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                                      "name": "guitar",
                                      "preserved": true,
                                      "floors": {
                                        "rms": 0.0005,
                                        "peak": 0.001,
                                        "totalEnergy": 0.000001
                                      },
                                      "baseline": {
                                        "rms": 0.0407,
                                        "peak": 0.2284,
                                        "totalEnergy": 0.000298
                                      },
                                      "candidate": {
                                        "rms": 0.0376,
                                        "peak": 0.2109,
                                        "totalEnergy": 0.000254
                                      }
                                    }
                                  ]
                                },
                                {
                                  "name": "vocalEntry",
                                  "label": "Vocal Entry",
                                  "requiredEnergyFloorsPreserved": true,
                                  "requiredEnergyFloors": [
                                    {
                                      "name": "rhythmSynth",
                                      "preserved": true,
                                      "floors": {
                                        "rms": 0.0005,
                                        "peak": 0.001,
                                        "totalEnergy": 0.000001
                                      },
                                      "baseline": {
                                        "rms": 0.0094,
                                        "peak": 0.024,
                                        "totalEnergy": 0.000015
                                      },
                                      "candidate": {
                                        "rms": 0.0094,
                                        "peak": 0.024,
                                        "totalEnergy": 0.000015
                                      }
                                    }
                                  ]
                                }
                              ]
                            }
                          },
                          {
                            "name": "no_clipping",
                            "ok": true,
                            "evidence": {
                              "clippingWindows": []
                            }
                          },
                          {
                            "name": "headroom_guardrail_preserved",
                            "ok": true,
                            "evidence": {
                              "minHeadroomDb": 0.5,
                              "sections": [
                                {
                                  "name": "introBed",
                                  "headroomDb": 2.34,
                                  "headroomOk": true
                                },
                                {
                                  "name": "vocalEntry",
                                  "headroomDb": 2.36,
                                  "headroomOk": true
                                }
                              ]
                            }
                          },
                          {
                            "name": "no_low_level_proof_window",
                            "ok": true,
                            "evidence": {
                              "lowLevelWindows": []
                            }
                          }
                        ],
                        "claimVerdict": {
                          "ok": true,
                          "status": "supported",
                          "classification": null,
                          "failedReceipts": []
                        },
                        "candidateRankingMetric": 62.2099,
                        "sectionHeuristicReviewMetric": 0.2405,
                        "sectionEnergyComparison": {
                          "version": "riddle-proof.audio-section-heuristics.v1",
                          "role": "metric_supported_review_order",
                          "sectionCount": 2,
                          "sections": [
                            {
                              "name": "introBed",
                              "label": "Intro Bed",
                              "baseline": {
                                "rms": 0.1115,
                                "peak": 0.7747,
                                "totalEnergy": 0.015805,
                                "loudnessStyleLufs": -19.75,
                                "headroomDb": 2.22,
                                "clipping": false,
                                "lowLevel": false
                              },
                              "candidate": {
                                "rms": 0.106,
                                "peak": 0.7639,
                                "totalEnergy": 0.015761,
                                "loudnessStyleLufs": -20.18,
                                "headroomDb": 2.34,
                                "clipping": false,
                                "lowLevel": false
                              },
                              "delta": {
                                "rms": -0.0055,
                                "peak": -0.0108,
                                "totalEnergy": -0.000044,
                                "loudnessStyleLufs": -0.43,
                                "headroomDb": 0.12
                              },
                              "trackedInstruments": [
                                {
                                  "name": "guitar",
                                  "baseline": {
                                    "rms": 0.0407,
                                    "peak": 0.2284,
                                    "totalEnergy": 0.000298
                                  },
                                  "candidate": {
                                    "rms": 0.0376,
                                    "peak": 0.2109,
                                    "totalEnergy": 0.000254
                                  },
                                  "delta": {
                                    "rms": -0.0031,
                                    "peak": -0.0175,
                                    "totalEnergy": -0.000044
                                  }
                                }
                              ],
                              "requiredEnergyFloors": [
                                {
                                  "name": "bass",
                                  "preserved": true,
                                  "floors": {
                                    "rms": 0.0005,
                                    "peak": 0.001,
                                    "totalEnergy": 0.000001
                                  },
                                  "baseline": {
                                    "rms": 0.0209,
                                    "peak": 0.0838,
                                    "totalEnergy": 0.000087
                                  },
                                  "candidate": {
                                    "rms": 0.0209,
                                    "peak": 0.0838,
                                    "totalEnergy": 0.000087
                                  }
                                },
                                {
                                  "name": "chord",
                                  "preserved": true,
                                  "floors": {
                                    "rms": 0.0005,
                                    "peak": 0.001,
                                    "totalEnergy": 0.000001
                                  },
                                  "baseline": {
                                    "rms": 0.0022,
                                    "peak": 0.0079,
                                    "totalEnergy": 0.000001
                                  },
                                  "candidate": {
                                    "rms": 0.0022,
                                    "peak": 0.0079,
                                    "totalEnergy": 0.000001
                                  }
                                },
                                {
                                  "name": "guitar",
                                  "preserved": true,
                                  "floors": {
                                    "rms": 0.0005,
                                    "peak": 0.001,
                                    "totalEnergy": 0.000001
                                  },
                                  "baseline": {
                                    "rms": 0.0407,
                                    "peak": 0.2284,
                                    "totalEnergy": 0.000298
                                  },
                                  "candidate": {
                                    "rms": 0.0376,
                                    "peak": 0.2109,
                                    "totalEnergy": 0.000254
                                  }
                                }
                              ],
                              "requiredEnergyFloorsPreserved": true,
                              "guardrails": {
                                "clipping": false,
                                "lowLevel": false,
                                "headroomDb": 2.34,
                                "minHeadroomDb": 0.5,
                                "headroomOk": true,
                                "violated": []
                              }
                            },
                            {
                              "name": "vocalEntry",
                              "label": "Vocal Entry",
                              "baseline": {
                                "rms": 0.2921,
                                "peak": 0.7726,
                                "totalEnergy": 0.015827,
                                "loudnessStyleLufs": -11.38,
                                "headroomDb": 2.24,
                                "clipping": false,
                                "lowLevel": false
                              },
                              "candidate": {
                                "rms": 0.2904,
                                "peak": 0.7619,
                                "totalEnergy": 0.015761,
                                "loudnessStyleLufs": -11.43,
                                "headroomDb": 2.36,
                                "clipping": false,
                                "lowLevel": false
                              },
                              "delta": {
                                "rms": -0.0017,
                                "peak": -0.0107,
                                "totalEnergy": -0.000066,
                                "loudnessStyleLufs": -0.05,
                                "headroomDb": 0.12
                              },
                              "trackedInstruments": [
                                {
                                  "name": "guitar",
                                  "baseline": {
                                    "rms": 0.0517,
                                    "peak": 0.2756,
                                    "totalEnergy": 0.000451
                                  },
                                  "candidate": {
                                    "rms": 0.0477,
                                    "peak": 0.2546,
                                    "totalEnergy": 0.000385
                                  },
                                  "delta": {
                                    "rms": -0.004,
                                    "peak": -0.021,
                                    "totalEnergy": -0.000066
                                  }
                                }
                              ],
                              "requiredEnergyFloors": [
                                {
                                  "name": "rhythmSynth",
                                  "preserved": true,
                                  "floors": {
                                    "rms": 0.0005,
                                    "peak": 0.001,
                                    "totalEnergy": 0.000001
                                  },
                                  "baseline": {
                                    "rms": 0.0094,
                                    "peak": 0.024,
                                    "totalEnergy": 0.000015
                                  },
                                  "candidate": {
                                    "rms": 0.0094,
                                    "peak": 0.024,
                                    "totalEnergy": 0.000015
                                  }
                                }
                              ],
                              "requiredEnergyFloorsPreserved": true,
                              "guardrails": {
                                "clipping": false,
                                "lowLevel": false,
                                "headroomDb": 2.36,
                                "minHeadroomDb": 0.5,
                                "headroomOk": true,
                                "violated": []
                              }
                            }
                          ],
                          "requiredSectionEnergyFloorsPreserved": true,
                          "guardrailsPreserved": true,
                          "violationCount": 0,
                          "averageAbsLoudnessDelta": 0.24,
                          "averageAbsEnergyDelta": 0.000055,
                          "floors": {
                            "requiredRmsFloor": 0.0005,
                            "requiredPeakFloor": 0.001,
                            "requiredTotalEnergyFloor": 0.000001,
                            "minHeadroomDb": 0.5
                          },
                          "trackedInstruments": [
                            "guitar"
                          ],
                          "boundary": "Loudness-style and section-energy metrics rank candidates for review; they do not prove subjective mix quality."
                        },
                        "summary": {
                          "ok": true,
                          "proofKind": "offline-audio-window-set",
                          "mixProfile": {
                            "id": "monkberry-moon-delight-eq-lane-mix-v7",
                            "label": "Monkberry humanized EQ mix",
                            "mixerLevels": {
                              "kick": 0.9,
                              "snare": 0.67,
                              "hat": 0.34,
                              "clap": 0.27,
                              "rim": 0.29,
                              "bass": 0.62,
                              "chord": 0.16,
                              "guitar": 0.65,
                              "rhythmSynth": 0.84
                            }
                          },
                          "windowCount": 2,
                          "passedCount": 2,
                          "findingCount": 0,
                          "status": "passed",
                          "windows": [
                            {
                              "name": "introBed",
                              "label": "Intro Bed",
                              "ok": true,
                              "status": "passed",
                              "classification": null,
                              "requiredActive": [
                                "bass",
                                "chord",
                                "guitar"
                              ],
                              "requiredInstruments": [
                                {
                                  "name": "bass",
                                  "active": true,
                                  "rms": 0.0209,
                                  "peak": 0.0838,
                                  "totalEnergy": 0.000087
                                },
                                {
                                  "name": "chord",
                                  "active": true,
                                  "rms": 0.0022,
                                  "peak": 0.0079,
                                  "totalEnergy": 0.000001
                                },
                                {
                                  "name": "guitar",
                                  "active": true,
                                  "rms": 0.0376,
                                  "peak": 0.2109,
                                  "totalEnergy": 0.000254
                                }
                              ],
                              "missingRequiredActive": [],
                              "mixHealth": {
                                "rms": 0.106,
                                "peak": 0.7639,
                                "clipping": false,
                                "headroomDb": 2.34,
                                "lowLevel": false
                              },
                              "objectivePenalty": {
                                "total": 71.3476,
                                "mix": {
                                  "slopeDbPerOct": -6.047,
                                  "slopePenalty": 0.6222,
                                  "rolloffPenalty": 2.868,
                                  "presenceRatio": 0.0451,
                                  "presencePenalty": 0.8398,
                                  "presenceFloorPenalty": 1.122,
                                  "mixPenaltyScale": 1
                                },
                                "mud": {
                                  "ratio": 0.2144,
                                  "penalty": 0
                                },
                                "top": [
                                  {
                                    "instrument": "kick",
                                    "score": 89.342,
                                    "skipped": false
                                  },
                                  {
                                    "instrument": "snare",
                                    "score": 57.978,
                                    "skipped": false
                                  },
                                  {
                                    "instrument": "hat",
                                    "score": 2.228,
                                    "skipped": false
                                  }
                                ],
                                "eqPenalty": 3.3732
                              },
                              "score": {
                                "total": 71.3476,
                                "mix": {
                                  "slopeDbPerOct": -6.047,
                                  "slopePenalty": 0.6222,
                                  "rolloffPenalty": 2.868,
                                  "presenceRatio": 0.0451,
                                  "presencePenalty": 0.8398,
                                  "presenceFloorPenalty": 1.122,
                                  "mixPenaltyScale": 1
                                },
                                "mud": {
                                  "ratio": 0.2144,
                                  "penalty": 0
                                },
                                "top": [
                                  {
                                    "instrument": "kick",
                                    "score": 89.342,
                                    "skipped": false
                                  },
                                  {
                                    "instrument": "snare",
                                    "score": 57.978,
                                    "skipped": false
                                  },
                                  {
                                    "instrument": "hat",
                                    "score": 2.228,
                                    "skipped": false
                                  }
                                ],
                                "eqPenalty": 3.3732
                              },
                              "activeInstrumentCount": 6,
                              "activeInstruments": [
                                {
                                  "name": "kick",
                                  "rms": 0.1772,
                                  "peak": 0.8076,
                                  "totalEnergy": 0.011746
                                },
                                {
                                  "name": "snare",
                                  "rms": 0.1014,
                                  "peak": 0.5843,
                                  "totalEnergy": 0.00364
                                },
                                {
                                  "name": "hat",
                                  "rms": 0.0113,
                                  "peak": 0.124,
                                  "totalEnergy": 0.000033
                                },
                                {
                                  "name": "bass",
                                  "rms": 0.0209,
                                  "peak": 0.0838,
                                  "totalEnergy": 0.000087
                                },
                                {
                                  "name": "chord",
                                  "rms": 0.0022,
                                  "peak": 0.0079,
                                  "totalEnergy": 0.000001
                                },
                                {
                                  "name": "guitar",
                                  "rms": 0.0376,
                                  "peak": 0.2109,
                                  "totalEnergy": 0.000254
                                }
                              ],
                              "error": null
                            },
                            {
                              "name": "vocalEntry",
                              "label": "Vocal Entry",
                              "ok": true,
                              "status": "passed",
                              "classification": null,
                              "requiredActive": [
                                "rhythmSynth"
                              ],
                              "requiredInstruments": [
                                {
                                  "name": "rhythmSynth",
                                  "active": true,
                                  "rms": 0.0094,
                                  "peak": 0.024,
                                  "totalEnergy": 0.000015
                                }
                              ],
                              "missingRequiredActive": [],
                              "mixHealth": {
                                "rms": 0.2904,
                                "peak": 0.7619,
                                "clipping": false,
                                "headroomDb": 2.36,
                                "lowLevel": false
                              },
                              "objectivePenalty": {
                                "total": 52.5912,
                                "mix": {
                                  "slopeDbPerOct": -6.853,
                                  "slopePenalty": 2.135,
                                  "rolloffPenalty": 3.1713,
                                  "presenceRatio": 0.0386,
                                  "presencePenalty": 0.9117,
                                  "presenceFloorPenalty": 1.3252,
                                  "mixPenaltyScale": 1
                                },
                                "mud": {
                                  "ratio": 0.2985,
                                  "penalty": 0
                                },
                                "top": [
                                  {
                                    "instrument": "snare",
                                    "score": 40.261,
                                    "skipped": false
                                  },
                                  {
                                    "instrument": "kick",
                                    "score": 17.84,
                                    "skipped": false
                                  },
                                  {
                                    "instrument": "hat",
                                    "score": 2.227,
                                    "skipped": false
                                  }
                                ],
                                "eqPenalty": 3.3732
                              },
                              "score": {
                                "total": 52.5912,
                                "mix": {
                                  "slopeDbPerOct": -6.853,
                                  "slopePenalty": 2.135,
                                  "rolloffPenalty": 3.1713,
                                  "presenceRatio": 0.0386,
                                  "presencePenalty": 0.9117,
                                  "presenceFloorPenalty": 1.3252,
                                  "mixPenaltyScale": 1
                                },
                                "mud": {
                                  "ratio": 0.2985,
                                  "penalty": 0
                                },
                                "top": [
                                  {
                                    "instrument": "snare",
                                    "score": 40.261,
                                    "skipped": false
                                  },
                                  {
                                    "instrument": "kick",
                                    "score": 17.84,
                                    "skipped": false
                                  },
                                  {
                                    "instrument": "hat",
                                    "score": 2.227,
                                    "skipped": false
                                  }
                                ],
                                "eqPenalty": 3.3732
                              },
                              "activeInstrumentCount": 7,
                              "activeInstruments": [
                                {
                                  "name": "kick",
                                  "rms": 0.1638,
                                  "peak": 0.8076,
                                  "totalEnergy": 0.010533
                                },
                                {
                                  "name": "snare",
                                  "rms": 0.1085,
                                  "peak": 0.6418,
                                  "totalEnergy": 0.00468
                                },
                                {
                                  "name": "hat",
                                  "rms": 0.0112,
                                  "peak": 0.1242,
                                  "totalEnergy": 0.000033
                                },
                                {
                                  "name": "bass",
                                  "rms": 0.0264,
                                  "peak": 0.1086,
                                  "totalEnergy": 0.000114
                                },
                                {
                                  "name": "chord",
                                  "rms": 0.002,
                                  "peak": 0.0079,
                                  "totalEnergy": 0.000001
                                },
                                {
                                  "name": "guitar",
                                  "rms": 0.0477,
                                  "peak": 0.2546,
                                  "totalEnergy": 0.000385
                                },
                                {
                                  "name": "rhythmSynth",
                                  "rms": 0.0094,
                                  "peak": 0.024,
                                  "totalEnergy": 0.000015
                                }
                              ],
                              "error": null
                            }
                          ],
                          "findings": []
                        }
                      },
                      {
                        "index": 2,
                        "candidate": {
                          "track": "guitar",
                          "value": 0.55,
                          "label": "guitar -0.10",
                          "claimCandidate": {
                            "id": "set-guitar-level-0.65-to-0.55",
                            "kind": "change_claim_candidate",
                            "domain": "audio_mix",
                            "strategy": "mix-level-search",
                            "evidenceRolePattern": "interaction_snapshots",
                            "claim": "Setting guitar level from 0.65 to 0.55 changes rendered guitar metrics while preserving Neon proof invariants.",
                            "action": {
                              "type": "set_mixer_level",
                              "track": "guitar",
                              "from": 0.65,
                              "to": 0.55,
                              "delta": -0.1
                            },
                            "expectedReceipts": [
                              "mixer edit accepted",
                              "candidate track matches requested intent",
                              "candidate direction matches requested intent",
                              "contract mixer level reflects requested value",
                              "rendered target track metrics changed",
                              "required instruments remain active",
                              "required section energy floors remain active",
                              "no clipping",
                              "headroom guardrail is preserved",
                              "no low-level proof window"
                            ],
                            "rankingHint": {
                              "metric": "objective_mix_health_penalty",
                              "lowerIsBetter": true,
                              "role": "review_order_only"
                            }
                          }
                        },
                        "claimCandidate": {
                          "id": "set-guitar-level-0.65-to-0.55",
                          "kind": "change_claim_candidate",
                          "domain": "audio_mix",
                          "strategy": "mix-level-search",
                          "evidenceRolePattern": "interaction_snapshots",
                          "claim": "Setting guitar level from 0.65 to 0.55 changes rendered guitar metrics while preserving Neon proof invariants.",
                          "action": {
                            "type": "set_mixer_level",
                            "track": "guitar",
                            "from": 0.65,
                            "to": 0.55,
                            "delta": -0.1
                          },
                          "expectedReceipts": [
                            "mixer edit accepted",
                            "candidate track matches requested intent",
                            "candidate direction matches requested intent",
                            "contract mixer level reflects requested value",
                            "rendered target track metrics changed",
                            "required instruments remain active",
                            "required section energy floors remain active",
                            "no clipping",
                            "headroom guardrail is preserved",
                            "no low-level proof window"
                          ],
                          "rankingHint": {
                            "metric": "objective_mix_health_penalty",
                            "lowerIsBetter": true,
                            "role": "review_order_only"
                          }
                        },
                        "baselineRestoreReceipts": [
                          {
                            "ok": true,
                            "proofKind": "neon-mixer-edit",
                            "track": "guitar",
                            "before": 0.6,
                            "value": 0.65,
                            "levels": null
                          }
                        ],
                        "edit": {
                          "ok": true,
                          "proofKind": "neon-mixer-edit",
                          "track": "guitar",
                          "before": 0.65,
                          "value": 0.55,
                          "levels": null
                        },
                        "claimReceipts": [
                          {
                            "name": "mixer_edit_accepted",
                            "ok": true,
                            "evidence": {
                              "proofKind": "neon-mixer-edit",
                              "track": "guitar",
                              "error": null
                            }
                          },
                          {
                            "name": "candidate_track_matches_requested_intent",
                            "ok": true,
                            "evidence": {
                              "requestedTargetTracks": [
                                "guitar"
                              ],
                              "candidateTrack": "guitar",
                              "source": "explicit_args"
                            }
                          },
                          {
                            "name": "candidate_direction_matches_requested_intent",
                            "ok": true,
                            "evidence": {
                              "requestedDirection": "down",
                              "candidateDelta": -0.1,
                              "source": "explicit_args"
                            }
                          },
                          {
                            "name": "contract_mixer_level_reflects_action",
                            "ok": true,
                            "evidence": {
                              "track": "guitar",
                              "expectedLevel": 0.55,
                              "observedLevel": 0.55
                            }
                          },
                          {
                            "name": "rendered_target_metric_changed",
                            "ok": true,
                            "evidence": {
                              "track": "guitar",
                              "moved": true,
                              "before": {
                                "track": "guitar",
                                "sampleCount": 2,
                                "activeCount": 0,
                                "rms": 0.0462,
                                "peak": 0.252,
                                "totalEnergy": 0.000374
                              },
                              "after": {
                                "track": "guitar",
                                "sampleCount": 2,
                                "activeCount": 0,
                                "rms": 0.0391,
                                "peak": 0.21335,
                                "totalEnergy": 0.000268
                              },
                              "deltas": {
                                "rms": -0.0071,
                                "peak": -0.03865,
                                "totalEnergy": -0.000106
                              },
                              "thresholds": {
                                "rms": 0.00001,
                                "peak": 0.00001,
                                "totalEnergy": 0.000001
                              }
                            }
                          },
                          {
                            "name": "required_instruments_preserved",
                            "ok": true,
                            "evidence": {
                              "windowCount": 2,
                              "findingCount": 0,
                              "findings": []
                            }
                          },
                          {
                            "name": "section_energy_floors_preserved",
                            "ok": true,
                            "evidence": {
                              "sectionCount": 2,
                              "requiredSectionEnergyFloorsPreserved": true,
                              "sections": [
                                {
                                  "name": "introBed",
                                  "label": "Intro Bed",
                                  "requiredEnergyFloorsPreserved": true,
                                  "requiredEnergyFloors": [
                                    {
                                      "name": "bass",
                                      "preserved": true,
                                      "floors": {
                                        "rms": 0.0005,
                                        "peak": 0.001,
                                        "totalEnergy": 0.000001
                                      },
                                      "baseline": {
                                        "rms": 0.0209,
                                        "peak": 0.0838,
                                        "totalEnergy": 0.000087
                                      },
                                      "candidate": {
                                        "rms": 0.0209,
                                        "peak": 0.0838,
                                        "totalEnergy": 0.000087
                                      }
                                    },
                                    {
                                      "name": "chord",
                                      "preserved": true,
                                      "floors": {
                                        "rms": 0.0005,
                                        "peak": 0.001,
                                        "totalEnergy": 0.000001
                                      },
                                      "baseline": {
                                        "rms": 0.0022,
                                        "peak": 0.0079,
                                        "totalEnergy": 0.000001
                                      },
                                      "candidate": {
                                        "rms": 0.0022,
                                        "peak": 0.0079,
                                        "totalEnergy": 0.000001
                                      }
                                    },
                                    {
                                      "name": "guitar",
                                      "preserved": true,
                                      "floors": {
                                        "rms": 0.0005,
                                        "peak": 0.001,
                                        "totalEnergy": 0.000001
                                      },
                                      "baseline": {
                                        "rms": 0.0407,
                                        "peak": 0.2284,
                                        "totalEnergy": 0.000298
                                      },
                                      "candidate": {
                                        "rms": 0.0345,
                                        "peak": 0.1933,
                                        "totalEnergy": 0.000214
                                      }
                                    }
                                  ]
                                },
                                {
                                  "name": "vocalEntry",
                                  "label": "Vocal Entry",
                                  "requiredEnergyFloorsPreserved": true,
                                  "requiredEnergyFloors": [
                                    {
                                      "name": "rhythmSynth",
                                      "preserved": true,
                                      "floors": {
                                        "rms": 0.0005,
                                        "peak": 0.001,
                                        "totalEnergy": 0.000001
                                      },
                                      "baseline": {
                                        "rms": 0.0094,
                                        "peak": 0.024,
                                        "totalEnergy": 0.000015
                                      },
                                      "candidate": {
                                        "rms": 0.0094,
                                        "peak": 0.024,
                                        "totalEnergy": 0.000015
                                      }
                                    }
                                  ]
                                }
                              ]
                            }
                          },
                          {
                            "name": "no_clipping",
                            "ok": true,
                            "evidence": {
                              "clippingWindows": []
                            }
                          },
                          {
                            "name": "headroom_guardrail_preserved",
                            "ok": true,
                            "evidence": {
                              "minHeadroomDb": 0.5,
                              "sections": [
                                {
                                  "name": "introBed",
                                  "headroomDb": 2.47,
                                  "headroomOk": true
                                },
                                {
                                  "name": "vocalEntry",
                                  "headroomDb": 2.49,
                                  "headroomOk": true
                                }
                              ]
                            }
                          },
                          {
                            "name": "no_low_level_proof_window",
                            "ok": true,
                            "evidence": {
                              "lowLevelWindows": []
                            }
                          }
                        ],
                        "claimVerdict": {
                          "ok": true,
                          "status": "supported",
                          "classification": null,
                          "failedReceipts": []
                        },
                        "candidateRankingMetric": 62.73524999999999,
                        "sectionHeuristicReviewMetric": 0.5111,
                        "sectionEnergyComparison": {
                          "version": "riddle-proof.audio-section-heuristics.v1",
                          "role": "metric_supported_review_order",
                          "sectionCount": 2,
                          "sections": [
                            {
                              "name": "introBed",
                              "label": "Intro Bed",
                              "baseline": {
                                "rms": 0.1115,
                                "peak": 0.7747,
                                "totalEnergy": 0.015805,
                                "loudnessStyleLufs": -19.75,
                                "headroomDb": 2.22,
                                "clipping": false,
                                "lowLevel": false
                              },
                              "candidate": {
                                "rms": 0.1004,
                                "peak": 0.7527,
                                "totalEnergy": 0.015721,
                                "loudnessStyleLufs": -20.66,
                                "headroomDb": 2.47,
                                "clipping": false,
                                "lowLevel": false
                              },
                              "delta": {
                                "rms": -0.0111,
                                "peak": -0.022,
                                "totalEnergy": -0.000084,
                                "loudnessStyleLufs": -0.91,
                                "headroomDb": 0.25
                              },
                              "trackedInstruments": [
                                {
                                  "name": "guitar",
                                  "baseline": {
                                    "rms": 0.0407,
                                    "peak": 0.2284,
                                    "totalEnergy": 0.000298
                                  },
                                  "candidate": {
                                    "rms": 0.0345,
                                    "peak": 0.1933,
                                    "totalEnergy": 0.000214
                                  },
                                  "delta": {
                                    "rms": -0.0062,
                                    "peak": -0.0351,
                                    "totalEnergy": -0.000084
                                  }
                                }
                              ],
                              "requiredEnergyFloors": [
                                {
                                  "name": "bass",
                                  "preserved": true,
                                  "floors": {
                                    "rms": 0.0005,
                                    "peak": 0.001,
                                    "totalEnergy": 0.000001
                                  },
                                  "baseline": {
                                    "rms": 0.0209,
                                    "peak": 0.0838,
                                    "totalEnergy": 0.000087
                                  },
                                  "candidate": {
                                    "rms": 0.0209,
                                    "peak": 0.0838,
                                    "totalEnergy": 0.000087
                                  }
                                },
                                {
                                  "name": "chord",
                                  "preserved": true,
                                  "floors": {
                                    "rms": 0.0005,
                                    "peak": 0.001,
                                    "totalEnergy": 0.000001
                                  },
                                  "baseline": {
                                    "rms": 0.0022,
                                    "peak": 0.0079,
                                    "totalEnergy": 0.000001
                                  },
                                  "candidate": {
                                    "rms": 0.0022,
                                    "peak": 0.0079,
                                    "totalEnergy": 0.000001
                                  }
                                },
                                {
                                  "name": "guitar",
                                  "preserved": true,
                                  "floors": {
                                    "rms": 0.0005,
                                    "peak": 0.001,
                                    "totalEnergy": 0.000001
                                  },
                                  "baseline": {
                                    "rms": 0.0407,
                                    "peak": 0.2284,
                                    "totalEnergy": 0.000298
                                  },
                                  "candidate": {
                                    "rms": 0.0345,
                                    "peak": 0.1933,
                                    "totalEnergy": 0.000214
                                  }
                                }
                              ],
                              "requiredEnergyFloorsPreserved": true,
                              "guardrails": {
                                "clipping": false,
                                "lowLevel": false,
                                "headroomDb": 2.47,
                                "minHeadroomDb": 0.5,
                                "headroomOk": true,
                                "violated": []
                              }
                            },
                            {
                              "name": "vocalEntry",
                              "label": "Vocal Entry",
                              "baseline": {
                                "rms": 0.2921,
                                "peak": 0.7726,
                                "totalEnergy": 0.015827,
                                "loudnessStyleLufs": -11.38,
                                "headroomDb": 2.24,
                                "clipping": false,
                                "lowLevel": false
                              },
                              "candidate": {
                                "rms": 0.2888,
                                "peak": 0.7508,
                                "totalEnergy": 0.015699,
                                "loudnessStyleLufs": -11.48,
                                "headroomDb": 2.49,
                                "clipping": false,
                                "lowLevel": false
                              },
                              "delta": {
                                "rms": -0.0033,
                                "peak": -0.0218,
                                "totalEnergy": -0.000128,
                                "loudnessStyleLufs": -0.1,
                                "headroomDb": 0.25
                              },
                              "trackedInstruments": [
                                {
                                  "name": "guitar",
                                  "baseline": {
                                    "rms": 0.0517,
                                    "peak": 0.2756,
                                    "totalEnergy": 0.000451
                                  },
                                  "candidate": {
                                    "rms": 0.0437,
                                    "peak": 0.2334,
                                    "totalEnergy": 0.000323
                                  },
                                  "delta": {
                                    "rms": -0.008,
                                    "peak": -0.0422,
                                    "totalEnergy": -0.000128
                                  }
                                }
                              ],
                              "requiredEnergyFloors": [
                                {
                                  "name": "rhythmSynth",
                                  "preserved": true,
                                  "floors": {
                                    "rms": 0.0005,
                                    "peak": 0.001,
                                    "totalEnergy": 0.000001
                                  },
                                  "baseline": {
                                    "rms": 0.0094,
                                    "peak": 0.024,
                                    "totalEnergy": 0.000015
                                  },
                                  "candidate": {
                                    "rms": 0.0094,
                                    "peak": 0.024,
                                    "totalEnergy": 0.000015
                                  }
                                }
                              ],
                              "requiredEnergyFloorsPreserved": true,
                              "guardrails": {
                                "clipping": false,
                                "lowLevel": false,
                                "headroomDb": 2.49,
                                "minHeadroomDb": 0.5,
                                "headroomOk": true,
                                "violated": []
                              }
                            }
                          ],
                          "requiredSectionEnergyFloorsPreserved": true,
                          "guardrailsPreserved": true,
                          "violationCount": 0,
                          "averageAbsLoudnessDelta": 0.51,
                          "averageAbsEnergyDelta": 0.000106,
                          "floors": {
                            "requiredRmsFloor": 0.0005,
                            "requiredPeakFloor": 0.001,
                            "requiredTotalEnergyFloor": 0.000001,
                            "minHeadroomDb": 0.5
                          },
                          "trackedInstruments": [
                            "guitar"
                          ],
                          "boundary": "Loudness-style and section-energy metrics rank candidates for review; they do not prove subjective mix quality."
                        },
                        "summary": {
                          "ok": true,
                          "proofKind": "offline-audio-window-set",
                          "mixProfile": {
                            "id": "monkberry-moon-delight-eq-lane-mix-v7",
                            "label": "Monkberry humanized EQ mix",
                            "mixerLevels": {
                              "kick": 0.9,
                              "snare": 0.67,
                              "hat": 0.34,
                              "clap": 0.27,
                              "rim": 0.29,
                              "bass": 0.62,
                              "chord": 0.16,
                              "guitar": 0.65,
                              "rhythmSynth": 0.84
                            }
                          },
                          "windowCount": 2,
                          "passedCount": 2,
                          "findingCount": 0,
                          "status": "passed",
                          "windows": [
                            {
                              "name": "introBed",
                              "label": "Intro Bed",
                              "ok": true,
                              "status": "passed",
                              "classification": null,
                              "requiredActive": [
                                "bass",
                                "chord",
                                "guitar"
                              ],
                              "requiredInstruments": [
                                {
                                  "name": "bass",
                                  "active": true,
                                  "rms": 0.0209,
                                  "peak": 0.0838,
                                  "totalEnergy": 0.000087
                                },
                                {
                                  "name": "chord",
                                  "active": true,
                                  "rms": 0.0022,
                                  "peak": 0.0079,
                                  "totalEnergy": 0.000001
                                },
                                {
                                  "name": "guitar",
                                  "active": true,
                                  "rms": 0.0345,
                                  "peak": 0.1933,
                                  "totalEnergy": 0.000214
                                }
                              ],
                              "missingRequiredActive": [],
                              "mixHealth": {
                                "rms": 0.1004,
                                "peak": 0.7527,
                                "clipping": false,
                                "headroomDb": 2.47,
                                "lowLevel": false
                              },
                              "objectivePenalty": {
                                "total": 71.6643,
                                "mix": {
                                  "slopeDbPerOct": -6.095,
                                  "slopePenalty": 0.688,
                                  "rolloffPenalty": 2.8906,
                                  "presenceRatio": 0.0452,
                                  "presencePenalty": 0.8387,
                                  "presenceFloorPenalty": 1.119,
                                  "mixPenaltyScale": 1
                                },
                                "mud": {
                                  "ratio": 0.2132,
                                  "penalty": 0
                                },
                                "top": [
                                  {
                                    "instrument": "kick",
                                    "score": 89.342,
                                    "skipped": false
                                  },
                                  {
                                    "instrument": "snare",
                                    "score": 57.978,
                                    "skipped": false
                                  },
                                  {
                                    "instrument": "hat",
                                    "score": 2.228,
                                    "skipped": false
                                  }
                                ],
                                "eqPenalty": 3.3732
                              },
                              "score": {
                                "total": 71.6643,
                                "mix": {
                                  "slopeDbPerOct": -6.095,
                                  "slopePenalty": 0.688,
                                  "rolloffPenalty": 2.8906,
                                  "presenceRatio": 0.0452,
                                  "presencePenalty": 0.8387,
                                  "presenceFloorPenalty": 1.119,
                                  "mixPenaltyScale": 1
                                },
                                "mud": {
                                  "ratio": 0.2132,
                                  "penalty": 0
                                },
                                "top": [
                                  {
                                    "instrument": "kick",
                                    "score": 89.342,
                                    "skipped": false
                                  },
                                  {
                                    "instrument": "snare",
                                    "score": 57.978,
                                    "skipped": false
                                  },
                                  {
                                    "instrument": "hat",
                                    "score": 2.228,
                                    "skipped": false
                                  }
                                ],
                                "eqPenalty": 3.3732
                              },
                              "activeInstrumentCount": 6,
                              "activeInstruments": [
                                {
                                  "name": "kick",
                                  "rms": 0.1772,
                                  "peak": 0.8076,
                                  "totalEnergy": 0.011746
                                },
                                {
                                  "name": "snare",
                                  "rms": 0.1014,
                                  "peak": 0.5843,
                                  "totalEnergy": 0.00364
                                },
                                {
                                  "name": "hat",
                                  "rms": 0.0113,
                                  "peak": 0.124,
                                  "totalEnergy": 0.000033
                                },
                                {
                                  "name": "bass",
                                  "rms": 0.0209,
                                  "peak": 0.0838,
                                  "totalEnergy": 0.000087
                                },
                                {
                                  "name": "chord",
                                  "rms": 0.0022,
                                  "peak": 0.0079,
                                  "totalEnergy": 0.000001
                                },
                                {
                                  "name": "guitar",
                                  "rms": 0.0345,
                                  "peak": 0.1933,
                                  "totalEnergy": 0.000214
                                }
                              ],
                              "error": null
                            },
                            {
                              "name": "vocalEntry",
                              "label": "Vocal Entry",
                              "ok": true,
                              "status": "passed",
                              "classification": null,
                              "requiredActive": [
                                "rhythmSynth"
                              ],
                              "requiredInstruments": [
                                {
                                  "name": "rhythmSynth",
                                  "active": true,
                                  "rms": 0.0094,
                                  "peak": 0.024,
                                  "totalEnergy": 0.000015
                                }
                              ],
                              "missingRequiredActive": [],
                              "mixHealth": {
                                "rms": 0.2888,
                                "peak": 0.7508,
                                "clipping": false,
                                "headroomDb": 2.49,
                                "lowLevel": false
                              },
                              "objectivePenalty": {
                                "total": 52.784,
                                "mix": {
                                  "slopeDbPerOct": -6.874,
                                  "slopePenalty": 2.1861,
                                  "rolloffPenalty": 3.1735,
                                  "presenceRatio": 0.0387,
                                  "presencePenalty": 0.9106,
                                  "presenceFloorPenalty": 1.3219,
                                  "mixPenaltyScale": 1
                                },
                                "mud": {
                                  "ratio": 0.2963,
                                  "penalty": 0
                                },
                                "top": [
                                  {
                                    "instrument": "snare",
                                    "score": 40.261,
                                    "skipped": false
                                  },
                                  {
                                    "instrument": "kick",
                                    "score": 17.84,
                                    "skipped": false
                                  },
                                  {
                                    "instrument": "hat",
                                    "score": 2.227,
                                    "skipped": false
                                  }
                                ],
                                "eqPenalty": 3.3732
                              },
                              "score": {
                                "total": 52.784,
                                "mix": {
                                  "slopeDbPerOct": -6.874,
                                  "slopePenalty": 2.1861,
                                  "rolloffPenalty": 3.1735,
                                  "presenceRatio": 0.0387,
                                  "presencePenalty": 0.9106,
                                  "presenceFloorPenalty": 1.3219,
                                  "mixPenaltyScale": 1
                                },
                                "mud": {
                                  "ratio": 0.2963,
                                  "penalty": 0
                                },
                                "top": [
                                  {
                                    "instrument": "snare",
                                    "score": 40.261,
                                    "skipped": false
                                  },
                                  {
                                    "instrument": "kick",
                                    "score": 17.84,
                                    "skipped": false
                                  },
                                  {
                                    "instrument": "hat",
                                    "score": 2.227,
                                    "skipped": false
                                  }
                                ],
                                "eqPenalty": 3.3732
                              },
                              "activeInstrumentCount": 7,
                              "activeInstruments": [
                                {
                                  "name": "kick",
                                  "rms": 0.1638,
                                  "peak": 0.8076,
                                  "totalEnergy": 0.010533
                                },
                                {
                                  "name": "snare",
                                  "rms": 0.1085,
                                  "peak": 0.6418,
                                  "totalEnergy": 0.00468
                                },
                                {
                                  "name": "hat",
                                  "rms": 0.0112,
                                  "peak": 0.1242,
                                  "totalEnergy": 0.000033
                                },
                                {
                                  "name": "bass",
                                  "rms": 0.0264,
                                  "peak": 0.1086,
                                  "totalEnergy": 0.000114
                                },
                                {
                                  "name": "chord",
                                  "rms": 0.002,
                                  "peak": 0.0079,
                                  "totalEnergy": 0.000001
                                },
                                {
                                  "name": "guitar",
                                  "rms": 0.0437,
                                  "peak": 0.2334,
                                  "totalEnergy": 0.000323
                                },
                                {
                                  "name": "rhythmSynth",
                                  "rms": 0.0094,
                                  "peak": 0.024,
                                  "totalEnergy": 0.000015
                                }
                              ],
                              "error": null
                            }
                          ],
                          "findings": []
                        }
                      },
                      {
                        "index": 3,
                        "candidate": {
                          "track": "guitar",
                          "value": 0.47000000000000003,
                          "label": "guitar -0.18",
                          "claimCandidate": {
                            "id": "set-guitar-level-0.65-to-0.47",
                            "kind": "change_claim_candidate",
                            "domain": "audio_mix",
                            "strategy": "mix-level-search",
                            "evidenceRolePattern": "interaction_snapshots",
                            "claim": "Setting guitar level from 0.65 to 0.47 changes rendered guitar metrics while preserving Neon proof invariants.",
                            "action": {
                              "type": "set_mixer_level",
                              "track": "guitar",
                              "from": 0.65,
                              "to": 0.47000000000000003,
                              "delta": -0.18
                            },
                            "expectedReceipts": [
                              "mixer edit accepted",
                              "candidate track matches requested intent",
                              "candidate direction matches requested intent",
                              "contract mixer level reflects requested value",
                              "rendered target track metrics changed",
                              "required instruments remain active",
                              "required section energy floors remain active",
                              "no clipping",
                              "headroom guardrail is preserved",
                              "no low-level proof window"
                            ],
                            "rankingHint": {
                              "metric": "objective_mix_health_penalty",
                              "lowerIsBetter": true,
                              "role": "review_order_only"
                            }
                          }
                        },
                        "claimCandidate": {
                          "id": "set-guitar-level-0.65-to-0.47",
                          "kind": "change_claim_candidate",
                          "domain": "audio_mix",
                          "strategy": "mix-level-search",
                          "evidenceRolePattern": "interaction_snapshots",
                          "claim": "Setting guitar level from 0.65 to 0.47 changes rendered guitar metrics while preserving Neon proof invariants.",
                          "action": {
                            "type": "set_mixer_level",
                            "track": "guitar",
                            "from": 0.65,
                            "to": 0.47000000000000003,
                            "delta": -0.18
                          },
                          "expectedReceipts": [
                            "mixer edit accepted",
                            "candidate track matches requested intent",
                            "candidate direction matches requested intent",
                            "contract mixer level reflects requested value",
                            "rendered target track metrics changed",
                            "required instruments remain active",
                            "required section energy floors remain active",
                            "no clipping",
                            "headroom guardrail is preserved",
                            "no low-level proof window"
                          ],
                          "rankingHint": {
                            "metric": "objective_mix_health_penalty",
                            "lowerIsBetter": true,
                            "role": "review_order_only"
                          }
                        },
                        "baselineRestoreReceipts": [
                          {
                            "ok": true,
                            "proofKind": "neon-mixer-edit",
                            "track": "guitar",
                            "before": 0.55,
                            "value": 0.65,
                            "levels": null
                          }
                        ],
                        "edit": {
                          "ok": true,
                          "proofKind": "neon-mixer-edit",
                          "track": "guitar",
                          "before": 0.65,
                          "value": 0.47000000000000003,
                          "levels": null
                        },
                        "claimReceipts": [
                          {
                            "name": "mixer_edit_accepted",
                            "ok": true,
                            "evidence": {
                              "proofKind": "neon-mixer-edit",
                              "track": "guitar",
                              "error": null
                            }
                          },
                          {
                            "name": "candidate_track_matches_requested_intent",
                            "ok": true,
                            "evidence": {
                              "requestedTargetTracks": [
                                "guitar"
                              ],
                              "candidateTrack": "guitar",
                              "source": "explicit_args"
                            }
                          },
                          {
                            "name": "candidate_direction_matches_requested_intent",
                            "ok": true,
                            "evidence": {
                              "requestedDirection": "down",
                              "candidateDelta": -0.18,
                              "source": "explicit_args"
                            }
                          },
                          {
                            "name": "contract_mixer_level_reflects_action",
                            "ok": true,
                            "evidence": {
                              "track": "guitar",
                              "expectedLevel": 0.47000000000000003,
                              "observedLevel": 0.47
                            }
                          },
                          {
                            "name": "rendered_target_metric_changed",
                            "ok": true,
                            "evidence": {
                              "track": "guitar",
                              "moved": true,
                              "before": {
                                "track": "guitar",
                                "sampleCount": 2,
                                "activeCount": 0,
                                "rms": 0.0462,
                                "peak": 0.252,
                                "totalEnergy": 0.000374
                              },
                              "after": {
                                "track": "guitar",
                                "sampleCount": 2,
                                "activeCount": 0,
                                "rms": 0.03345,
                                "peak": 0.1823,
                                "totalEnergy": 0.000196
                              },
                              "deltas": {
                                "rms": -0.01275,
                                "peak": -0.0697,
                                "totalEnergy": -0.000178
                              },
                              "thresholds": {
                                "rms": 0.00001,
                                "peak": 0.00001,
                                "totalEnergy": 0.000001
                              }
                            }
                          },
                          {
                            "name": "required_instruments_preserved",
                            "ok": true,
                            "evidence": {
                              "windowCount": 2,
                              "findingCount": 0,
                              "findings": []
                            }
                          },
                          {
                            "name": "section_energy_floors_preserved",
                            "ok": true,
                            "evidence": {
                              "sectionCount": 2,
                              "requiredSectionEnergyFloorsPreserved": true,
                              "sections": [
                                {
                                  "name": "introBed",
                                  "label": "Intro Bed",
                                  "requiredEnergyFloorsPreserved": true,
                                  "requiredEnergyFloors": [
                                    {
                                      "name": "bass",
                                      "preserved": true,
                                      "floors": {
                                        "rms": 0.0005,
                                        "peak": 0.001,
                                        "totalEnergy": 0.000001
                                      },
                                      "baseline": {
                                        "rms": 0.0209,
                                        "peak": 0.0838,
                                        "totalEnergy": 0.000087
                                      },
                                      "candidate": {
                                        "rms": 0.0209,
                                        "peak": 0.0838,
                                        "totalEnergy": 0.000087
                                      }
                                    },
                                    {
                                      "name": "chord",
                                      "preserved": true,
                                      "floors": {
                                        "rms": 0.0005,
                                        "peak": 0.001,
                                        "totalEnergy": 0.000001
                                      },
                                      "baseline": {
                                        "rms": 0.0022,
                                        "peak": 0.0079,
                                        "totalEnergy": 0.000001
                                      },
                                      "candidate": {
                                        "rms": 0.0022,
                                        "peak": 0.0079,
                                        "totalEnergy": 0.000001
                                      }
                                    },
                                    {
                                      "name": "guitar",
                                      "preserved": true,
                                      "floors": {
                                        "rms": 0.0005,
                                        "peak": 0.001,
                                        "totalEnergy": 0.000001
                                      },
                                      "baseline": {
                                        "rms": 0.0407,
                                        "peak": 0.2284,
                                        "totalEnergy": 0.000298
                                      },
                                      "candidate": {
                                        "rms": 0.0295,
                                        "peak": 0.1652,
                                        "totalEnergy": 0.000156
                                      }
                                    }
                                  ]
                                },
                                {
                                  "name": "vocalEntry",
                                  "label": "Vocal Entry",
                                  "requiredEnergyFloorsPreserved": true,
                                  "requiredEnergyFloors": [
                                    {
                                      "name": "rhythmSynth",
                                      "preserved": true,
                                      "floors": {
                                        "rms": 0.0005,
                                        "peak": 0.001,
                                        "totalEnergy": 0.000001
                                      },
                                      "baseline": {
                                        "rms": 0.0094,
                                        "peak": 0.024,
                                        "totalEnergy": 0.000015
                                      },
                                      "candidate": {
                                        "rms": 0.0094,
                                        "peak": 0.024,
                                        "totalEnergy": 0.000015
                                      }
                                    }
                                  ]
                                }
                              ]
                            }
                          },
                          {
                            "name": "no_clipping",
                            "ok": true,
                            "evidence": {
                              "clippingWindows": []
                            }
                          },
                          {
                            "name": "headroom_guardrail_preserved",
                            "ok": true,
                            "evidence": {
                              "minHeadroomDb": 0.5,
                              "sections": [
                                {
                                  "name": "introBed",
                                  "headroomDb": 2.69,
                                  "headroomOk": true
                                },
                                {
                                  "name": "vocalEntry",
                                  "headroomDb": 2.65,
                                  "headroomOk": true
                                }
                              ]
                            }
                          },
                          {
                            "name": "no_low_level_proof_window",
                            "ok": true,
                            "evidence": {
                              "lowLevelWindows": []
                            }
                          }
                        ],
                        "claimVerdict": {
                          "ok": true,
                          "status": "supported",
                          "classification": null,
                          "failedReceipts": []
                        },
                        "candidateRankingMetric": 63.672599999999996,
                        "sectionHeuristicReviewMetric": 0.9518,
                        "sectionEnergyComparison": {
                          "version": "riddle-proof.audio-section-heuristics.v1",
                          "role": "metric_supported_review_order",
                          "sectionCount": 2,
                          "sections": [
                            {
                              "name": "introBed",
                              "label": "Intro Bed",
                              "baseline": {
                                "rms": 0.1115,
                                "peak": 0.7747,
                                "totalEnergy": 0.015805,
                                "loudnessStyleLufs": -19.75,
                                "headroomDb": 2.22,
                                "clipping": false,
                                "lowLevel": false
                              },
                              "candidate": {
                                "rms": 0.0913,
                                "peak": 0.7334,
                                "totalEnergy": 0.015663,
                                "loudnessStyleLufs": -21.48,
                                "headroomDb": 2.69,
                                "clipping": false,
                                "lowLevel": false
                              },
                              "delta": {
                                "rms": -0.0202,
                                "peak": -0.0413,
                                "totalEnergy": -0.000142,
                                "loudnessStyleLufs": -1.73,
                                "headroomDb": 0.47
                              },
                              "trackedInstruments": [
                                {
                                  "name": "guitar",
                                  "baseline": {
                                    "rms": 0.0407,
                                    "peak": 0.2284,
                                    "totalEnergy": 0.000298
                                  },
                                  "candidate": {
                                    "rms": 0.0295,
                                    "peak": 0.1652,
                                    "totalEnergy": 0.000156
                                  },
                                  "delta": {
                                    "rms": -0.0112,
                                    "peak": -0.0632,
                                    "totalEnergy": -0.000142
                                  }
                                }
                              ],
                              "requiredEnergyFloors": [
                                {
                                  "name": "bass",
                                  "preserved": true,
                                  "floors": {
                                    "rms": 0.0005,
                                    "peak": 0.001,
                                    "totalEnergy": 0.000001
                                  },
                                  "baseline": {
                                    "rms": 0.0209,
                                    "peak": 0.0838,
                                    "totalEnergy": 0.000087
                                  },
                                  "candidate": {
                                    "rms": 0.0209,
                                    "peak": 0.0838,
                                    "totalEnergy": 0.000087
                                  }
                                },
                                {
                                  "name": "chord",
                                  "preserved": true,
                                  "floors": {
                                    "rms": 0.0005,
                                    "peak": 0.001,
                                    "totalEnergy": 0.000001
                                  },
                                  "baseline": {
                                    "rms": 0.0022,
                                    "peak": 0.0079,
                                    "totalEnergy": 0.000001
                                  },
                                  "candidate": {
                                    "rms": 0.0022,
                                    "peak": 0.0079,
                                    "totalEnergy": 0.000001
                                  }
                                },
                                {
                                  "name": "guitar",
                                  "preserved": true,
                                  "floors": {
                                    "rms": 0.0005,
                                    "peak": 0.001,
                                    "totalEnergy": 0.000001
                                  },
                                  "baseline": {
                                    "rms": 0.0407,
                                    "peak": 0.2284,
                                    "totalEnergy": 0.000298
                                  },
                                  "candidate": {
                                    "rms": 0.0295,
                                    "peak": 0.1652,
                                    "totalEnergy": 0.000156
                                  }
                                }
                              ],
                              "requiredEnergyFloorsPreserved": true,
                              "guardrails": {
                                "clipping": false,
                                "lowLevel": false,
                                "headroomDb": 2.69,
                                "minHeadroomDb": 0.5,
                                "headroomOk": true,
                                "violated": []
                              }
                            },
                            {
                              "name": "vocalEntry",
                              "label": "Vocal Entry",
                              "baseline": {
                                "rms": 0.2921,
                                "peak": 0.7726,
                                "totalEnergy": 0.015827,
                                "loudnessStyleLufs": -11.38,
                                "headroomDb": 2.24,
                                "clipping": false,
                                "lowLevel": false
                              },
                              "candidate": {
                                "rms": 0.2863,
                                "peak": 0.7371,
                                "totalEnergy": 0.015612,
                                "loudnessStyleLufs": -11.55,
                                "headroomDb": 2.65,
                                "clipping": false,
                                "lowLevel": false
                              },
                              "delta": {
                                "rms": -0.0058,
                                "peak": -0.0355,
                                "totalEnergy": -0.000215,
                                "loudnessStyleLufs": -0.17,
                                "headroomDb": 0.41
                              },
                              "trackedInstruments": [
                                {
                                  "name": "guitar",
                                  "baseline": {
                                    "rms": 0.0517,
                                    "peak": 0.2756,
                                    "totalEnergy": 0.000451
                                  },
                                  "candidate": {
                                    "rms": 0.0374,
                                    "peak": 0.1994,
                                    "totalEnergy": 0.000236
                                  },
                                  "delta": {
                                    "rms": -0.0143,
                                    "peak": -0.0762,
                                    "totalEnergy": -0.000215
                                  }
                                }
                              ],
                              "requiredEnergyFloors": [
                                {
                                  "name": "rhythmSynth",
                                  "preserved": true,
                                  "floors": {
                                    "rms": 0.0005,
                                    "peak": 0.001,
                                    "totalEnergy": 0.000001
                                  },
                                  "baseline": {
                                    "rms": 0.0094,
                                    "peak": 0.024,
                                    "totalEnergy": 0.000015
                                  },
                                  "candidate": {
                                    "rms": 0.0094,
                                    "peak": 0.024,
                                    "totalEnergy": 0.000015
                                  }
                                }
                              ],
                              "requiredEnergyFloorsPreserved": true,
                              "guardrails": {
                                "clipping": false,
                                "lowLevel": false,
                                "headroomDb": 2.65,
                                "minHeadroomDb": 0.5,
                                "headroomOk": true,
                                "violated": []
                              }
                            }
                          ],
                          "requiredSectionEnergyFloorsPreserved": true,
                          "guardrailsPreserved": true,
                          "violationCount": 0,
                          "averageAbsLoudnessDelta": 0.95,
                          "averageAbsEnergyDelta": 0.000179,
                          "floors": {
                            "requiredRmsFloor": 0.0005,
                            "requiredPeakFloor": 0.001,
                            "requiredTotalEnergyFloor": 0.000001,
                            "minHeadroomDb": 0.5
                          },
                          "trackedInstruments": [
                            "guitar"
                          ],
                          "boundary": "Loudness-style and section-energy metrics rank candidates for review; they do not prove subjective mix quality."
                        },
                        "summary": {
                          "ok": true,
                          "proofKind": "offline-audio-window-set",
                          "mixProfile": {
                            "id": "monkberry-moon-delight-eq-lane-mix-v7",
                            "label": "Monkberry humanized EQ mix",
                            "mixerLevels": {
                              "kick": 0.9,
                              "snare": 0.67,
                              "hat": 0.34,
                              "clap": 0.27,
                              "rim": 0.29,
                              "bass": 0.62,
                              "chord": 0.16,
                              "guitar": 0.65,
                              "rhythmSynth": 0.84
                            }
                          },
                          "windowCount": 2,
                          "passedCount": 2,
                          "findingCount": 0,
                          "status": "passed",
                          "windows": [
                            {
                              "name": "introBed",
                              "label": "Intro Bed",
                              "ok": true,
                              "status": "passed",
                              "classification": null,
                              "requiredActive": [
                                "bass",
                                "chord",
                                "guitar"
                              ],
                              "requiredInstruments": [
                                {
                                  "name": "bass",
                                  "active": true,
                                  "rms": 0.0209,
                                  "peak": 0.0838,
                                  "totalEnergy": 0.000087
                                },
                                {
                                  "name": "chord",
                                  "active": true,
                                  "rms": 0.0022,
                                  "peak": 0.0079,
                                  "totalEnergy": 0.000001
                                },
                                {
                                  "name": "guitar",
                                  "active": true,
                                  "rms": 0.0295,
                                  "peak": 0.1652,
                                  "totalEnergy": 0.000156
                                }
                              ],
                              "missingRequiredActive": [],
                              "mixHealth": {
                                "rms": 0.0913,
                                "peak": 0.7334,
                                "clipping": false,
                                "headroomDb": 2.69,
                                "lowLevel": false
                              },
                              "objectivePenalty": {
                                "total": 72.2397,
                                "mix": {
                                  "slopeDbPerOct": -6.18,
                                  "slopePenalty": 0.8101,
                                  "rolloffPenalty": 2.93,
                                  "presenceRatio": 0.0454,
                                  "presencePenalty": 0.8365,
                                  "presenceFloorPenalty": 1.113,
                                  "mixPenaltyScale": 1
                                },
                                "mud": {
                                  "ratio": 0.2113,
                                  "penalty": 0
                                },
                                "top": [
                                  {
                                    "instrument": "kick",
                                    "score": 89.342,
                                    "skipped": false
                                  },
                                  {
                                    "instrument": "snare",
                                    "score": 57.978,
                                    "skipped": false
                                  },
                                  {
                                    "instrument": "hat",
                                    "score": 2.228,
                                    "skipped": false
                                  }
                                ],
                                "eqPenalty": 3.3732
                              },
                              "score": {
                                "total": 72.2397,
                                "mix": {
                                  "slopeDbPerOct": -6.18,
                                  "slopePenalty": 0.8101,
                                  "rolloffPenalty": 2.93,
                                  "presenceRatio": 0.0454,
                                  "presencePenalty": 0.8365,
                                  "presenceFloorPenalty": 1.113,
                                  "mixPenaltyScale": 1
                                },
                                "mud": {
                                  "ratio": 0.2113,
                                  "penalty": 0
                                },
                                "top": [
                                  {
                                    "instrument": "kick",
                                    "score": 89.342,
                                    "skipped": false
                                  },
                                  {
                                    "instrument": "snare",
                                    "score": 57.978,
                                    "skipped": false
                                  },
                                  {
                                    "instrument": "hat",
                                    "score": 2.228,
                                    "skipped": false
                                  }
                                ],
                                "eqPenalty": 3.3732
                              },
                              "activeInstrumentCount": 6,
                              "activeInstruments": [
                                {
                                  "name": "kick",
                                  "rms": 0.1772,
                                  "peak": 0.8076,
                                  "totalEnergy": 0.011746
                                },
                                {
                                  "name": "snare",
                                  "rms": 0.1014,
                                  "peak": 0.5843,
                                  "totalEnergy": 0.00364
                                },
                                {
                                  "name": "hat",
                                  "rms": 0.0113,
                                  "peak": 0.124,
                                  "totalEnergy": 0.000033
                                },
                                {
                                  "name": "bass",
                                  "rms": 0.0209,
                                  "peak": 0.0838,
                                  "totalEnergy": 0.000087
                                },
                                {
                                  "name": "chord",
                                  "rms": 0.0022,
                                  "peak": 0.0079,
                                  "totalEnergy": 0.000001
                                },
                                {
                                  "name": "guitar",
                                  "rms": 0.0295,
                                  "peak": 0.1652,
                                  "totalEnergy": 0.000156
                                }
                              ],
                              "error": null
                            },
                            {
                              "name": "vocalEntry",
                              "label": "Vocal Entry",
                              "ok": true,
                              "status": "passed",
                              "classification": null,
                              "requiredActive": [
                                "rhythmSynth"
                              ],
                              "requiredInstruments": [
                                {
                                  "name": "rhythmSynth",
                                  "active": true,
                                  "rms": 0.0094,
                                  "peak": 0.024,
                                  "totalEnergy": 0.000015
                                }
                              ],
                              "missingRequiredActive": [],
                              "mixHealth": {
                                "rms": 0.2863,
                                "peak": 0.7371,
                                "clipping": false,
                                "headroomDb": 2.65,
                                "lowLevel": false
                              },
                              "objectivePenalty": {
                                "total": 53.2019,
                                "mix": {
                                  "slopeDbPerOct": -6.914,
                                  "slopePenalty": 2.2864,
                                  "rolloffPenalty": 3.1735,
                                  "presenceRatio": 0.0386,
                                  "presencePenalty": 0.9117,
                                  "presenceFloorPenalty": 1.3252,
                                  "mixPenaltyScale": 1
                                },
                                "mud": {
                                  "ratio": 0.2932,
                                  "penalty": 0
                                },
                                "top": [
                                  {
                                    "instrument": "snare",
                                    "score": 40.261,
                                    "skipped": false
                                  },
                                  {
                                    "instrument": "kick",
                                    "score": 17.84,
                                    "skipped": false
                                  },
                                  {
                                    "instrument": "hat",
                                    "score": 2.227,
                                    "skipped": false
                                  }
                                ],
                                "eqPenalty": 3.3732
                              },
                              "score": {
                                "total": 53.2019,
                                "mix": {
                                  "slopeDbPerOct": -6.914,
                                  "slopePenalty": 2.2864,
                                  "rolloffPenalty": 3.1735,
                                  "presenceRatio": 0.0386,
                                  "presencePenalty": 0.9117,
                                  "presenceFloorPenalty": 1.3252,
                                  "mixPenaltyScale": 1
                                },
                                "mud": {
                                  "ratio": 0.2932,
                                  "penalty": 0
                                },
                                "top": [
                                  {
                                    "instrument": "snare",
                                    "score": 40.261,
                                    "skipped": false
                                  },
                                  {
                                    "instrument": "kick",
                                    "score": 17.84,
                                    "skipped": false
                                  },
                                  {
                                    "instrument": "hat",
                                    "score": 2.227,
                                    "skipped": false
                                  }
                                ],
                                "eqPenalty": 3.3732
                              },
                              "activeInstrumentCount": 7,
                              "activeInstruments": [
                                {
                                  "name": "kick",
                                  "rms": 0.1638,
                                  "peak": 0.8076,
                                  "totalEnergy": 0.010533
                                },
                                {
                                  "name": "snare",
                                  "rms": 0.1085,
                                  "peak": 0.6418,
                                  "totalEnergy": 0.00468
                                },
                                {
                                  "name": "hat",
                                  "rms": 0.0112,
                                  "peak": 0.1242,
                                  "totalEnergy": 0.000033
                                },
                                {
                                  "name": "bass",
                                  "rms": 0.0264,
                                  "peak": 0.1086,
                                  "totalEnergy": 0.000114
                                },
                                {
                                  "name": "chord",
                                  "rms": 0.002,
                                  "peak": 0.0079,
                                  "totalEnergy": 0.000001
                                },
                                {
                                  "name": "guitar",
                                  "rms": 0.0374,
                                  "peak": 0.1994,
                                  "totalEnergy": 0.000236
                                },
                                {
                                  "name": "rhythmSynth",
                                  "rms": 0.0094,
                                  "peak": 0.024,
                                  "totalEnergy": 0.000015
                                }
                              ],
                              "error": null
                            }
                          ],
                          "findings": []
                        }
                      }
                    ],
                    "best": {
                      "index": 1,
                      "candidate": {
                        "track": "guitar",
                        "value": 0.6,
                        "label": "guitar -0.05",
                        "claimCandidate": {
                          "id": "set-guitar-level-0.65-to-0.60",
                          "kind": "change_claim_candidate",
                          "domain": "audio_mix",
                          "strategy": "mix-level-search",
                          "evidenceRolePattern": "interaction_snapshots",
                          "claim": "Setting guitar level from 0.65 to 0.60 changes rendered guitar metrics while preserving Neon proof invariants.",
                          "action": {
                            "type": "set_mixer_level",
                            "track": "guitar",
                            "from": 0.65,
                            "to": 0.6,
                            "delta": -0.05
                          },
                          "expectedReceipts": [
                            "mixer edit accepted",
                            "candidate track matches requested intent",
                            "candidate direction matches requested intent",
                            "contract mixer level reflects requested value",
                            "rendered target track metrics changed",
                            "required instruments remain active",
                            "required section energy floors remain active",
                            "no clipping",
                            "headroom guardrail is preserved",
                            "no low-level proof window"
                          ],
                          "rankingHint": {
                            "metric": "objective_mix_health_penalty",
                            "lowerIsBetter": true,
                            "role": "review_order_only"
                          }
                        }
                      },
                      "claimCandidate": {
                        "id": "set-guitar-level-0.65-to-0.60",
                        "kind": "change_claim_candidate",
                        "domain": "audio_mix",
                        "strategy": "mix-level-search",
                        "evidenceRolePattern": "interaction_snapshots",
                        "claim": "Setting guitar level from 0.65 to 0.60 changes rendered guitar metrics while preserving Neon proof invariants.",
                        "action": {
                          "type": "set_mixer_level",
                          "track": "guitar",
                          "from": 0.65,
                          "to": 0.6,
                          "delta": -0.05
                        },
                        "expectedReceipts": [
                          "mixer edit accepted",
                          "candidate track matches requested intent",
                          "candidate direction matches requested intent",
                          "contract mixer level reflects requested value",
                          "rendered target track metrics changed",
                          "required instruments remain active",
                          "required section energy floors remain active",
                          "no clipping",
                          "headroom guardrail is preserved",
                          "no low-level proof window"
                        ],
                        "rankingHint": {
                          "metric": "objective_mix_health_penalty",
                          "lowerIsBetter": true,
                          "role": "review_order_only"
                        }
                      },
                      "baselineRestoreReceipts": [
                        {
                          "ok": true,
                          "proofKind": "neon-mixer-edit",
                          "track": "guitar",
                          "before": 0.65,
                          "value": 0.65,
                          "levels": null
                        }
                      ],
                      "edit": {
                        "ok": true,
                        "proofKind": "neon-mixer-edit",
                        "track": "guitar",
                        "before": 0.65,
                        "value": 0.6,
                        "levels": null
                      },
                      "claimReceipts": [
                        {
                          "name": "mixer_edit_accepted",
                          "ok": true,
                          "evidence": {
                            "proofKind": "neon-mixer-edit",
                            "track": "guitar",
                            "error": null
                          }
                        },
                        {
                          "name": "candidate_track_matches_requested_intent",
                          "ok": true,
                          "evidence": {
                            "requestedTargetTracks": [
                              "guitar"
                            ],
                            "candidateTrack": "guitar",
                            "source": "explicit_args"
                          }
                        },
                        {
                          "name": "candidate_direction_matches_requested_intent",
                          "ok": true,
                          "evidence": {
                            "requestedDirection": "down",
                            "candidateDelta": -0.05,
                            "source": "explicit_args"
                          }
                        },
                        {
                          "name": "contract_mixer_level_reflects_action",
                          "ok": true,
                          "evidence": {
                            "track": "guitar",
                            "expectedLevel": 0.6,
                            "observedLevel": 0.6
                          }
                        },
                        {
                          "name": "rendered_target_metric_changed",
                          "ok": true,
                          "evidence": {
                            "track": "guitar",
                            "moved": true,
                            "before": {
                              "track": "guitar",
                              "sampleCount": 2,
                              "activeCount": 0,
                              "rms": 0.0462,
                              "peak": 0.252,
                              "totalEnergy": 0.000374
                            },
                            "after": {
                              "track": "guitar",
                              "sampleCount": 2,
                              "activeCount": 0,
                              "rms": 0.04265,
                              "peak": 0.23275,
                              "totalEnergy": 0.00032
                            },
                            "deltas": {
                              "rms": -0.00355,
                              "peak": -0.01925,
                              "totalEnergy": -0.000054
                            },
                            "thresholds": {
                              "rms": 0.00001,
                              "peak": 0.00001,
                              "totalEnergy": 0.000001
                            }
                          }
                        },
                        {
                          "name": "required_instruments_preserved",
                          "ok": true,
                          "evidence": {
                            "windowCount": 2,
                            "findingCount": 0,
                            "findings": []
                          }
                        },
                        {
                          "name": "section_energy_floors_preserved",
                          "ok": true,
                          "evidence": {
                            "sectionCount": 2,
                            "requiredSectionEnergyFloorsPreserved": true,
                            "sections": [
                              {
                                "name": "introBed",
                                "label": "Intro Bed",
                                "requiredEnergyFloorsPreserved": true,
                                "requiredEnergyFloors": [
                                  {
                                    "name": "bass",
                                    "preserved": true,
                                    "floors": {
                                      "rms": 0.0005,
                                      "peak": 0.001,
                                      "totalEnergy": 0.000001
                                    },
                                    "baseline": {
                                      "rms": 0.0209,
                                      "peak": 0.0838,
                                      "totalEnergy": 0.000087
                                    },
                                    "candidate": {
                                      "rms": 0.0209,
                                      "peak": 0.0838,
                                      "totalEnergy": 0.000087
                                    }
                                  },
                                  {
                                    "name": "chord",
                                    "preserved": true,
                                    "floors": {
                                      "rms": 0.0005,
                                      "peak": 0.001,
                                      "totalEnergy": 0.000001
                                    },
                                    "baseline": {
                                      "rms": 0.0022,
                                      "peak": 0.0079,
                                      "totalEnergy": 0.000001
                                    },
                                    "candidate": {
                                      "rms": 0.0022,
                                      "peak": 0.0079,
                                      "totalEnergy": 0.000001
                                    }
                                  },
                                  {
                                    "name": "guitar",
                                    "preserved": true,
                                    "floors": {
                                      "rms": 0.0005,
                                      "peak": 0.001,
                                      "totalEnergy": 0.000001
                                    },
                                    "baseline": {
                                      "rms": 0.0407,
                                      "peak": 0.2284,
                                      "totalEnergy": 0.000298
                                    },
                                    "candidate": {
                                      "rms": 0.0376,
                                      "peak": 0.2109,
                                      "totalEnergy": 0.000254
                                    }
                                  }
                                ]
                              },
                              {
                                "name": "vocalEntry",
                                "label": "Vocal Entry",
                                "requiredEnergyFloorsPreserved": true,
                                "requiredEnergyFloors": [
                                  {
                                    "name": "rhythmSynth",
                                    "preserved": true,
                                    "floors": {
                                      "rms": 0.0005,
                                      "peak": 0.001,
                                      "totalEnergy": 0.000001
                                    },
                                    "baseline": {
                                      "rms": 0.0094,
                                      "peak": 0.024,
                                      "totalEnergy": 0.000015
                                    },
                                    "candidate": {
                                      "rms": 0.0094,
                                      "peak": 0.024,
                                      "totalEnergy": 0.000015
                                    }
                                  }
                                ]
                              }
                            ]
                          }
                        },
                        {
                          "name": "no_clipping",
                          "ok": true,
                          "evidence": {
                            "clippingWindows": []
                          }
                        },
                        {
                          "name": "headroom_guardrail_preserved",
                          "ok": true,
                          "evidence": {
                            "minHeadroomDb": 0.5,
                            "sections": [
                              {
                                "name": "introBed",
                                "headroomDb": 2.34,
                                "headroomOk": true
                              },
                              {
                                "name": "vocalEntry",
                                "headroomDb": 2.36,
                                "headroomOk": true
                              }
                            ]
                          }
                        },
                        {
                          "name": "no_low_level_proof_window",
                          "ok": true,
                          "evidence": {
                            "lowLevelWindows": []
                          }
                        }
                      ],
                      "claimVerdict": {
                        "ok": true,
                        "status": "supported",
                        "classification": null,
                        "failedReceipts": []
                      },
                      "candidateRankingMetric": 62.2099,
                      "sectionHeuristicReviewMetric": 0.2405,
                      "sectionEnergyComparison": {
                        "version": "riddle-proof.audio-section-heuristics.v1",
                        "role": "metric_supported_review_order",
                        "sectionCount": 2,
                        "sections": [
                          {
                            "name": "introBed",
                            "label": "Intro Bed",
                            "baseline": {
                              "rms": 0.1115,
                              "peak": 0.7747,
                              "totalEnergy": 0.015805,
                              "loudnessStyleLufs": -19.75,
                              "headroomDb": 2.22,
                              "clipping": false,
                              "lowLevel": false
                            },
                            "candidate": {
                              "rms": 0.106,
                              "peak": 0.7639,
                              "totalEnergy": 0.015761,
                              "loudnessStyleLufs": -20.18,
                              "headroomDb": 2.34,
                              "clipping": false,
                              "lowLevel": false
                            },
                            "delta": {
                              "rms": -0.0055,
                              "peak": -0.0108,
                              "totalEnergy": -0.000044,
                              "loudnessStyleLufs": -0.43,
                              "headroomDb": 0.12
                            },
                            "trackedInstruments": [
                              {
                                "name": "guitar",
                                "baseline": {
                                  "rms": 0.0407,
                                  "peak": 0.2284,
                                  "totalEnergy": 0.000298
                                },
                                "candidate": {
                                  "rms": 0.0376,
                                  "peak": 0.2109,
                                  "totalEnergy": 0.000254
                                },
                                "delta": {
                                  "rms": -0.0031,
                                  "peak": -0.0175,
                                  "totalEnergy": -0.000044
                                }
                              }
                            ],
                            "requiredEnergyFloors": [
                              {
                                "name": "bass",
                                "preserved": true,
                                "floors": {
                                  "rms": 0.0005,
                                  "peak": 0.001,
                                  "totalEnergy": 0.000001
                                },
                                "baseline": {
                                  "rms": 0.0209,
                                  "peak": 0.0838,
                                  "totalEnergy": 0.000087
                                },
                                "candidate": {
                                  "rms": 0.0209,
                                  "peak": 0.0838,
                                  "totalEnergy": 0.000087
                                }
                              },
                              {
                                "name": "chord",
                                "preserved": true,
                                "floors": {
                                  "rms": 0.0005,
                                  "peak": 0.001,
                                  "totalEnergy": 0.000001
                                },
                                "baseline": {
                                  "rms": 0.0022,
                                  "peak": 0.0079,
                                  "totalEnergy": 0.000001
                                },
                                "candidate": {
                                  "rms": 0.0022,
                                  "peak": 0.0079,
                                  "totalEnergy": 0.000001
                                }
                              },
                              {
                                "name": "guitar",
                                "preserved": true,
                                "floors": {
                                  "rms": 0.0005,
                                  "peak": 0.001,
                                  "totalEnergy": 0.000001
                                },
                                "baseline": {
                                  "rms": 0.0407,
                                  "peak": 0.2284,
                                  "totalEnergy": 0.000298
                                },
                                "candidate": {
                                  "rms": 0.0376,
                                  "peak": 0.2109,
                                  "totalEnergy": 0.000254
                                }
                              }
                            ],
                            "requiredEnergyFloorsPreserved": true,
                            "guardrails": {
                              "clipping": false,
                              "lowLevel": false,
                              "headroomDb": 2.34,
                              "minHeadroomDb": 0.5,
                              "headroomOk": true,
                              "violated": []
                            }
                          },
                          {
                            "name": "vocalEntry",
                            "label": "Vocal Entry",
                            "baseline": {
                              "rms": 0.2921,
                              "peak": 0.7726,
                              "totalEnergy": 0.015827,
                              "loudnessStyleLufs": -11.38,
                              "headroomDb": 2.24,
                              "clipping": false,
                              "lowLevel": false
                            },
                            "candidate": {
                              "rms": 0.2904,
                              "peak": 0.7619,
                              "totalEnergy": 0.015761,
                              "loudnessStyleLufs": -11.43,
                              "headroomDb": 2.36,
                              "clipping": false,
                              "lowLevel": false
                            },
                            "delta": {
                              "rms": -0.0017,
                              "peak": -0.0107,
                              "totalEnergy": -0.000066,
                              "loudnessStyleLufs": -0.05,
                              "headroomDb": 0.12
                            },
                            "trackedInstruments": [
                              {
                                "name": "guitar",
                                "baseline": {
                                  "rms": 0.0517,
                                  "peak": 0.2756,
                                  "totalEnergy": 0.000451
                                },
                                "candidate": {
                                  "rms": 0.0477,
                                  "peak": 0.2546,
                                  "totalEnergy": 0.000385
                                },
                                "delta": {
                                  "rms": -0.004,
                                  "peak": -0.021,
                                  "totalEnergy": -0.000066
                                }
                              }
                            ],
                            "requiredEnergyFloors": [
                              {
                                "name": "rhythmSynth",
                                "preserved": true,
                                "floors": {
                                  "rms": 0.0005,
                                  "peak": 0.001,
                                  "totalEnergy": 0.000001
                                },
                                "baseline": {
                                  "rms": 0.0094,
                                  "peak": 0.024,
                                  "totalEnergy": 0.000015
                                },
                                "candidate": {
                                  "rms": 0.0094,
                                  "peak": 0.024,
                                  "totalEnergy": 0.000015
                                }
                              }
                            ],
                            "requiredEnergyFloorsPreserved": true,
                            "guardrails": {
                              "clipping": false,
                              "lowLevel": false,
                              "headroomDb": 2.36,
                              "minHeadroomDb": 0.5,
                              "headroomOk": true,
                              "violated": []
                            }
                          }
                        ],
                        "requiredSectionEnergyFloorsPreserved": true,
                        "guardrailsPreserved": true,
                        "violationCount": 0,
                        "averageAbsLoudnessDelta": 0.24,
                        "averageAbsEnergyDelta": 0.000055,
                        "floors": {
                          "requiredRmsFloor": 0.0005,
                          "requiredPeakFloor": 0.001,
                          "requiredTotalEnergyFloor": 0.000001,
                          "minHeadroomDb": 0.5
                        },
                        "trackedInstruments": [
                          "guitar"
                        ],
                        "boundary": "Loudness-style and section-energy metrics rank candidates for review; they do not prove subjective mix quality."
                      },
                      "summary": {
                        "ok": true,
                        "proofKind": "offline-audio-window-set",
                        "mixProfile": {
                          "id": "monkberry-moon-delight-eq-lane-mix-v7",
                          "label": "Monkberry humanized EQ mix",
                          "mixerLevels": {
                            "kick": 0.9,
                            "snare": 0.67,
                            "hat": 0.34,
                            "clap": 0.27,
                            "rim": 0.29,
                            "bass": 0.62,
                            "chord": 0.16,
                            "guitar": 0.65,
                            "rhythmSynth": 0.84
                          }
                        },
                        "windowCount": 2,
                        "passedCount": 2,
                        "findingCount": 0,
                        "status": "passed",
                        "windows": [
                          {
                            "name": "introBed",
                            "label": "Intro Bed",
                            "ok": true,
                            "status": "passed",
                            "classification": null,
                            "requiredActive": [
                              "bass",
                              "chord",
                              "guitar"
                            ],
                            "requiredInstruments": [
                              {
                                "name": "bass",
                                "active": true,
                                "rms": 0.0209,
                                "peak": 0.0838,
                                "totalEnergy": 0.000087
                              },
                              {
                                "name": "chord",
                                "active": true,
                                "rms": 0.0022,
                                "peak": 0.0079,
                                "totalEnergy": 0.000001
                              },
                              {
                                "name": "guitar",
                                "active": true,
                                "rms": 0.0376,
                                "peak": 0.2109,
                                "totalEnergy": 0.000254
                              }
                            ],
                            "missingRequiredActive": [],
                            "mixHealth": {
                              "rms": 0.106,
                              "peak": 0.7639,
                              "clipping": false,
                              "headroomDb": 2.34,
                              "lowLevel": false
                            },
                            "objectivePenalty": {
                              "total": 71.3476,
                              "mix": {
                                "slopeDbPerOct": -6.047,
                                "slopePenalty": 0.6222,
                                "rolloffPenalty": 2.868,
                                "presenceRatio": 0.0451,
                                "presencePenalty": 0.8398,
                                "presenceFloorPenalty": 1.122,
                                "mixPenaltyScale": 1
                              },
                              "mud": {
                                "ratio": 0.2144,
                                "penalty": 0
                              },
                              "top": [
                                {
                                  "instrument": "kick",
                                  "score": 89.342,
                                  "skipped": false
                                },
                                {
                                  "instrument": "snare",
                                  "score": 57.978,
                                  "skipped": false
                                },
                                {
                                  "instrument": "hat",
                                  "score": 2.228,
                                  "skipped": false
                                }
                              ],
                              "eqPenalty": 3.3732
                            },
                            "score": {
                              "total": 71.3476,
                              "mix": {
                                "slopeDbPerOct": -6.047,
                                "slopePenalty": 0.6222,
                                "rolloffPenalty": 2.868,
                                "presenceRatio": 0.0451,
                                "presencePenalty": 0.8398,
                                "presenceFloorPenalty": 1.122,
                                "mixPenaltyScale": 1
                              },
                              "mud": {
                                "ratio": 0.2144,
                                "penalty": 0
                              },
                              "top": [
                                {
                                  "instrument": "kick",
                                  "score": 89.342,
                                  "skipped": false
                                },
                                {
                                  "instrument": "snare",
                                  "score": 57.978,
                                  "skipped": false
                                },
                                {
                                  "instrument": "hat",
                                  "score": 2.228,
                                  "skipped": false
                                }
                              ],
                              "eqPenalty": 3.3732
                            },
                            "activeInstrumentCount": 6,
                            "activeInstruments": [
                              {
                                "name": "kick",
                                "rms": 0.1772,
                                "peak": 0.8076,
                                "totalEnergy": 0.011746
                              },
                              {
                                "name": "snare",
                                "rms": 0.1014,
                                "peak": 0.5843,
                                "totalEnergy": 0.00364
                              },
                              {
                                "name": "hat",
                                "rms": 0.0113,
                                "peak": 0.124,
                                "totalEnergy": 0.000033
                              },
                              {
                                "name": "bass",
                                "rms": 0.0209,
                                "peak": 0.0838,
                                "totalEnergy": 0.000087
                              },
                              {
                                "name": "chord",
                                "rms": 0.0022,
                                "peak": 0.0079,
                                "totalEnergy": 0.000001
                              },
                              {
                                "name": "guitar",
                                "rms": 0.0376,
                                "peak": 0.2109,
                                "totalEnergy": 0.000254
                              }
                            ],
                            "error": null
                          },
                          {
                            "name": "vocalEntry",
                            "label": "Vocal Entry",
                            "ok": true,
                            "status": "passed",
                            "classification": null,
                            "requiredActive": [
                              "rhythmSynth"
                            ],
                            "requiredInstruments": [
                              {
                                "name": "rhythmSynth",
                                "active": true,
                                "rms": 0.0094,
                                "peak": 0.024,
                                "totalEnergy": 0.000015
                              }
                            ],
                            "missingRequiredActive": [],
                            "mixHealth": {
                              "rms": 0.2904,
                              "peak": 0.7619,
                              "clipping": false,
                              "headroomDb": 2.36,
                              "lowLevel": false
                            },
                            "objectivePenalty": {
                              "total": 52.5912,
                              "mix": {
                                "slopeDbPerOct": -6.853,
                                "slopePenalty": 2.135,
                                "rolloffPenalty": 3.1713,
                                "presenceRatio": 0.0386,
                                "presencePenalty": 0.9117,
                                "presenceFloorPenalty": 1.3252,
                                "mixPenaltyScale": 1
                              },
                              "mud": {
                                "ratio": 0.2985,
                                "penalty": 0
                              },
                              "top": [
                                {
                                  "instrument": "snare",
                                  "score": 40.261,
                                  "skipped": false
                                },
                                {
                                  "instrument": "kick",
                                  "score": 17.84,
                                  "skipped": false
                                },
                                {
                                  "instrument": "hat",
                                  "score": 2.227,
                                  "skipped": false
                                }
                              ],
                              "eqPenalty": 3.3732
                            },
                            "score": {
                              "total": 52.5912,
                              "mix": {
                                "slopeDbPerOct": -6.853,
                                "slopePenalty": 2.135,
                                "rolloffPenalty": 3.1713,
                                "presenceRatio": 0.0386,
                                "presencePenalty": 0.9117,
                                "presenceFloorPenalty": 1.3252,
                                "mixPenaltyScale": 1
                              },
                              "mud": {
                                "ratio": 0.2985,
                                "penalty": 0
                              },
                              "top": [
                                {
                                  "instrument": "snare",
                                  "score": 40.261,
                                  "skipped": false
                                },
                                {
                                  "instrument": "kick",
                                  "score": 17.84,
                                  "skipped": false
                                },
                                {
                                  "instrument": "hat",
                                  "score": 2.227,
                                  "skipped": false
                                }
                              ],
                              "eqPenalty": 3.3732
                            },
                            "activeInstrumentCount": 7,
                            "activeInstruments": [
                              {
                                "name": "kick",
                                "rms": 0.1638,
                                "peak": 0.8076,
                                "totalEnergy": 0.010533
                              },
                              {
                                "name": "snare",
                                "rms": 0.1085,
                                "peak": 0.6418,
                                "totalEnergy": 0.00468
                              },
                              {
                                "name": "hat",
                                "rms": 0.0112,
                                "peak": 0.1242,
                                "totalEnergy": 0.000033
                              },
                              {
                                "name": "bass",
                                "rms": 0.0264,
                                "peak": 0.1086,
                                "totalEnergy": 0.000114
                              },
                              {
                                "name": "chord",
                                "rms": 0.002,
                                "peak": 0.0079,
                                "totalEnergy": 0.000001
                              },
                              {
                                "name": "guitar",
                                "rms": 0.0477,
                                "peak": 0.2546,
                                "totalEnergy": 0.000385
                              },
                              {
                                "name": "rhythmSynth",
                                "rms": 0.0094,
                                "peak": 0.024,
                                "totalEnergy": 0.000015
                              }
                            ],
                            "error": null
                          }
                        ],
                        "findings": []
                      }
                    },
                    "bestClaimCandidate": {
                      "id": "set-guitar-level-0.65-to-0.60",
                      "kind": "change_claim_candidate",
                      "domain": "audio_mix",
                      "strategy": "mix-level-search",
                      "evidenceRolePattern": "interaction_snapshots",
                      "claim": "Setting guitar level from 0.65 to 0.60 changes rendered guitar metrics while preserving Neon proof invariants.",
                      "action": {
                        "type": "set_mixer_level",
                        "track": "guitar",
                        "from": 0.65,
                        "to": 0.6,
                        "delta": -0.05
                      },
                      "expectedReceipts": [
                        "mixer edit accepted",
                        "candidate track matches requested intent",
                        "candidate direction matches requested intent",
                        "contract mixer level reflects requested value",
                        "rendered target track metrics changed",
                        "required instruments remain active",
                        "required section energy floors remain active",
                        "no clipping",
                        "headroom guardrail is preserved",
                        "no low-level proof window"
                      ],
                      "rankingHint": {
                        "metric": "objective_mix_health_penalty",
                        "lowerIsBetter": true,
                        "role": "review_order_only"
                      }
                    },
                    "humanReviewPacket": {
                      "version": "neon-step-sequencer.human-review-packet.v1",
                      "kind": "human_review_packet",
                      "domain": "audio_mix",
                      "status": "candidate_ready_for_listening_review",
                      "evidenceRolePattern": "interaction_snapshots",
                      "proofBoundary": "Objective receipts support or reject candidate change claims; musical taste still requires listening review.",
                      "requestedIntent": "turn the guitar part down a little",
                      "target": {
                        "routeState": {
                          "proofKind": "neon-route-state",
                          "route": "/games/drum-sequencer",
                          "mode": "song",
                          "selectedSong": "Monkberry Moon Delight (Tab)",
                          "selectedPartIndex": 0
                        },
                        "selectedSong": {
                          "proofKind": "neon-selected-song",
                          "selectedSong": "Monkberry Moon Delight (Tab)",
                          "partCount": 9,
                          "mixProfile": {
                            "id": "monkberry-moon-delight-eq-lane-mix-v7",
                            "label": "Monkberry humanized EQ mix",
                            "description": "Humanized imported-tab mix with softer vocal formants, fuller bass harmonics, darker pads, and a deeper shared room/plate space.",
                            "mixerLevels": {
                              "kick": 0.9,
                              "snare": 0.67,
                              "hat": 0.34,
                              "clap": 0.27,
                              "rim": 0.29,
                              "bass": 0.62,
                              "chord": 0.16,
                              "guitar": 0.65,
                              "rhythmSynth": 0.84
                            },
                            "proofWindows": [
                              {
                                "name": "introBed",
                                "label": "Intro Bed",
                                "bars": 1,
                                "seed": "riddle-sequencer-bed",
                                "requiredActive": [
                                  "bass",
                                  "chord",
                                  "guitar"
                                ]
                              },
                              {
                                "name": "vocalEntry",
                                "label": "Vocal Entry",
                                "bars": 3,
                                "seed": "riddle-sequencer-vocal-melody",
                                "requiredActive": [
                                  "rhythmSynth"
                                ]
                              }
                            ],
                            "eqSettings": {
                              "kick": [
                                2.2,
                                -0.8,
                                -3.2,
                                -4.5,
                                -5.5,
                                -5,
                                0.8,
                                0
                              ],
                              "snare": [
                                -6,
                                -2.5,
                                1.4,
                                -3,
                                -0.6,
                                1.4,
                                0.4,
                                -1.8
                              ],
                              "hat": [
                                -12,
                                -12,
                                -12,
                                -10,
                                -7,
                                -2.5,
                                -2.2,
                                -1.1
                              ],
                              "clap": [
                                -12,
                                -8,
                                -4,
                                -1.5,
                                0.8,
                                0,
                                -1,
                                -2
                              ],
                              "rim": [
                                -12,
                                -8,
                                -3.5,
                                -1.2,
                                0,
                                -0.5,
                                -1.2,
                                -2
                              ],
                              "bass": [
                                -1.2,
                                2.8,
                                -1.4,
                                -4.8,
                                -6,
                                -8,
                                -10,
                                -10
                              ],
                              "chord": [
                                -8,
                                -2.8,
                                -4.8,
                                -0.8,
                                -1,
                                -2.8,
                                -4.8,
                                -6.5
                              ],
                              "guitar": [
                                -8,
                                -4.8,
                                -3.4,
                                -2.2,
                                1.2,
                                1.4,
                                0.2,
                                -1.8
                              ],
                              "rhythmSynth": [
                                -10,
                                -6,
                                -3.8,
                                -1.6,
                                0.8,
                                1.8,
                                0,
                                -2.8
                              ]
                            },
                            "mixLanes": {
                              "kick": "Sub thump around 60 Hz with most low-mid box removed.",
                              "bass": "Bass foundation around 80-160 Hz with more 120 Hz body for small speakers.",
                              "snare": "Backbeat body near 250 Hz with controlled upper presence.",
                              "hat": "Soft high pulse, trimmed in brittle 4-8 kHz bands.",
                              "chord": "Darker pad bed with more room depth and less plasticky top.",
                              "guitar": "Mid/presence lane around 1-2 kHz, wider than the pad and glued into the shared music bus.",
                              "rhythmSynth": "Vocal melody lane in the upper mids, forward enough to survive the small-speaker monitor without crowding 1 kHz."
                            }
                          }
                        }
                      },
                      "request": {
                        "strategy": "mix-level-search",
                        "focusTracks": [
                          "guitar"
                        ],
                        "claimTarget": {
                          "targetTracks": [
                            "guitar"
                          ],
                          "direction": "down",
                          "source": "explicit_args",
                          "boundary": "Requested target and direction constrain objective candidate support; ranking still only orders listening review."
                        },
                        "maxIterations": 3,
                        "monitorProfile": "smallSpeaker",
                        "restore": true,
                        "applyBest": false,
                        "candidateActionsAreTransient": true,
                        "approval": null
                      },
                      "recommendation": {
                        "action": "review_before_applying_candidate",
                        "candidate": {
                          "index": 1,
                          "label": "guitar -0.05",
                          "status": "supported",
                          "classification": null,
                          "claim": "Setting guitar level from 0.65 to 0.60 changes rendered guitar metrics while preserving Neon proof invariants.",
                          "action": {
                            "type": "set_mixer_level",
                            "track": "guitar",
                            "from": 0.65,
                            "to": 0.6,
                            "delta": -0.05
                          },
                          "rankingMetric": 62.2099,
                          "receipts": [
                            {
                              "name": "mixer_edit_accepted",
                              "ok": true
                            },
                            {
                              "name": "candidate_track_matches_requested_intent",
                              "ok": true
                            },
                            {
                              "name": "candidate_direction_matches_requested_intent",
                              "ok": true
                            },
                            {
                              "name": "contract_mixer_level_reflects_action",
                              "ok": true
                            },
                            {
                              "name": "rendered_target_metric_changed",
                              "ok": true
                            },
                            {
                              "name": "required_instruments_preserved",
                              "ok": true
                            },
                            {
                              "name": "section_energy_floors_preserved",
                              "ok": true
                            },
                            {
                              "name": "no_clipping",
                              "ok": true
                            },
                            {
                              "name": "headroom_guardrail_preserved",
                              "ok": true
                            },
                            {
                              "name": "no_low_level_proof_window",
                              "ok": true
                            }
                          ],
                          "failedReceipts": [],
                          "guardrails": {
                            "mixerEditAccepted": true,
                            "candidateTrackMatchesRequestedIntent": true,
                            "candidateDirectionMatchesRequestedIntent": true,
                            "contractLevelReflected": true,
                            "renderedTargetMoved": true,
                            "requiredInstrumentsPreserved": true,
                            "requiredSectionEnergyFloorsPreserved": true,
                            "noClipping": true,
                            "headroomPreserved": true,
                            "noLowLevelProofWindow": true
                          },
                          "targetMovement": {
                            "track": "guitar",
                            "moved": true,
                            "deltas": {
                              "rms": -0.00355,
                              "peak": -0.01925,
                              "totalEnergy": -0.000054
                            },
                            "before": {
                              "track": "guitar",
                              "sampleCount": 2,
                              "activeCount": 0,
                              "rms": 0.0462,
                              "peak": 0.252,
                              "totalEnergy": 0.000374
                            },
                            "after": {
                              "track": "guitar",
                              "sampleCount": 2,
                              "activeCount": 0,
                              "rms": 0.04265,
                              "peak": 0.23275,
                              "totalEnergy": 0.00032
                            }
                          },
                          "requestedIntentMatch": {
                            "track": {
                              "requestedTargetTracks": [
                                "guitar"
                              ],
                              "candidateTrack": "guitar",
                              "source": "explicit_args"
                            },
                            "direction": {
                              "requestedDirection": "down",
                              "candidateDelta": -0.05,
                              "source": "explicit_args"
                            }
                          },
                          "sectionHeuristicReviewMetric": 0.2405,
                          "sectionEnergyComparison": {
                            "version": "riddle-proof.audio-section-heuristics.v1",
                            "role": "metric_supported_review_order",
                            "sectionCount": 2,
                            "sections": [
                              {
                                "name": "introBed",
                                "label": "Intro Bed",
                                "baseline": {
                                  "rms": 0.1115,
                                  "peak": 0.7747,
                                  "totalEnergy": 0.015805,
                                  "loudnessStyleLufs": -19.75,
                                  "headroomDb": 2.22,
                                  "clipping": false,
                                  "lowLevel": false
                                },
                                "candidate": {
                                  "rms": 0.106,
                                  "peak": 0.7639,
                                  "totalEnergy": 0.015761,
                                  "loudnessStyleLufs": -20.18,
                                  "headroomDb": 2.34,
                                  "clipping": false,
                                  "lowLevel": false
                                },
                                "delta": {
                                  "rms": -0.0055,
                                  "peak": -0.0108,
                                  "totalEnergy": -0.000044,
                                  "loudnessStyleLufs": -0.43,
                                  "headroomDb": 0.12
                                },
                                "trackedInstruments": [
                                  {
                                    "name": "guitar",
                                    "baseline": {
                                      "rms": 0.0407,
                                      "peak": 0.2284,
                                      "totalEnergy": 0.000298
                                    },
                                    "candidate": {
                                      "rms": 0.0376,
                                      "peak": 0.2109,
                                      "totalEnergy": 0.000254
                                    },
                                    "delta": {
                                      "rms": -0.0031,
                                      "peak": -0.0175,
                                      "totalEnergy": -0.000044
                                    }
                                  }
                                ],
                                "requiredEnergyFloors": [
                                  {
                                    "name": "bass",
                                    "preserved": true,
                                    "floors": {
                                      "rms": 0.0005,
                                      "peak": 0.001,
                                      "totalEnergy": 0.000001
                                    },
                                    "baseline": {
                                      "rms": 0.0209,
                                      "peak": 0.0838,
                                      "totalEnergy": 0.000087
                                    },
                                    "candidate": {
                                      "rms": 0.0209,
                                      "peak": 0.0838,
                                      "totalEnergy": 0.000087
                                    }
                                  },
                                  {
                                    "name": "chord",
                                    "preserved": true,
                                    "floors": {
                                      "rms": 0.0005,
                                      "peak": 0.001,
                                      "totalEnergy": 0.000001
                                    },
                                    "baseline": {
                                      "rms": 0.0022,
                                      "peak": 0.0079,
                                      "totalEnergy": 0.000001
                                    },
                                    "candidate": {
                                      "rms": 0.0022,
                                      "peak": 0.0079,
                                      "totalEnergy": 0.000001
                                    }
                                  },
                                  {
                                    "name": "guitar",
                                    "preserved": true,
                                    "floors": {
                                      "rms": 0.0005,
                                      "peak": 0.001,
                                      "totalEnergy": 0.000001
                                    },
                                    "baseline": {
                                      "rms": 0.0407,
                                      "peak": 0.2284,
                                      "totalEnergy": 0.000298
                                    },
                                    "candidate": {
                                      "rms": 0.0376,
                                      "peak": 0.2109,
                                      "totalEnergy": 0.000254
                                    }
                                  }
                                ],
                                "requiredEnergyFloorsPreserved": true,
                                "guardrails": {
                                  "clipping": false,
                                  "lowLevel": false,
                                  "headroomDb": 2.34,
                                  "minHeadroomDb": 0.5,
                                  "headroomOk": true,
                                  "violated": []
                                }
                              },
                              {
                                "name": "vocalEntry",
                                "label": "Vocal Entry",
                                "baseline": {
                                  "rms": 0.2921,
                                  "peak": 0.7726,
                                  "totalEnergy": 0.015827,
                                  "loudnessStyleLufs": -11.38,
                                  "headroomDb": 2.24,
                                  "clipping": false,
                                  "lowLevel": false
                                },
                                "candidate": {
                                  "rms": 0.2904,
                                  "peak": 0.7619,
                                  "totalEnergy": 0.015761,
                                  "loudnessStyleLufs": -11.43,
                                  "headroomDb": 2.36,
                                  "clipping": false,
                                  "lowLevel": false
                                },
                                "delta": {
                                  "rms": -0.0017,
                                  "peak": -0.0107,
                                  "totalEnergy": -0.000066,
                                  "loudnessStyleLufs": -0.05,
                                  "headroomDb": 0.12
                                },
                                "trackedInstruments": [
                                  {
                                    "name": "guitar",
                                    "baseline": {
                                      "rms": 0.0517,
                                      "peak": 0.2756,
                                      "totalEnergy": 0.000451
                                    },
                                    "candidate": {
                                      "rms": 0.0477,
                                      "peak": 0.2546,
                                      "totalEnergy": 0.000385
                                    },
                                    "delta": {
                                      "rms": -0.004,
                                      "peak": -0.021,
                                      "totalEnergy": -0.000066
                                    }
                                  }
                                ],
                                "requiredEnergyFloors": [
                                  {
                                    "name": "rhythmSynth",
                                    "preserved": true,
                                    "floors": {
                                      "rms": 0.0005,
                                      "peak": 0.001,
                                      "totalEnergy": 0.000001
                                    },
                                    "baseline": {
                                      "rms": 0.0094,
                                      "peak": 0.024,
                                      "totalEnergy": 0.000015
                                    },
                                    "candidate": {
                                      "rms": 0.0094,
                                      "peak": 0.024,
                                      "totalEnergy": 0.000015
                                    }
                                  }
                                ],
                                "requiredEnergyFloorsPreserved": true,
                                "guardrails": {
                                  "clipping": false,
                                  "lowLevel": false,
                                  "headroomDb": 2.36,
                                  "minHeadroomDb": 0.5,
                                  "headroomOk": true,
                                  "violated": []
                                }
                              }
                            ],
                            "requiredSectionEnergyFloorsPreserved": true,
                            "guardrailsPreserved": true,
                            "violationCount": 0,
                            "averageAbsLoudnessDelta": 0.24,
                            "averageAbsEnergyDelta": 0.000055,
                            "floors": {
                              "requiredRmsFloor": 0.0005,
                              "requiredPeakFloor": 0.001,
                              "requiredTotalEnergyFloor": 0.000001,
                              "minHeadroomDb": 0.5
                            },
                            "trackedInstruments": [
                              "guitar"
                            ],
                            "boundary": "Loudness-style and section-energy metrics rank candidates for review; they do not prove subjective mix quality."
                          },
                          "summary": {
                            "status": "passed",
                            "windowCount": 2,
                            "findingCount": 0,
                            "mixProfile": {
                              "id": "monkberry-moon-delight-eq-lane-mix-v7",
                              "label": "Monkberry humanized EQ mix",
                              "mixerLevels": {
                                "kick": 0.9,
                                "snare": 0.67,
                                "hat": 0.34,
                                "clap": 0.27,
                                "rim": 0.29,
                                "bass": 0.62,
                                "chord": 0.16,
                                "guitar": 0.65,
                                "rhythmSynth": 0.84
                              }
                            }
                          }
                        },
                        "reason": "All objective claim receipts passed for this candidate; ranking only orders listening review."
                      },
                      "supportedCandidates": [
                        {
                          "index": 1,
                          "label": "guitar -0.05",
                          "status": "supported",
                          "classification": null,
                          "claim": "Setting guitar level from 0.65 to 0.60 changes rendered guitar metrics while preserving Neon proof invariants.",
                          "action": {
                            "type": "set_mixer_level",
                            "track": "guitar",
                            "from": 0.65,
                            "to": 0.6,
                            "delta": -0.05
                          },
                          "rankingMetric": 62.2099,
                          "receipts": [
                            {
                              "name": "mixer_edit_accepted",
                              "ok": true
                            },
                            {
                              "name": "candidate_track_matches_requested_intent",
                              "ok": true
                            },
                            {
                              "name": "candidate_direction_matches_requested_intent",
                              "ok": true
                            },
                            {
                              "name": "contract_mixer_level_reflects_action",
                              "ok": true
                            },
                            {
                              "name": "rendered_target_metric_changed",
                              "ok": true
                            },
                            {
                              "name": "required_instruments_preserved",
                              "ok": true
                            },
                            {
                              "name": "section_energy_floors_preserved",
                              "ok": true
                            },
                            {
                              "name": "no_clipping",
                              "ok": true
                            },
                            {
                              "name": "headroom_guardrail_preserved",
                              "ok": true
                            },
                            {
                              "name": "no_low_level_proof_window",
                              "ok": true
                            }
                          ],
                          "failedReceipts": [],
                          "guardrails": {
                            "mixerEditAccepted": true,
                            "candidateTrackMatchesRequestedIntent": true,
                            "candidateDirectionMatchesRequestedIntent": true,
                            "contractLevelReflected": true,
                            "renderedTargetMoved": true,
                            "requiredInstrumentsPreserved": true,
                            "requiredSectionEnergyFloorsPreserved": true,
                            "noClipping": true,
                            "headroomPreserved": true,
                            "noLowLevelProofWindow": true
                          },
                          "targetMovement": {
                            "track": "guitar",
                            "moved": true,
                            "deltas": {
                              "rms": -0.00355,
                              "peak": -0.01925,
                              "totalEnergy": -0.000054
                            },
                            "before": {
                              "track": "guitar",
                              "sampleCount": 2,
                              "activeCount": 0,
                              "rms": 0.0462,
                              "peak": 0.252,
                              "totalEnergy": 0.000374
                            },
                            "after": {
                              "track": "guitar",
                              "sampleCount": 2,
                              "activeCount": 0,
                              "rms": 0.04265,
                              "peak": 0.23275,
                              "totalEnergy": 0.00032
                            }
                          },
                          "requestedIntentMatch": {
                            "track": {
                              "requestedTargetTracks": [
                                "guitar"
                              ],
                              "candidateTrack": "guitar",
                              "source": "explicit_args"
                            },
                            "direction": {
                              "requestedDirection": "down",
                              "candidateDelta": -0.05,
                              "source": "explicit_args"
                            }
                          },
                          "sectionHeuristicReviewMetric": 0.2405,
                          "sectionEnergyComparison": {
                            "version": "riddle-proof.audio-section-heuristics.v1",
                            "role": "metric_supported_review_order",
                            "sectionCount": 2,
                            "sections": [
                              {
                                "name": "introBed",
                                "label": "Intro Bed",
                                "baseline": {
                                  "rms": 0.1115,
                                  "peak": 0.7747,
                                  "totalEnergy": 0.015805,
                                  "loudnessStyleLufs": -19.75,
                                  "headroomDb": 2.22,
                                  "clipping": false,
                                  "lowLevel": false
                                },
                                "candidate": {
                                  "rms": 0.106,
                                  "peak": 0.7639,
                                  "totalEnergy": 0.015761,
                                  "loudnessStyleLufs": -20.18,
                                  "headroomDb": 2.34,
                                  "clipping": false,
                                  "lowLevel": false
                                },
                                "delta": {
                                  "rms": -0.0055,
                                  "peak": -0.0108,
                                  "totalEnergy": -0.000044,
                                  "loudnessStyleLufs": -0.43,
                                  "headroomDb": 0.12
                                },
                                "trackedInstruments": [
                                  {
                                    "name": "guitar",
                                    "baseline": {
                                      "rms": 0.0407,
                                      "peak": 0.2284,
                                      "totalEnergy": 0.000298
                                    },
                                    "candidate": {
                                      "rms": 0.0376,
                                      "peak": 0.2109,
                                      "totalEnergy": 0.000254
                                    },
                                    "delta": {
                                      "rms": -0.0031,
                                      "peak": -0.0175,
                                      "totalEnergy": -0.000044
                                    }
                                  }
                                ],
                                "requiredEnergyFloors": [
                                  {
                                    "name": "bass",
                                    "preserved": true,
                                    "floors": {
                                      "rms": 0.0005,
                                      "peak": 0.001,
                                      "totalEnergy": 0.000001
                                    },
                                    "baseline": {
                                      "rms": 0.0209,
                                      "peak": 0.0838,
                                      "totalEnergy": 0.000087
                                    },
                                    "candidate": {
                                      "rms": 0.0209,
                                      "peak": 0.0838,
                                      "totalEnergy": 0.000087
                                    }
                                  },
                                  {
                                    "name": "chord",
                                    "preserved": true,
                                    "floors": {
                                      "rms": 0.0005,
                                      "peak": 0.001,
                                      "totalEnergy": 0.000001
                                    },
                                    "baseline": {
                                      "rms": 0.0022,
                                      "peak": 0.0079,
                                      "totalEnergy": 0.000001
                                    },
                                    "candidate": {
                                      "rms": 0.0022,
                                      "peak": 0.0079,
                                      "totalEnergy": 0.000001
                                    }
                                  },
                                  {
                                    "name": "guitar",
                                    "preserved": true,
                                    "floors": {
                                      "rms": 0.0005,
                                      "peak": 0.001,
                                      "totalEnergy": 0.000001
                                    },
                                    "baseline": {
                                      "rms": 0.0407,
                                      "peak": 0.2284,
                                      "totalEnergy": 0.000298
                                    },
                                    "candidate": {
                                      "rms": 0.0376,
                                      "peak": 0.2109,
                                      "totalEnergy": 0.000254
                                    }
                                  }
                                ],
                                "requiredEnergyFloorsPreserved": true,
                                "guardrails": {
                                  "clipping": false,
                                  "lowLevel": false,
                                  "headroomDb": 2.34,
                                  "minHeadroomDb": 0.5,
                                  "headroomOk": true,
                                  "violated": []
                                }
                              },
                              {
                                "name": "vocalEntry",
                                "label": "Vocal Entry",
                                "baseline": {
                                  "rms": 0.2921,
                                  "peak": 0.7726,
                                  "totalEnergy": 0.015827,
                                  "loudnessStyleLufs": -11.38,
                                  "headroomDb": 2.24,
                                  "clipping": false,
                                  "lowLevel": false
                                },
                                "candidate": {
                                  "rms": 0.2904,
                                  "peak": 0.7619,
                                  "totalEnergy": 0.015761,
                                  "loudnessStyleLufs": -11.43,
                                  "headroomDb": 2.36,
                                  "clipping": false,
                                  "lowLevel": false
                                },
                                "delta": {
                                  "rms": -0.0017,
                                  "peak": -0.0107,
                                  "totalEnergy": -0.000066,
                                  "loudnessStyleLufs": -0.05,
                                  "headroomDb": 0.12
                                },
                                "trackedInstruments": [
                                  {
                                    "name": "guitar",
                                    "baseline": {
                                      "rms": 0.0517,
                                      "peak": 0.2756,
                                      "totalEnergy": 0.000451
                                    },
                                    "candidate": {
                                      "rms": 0.0477,
                                      "peak": 0.2546,
                                      "totalEnergy": 0.000385
                                    },
                                    "delta": {
                                      "rms": -0.004,
                                      "peak": -0.021,
                                      "totalEnergy": -0.000066
                                    }
                                  }
                                ],
                                "requiredEnergyFloors": [
                                  {
                                    "name": "rhythmSynth",
                                    "preserved": true,
                                    "floors": {
                                      "rms": 0.0005,
                                      "peak": 0.001,
                                      "totalEnergy": 0.000001
                                    },
                                    "baseline": {
                                      "rms": 0.0094,
                                      "peak": 0.024,
                                      "totalEnergy": 0.000015
                                    },
                                    "candidate": {
                                      "rms": 0.0094,
                                      "peak": 0.024,
                                      "totalEnergy": 0.000015
                                    }
                                  }
                                ],
                                "requiredEnergyFloorsPreserved": true,
                                "guardrails": {
                                  "clipping": false,
                                  "lowLevel": false,
                                  "headroomDb": 2.36,
                                  "minHeadroomDb": 0.5,
                                  "headroomOk": true,
                                  "violated": []
                                }
                              }
                            ],
                            "requiredSectionEnergyFloorsPreserved": true,
                            "guardrailsPreserved": true,
                            "violationCount": 0,
                            "averageAbsLoudnessDelta": 0.24,
                            "averageAbsEnergyDelta": 0.000055,
                            "floors": {
                              "requiredRmsFloor": 0.0005,
                              "requiredPeakFloor": 0.001,
                              "requiredTotalEnergyFloor": 0.000001,
                              "minHeadroomDb": 0.5
                            },
                            "trackedInstruments": [
                              "guitar"
                            ],
                            "boundary": "Loudness-style and section-energy metrics rank candidates for review; they do not prove subjective mix quality."
                          },
                          "summary": {
                            "status": "passed",
                            "windowCount": 2,
                            "findingCount": 0,
                            "mixProfile": {
                              "id": "monkberry-moon-delight-eq-lane-mix-v7",
                              "label": "Monkberry humanized EQ mix",
                              "mixerLevels": {
                                "kick": 0.9,
                                "snare": 0.67,
                                "hat": 0.34,
                                "clap": 0.27,
                                "rim": 0.29,
                                "bass": 0.62,
                                "chord": 0.16,
                                "guitar": 0.65,
                                "rhythmSynth": 0.84
                              }
                            }
                          }
                        },
                        {
                          "index": 2,
                          "label": "guitar -0.10",
                          "status": "supported",
                          "classification": null,
                          "claim": "Setting guitar level from 0.65 to 0.55 changes rendered guitar metrics while preserving Neon proof invariants.",
                          "action": {
                            "type": "set_mixer_level",
                            "track": "guitar",
                            "from": 0.65,
                            "to": 0.55,
                            "delta": -0.1
                          },
                          "rankingMetric": 62.7352,
                          "receipts": [
                            {
                              "name": "mixer_edit_accepted",
                              "ok": true
                            },
                            {
                              "name": "candidate_track_matches_requested_intent",
                              "ok": true
                            },
                            {
                              "name": "candidate_direction_matches_requested_intent",
                              "ok": true
                            },
                            {
                              "name": "contract_mixer_level_reflects_action",
                              "ok": true
                            },
                            {
                              "name": "rendered_target_metric_changed",
                              "ok": true
                            },
                            {
                              "name": "required_instruments_preserved",
                              "ok": true
                            },
                            {
                              "name": "section_energy_floors_preserved",
                              "ok": true
                            },
                            {
                              "name": "no_clipping",
                              "ok": true
                            },
                            {
                              "name": "headroom_guardrail_preserved",
                              "ok": true
                            },
                            {
                              "name": "no_low_level_proof_window",
                              "ok": true
                            }
                          ],
                          "failedReceipts": [],
                          "guardrails": {
                            "mixerEditAccepted": true,
                            "candidateTrackMatchesRequestedIntent": true,
                            "candidateDirectionMatchesRequestedIntent": true,
                            "contractLevelReflected": true,
                            "renderedTargetMoved": true,
                            "requiredInstrumentsPreserved": true,
                            "requiredSectionEnergyFloorsPreserved": true,
                            "noClipping": true,
                            "headroomPreserved": true,
                            "noLowLevelProofWindow": true
                          },
                          "targetMovement": {
                            "track": "guitar",
                            "moved": true,
                            "deltas": {
                              "rms": -0.0071,
                              "peak": -0.03865,
                              "totalEnergy": -0.000106
                            },
                            "before": {
                              "track": "guitar",
                              "sampleCount": 2,
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                              "rms": 0.0462,
                              "peak": 0.252,
                              "totalEnergy": 0.000374
                            },
                            "after": {
                              "track": "guitar",
                              "sampleCount": 2,
                              "activeCount": 0,
                              "rms": 0.0391,
                              "peak": 0.21335,
                              "totalEnergy": 0.000268
                            }
                          },
                          "requestedIntentMatch": {
                            "track": {
                              "requestedTargetTracks": [
                                "guitar"
                              ],
                              "candidateTrack": "guitar",
                              "source": "explicit_args"
                            },
                            "direction": {
                              "requestedDirection": "down",
                              "candidateDelta": -0.1,
                              "source": "explicit_args"
                            }
                          },
                          "sectionHeuristicReviewMetric": 0.5111,
                          "sectionEnergyComparison": {
                            "version": "riddle-proof.audio-section-heuristics.v1",
                            "role": "metric_supported_review_order",
                            "sectionCount": 2,
                            "sections": [
                              {
                                "name": "introBed",
                                "label": "Intro Bed",
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                                  "loudnessStyleLufs": -19.75,
                                  "headroomDb": 2.22,
                                  "clipping": false,
                                  "lowLevel": false
                                },
                                "candidate": {
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                                  "headroomDb": 2.47,
                                  "clipping": false,
                                  "lowLevel": false
                                },
                                "delta": {
                                  "rms": -0.0111,
                                  "peak": -0.022,
                                  "totalEnergy": -0.000084,
                                  "loudnessStyleLufs": -0.91,
                                  "headroomDb": 0.25
                                },
                                "trackedInstruments": [
                                  {
                                    "name": "guitar",
                                    "baseline": {
                                      "rms": 0.0407,
                                      "peak": 0.2284,
                                      "totalEnergy": 0.000298
                                    },
                                    "candidate": {
                                      "rms": 0.0345,
                                      "peak": 0.1933,
                                      "totalEnergy": 0.000214
                                    },
                                    "delta": {
                                      "rms": -0.0062,
                                      "peak": -0.0351,
                                      "totalEnergy": -0.000084
                                    }
                                  }
                                ],
                                "requiredEnergyFloors": [
                                  {
                                    "name": "bass",
                                    "preserved": true,
                                    "floors": {
                                      "rms": 0.0005,
                                      "peak": 0.001,
                                      "totalEnergy": 0.000001
                                    },
                                    "baseline": {
                                      "rms": 0.0209,
                                      "peak": 0.0838,
                                      "totalEnergy": 0.000087
                                    },
                                    "candidate": {
                                      "rms": 0.0209,
                                      "peak": 0.0838,
                                      "totalEnergy": 0.000087
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                                  },
                                  {
                                    "name": "chord",
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                                    "floors": {
                                      "rms": 0.0005,
                                      "peak": 0.001,
                                      "totalEnergy": 0.000001
                                    },
                                    "baseline": {
                                      "rms": 0.0022,
                                      "peak": 0.0079,
                                      "totalEnergy": 0.000001
                                    },
                                    "candidate": {
                                      "rms": 0.0022,
                                      "peak": 0.0079,
                                      "totalEnergy": 0.000001
                                    }
                                  },
                                  {
                                    "name": "guitar",
                                    "preserved": true,
                                    "floors": {
                                      "rms": 0.0005,
                                      "peak": 0.001,
                                      "totalEnergy": 0.000001
                                    },
                                    "baseline": {
                                      "rms": 0.0407,
                                      "peak": 0.2284,
                                      "totalEnergy": 0.000298
                                    },
                                    "candidate": {
                                      "rms": 0.0345,
                                      "peak": 0.1933,
                                      "totalEnergy": 0.000214
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                                  }
                                ],
                                "requiredEnergyFloorsPreserved": true,
                                "guardrails": {
                                  "clipping": false,
                                  "lowLevel": false,
                                  "headroomDb": 2.47,
                                  "minHeadroomDb": 0.5,
                                  "headroomOk": true,
                                  "violated": []
                                }
                              },
                              {
                                "name": "vocalEntry",
                                "label": "Vocal Entry",
                                "baseline": {
                                  "rms": 0.2921,
                                  "peak": 0.7726,
                                  "totalEnergy": 0.015827,
                                  "loudnessStyleLufs": -11.38,
                                  "headroomDb": 2.24,
                                  "clipping": false,
                                  "lowLevel": false
                                },
                                "candidate": {
                                  "rms": 0.2888,
                                  "peak": 0.7508,
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                                  "loudnessStyleLufs": -11.48,
                                  "headroomDb": 2.49,
                                  "clipping": false,
                                  "lowLevel": false
                                },
                                "delta": {
                                  "rms": -0.0033,
                                  "peak": -0.0218,
                                  "totalEnergy": -0.000128,
                                  "loudnessStyleLufs": -0.1,
                                  "headroomDb": 0.25
                                },
                                "trackedInstruments": [
                                  {
                                    "name": "guitar",
                                    "baseline": {
                                      "rms": 0.0517,
                                      "peak": 0.2756,
                                      "totalEnergy": 0.000451
                                    },
                                    "candidate": {
                                      "rms": 0.0437,
                                      "peak": 0.2334,
                                      "totalEnergy": 0.000323
                                    },
                                    "delta": {
                                      "rms": -0.008,
                                      "peak": -0.0422,
                                      "totalEnergy": -0.000128
                                    }
                                  }
                                ],
                                "requiredEnergyFloors": [
                                  {
                                    "name": "rhythmSynth",
                                    "preserved": true,
                                    "floors": {
                                      "rms": 0.0005,
                                      "peak": 0.001,
                                      "totalEnergy": 0.000001
                                    },
                                    "baseline": {
                                      "rms": 0.0094,
                                      "peak": 0.024,
                                      "totalEnergy": 0.000015
                                    },
                                    "candidate": {
                                      "rms": 0.0094,
                                      "peak": 0.024,
                                      "totalEnergy": 0.000015
                                    }
                                  }
                                ],
                                "requiredEnergyFloorsPreserved": true,
                                "guardrails": {
                                  "clipping": false,
                                  "lowLevel": false,
                                  "headroomDb": 2.49,
                                  "minHeadroomDb": 0.5,
                                  "headroomOk": true,
                                  "violated": []
                                }
                              }
                            ],
                            "requiredSectionEnergyFloorsPreserved": true,
                            "guardrailsPreserved": true,
                            "violationCount": 0,
                            "averageAbsLoudnessDelta": 0.51,
                            "averageAbsEnergyDelta": 0.000106,
                            "floors": {
                              "requiredRmsFloor": 0.0005,
                              "requiredPeakFloor": 0.001,
                              "requiredTotalEnergyFloor": 0.000001,
                              "minHeadroomDb": 0.5
                            },
                            "trackedInstruments": [
                              "guitar"
                            ],
                            "boundary": "Loudness-style and section-energy metrics rank candidates for review; they do not prove subjective mix quality."
                          },
                          "summary": {
                            "status": "passed",
                            "windowCount": 2,
                            "findingCount": 0,
                            "mixProfile": {
                              "id": "monkberry-moon-delight-eq-lane-mix-v7",
                              "label": "Monkberry humanized EQ mix",
                              "mixerLevels": {
                                "kick": 0.9,
                                "snare": 0.67,
                                "hat": 0.34,
                                "clap": 0.27,
                                "rim": 0.29,
                                "bass": 0.62,
                                "chord": 0.16,
                                "guitar": 0.65,
                                "rhythmSynth": 0.84
                              }
                            }
                          }
                        },
                        {
                          "index": 3,
                          "label": "guitar -0.18",
                          "status": "supported",
                          "classification": null,
                          "claim": "Setting guitar level from 0.65 to 0.47 changes rendered guitar metrics while preserving Neon proof invariants.",
                          "action": {
                            "type": "set_mixer_level",
                            "track": "guitar",
                            "from": 0.65,
                            "to": 0.47,
                            "delta": -0.18
                          },
                          "rankingMetric": 63.6726,
                          "receipts": [
                            {
                              "name": "mixer_edit_accepted",
                              "ok": true
                            },
                            {
                              "name": "candidate_track_matches_requested_intent",
                              "ok": true
                            },
                            {
                              "name": "candidate_direction_matches_requested_intent",
                              "ok": true
                            },
                            {
                              "name": "contract_mixer_level_reflects_action",
                              "ok": true
                            },
                            {
                              "name": "rendered_target_metric_changed",
                              "ok": true
                            },
                            {
                              "name": "required_instruments_preserved",
                              "ok": true
                            },
                            {
                              "name": "section_energy_floors_preserved",
                              "ok": true
                            },
                            {
                              "name": "no_clipping",
                              "ok": true
                            },
                            {
                              "name": "headroom_guardrail_preserved",
                              "ok": true
                            },
                            {
                              "name": "no_low_level_proof_window",
                              "ok": true
                            }
                          ],
                          "failedReceipts": [],
                          "guardrails": {
                            "mixerEditAccepted": true,
                            "candidateTrackMatchesRequestedIntent": true,
                            "candidateDirectionMatchesRequestedIntent": true,
                            "contractLevelReflected": true,
                            "renderedTargetMoved": true,
                            "requiredInstrumentsPreserved": true,
                            "requiredSectionEnergyFloorsPreserved": true,
                            "noClipping": true,
                            "headroomPreserved": true,
                            "noLowLevelProofWindow": true
                          },
                          "targetMovement": {
                            "track": "guitar",
                            "moved": true,
                            "deltas": {
                              "rms": -0.01275,
                              "peak": -0.0697,
                              "totalEnergy": -0.000178
                            },
                            "before": {
                              "track": "guitar",
                              "sampleCount": 2,
                              "activeCount": 0,
                              "rms": 0.0462,
                              "peak": 0.252,
                              "totalEnergy": 0.000374
                            },
                            "after": {
                              "track": "guitar",
                              "sampleCount": 2,
                              "activeCount": 0,
                              "rms": 0.03345,
                              "peak": 0.1823,
                              "totalEnergy": 0.000196
                            }
                          },
                          "requestedIntentMatch": {
                            "track": {
                              "requestedTargetTracks": [
                                "guitar"
                              ],
                              "candidateTrack": "guitar",
                              "source": "explicit_args"
                            },
                            "direction": {
                              "requestedDirection": "down",
                              "candidateDelta": -0.18,
                              "source": "explicit_args"
                            }
                          },
                          "sectionHeuristicReviewMetric": 0.9518,
                          "sectionEnergyComparison": {
                            "version": "riddle-proof.audio-section-heuristics.v1",
                            "role": "metric_supported_review_order",
                            "sectionCount": 2,
                            "sections": [
                              {
                                "name": "introBed",
                                "label": "Intro Bed",
                                "baseline": {
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                                  "peak": 0.7747,
                                  "totalEnergy": 0.015805,
                                  "loudnessStyleLufs": -19.75,
                                  "headroomDb": 2.22,
                                  "clipping": false,
                                  "lowLevel": false
                                },
                                "candidate": {
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                                  "peak": 0.7334,
                                  "totalEnergy": 0.015663,
                                  "loudnessStyleLufs": -21.48,
                                  "headroomDb": 2.69,
                                  "clipping": false,
                                  "lowLevel": false
                                },
                                "delta": {
                                  "rms": -0.0202,
                                  "peak": -0.0413,
                                  "totalEnergy": -0.000142,
                                  "loudnessStyleLufs": -1.73,
                                  "headroomDb": 0.47
                                },
                                "trackedInstruments": [
                                  {
                                    "name": "guitar",
                                    "baseline": {
                                      "rms": 0.0407,
                                      "peak": 0.2284,
                                      "totalEnergy": 0.000298
                                    },
                                    "candidate": {
                                      "rms": 0.0295,
                                      "peak": 0.1652,
                                      "totalEnergy": 0.000156
                                    },
                                    "delta": {
                                      "rms": -0.0112,
                                      "peak": -0.0632,
                                      "totalEnergy": -0.000142
                                    }
                                  }
                                ],
                                "requiredEnergyFloors": [
                                  {
                                    "name": "bass",
                                    "preserved": true,
                                    "floors": {
                                      "rms": 0.0005,
                                      "peak": 0.001,
                                      "totalEnergy": 0.000001
                                    },
                                    "baseline": {
                                      "rms": 0.0209,
                                      "peak": 0.0838,
                                      "totalEnergy": 0.000087
                                    },
                                    "candidate": {
                                      "rms": 0.0209,
                                      "peak": 0.0838,
                                      "totalEnergy": 0.000087
                                    }
                                  },
                                  {
                                    "name": "chord",
                                    "preserved": true,
                                    "floors": {
                                      "rms": 0.0005,
                                      "peak": 0.001,
                                      "totalEnergy": 0.000001
                                    },
                                    "baseline": {
                                      "rms": 0.0022,
                                      "peak": 0.0079,
                                      "totalEnergy": 0.000001
                                    },
                                    "candidate": {
                                      "rms": 0.0022,
                                      "peak": 0.0079,
                                      "totalEnergy": 0.000001
                                    }
                                  },
                                  {
                                    "name": "guitar",
                                    "preserved": true,
                                    "floors": {
                                      "rms": 0.0005,
                                      "peak": 0.001,
                                      "totalEnergy": 0.000001
                                    },
                                    "baseline": {
                                      "rms": 0.0407,
                                      "peak": 0.2284,
                                      "totalEnergy": 0.000298
                                    },
                                    "candidate": {
                                      "rms": 0.0295,
                                      "peak": 0.1652,
                                      "totalEnergy": 0.000156
                                    }
                                  }
                                ],
                                "requiredEnergyFloorsPreserved": true,
                                "guardrails": {
                                  "clipping": false,
                                  "lowLevel": false,
                                  "headroomDb": 2.69,
                                  "minHeadroomDb": 0.5,
                                  "headroomOk": true,
                                  "violated": []
                                }
                              },
                              {
                                "name": "vocalEntry",
                                "label": "Vocal Entry",
                                "baseline": {
                                  "rms": 0.2921,
                                  "peak": 0.7726,
                                  "totalEnergy": 0.015827,
                                  "loudnessStyleLufs": -11.38,
                                  "headroomDb": 2.24,
                                  "clipping": false,
                                  "lowLevel": false
                                },
                                "candidate": {
                                  "rms": 0.2863,
                                  "peak": 0.7371,
                                  "totalEnergy": 0.015612,
                                  "loudnessStyleLufs": -11.55,
                                  "headroomDb": 2.65,
                                  "clipping": false,
                                  "lowLevel": false
                                },
                                "delta": {
                                  "rms": -0.0058,
                                  "peak": -0.0355,
                                  "totalEnergy": -0.000215,
                                  "loudnessStyleLufs": -0.17,
                                  "headroomDb": 0.41
                                },
                                "trackedInstruments": [
                                  {
                                    "name": "guitar",
                                    "baseline": {
                                      "rms": 0.0517,
                                      "peak": 0.2756,
                                      "totalEnergy": 0.000451
                                    },
                                    "candidate": {
                                      "rms": 0.0374,
                                      "peak": 0.1994,
                                      "totalEnergy": 0.000236
                                    },
                                    "delta": {
                                      "rms": -0.0143,
                                      "peak": -0.0762,
                                      "totalEnergy": -0.000215
                                    }
                                  }
                                ],
                                "requiredEnergyFloors": [
                                  {
                                    "name": "rhythmSynth",
                                    "preserved": true,
                                    "floors": {
                                      "rms": 0.0005,
                                      "peak": 0.001,
                                      "totalEnergy": 0.000001
                                    },
                                    "baseline": {
                                      "rms": 0.0094,
                                      "peak": 0.024,
                                      "totalEnergy": 0.000015
                                    },
                                    "candidate": {
                                      "rms": 0.0094,
                                      "peak": 0.024,
                                      "totalEnergy": 0.000015
                                    }
                                  }
                                ],
                                "requiredEnergyFloorsPreserved": true,
                                "guardrails": {
                                  "clipping": false,
                                  "lowLevel": false,
                                  "headroomDb": 2.65,
                                  "minHeadroomDb": 0.5,
                                  "headroomOk": true,
                                  "violated": []
                                }
                              }
                            ],
                            "requiredSectionEnergyFloorsPreserved": true,
                            "guardrailsPreserved": true,
                            "violationCount": 0,
                            "averageAbsLoudnessDelta": 0.95,
                            "averageAbsEnergyDelta": 0.000179,
                            "floors": {
                              "requiredRmsFloor": 0.0005,
                              "requiredPeakFloor": 0.001,
                              "requiredTotalEnergyFloor": 0.000001,
                              "minHeadroomDb": 0.5
                            },
                            "trackedInstruments": [
                              "guitar"
                            ],
                            "boundary": "Loudness-style and section-energy metrics rank candidates for review; they do not prove subjective mix quality."
                          },
                          "summary": {
                            "status": "passed",
                            "windowCount": 2,
                            "findingCount": 0,
                            "mixProfile": {
                              "id": "monkberry-moon-delight-eq-lane-mix-v7",
                              "label": "Monkberry humanized EQ mix",
                              "mixerLevels": {
                                "kick": 0.9,
                                "snare": 0.67,
                                "hat": 0.34,
                                "clap": 0.27,
                                "rim": 0.29,
                                "bass": 0.62,
                                "chord": 0.16,
                                "guitar": 0.65,
                                "rhythmSynth": 0.84
                              }
                            }
                          }
                        }
                      ],
                      "rejectedCandidates": [],
                      "ranking": {
                        "metric": "guardrail_preserving_section_energy_review_order",
                        "role": "review_order_only",
                        "lowerIsBetter": true,
                        "baselineCandidateRankingMetric": 61.6628,
                        "bestCandidateRankingMetric": 62.2099,
                        "rankingMetricDelta": -0.547,
                        "sectionHeuristics": {
                          "enabled": true,
                          "role": "metric_supported_review_order",
                          "loudnessStyle": "rms_dbfs_estimate",
                          "trackedInstruments": [
                            "guitar"
                          ],
                          "boundary": "Section-energy and loudness-style metrics rank candidates for review; they do not prove subjective mix quality."
                        }
                      },
                      "baseline": {
                        "status": "passed",
                        "windowCount": 2,
                        "findingCount": 0,
                        "mixProfile": {
                          "id": "monkberry-moon-delight-eq-lane-mix-v7",
                          "label": "Monkberry humanized EQ mix",
                          "mixerLevels": {
                            "kick": 0.9,
                            "snare": 0.67,
                            "hat": 0.34,
                            "clap": 0.27,
                            "rim": 0.29,
                            "bass": 0.62,
                            "chord": 0.16,
                            "guitar": 0.65,
                            "rhythmSynth": 0.84
                          }
                        }
                      },
                      "guardrails": {
                        "supportedClaimCandidateCount": 3,
                        "rejectedCandidateCount": 0,
                        "stateRestoredAfterLoop": true,
                        "noPermanentEditUnlessApplyBest": true,
                        "approvedCandidateApplied": null
                      },
                      "listenerPrompts": [
                        "Does the supported candidate match the requested musical intent?",
                        "Is the changed part better balanced in the proof window?",
                        "Did the proof window contain the musical material being judged?",
                        "Would another section or speaker profile change the listening decision?"
                      ],
                      "caveats": [
                        "This packet does not prove subjective mix quality.",
                        "A supported candidate proves objective receipts and guardrails only.",
                        "Ranking orders review; it is not a taste score.",
                        "Section-energy and loudness-style metrics are review aids, not proof that a candidate sounds better.",
                        "Keep or apply the candidate only after listening review."
                      ]
                    },
                    "restorationReceipt": {
                      "name": "state_restored_after_claim_candidate_loop",
                      "ok": true,
                      "expectedLevels": {
                        "guitar": 0.65
                      },
                      "observedLevels": {
                        "guitar": 0.65
                      }
                    },
                    "appliedCandidateReceipt": null,
                    "classification": null,
                    "caveats": [
                      "candidateRankingMetric is only a review-order hint",
                      "sectionEnergyComparison is a loudness-style and energy-floor review aid, not a taste score",
                      "claim verdicts come from receipts and invariants, not taste optimization",
                      "human listening review is required before accepting any musical change",
                      "candidate actions are transient unless applyBest is true"
                    ]
                  },
                  "return_summary": [
                    {
                      "label": "ok",
                      "path": "ok",
                      "exists": true,
                      "value": true
                    },
                    {
                      "label": "status",
                      "path": "status",
                      "exists": true,
                      "value": "claim_candidate_supported"
                    },
                    {
                      "label": "strategy",
                      "path": "strategy",
                      "exists": true,
                      "value": "mix-level-search"
                    },
                    {
                      "label": "best.claimVerdict.status",
                      "path": "best.claimVerdict.status",
                      "exists": true,
                      "value": "supported"
                    },
                    {
                      "label": "best.claimCandidate.action.track",
                      "path": "best.claimCandidate.action.track",
                      "exists": true,
                      "value": "guitar"
                    },
                    {
                      "label": "supportedClaimCandidateCount",
                      "path": "supportedClaimCandidateCount",
                      "exists": true,
                      "value": 3
                    },
                    {
                      "label": "humanReviewPacket.status",
                      "path": "humanReviewPacket.status",
                      "exists": true,
                      "value": "candidate_ready_for_listening_review"
                    },
                    {
                      "label": "humanReviewPacket.recommendation.candidate.action.track",
                      "path": "humanReviewPacket.recommendation.candidate.action.track",
                      "exists": true,
                      "value": "guitar"
                    },
                    {
                      "label": "humanReviewPacket.ranking.role",
                      "path": "humanReviewPacket.ranking.role",
                      "exists": true,
                      "value": "review_order_only"
                    },
                    {
                      "label": "humanReviewPacket.ranking.metric",
                      "path": "humanReviewPacket.ranking.metric",
                      "exists": true,
                      "value": "guardrail_preserving_section_energy_review_order"
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                                0.8,
                                0
                              ],
                              "snare": [
                                -6,
                                -2.5,
                                1.4,
                                -3,
                                -0.6,
                                1.4,
                                0.4,
                                -1.8
                              ],
                              "hat": [
                                -12,
                                -12,
                                -12,
                                -10,
                                -7,
                                -2.5,
                                -2.2,
                                -1.1
                              ],
                              "clap": [
                                -12,
                                -8,
                                -4,
                                -1.5,
                                0.8,
                                0,
                                -1,
                                -2
                              ],
                              "rim": [
                                -12,
                                -8,
                                -3.5,
                                -1.2,
                                0,
                                -0.5,
                                -1.2,
                                -2
                              ],
                              "bass": [
                                -1.2,
                                2.8,
                                -1.4,
                                -4.8,
                                -6,
                                -8,
                                -10,
                                -10
                              ],
                              "chord": [
                                -8,
                                -2.8,
                                -4.8,
                                -0.8,
                                -1,
                                -2.8,
                                -4.8,
                                -6.5
                              ],
                              "guitar": [
                                -8,
                                -4.8,
                                -3.4,
                                -2.2,
                                1.2,
                                1.4,
                                0.2,
                                -1.8
                              ],
                              "rhythmSynth": [
                                -10,
                                -6,
                                -3.8,
                                -1.6,
                                0.8,
                                1.8,
                                0,
                                -2.8
                              ]
                            },
                            "mixLanes": {
                              "kick": "Sub thump around 60 Hz with most low-mid box removed.",
                              "bass": "Bass foundation around 80-160 Hz with more 120 Hz body for small speakers.",
                              "snare": "Backbeat body near 250 Hz with controlled upper presence.",
                              "hat": "Soft high pulse, trimmed in brittle 4-8 kHz bands.",
                              "chord": "Darker pad bed with more room depth and less plasticky top.",
                              "guitar": "Mid/presence lane around 1-2 kHz, wider than the pad and glued into the shared music bus.",
                              "rhythmSynth": "Vocal melody lane in the upper mids, forward enough to survive the small-speaker monitor without crowding 1 kHz."
                            }
                          },
                          "trackRoles": {
                            "kick": "Drum low end",
                            "snare": "Backbeat",
                            "hat": "Pulse",
                            "clap": "Cymbal accents",
                            "rim": "Toms",
                            "bass": "With-vocal bass foundation",
                            "chord": "Reduced harmony bed",
                            "guitar": "Lead and rhythm guitars",
                            "rhythmSynth": "With-vocal top line"
                          },
                          "activeCounts": {
                            "drums": 208,
                            "bass": 68,
                            "chord": 84,
                            "guitar": 639,
                            "rhythmSynth": 77
                          },
                          "activeRows": {
                            "drums": 3,
                            "bass": 6,
                            "chord": 10,
                            "guitar": 16
                          },
                          "mixerLevels": {
                            "kick": 0.9,
                            "snare": 0.67,
                            "hat": 0.34,
                            "clap": 0.27,
                            "rim": 0.29,
                            "bass": 0.62,
                            "chord": 0.16,
                            "guitar": 0.65,
                            "rhythmSynth": 0.84
                          },
                          "eqSettings": {
                            "kick": [
                              2.2,
                              -0.8,
                              -3.2,
                              -4.5,
                              -5.5,
                              -5,
                              0.8,
                              0
                            ],
                            "snare": [
                              -6,
                              -2.5,
                              1.4,
                              -3,
                              -0.6,
                              1.4,
                              0.4,
                              -1.8
                            ],
                            "hat": [
                              -12,
                              -12,
                              -12,
                              -10,
                              -7,
                              -2.5,
                              -2.2,
                              -1.1
                            ],
                            "clap": [
                              -12,
                              -8,
                              -4,
                              -1.5,
                              0.8,
                              0,
                              -1,
                              -2
                            ],
                            "rim": [
                              -12,
                              -8,
                              -3.5,
                              -1.2,
                              0,
                              -0.5,
                              -1.2,
                              -2
                            ],
                            "bass": [
                              -1.2,
                              2.8,
                              -1.4,
                              -4.8,
                              -6,
                              -8,
                              -10,
                              -10
                            ],
                            "chord": [
                              -8,
                              -2.8,
                              -4.8,
                              -0.8,
                              -1,
                              -2.8,
                              -4.8,
                              -6.5
                            ],
                            "guitar": [
                              -8,
                              -4.8,
                              -3.4,
                              -2.2,
                              1.2,
                              1.4,
                              0.2,
                              -1.8
                            ],
                            "rhythmSynth": [
                              -10,
                              -6,
                              -3.8,
                              -1.6,
                              0.8,
                              1.8,
                              0,
                              -2.8
                            ]
                          },
                          "panSettings": {
                            "kick": 0,
                            "snare": 0.03,
                            "hat": 0.24,
                            "clap": -0.18,
                            "rim": 0.16,
                            "bass": -0.01,
                            "chord": -0.22,
                            "guitar": 0.26,
                            "rhythmSynth": 0.02
                          },
                          "delaySettings": {
                            "chord": {
                              "enabled": true,
                              "time": 0.29,
                              "feedback": 0.12,
                              "mix": 0.1
                            },
                            "guitar": {
                              "enabled": true,
                              "time": 0.19,
                              "feedback": 0.16,
                              "mix": 0.11
                            },
                            "rhythmSynth": {
                              "enabled": true,
                              "time": 0.24,
                              "feedback": 0.1,
                              "mix": 0.07
                            }
                          },
                          "synthParams": {
                            "bass": {
                              "waveform": "triangle",
                              "filterCutoff": 220,
                              "filterQ": 0.92,
                              "attack": 0.035,
                              "release": 0.56,
                              "peakGain": 0.25,
                              "sustainGain": 0.14,
                              "secondaryWaveform": "sawtooth",
                              "secondaryGain": 0.22,
                              "secondaryDetune": -5,
                              "filterEnvStart": 640,
                              "filterEnvDecay": 0.23,
                              "decay": 0.26,
                              "subGain": 0.08,
                              "drive": 0.68
                            },
                            "chord": {
                              "style": "dark",
                              "oscType": "triangle",
                              "oscType2": "sine",
                              "filterCutoff": 500,
                              "filterSettleRatio": 0.86,
                              "attack": 0.48,
                              "release": 1.9,
                              "gain": 0.22,
                              "noteAttack": 0.06,
                              "noteDecay": 0.22,
                              "noteSustain": 0.42,
                              "noteRelease": 0.7,
                              "noteFilterCutoff": 1350,
                              "noteFilterEndRatio": 0.24,
                              "noteDetuneRange": 3.6
                            },
                            "guitar": {
                              "oscType": "sawtooth",
                              "lowpassFreq": 2600,
                              "wahFreqStart": 560,
                              "wahFreqPeak": 1180,
                              "wahFreqEnd": 700,
                              "peakGain": 0.104,
                              "release": 0.56,
                              "detuneRange": 5,
                              "wahQ": 0.68,
                              "stringDamping": 0.5,
                              "attack": 0.015,
                              "spreadRatio": 0.2,
                              "pickNoiseGain": 0.045,
                              "pickFilterFreq": 2500,
                              "pickDecay": 0.019,
                              "bodyFreq": 620,
                              "bodyQ": 1.15,
                              "bodyGain": 2.8
                            },
                            "rhythmSynth": {
                              "oscType": "triangle",
                              "filterCutoff": 1860,
                              "filterQ": 0.72,
                              "attack": 0.038,
                              "peakGain": 0.112,
                              "decay": 0.22,
                              "sustainGain": 0.064,
                              "release": 0.66,
                              "source": "voice_oohs",
                              "oscType2": "sine",
                              "osc2Gain": 0.22,
                              "osc2Detune": 3,
                              "transpose": 12,
                              "filterEnvStart": 2650,
                              "filterEnvDecay": 0.2,
                              "highpassFreq": 260,
                              "drive": 0.12,
                              "vibratoDepth": 8,
                              "vibratoRate": 4.7,
                              "vibratoDelay": 0.11,
                              "formantFreq": 1120,
                              "formantQ": 0.85,
                              "formantGain": 0.8
                            },
                            "humanize": {
                              "enabled": true,
                              "seed": "monkberry-humanized-v1",
                              "timingMs": 8,
                              "velocity": 0.075,
                              "swing": 0.055,
                              "instrumentDelayMs": {
                                "kick": 0,
                                "snare": 7,
                                "hat": 3,
                                "clap": 10,
                                "rim": 6,
                                "bass": 2,
                                "chord": 5,
                                "guitar": 9,
                                "rhythmSynth": 12
                              }
                            },
                            "drums": {
                              "kick": {
                                "freqStart": 118,
                                "freqEnd": 43,
                                "pitchDecay": 0.17,
                                "decay": 0.28,
                                "gain": 0.96,
                                "clickGain": 0.018,
                                "clickDecay": 0.012,
                                "drive": 0.9
                              },
                              "snare": {
                                "noiseFilterFreq": 520,
                                "noiseGain": 0.18,
                                "noiseDecay": 0.22,
                                "toneFreq": 190,
                                "toneGain": 0.25,
                                "toneDecay": 0.22
                              },
                              "hat": {
                                "filterFreq": 6100,
                                "gain": 0.115,
                                "decay": 0.105
                              },
                              "clap": {
                                "filterFreq": 1120,
                                "gain": 0.16,
                                "burstDecay": 0.095
                              },
                              "rim": {
                                "noiseFilterFreq": 1800,
                                "noiseGain": 0.09,
                                "noiseDecay": 0.075,
                                "toneFreq": 410,
                                "toneGain": 0.06,
                                "toneDecay": 0.08
                              }
                            },
                            "ambience": {
                              "enabled": true,
                              "room": {
                                "enabled": true,
                                "seconds": 0.46,
                                "decay": 2.25,
                                "gain": 0.11,
                                "preDelay": 0.014,
                                "highpass": 220,
                                "lowpass": 5400
                              },
                              "plate": {
                                "enabled": true,
                                "seconds": 1.05,
                                "decay": 2.85,
                                "gain": 0.08,
                                "preDelay": 0.038,
                                "highpass": 560,
                                "lowpass": 4600
                              },
                              "sends": {
                                "kick": {
                                  "room": 0.008
                                },
                                "snare": {
                                  "room": 0.16,
                                  "plate": 0.055
                                },
                                "hat": {
                                  "room": 0.026
                                },
                                "clap": {
                                  "room": 0.12,
                                  "plate": 0.045
                                },
                                "rim": {
                                  "room": 0.08
                                },
                                "bass": {
                                  "room": 0.016
                                },
                                "chord": {
                                  "room": 0.11,
                                  "plate": 0.085
                                },
                                "guitar": {
                                  "room": 0.115,
                                  "plate": 0.09
                                },
                                "rhythmSynth": {
                                  "room": 0.06,
                                  "plate": 0.13
                                }
                              }
                            },
                            "groupBuses": {
                              "music": {
                                "enabled": true,
                                "gain": 1,
                                "drive": 1.12,
                                "highpass": 170,
                                "lowpass": 6200,
                                "lowshelfFreq": 240,
                                "lowshelfGain": -0.4,
                                "presenceFreq": 2150,
                                "presenceQ": 0.95,
                                "presenceGain": -0.7,
                                "highshelfFreq": 4700,
                                "highshelfGain": -1.1,
                                "compressor": {
                                  "threshold": -22,
                                  "ratio": 2.4,
                                  "attack": 0.014,
                                  "release": 0.26,
                                  "knee": 20
                                }
                              }
                            }
                          }
                        },
                        "supportsOfflineAudio": true
                      }
                    }
                  },
                  "return_summary": [
                    {
                      "label": "available",
                      "path": "available",
                      "exists": true,
                      "value": true
                    },
                    {
                      "label": "diagnostic.selectedSong.selectedSong",
                      "path": "diagnostic.selectedSong.selectedSong",
                      "exists": true,
                      "value": "Monkberry Moon Delight (Tab)"
                    }
                  ]
                }
              ],
              "deterministic_runtime_total": 0,
              "deterministic_runtime_truncated": false,
              "deterministic_runtime": [],
              "set_range_value_total": 0,
              "set_range_value_truncated": false,
              "set_range_value": [],
              "drag_total": 0,
              "drag_truncated": false,
              "drag": [],
              "tap_total": 0,
              "tap_truncated": false,
              "tap": [],
              "tap_until_total": 0,
              "tap_until_tap_total": 0,
              "tap_until_truncated": false,
              "tap_until": [],
              "keyboard_total": 0,
              "keyboard_truncated": false,
              "keyboard": [],
              "canvas_signature_total": 0,
              "canvas_signature_truncated": false,
              "canvas_signature": [],
              "canvas_signature_stable_hash_groups": [],
              "clicked": [],
              "text_samples": [],
              "failed": [],
              "optional_failed": []
            }
          ]
        },
        "failed": []
      }
    },
    {
      "type": "route_loaded",
      "label": "route_loaded",
      "status": "passed",
      "evidence": {
        "expected_path": "/games/drum-sequencer",
        "observed_paths": [
          "/games/drum-sequencer"
        ],
        "http_statuses": [
          200
        ],
        "route_errors": [
          null
        ]
      }
    },
    {
      "type": "selector_visible",
      "label": "selector_visible",
      "status": "passed",
      "evidence": {
        "selector": ".drum-sequencer h1",
        "visible_counts": [
          1
        ]
      }
    },
    {
      "type": "no_horizontal_overflow",
      "label": "no_horizontal_overflow",
      "status": "passed",
      "evidence": {
        "max_overflow_px": 4,
        "overflow_px": [
          0
        ],
        "bounds_overflow_px": [
          0
        ],
        "overflow_offender_counts": [
          0
        ],
        "viewports": [
          "desktop"
        ]
      }
    },
    {
      "type": "no_fatal_console_errors",
      "label": "no_fatal_console_errors",
      "status": "passed",
      "evidence": {
        "console_fatal_count": 0,
        "page_error_count": 0,
        "total_console_fatal_count": 0,
        "total_page_error_count": 0,
        "allowed_console_fatal_count": 0,
        "explicitly_allowed_console_fatal_count": 0,
        "allowed_expected_network_mock_console_count": 0,
        "allowed_expected_network_mock_console_events": [],
        "allowed_page_error_count": 0,
        "allowed_console_texts": [],
        "allowed_console_patterns": [],
        "allowed_page_error_texts": [],
        "allowed_page_error_patterns": []
      }
    }
  ],
  "summary": "lilarcade-neon-ratchet-loop-mix-level-search-generated-prelim-candidate passed 5 check(s) across 1 viewport(s) (desktop).",
  "captured_at": "2026-05-25T06:00:03.522Z",
  "metadata": {
    "pack_id": "neon_step_sequencer",
    "pack_public_name": "Neon Step Sequencer Pack",
    "evidence_role_pattern": "interaction_snapshots",
    "purpose": "Run a bounded loop that tests Neon mix-level change-claim candidates using the mix-level-search strategy. Generated for a narrower local preliminary loop; promotion presets still use the full profile unless explicitly overridden.",
    "required_receipts": [
      "ratchet loop returns ok",
      "baseline proof-window summary is captured",
      "claim candidates are captured",
      "each candidate records claim receipts",
      "each candidate records section-by-section energy and loudness-style comparisons",
      "best supported claim candidate or human-review status is captured",
      "compact human-review packet is captured",
      "state restoration receipt is captured"
    ],
    "does_not_prove": [
      "subjective mix quality",
      "that a supported claim candidate should be kept",
      "all possible mix edits"
    ],
    "local_profile_note": "A no-candidate needs_followup packet is a valid review artifact; approved-candidate and durable patch steps must require an explicit recommendation.",
    "source_pack_profile": "neon-step-sequencer-ratchet-loop-mix-level-search",
    "generated_by": "lilarcade.neon-ratchet-batch",
    "generated_profile_source": ".riddle-proof/profiles/neon-ratchet-loop-mix-level-search.json",
    "generated_preset": "prelim-candidate",
    "ratchet_intent": "turn the guitar part down a little",
    "ratchet_focus_tracks": [
      "guitar"
    ],
    "ratchet_target_tracks": [
      "guitar"
    ],
    "ratchet_direction": "down",
    "ratchet_max_iterations": 3
  },
  "evidence": {
    "version": "riddle-proof.profile-evidence.v1",
    "profile_name": "lilarcade-neon-ratchet-loop-mix-level-search-generated-prelim-candidate",
    "target_url": "https://main.dlwavl00q582x.amplifyapp.com/games/drum-sequencer?song=monkberry-moon-delight-tab&mix=profile&view=trainer&instrument=bass",
    "baseline_policy": "invariant_only",
    "captured_at": "2026-05-25T06:00:03.522Z",
    "viewports": [
      {
        "name": "desktop",
        "width": 1440,
        "height": 1000,
        "url": "https://main.dlwavl00q582x.amplifyapp.com/games/drum-sequencer?song=monkberry-moon-delight-tab&mix=profile&view=trainer&instrument=bass",
        "route": {
          "requested": "https://main.dlwavl00q582x.amplifyapp.com/games/drum-sequencer?song=monkberry-moon-delight-tab&mix=profile&view=trainer&instrument=bass",
          "observed": "/games/drum-sequencer",
          "expected_path": "/games/drum-sequencer",
          "matched": true,
          "http_status": 200
        },
        "title": "LilArcade",
        "body_text_length": 2149,
        "body_text_sample": "🕹️ LilArcade RHYTHM LAB Neon Step Sequencer Paint a 4-bar, 64-step loop and keep the arcade pulsing. My Sequences MONKBERRY MOON DELIGHT Bass Trainer Open Playalong Play All Shuffle Clear Debug Meters Off Verbose Off Auto-Mix Pass Auto-mix ready VERBOSE LOGS TEMPO 98 BPM Audio ready SONG Blank Yakety Yak (Dark) (G) Monkberry Moon Delight (Sheet) (C minor) Monkberry Moon Delight (Full OMR) (C minor) Monkberry Moon Delight (Tab) (C minor) Dark Progression (Em) Midnight Protocol (Am) INSTRUMENT LANES Power, source, mix, and editor focus in one place ON DRUMS Kick, snare, hat, clap, rim 208 HITS DRUM SOURCE Sampled Kit Samples + Synth Synth Drums LEVEL 0.49X Mute Sampled Kit Kick 0.90x Snare 0.67x Hat 0.34x Clap 0.27x Rim 0.29x ON BASS Low end foundation 68 NOTES BASS INSTRUMENT Dub Bass Electric Bass + Sub Electric Bass Finger Bass (SoundFont) Synth Bass LEVEL 0.62X PAN 0.01L Mute TONE Electric Bass + Sub ON VOCAL MELODY Vocal melody line 77 NOTES VOCAL INSTRUMENT Synth Vocal Voice Oohs Choir Aahs Voice Lead Synth Choir LEVEL 0.84X PAN 0.02R DELAY 0.07 Mute TONE Voice Oohs ON PAD / KEYS Harmony bed 84 NOTES KEYS INSTRUMENT Piano + Pad Piano Synth Pad LEVEL 0.16X PAN 0.22L DELAY 0.10 Mute TONE Piano + Pad ON GUITAR / LEAD LINE Hooks and strums 639 NOTES GUITAR INSTRUMENT Guitar + Synth Electric Guitar Synth Lead Line LEVEL 0.65X PAN 0.26R DELAY 0.11 Mute TONE Guitar + Synth PART: A B C D E F G H I + ARRANGEMENT 1 A B C D E F G H I · · · · · · · 17 · · · · · · · · · · · · · · · · 33 · · · · · · · · · · · · · · · · 49 · · · · · · · · · · · · · · · · FOCUS Mix Drums Bass Vocal Melody Pad Guitar Trainer Meters BAR − 16 + 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 INSTRUMENT TRAINER 68 notes in part A PART A PLAYING Bass INSTRUMENT Drums Bass Vocal Melody Pad / Keys Guitar / Lead Line WINDOW 1 bar 2 bars 4 bars Full Mix Focus Up Solo Pick a part, slow the tempo, and ride the hit line. Use the bar buttons above to jump sections. F1 F#1 G1 G#1 A1 A#1 B1 C2 C#2 D2 F1 F#1 C2 C#2 D2 BAR 1 BAR 2 BAR 3 C2 G1 C2 G1 C2 G1 C2 G1 C2 HIT LINE Tip: layer a simple kick on 1/5/9/13 and sprinkle hats in between. Works best with headphones.",
        "scroll_width": 1440,
        "client_width": 1440,
        "overflow_px": 0,
        "bounds_overflow_px": 0,
        "overflow_offenders": [],
        "selectors": {
          ".drum-sequencer h1": {
            "count": 1,
            "visible_count": 1
          }
        },
        "frames": {},
        "text_sequences": {},
        "text_matches": {},
        "text_match_samples": {},
        "text_case_insensitive_samples": {},
        "observations": {},
        "http_statuses": {},
        "link_statuses": {},
        "setup_action_results": [
          {
            "ok": true,
            "action": "window_eval",
            "ordinal": 0,
            "selector": null,
            "frame_selector": null,
            "optional": false,
            "script_length": 236,
            "arg_count": 0,
            "returned": {
              "available": true,
              "diagnostic": {
                "version": "neon-step-sequencer.capture-diagnostic.v1",
                "target": "neon-step-sequencer",
                "capturedAt": "2026-05-25T06:00:04.808Z",
                "routeState": {
                  "proofKind": "neon-route-state",
                  "route": "/games/drum-sequencer",
                  "mode": "song",
                  "selectedSong": "Monkberry Moon Delight (Tab)",
                  "selectedPartIndex": 0
                },
                "selectedSong": {
                  "proofKind": "neon-selected-song",
                  "selectedSong": "Monkberry Moon Delight (Tab)",
                  "partCount": 9,
                  "mixProfile": {
                    "id": "monkberry-moon-delight-eq-lane-mix-v7",
                    "label": "Monkberry humanized EQ mix",
                    "description": "Humanized imported-tab mix with softer vocal formants, fuller bass harmonics, darker pads, and a deeper shared room/plate space.",
                    "mixerLevels": {
                      "kick": 0.9,
                      "snare": 0.67,
                      "hat": 0.34,
                      "clap": 0.27,
                      "rim": 0.29,
                      "bass": 0.62,
                      "chord": 0.16,
                      "guitar": 0.65,
                      "rhythmSynth": 0.84
                    },
                    "proofWindows": [
                      {
                        "name": "introBed",
                        "label": "Intro Bed",
                        "bars": 1,
                        "seed": "riddle-sequencer-bed",
                        "requiredActive": [
                          "bass",
                          "chord",
                          "guitar"
                        ]
                      },
                      {
                        "name": "vocalEntry",
                        "label": "Vocal Entry",
                        "bars": 3,
                        "seed": "riddle-sequencer-vocal-melody",
                        "requiredActive": [
                          "rhythmSynth"
                        ]
                      }
                    ],
                    "eqSettings": {
                      "kick": [
                        2.2,
                        -0.8,
                        -3.2,
                        -4.5,
                        -5.5,
                        -5,
                        0.8,
                        0
                      ],
                      "snare": [
                        -6,
                        -2.5,
                        1.4,
                        -3,
                        -0.6,
                        1.4,
                        0.4,
                        -1.8
                      ],
                      "hat": [
                        -12,
                        -12,
                        -12,
                        -10,
                        -7,
                        -2.5,
                        -2.2,
                        -1.1
                      ],
                      "clap": [
                        -12,
                        -8,
                        -4,
                        -1.5,
                        0.8,
                        0,
                        -1,
                        -2
                      ],
                      "rim": [
                        -12,
                        -8,
                        -3.5,
                        -1.2,
                        0,
                        -0.5,
                        -1.2,
                        -2
                      ],
                      "bass": [
                        -1.2,
                        2.8,
                        -1.4,
                        -4.8,
                        -6,
                        -8,
                        -10,
                        -10
                      ],
                      "chord": [
                        -8,
                        -2.8,
                        -4.8,
                        -0.8,
                        -1,
                        -2.8,
                        -4.8,
                        -6.5
                      ],
                      "guitar": [
                        -8,
                        -4.8,
                        -3.4,
                        -2.2,
                        1.2,
                        1.4,
                        0.2,
                        -1.8
                      ],
                      "rhythmSynth": [
                        -10,
                        -6,
                        -3.8,
                        -1.6,
                        0.8,
                        1.8,
                        0,
                        -2.8
                      ]
                    },
                    "mixLanes": {
                      "kick": "Sub thump around 60 Hz with most low-mid box removed.",
                      "bass": "Bass foundation around 80-160 Hz with more 120 Hz body for small speakers.",
                      "snare": "Backbeat body near 250 Hz with controlled upper presence.",
                      "hat": "Soft high pulse, trimmed in brittle 4-8 kHz bands.",
                      "chord": "Darker pad bed with more room depth and less plasticky top.",
                      "guitar": "Mid/presence lane around 1-2 kHz, wider than the pad and glued into the shared music bus.",
                      "rhythmSynth": "Vocal melody lane in the upper mids, forward enough to survive the small-speaker monitor without crowding 1 kHz."
                    }
                  }
                },
                "mixerState": {
                  "proofKind": "neon-mixer-state",
                  "levels": {
                    "kick": 0.9,
                    "snare": 0.67,
                    "hat": 0.34,
                    "clap": 0.27,
                    "rim": 0.29,
                    "bass": 0.62,
                    "chord": 0.16,
                    "guitar": 0.65,
                    "rhythmSynth": 0.84
                  },
                  "eqSettings": {
                    "kick": [
                      2.2,
                      -0.8,
                      -3.2,
                      -4.5,
                      -5.5,
                      -5,
                      0.8,
                      0
                    ],
                    "snare": [
                      -6,
                      -2.5,
                      1.4,
                      -3,
                      -0.6,
                      1.4,
                      0.4,
                      -1.8
                    ],
                    "hat": [
                      -12,
                      -12,
                      -12,
                      -10,
                      -7,
                      -2.5,
                      -2.2,
                      -1.1
                    ],
                    "clap": [
                      -12,
                      -8,
                      -4,
                      -1.5,
                      0.8,
                      0,
                      -1,
                      -2
                    ],
                    "rim": [
                      -12,
                      -8,
                      -3.5,
                      -1.2,
                      0,
                      -0.5,
                      -1.2,
                      -2
                    ],
                    "bass": [
                      -1.2,
                      2.8,
                      -1.4,
                      -4.8,
                      -6,
                      -8,
                      -10,
                      -10
                    ],
                    "chord": [
                      -8,
                      -2.8,
                      -4.8,
                      -0.8,
                      -1,
                      -2.8,
                      -4.8,
                      -6.5
                    ],
                    "guitar": [
                      -8,
                      -4.8,
                      -3.4,
                      -2.2,
                      1.2,
                      1.4,
                      0.2,
                      -1.8
                    ],
                    "rhythmSynth": [
                      -10,
                      -6,
                      -3.8,
                      -1.6,
                      0.8,
                      1.8,
                      0,
                      -2.8
                    ]
                  },
                  "panSettings": {
                    "kick": 0,
                    "snare": 0.03,
                    "hat": 0.24,
                    "clap": -0.18,
                    "rim": 0.16,
                    "bass": -0.01,
                    "chord": -0.22,
                    "guitar": 0.26,
                    "rhythmSynth": 0.02
                  },
                  "delaySettings": {
                    "chord": {
                      "enabled": true,
                      "time": 0.29,
                      "feedback": 0.12,
                      "mix": 0.1
                    },
                    "guitar": {
                      "enabled": true,
                      "time": 0.19,
                      "feedback": 0.16,
                      "mix": 0.11
                    },
                    "rhythmSynth": {
                      "enabled": true,
                      "time": 0.24,
                      "feedback": 0.1,
                      "mix": 0.07
                    }
                  },
                  "synthParams": {
                    "bass": {
                      "waveform": "triangle",
                      "filterCutoff": 220,
                      "filterQ": 0.92,
                      "attack": 0.035,
                      "release": 0.56,
                      "peakGain": 0.25,
                      "sustainGain": 0.14,
                      "secondaryWaveform": "sawtooth",
                      "secondaryGain": 0.22,
                      "secondaryDetune": -5,
                      "filterEnvStart": 640,
                      "filterEnvDecay": 0.23,
                      "decay": 0.26,
                      "subGain": 0.08,
                      "drive": 0.68
                    },
                    "chord": {
                      "style": "dark",
                      "oscType": "triangle",
                      "oscType2": "sine",
                      "filterCutoff": 500,
                      "filterSettleRatio": 0.86,
                      "attack": 0.48,
                      "release": 1.9,
                      "gain": 0.22,
                      "noteAttack": 0.06,
                      "noteDecay": 0.22,
                      "noteSustain": 0.42,
                      "noteRelease": 0.7,
                      "noteFilterCutoff": 1350,
                      "noteFilterEndRatio": 0.24,
                      "noteDetuneRange": 3.6
                    },
                    "guitar": {
                      "oscType": "sawtooth",
                      "lowpassFreq": 2600,
                      "wahFreqStart": 560,
                      "wahFreqPeak": 1180,
                      "wahFreqEnd": 700,
                      "peakGain": 0.104,
                      "release": 0.56,
                      "detuneRange": 5,
                      "wahQ": 0.68,
                      "stringDamping": 0.5,
                      "attack": 0.015,
                      "spreadRatio": 0.2,
                      "pickNoiseGain": 0.045,
                      "pickFilterFreq": 2500,
                      "pickDecay": 0.019,
                      "bodyFreq": 620,
                      "bodyQ": 1.15,
                      "bodyGain": 2.8
                    },
                    "rhythmSynth": {
                      "oscType": "triangle",
                      "filterCutoff": 1860,
                      "filterQ": 0.72,
                      "attack": 0.038,
                      "peakGain": 0.112,
                      "decay": 0.22,
                      "sustainGain": 0.064,
                      "release": 0.66,
                      "source": "voice_oohs",
                      "oscType2": "sine",
                      "osc2Gain": 0.22,
                      "osc2Detune": 3,
                      "transpose": 12,
                      "filterEnvStart": 2650,
                      "filterEnvDecay": 0.2,
                      "highpassFreq": 260,
                      "drive": 0.12,
                      "vibratoDepth": 8,
                      "vibratoRate": 4.7,
                      "vibratoDelay": 0.11,
                      "formantFreq": 1120,
                      "formantQ": 0.85,
                      "formantGain": 0.8
                    },
                    "humanize": {
                      "enabled": true,
                      "seed": "monkberry-humanized-v1",
                      "timingMs": 8,
                      "velocity": 0.075,
                      "swing": 0.055,
                      "instrumentDelayMs": {
                        "kick": 0,
                        "snare": 7,
                        "hat": 3,
                        "clap": 10,
                        "rim": 6,
                        "bass": 2,
                        "chord": 5,
                        "guitar": 9,
                        "rhythmSynth": 12
                      }
                    },
                    "drums": {
                      "kick": {
                        "freqStart": 118,
                        "freqEnd": 43,
                        "pitchDecay": 0.17,
                        "decay": 0.28,
                        "gain": 0.96,
                        "clickGain": 0.018,
                        "clickDecay": 0.012,
                        "drive": 0.9
                      },
                      "snare": {
                        "noiseFilterFreq": 520,
                        "noiseGain": 0.18,
                        "noiseDecay": 0.22,
                        "toneFreq": 190,
                        "toneGain": 0.25,
                        "toneDecay": 0.22
                      },
                      "hat": {
                        "filterFreq": 6100,
                        "gain": 0.115,
                        "decay": 0.105
                      },
                      "clap": {
                        "filterFreq": 1120,
                        "gain": 0.16,
                        "burstDecay": 0.095
                      },
                      "rim": {
                        "noiseFilterFreq": 1800,
                        "noiseGain": 0.09,
                        "noiseDecay": 0.075,
                        "toneFreq": 410,
                        "toneGain": 0.06,
                        "toneDecay": 0.08
                      }
                    },
                    "ambience": {
                      "enabled": true,
                      "room": {
                        "enabled": true,
                        "seconds": 0.46,
                        "decay": 2.25,
                        "gain": 0.11,
                        "preDelay": 0.014,
                        "highpass": 220,
                        "lowpass": 5400
                      },
                      "plate": {
                        "enabled": true,
                        "seconds": 1.05,
                        "decay": 2.85,
                        "gain": 0.08,
                        "preDelay": 0.038,
                        "highpass": 560,
                        "lowpass": 4600
                      },
                      "sends": {
                        "kick": {
                          "room": 0.008
                        },
                        "snare": {
                          "room": 0.16,
                          "plate": 0.055
                        },
                        "hat": {
                          "room": 0.026
                        },
                        "clap": {
                          "room": 0.12,
                          "plate": 0.045
                        },
                        "rim": {
                          "room": 0.08
                        },
                        "bass": {
                          "room": 0.016
                        },
                        "chord": {
                          "room": 0.11,
                          "plate": 0.085
                        },
                        "guitar": {
                          "room": 0.115,
                          "plate": 0.09
                        },
                        "rhythmSynth": {
                          "room": 0.06,
                          "plate": 0.13
                        }
                      }
                    },
                    "groupBuses": {
                      "music": {
                        "enabled": true,
                        "gain": 1,
                        "drive": 1.12,
                        "highpass": 170,
                        "lowpass": 6200,
                        "lowshelfFreq": 240,
                        "lowshelfGain": -0.4,
                        "presenceFreq": 2150,
                        "presenceQ": 0.95,
                        "presenceGain": -0.7,
                        "highshelfFreq": 4700,
                        "highshelfGain": -1.1,
                        "compressor": {
                          "threshold": -22,
                          "ratio": 2.4,
                          "attack": 0.014,
                          "release": 0.26,
                          "knee": 20
                        }
                      }
                    }
                  },
                  "mixProfile": {
                    "id": "monkberry-moon-delight-eq-lane-mix-v7",
                    "label": "Monkberry humanized EQ mix",
                    "mixerLevels": {
                      "kick": 0.9,
                      "snare": 0.67,
                      "hat": 0.34,
                      "clap": 0.27,
                      "rim": 0.29,
                      "bass": 0.62,
                      "chord": 0.16,
                      "guitar": 0.65,
                      "rhythmSynth": 0.84
                    },
                    "trackLabels": {
                      "chord": "Pad / Keys",
                      "rhythmSynth": "Vocal Melody"
                    },
                    "trackRoles": {
                      "kick": "Drum low end",
                      "snare": "Backbeat",
                      "hat": "Pulse",
                      "clap": "Cymbal accents",
                      "rim": "Toms",
                      "bass": "With-vocal bass foundation",
                      "chord": "Reduced harmony bed",
                      "guitar": "Lead and rhythm guitars",
                      "rhythmSynth": "With-vocal top line"
                    },
                    "mixLanes": {
                      "kick": "Sub thump around 60 Hz with most low-mid box removed.",
                      "bass": "Bass foundation around 80-160 Hz with more 120 Hz body for small speakers.",
                      "snare": "Backbeat body near 250 Hz with controlled upper presence.",
                      "hat": "Soft high pulse, trimmed in brittle 4-8 kHz bands.",
                      "chord": "Darker pad bed with more room depth and less plasticky top.",
                      "guitar": "Mid/presence lane around 1-2 kHz, wider than the pad and glued into the shared music bus.",
                      "rhythmSynth": "Vocal melody lane in the upper mids, forward enough to survive the small-speaker monitor without crowding 1 kHz."
                    },
                    "proofWindows": [
                      {
                        "name": "introBed",
                        "label": "Intro Bed",
                        "bars": 1,
                        "seed": "riddle-sequencer-bed",
                        "requiredActive": [
                          "bass",
                          "chord",
                          "guitar"
                        ]
                      },
                      {
                        "name": "vocalEntry",
                        "label": "Vocal Entry",
                        "bars": 3,
                        "seed": "riddle-sequencer-vocal-melody",
                        "requiredActive": [
                          "rhythmSynth"
                        ]
                      }
                    ]
                  }
                },
                "sourceState": {
                  "proofKind": "neon-source-state",
                  "drums": {
                    "source": "samples",
                    "status": "idle",
                    "loadedTrackCount": 0,
                    "loadedSampleCount": 0,
                    "loadedSampleNames": [],
                    "library": {
                      "name": "LM-2 sampled drum machine",
                      "license": "Public domain sample pack",
                      "trackCount": 5,
                      "sampleCount": 8,
                      "sampleNames": [
                        "kick",
                        "kick-alt",
                        "snare-m",
                        "hhclosed-short",
                        "hhclosed",
                        "hhclosed-long",
                        "clap",
                        "stick-m"
                      ]
                    }
                  },
                  "bass": {
                    "source": "hybrid",
                    "status": "idle",
                    "loadedSampleCount": 0,
                    "library": {
                      "name": "tonejs-instruments bass-electric",
                      "license": "CC BY 3.0",
                      "sampleCount": 6
                    }
                  },
                  "chord": {
                    "source": "hybrid",
                    "status": "idle",
                    "loadedSampleCount": 0,
                    "library": {
                      "name": "tonejs-instruments piano",
                      "license": "CC BY 3.0",
                      "sampleCount": 7
                    }
                  },
                  "guitar": {
                    "source": "hybrid",
                    "status": "idle",
                    "loadedSampleCount": 0,
                    "library": {
                      "name": "tonejs-instruments guitar-electric",
                      "license": "CC BY 3.0",
                      "sampleCount": 9
                    }
                  },
                  "vocal": {
                    "source": "voice_oohs",
                    "status": "idle",
                    "loadedSampleCount": 0,
                    "library": {
                      "name": "FluidR3 General MIDI SoundFont",
                      "license": "CC BY 3.0",
                      "instruments": [
                        "voice_oohs",
                        "choir_aahs",
                        "lead_6_voice",
                        "synth_choir"
                      ]
                    }
                  }
                },
                "playbackState": {
                  "proofKind": "neon-playback-state",
                  "isPlaying": false,
                  "selectedPartIndex": 0,
                  "arrangement": [
                    0,
                    1,
                    2,
                    3,
                    4,
                    5,
                    6,
                    7,
                    8
                  ],
                  "trainer": {
                    "selectedInstrument": "bass",
                    "partIndex": 0,
                    "partLabel": "A",
                    "sequencePosition": 0,
                    "playbackPartIndex": null,
                    "playbackStepCount": 256,
                    "currentStep": 0,
                    "eventCount": 68,
                    "visibleEventCount": 9,
                    "pianoKeyCount": 10,
                    "windowBars": 2,
                    "backingMode": "full"
                  }
                },
                "state": {
                  "route": "/games/drum-sequencer",
                  "mode": "song",
                  "isPlaying": false,
                  "selectedSong": "Monkberry Moon Delight (Tab)",
                  "selectedPartIndex": 0,
                  "partCount": 9,
                  "arrangement": [
                    0,
                    1,
                    2,
                    3,
                    4,
                    5,
                    6,
                    7,
                    8
                  ],
                  "trainer": {
                    "selectedInstrument": "bass",
                    "partIndex": 0,
                    "partLabel": "A",
                    "sequencePosition": 0,
                    "playbackPartIndex": null,
                    "playbackStepCount": 256,
                    "currentStep": 0,
                    "eventCount": 68,
                    "visibleEventCount": 9,
                    "pianoKeyCount": 10,
                    "windowBars": 2,
                    "backingMode": "full"
                  },
                  "profile": {
                    "tempo": 98,
                    "barCount": 16,
                    "enabled": {
                      "bass": true,
                      "chord": true,
                      "guitar": true,
                      "rhythmSynth": true
                    },
                    "labels": {
                      "rhythmSynth": "Vocal Melody",
                      "chord": "Pad / Keys"
                    },
                    "mixProfile": {
                      "id": "monkberry-moon-delight-eq-lane-mix-v7",
                      "label": "Monkberry humanized EQ mix",
                      "description": "Humanized imported-tab mix with softer vocal formants, fuller bass harmonics, darker pads, and a deeper shared room/plate space.",
                      "mixerLevels": {
                        "kick": 0.9,
                        "snare": 0.67,
                        "hat": 0.34,
                        "clap": 0.27,
                        "rim": 0.29,
                        "bass": 0.62,
                        "chord": 0.16,
                        "guitar": 0.65,
                        "rhythmSynth": 0.84
                      },
                      "proofWindows": [
                        {
                          "name": "introBed",
                          "label": "Intro Bed",
                          "bars": 1,
                          "seed": "riddle-sequencer-bed",
                          "requiredActive": [
                            "bass",
                            "chord",
                            "guitar"
                          ]
                        },
                        {
                          "name": "vocalEntry",
                          "label": "Vocal Entry",
                          "bars": 3,
                          "seed": "riddle-sequencer-vocal-melody",
                          "requiredActive": [
                            "rhythmSynth"
                          ]
                        }
                      ],
                      "eqSettings": {
                        "kick": [
                          2.2,
                          -0.8,
                          -3.2,
                          -4.5,
                          -5.5,
                          -5,
                          0.8,
                          0
                        ],
                        "snare": [
                          -6,
                          -2.5,
                          1.4,
                          -3,
                          -0.6,
                          1.4,
                          0.4,
                          -1.8
                        ],
                        "hat": [
                          -12,
                          -12,
                          -12,
                          -10,
                          -7,
                          -2.5,
                          -2.2,
                          -1.1
                        ],
                        "clap": [
                          -12,
                          -8,
                          -4,
                          -1.5,
                          0.8,
                          0,
                          -1,
                          -2
                        ],
                        "rim": [
                          -12,
                          -8,
                          -3.5,
                          -1.2,
                          0,
                          -0.5,
                          -1.2,
                          -2
                        ],
                        "bass": [
                          -1.2,
                          2.8,
                          -1.4,
                          -4.8,
                          -6,
                          -8,
                          -10,
                          -10
                        ],
                        "chord": [
                          -8,
                          -2.8,
                          -4.8,
                          -0.8,
                          -1,
                          -2.8,
                          -4.8,
                          -6.5
                        ],
                        "guitar": [
                          -8,
                          -4.8,
                          -3.4,
                          -2.2,
                          1.2,
                          1.4,
                          0.2,
                          -1.8
                        ],
                        "rhythmSynth": [
                          -10,
                          -6,
                          -3.8,
                          -1.6,
                          0.8,
                          1.8,
                          0,
                          -2.8
                        ]
                      },
                      "mixLanes": {
                        "kick": "Sub thump around 60 Hz with most low-mid box removed.",
                        "bass": "Bass foundation around 80-160 Hz with more 120 Hz body for small speakers.",
                        "snare": "Backbeat body near 250 Hz with controlled upper presence.",
                        "hat": "Soft high pulse, trimmed in brittle 4-8 kHz bands.",
                        "chord": "Darker pad bed with more room depth and less plasticky top.",
                        "guitar": "Mid/presence lane around 1-2 kHz, wider than the pad and glued into the shared music bus.",
                        "rhythmSynth": "Vocal melody lane in the upper mids, forward enough to survive the small-speaker monitor without crowding 1 kHz."
                      }
                    },
                    "trackRoles": {
                      "kick": "Drum low end",
                      "snare": "Backbeat",
                      "hat": "Pulse",
                      "clap": "Cymbal accents",
                      "rim": "Toms",
                      "bass": "With-vocal bass foundation",
                      "chord": "Reduced harmony bed",
                      "guitar": "Lead and rhythm guitars",
                      "rhythmSynth": "With-vocal top line"
                    },
                    "activeCounts": {
                      "drums": 208,
                      "bass": 68,
                      "chord": 84,
                      "guitar": 639,
                      "rhythmSynth": 77
                    },
                    "activeRows": {
                      "drums": 3,
                      "bass": 6,
                      "chord": 10,
                      "guitar": 16
                    },
                    "mixerLevels": {
                      "kick": 0.9,
                      "snare": 0.67,
                      "hat": 0.34,
                      "clap": 0.27,
                      "rim": 0.29,
                      "bass": 0.62,
                      "chord": 0.16,
                      "guitar": 0.65,
                      "rhythmSynth": 0.84
                    },
                    "eqSettings": {
                      "kick": [
                        2.2,
                        -0.8,
                        -3.2,
                        -4.5,
                        -5.5,
                        -5,
                        0.8,
                        0
                      ],
                      "snare": [
                        -6,
                        -2.5,
                        1.4,
                        -3,
                        -0.6,
                        1.4,
                        0.4,
                        -1.8
                      ],
                      "hat": [
                        -12,
                        -12,
                        -12,
                        -10,
                        -7,
                        -2.5,
                        -2.2,
                        -1.1
                      ],
                      "clap": [
                        -12,
                        -8,
                        -4,
                        -1.5,
                        0.8,
                        0,
                        -1,
                        -2
                      ],
                      "rim": [
                        -12,
                        -8,
                        -3.5,
                        -1.2,
                        0,
                        -0.5,
                        -1.2,
                        -2
                      ],
                      "bass": [
                        -1.2,
                        2.8,
                        -1.4,
                        -4.8,
                        -6,
                        -8,
                        -10,
                        -10
                      ],
                      "chord": [
                        -8,
                        -2.8,
                        -4.8,
                        -0.8,
                        -1,
                        -2.8,
                        -4.8,
                        -6.5
                      ],
                      "guitar": [
                        -8,
                        -4.8,
                        -3.4,
                        -2.2,
                        1.2,
                        1.4,
                        0.2,
                        -1.8
                      ],
                      "rhythmSynth": [
                        -10,
                        -6,
                        -3.8,
                        -1.6,
                        0.8,
                        1.8,
                        0,
                        -2.8
                      ]
                    },
                    "panSettings": {
                      "kick": 0,
                      "snare": 0.03,
                      "hat": 0.24,
                      "clap": -0.18,
                      "rim": 0.16,
                      "bass": -0.01,
                      "chord": -0.22,
                      "guitar": 0.26,
                      "rhythmSynth": 0.02
                    },
                    "delaySettings": {
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                        "sections": [
                          {
                            "name": "introBed",
                            "label": "Intro Bed",
                            "requiredEnergyFloorsPreserved": true,
                            "requiredEnergyFloors": [
                              {
                                "name": "bass",
                                "preserved": true,
                                "floors": {
                                  "rms": 0.0005,
                                  "peak": 0.001,
                                  "totalEnergy": 0.000001
                                },
                                "baseline": {
                                  "rms": 0.0209,
                                  "peak": 0.0838,
                                  "totalEnergy": 0.000087
                                },
                                "candidate": {
                                  "rms": 0.0209,
                                  "peak": 0.0838,
                                  "totalEnergy": 0.000087
                                }
                              },
                              {
                                "name": "chord",
                                "preserved": true,
                                "floors": {
                                  "rms": 0.0005,
                                  "peak": 0.001,
                                  "totalEnergy": 0.000001
                                },
                                "baseline": {
                                  "rms": 0.0022,
                                  "peak": 0.0079,
                                  "totalEnergy": 0.000001
                                },
                                "candidate": {
                                  "rms": 0.0022,
                                  "peak": 0.0079,
                                  "totalEnergy": 0.000001
                                }
                              },
                              {
                                "name": "guitar",
                                "preserved": true,
                                "floors": {
                                  "rms": 0.0005,
                                  "peak": 0.001,
                                  "totalEnergy": 0.000001
                                },
                                "baseline": {
                                  "rms": 0.0407,
                                  "peak": 0.2284,
                                  "totalEnergy": 0.000298
                                },
                                "candidate": {
                                  "rms": 0.0376,
                                  "peak": 0.2109,
                                  "totalEnergy": 0.000254
                                }
                              }
                            ]
                          },
                          {
                            "name": "vocalEntry",
                            "label": "Vocal Entry",
                            "requiredEnergyFloorsPreserved": true,
                            "requiredEnergyFloors": [
                              {
                                "name": "rhythmSynth",
                                "preserved": true,
                                "floors": {
                                  "rms": 0.0005,
                                  "peak": 0.001,
                                  "totalEnergy": 0.000001
                                },
                                "baseline": {
                                  "rms": 0.0094,
                                  "peak": 0.024,
                                  "totalEnergy": 0.000015
                                },
                                "candidate": {
                                  "rms": 0.0094,
                                  "peak": 0.024,
                                  "totalEnergy": 0.000015
                                }
                              }
                            ]
                          }
                        ]
                      }
                    },
                    {
                      "name": "no_clipping",
                      "ok": true,
                      "evidence": {
                        "clippingWindows": []
                      }
                    },
                    {
                      "name": "headroom_guardrail_preserved",
                      "ok": true,
                      "evidence": {
                        "minHeadroomDb": 0.5,
                        "sections": [
                          {
                            "name": "introBed",
                            "headroomDb": 2.34,
                            "headroomOk": true
                          },
                          {
                            "name": "vocalEntry",
                            "headroomDb": 2.36,
                            "headroomOk": true
                          }
                        ]
                      }
                    },
                    {
                      "name": "no_low_level_proof_window",
                      "ok": true,
                      "evidence": {
                        "lowLevelWindows": []
                      }
                    }
                  ],
                  "claimVerdict": {
                    "ok": true,
                    "status": "supported",
                    "classification": null,
                    "failedReceipts": []
                  },
                  "candidateRankingMetric": 62.2099,
                  "sectionHeuristicReviewMetric": 0.2405,
                  "sectionEnergyComparison": {
                    "version": "riddle-proof.audio-section-heuristics.v1",
                    "role": "metric_supported_review_order",
                    "sectionCount": 2,
                    "sections": [
                      {
                        "name": "introBed",
                        "label": "Intro Bed",
                        "baseline": {
                          "rms": 0.1115,
                          "peak": 0.7747,
                          "totalEnergy": 0.015805,
                          "loudnessStyleLufs": -19.75,
                          "headroomDb": 2.22,
                          "clipping": false,
                          "lowLevel": false
                        },
                        "candidate": {
                          "rms": 0.106,
                          "peak": 0.7639,
                          "totalEnergy": 0.015761,
                          "loudnessStyleLufs": -20.18,
                          "headroomDb": 2.34,
                          "clipping": false,
                          "lowLevel": false
                        },
                        "delta": {
                          "rms": -0.0055,
                          "peak": -0.0108,
                          "totalEnergy": -0.000044,
                          "loudnessStyleLufs": -0.43,
                          "headroomDb": 0.12
                        },
                        "trackedInstruments": [
                          {
                            "name": "guitar",
                            "baseline": {
                              "rms": 0.0407,
                              "peak": 0.2284,
                              "totalEnergy": 0.000298
                            },
                            "candidate": {
                              "rms": 0.0376,
                              "peak": 0.2109,
                              "totalEnergy": 0.000254
                            },
                            "delta": {
                              "rms": -0.0031,
                              "peak": -0.0175,
                              "totalEnergy": -0.000044
                            }
                          }
                        ],
                        "requiredEnergyFloors": [
                          {
                            "name": "bass",
                            "preserved": true,
                            "floors": {
                              "rms": 0.0005,
                              "peak": 0.001,
                              "totalEnergy": 0.000001
                            },
                            "baseline": {
                              "rms": 0.0209,
                              "peak": 0.0838,
                              "totalEnergy": 0.000087
                            },
                            "candidate": {
                              "rms": 0.0209,
                              "peak": 0.0838,
                              "totalEnergy": 0.000087
                            }
                          },
                          {
                            "name": "chord",
                            "preserved": true,
                            "floors": {
                              "rms": 0.0005,
                              "peak": 0.001,
                              "totalEnergy": 0.000001
                            },
                            "baseline": {
                              "rms": 0.0022,
                              "peak": 0.0079,
                              "totalEnergy": 0.000001
                            },
                            "candidate": {
                              "rms": 0.0022,
                              "peak": 0.0079,
                              "totalEnergy": 0.000001
                            }
                          },
                          {
                            "name": "guitar",
                            "preserved": true,
                            "floors": {
                              "rms": 0.0005,
                              "peak": 0.001,
                              "totalEnergy": 0.000001
                            },
                            "baseline": {
                              "rms": 0.0407,
                              "peak": 0.2284,
                              "totalEnergy": 0.000298
                            },
                            "candidate": {
                              "rms": 0.0376,
                              "peak": 0.2109,
                              "totalEnergy": 0.000254
                            }
                          }
                        ],
                        "requiredEnergyFloorsPreserved": true,
                        "guardrails": {
                          "clipping": false,
                          "lowLevel": false,
                          "headroomDb": 2.34,
                          "minHeadroomDb": 0.5,
                          "headroomOk": true,
                          "violated": []
                        }
                      },
                      {
                        "name": "vocalEntry",
                        "label": "Vocal Entry",
                        "baseline": {
                          "rms": 0.2921,
                          "peak": 0.7726,
                          "totalEnergy": 0.015827,
                          "loudnessStyleLufs": -11.38,
                          "headroomDb": 2.24,
                          "clipping": false,
                          "lowLevel": false
                        },
                        "candidate": {
                          "rms": 0.2904,
                          "peak": 0.7619,
                          "totalEnergy": 0.015761,
                          "loudnessStyleLufs": -11.43,
                          "headroomDb": 2.36,
                          "clipping": false,
                          "lowLevel": false
                        },
                        "delta": {
                          "rms": -0.0017,
                          "peak": -0.0107,
                          "totalEnergy": -0.000066,
                          "loudnessStyleLufs": -0.05,
                          "headroomDb": 0.12
                        },
                        "trackedInstruments": [
                          {
                            "name": "guitar",
                            "baseline": {
                              "rms": 0.0517,
                              "peak": 0.2756,
                              "totalEnergy": 0.000451
                            },
                            "candidate": {
                              "rms": 0.0477,
                              "peak": 0.2546,
                              "totalEnergy": 0.000385
                            },
                            "delta": {
                              "rms": -0.004,
                              "peak": -0.021,
                              "totalEnergy": -0.000066
                            }
                          }
                        ],
                        "requiredEnergyFloors": [
                          {
                            "name": "rhythmSynth",
                            "preserved": true,
                            "floors": {
                              "rms": 0.0005,
                              "peak": 0.001,
                              "totalEnergy": 0.000001
                            },
                            "baseline": {
                              "rms": 0.0094,
                              "peak": 0.024,
                              "totalEnergy": 0.000015
                            },
                            "candidate": {
                              "rms": 0.0094,
                              "peak": 0.024,
                              "totalEnergy": 0.000015
                            }
                          }
                        ],
                        "requiredEnergyFloorsPreserved": true,
                        "guardrails": {
                          "clipping": false,
                          "lowLevel": false,
                          "headroomDb": 2.36,
                          "minHeadroomDb": 0.5,
                          "headroomOk": true,
                          "violated": []
                        }
                      }
                    ],
                    "requiredSectionEnergyFloorsPreserved": true,
                    "guardrailsPreserved": true,
                    "violationCount": 0,
                    "averageAbsLoudnessDelta": 0.24,
                    "averageAbsEnergyDelta": 0.000055,
                    "floors": {
                      "requiredRmsFloor": 0.0005,
                      "requiredPeakFloor": 0.001,
                      "requiredTotalEnergyFloor": 0.000001,
                      "minHeadroomDb": 0.5
                    },
                    "trackedInstruments": [
                      "guitar"
                    ],
                    "boundary": "Loudness-style and section-energy metrics rank candidates for review; they do not prove subjective mix quality."
                  },
                  "summary": {
                    "ok": true,
                    "proofKind": "offline-audio-window-set",
                    "mixProfile": {
                      "id": "monkberry-moon-delight-eq-lane-mix-v7",
                      "label": "Monkberry humanized EQ mix",
                      "mixerLevels": {
                        "kick": 0.9,
                        "snare": 0.67,
                        "hat": 0.34,
                        "clap": 0.27,
                        "rim": 0.29,
                        "bass": 0.62,
                        "chord": 0.16,
                        "guitar": 0.65,
                        "rhythmSynth": 0.84
                      }
                    },
                    "windowCount": 2,
                    "passedCount": 2,
                    "findingCount": 0,
                    "status": "passed",
                    "windows": [
                      {
                        "name": "introBed",
                        "label": "Intro Bed",
                        "ok": true,
                        "status": "passed",
                        "classification": null,
                        "requiredActive": [
                          "bass",
                          "chord",
                          "guitar"
                        ],
                        "requiredInstruments": [
                          {
                            "name": "bass",
                            "active": true,
                            "rms": 0.0209,
                            "peak": 0.0838,
                            "totalEnergy": 0.000087
                          },
                          {
                            "name": "chord",
                            "active": true,
                            "rms": 0.0022,
                            "peak": 0.0079,
                            "totalEnergy": 0.000001
                          },
                          {
                            "name": "guitar",
                            "active": true,
                            "rms": 0.0376,
                            "peak": 0.2109,
                            "totalEnergy": 0.000254
                          }
                        ],
                        "missingRequiredActive": [],
                        "mixHealth": {
                          "rms": 0.106,
                          "peak": 0.7639,
                          "clipping": false,
                          "headroomDb": 2.34,
                          "lowLevel": false
                        },
                        "objectivePenalty": {
                          "total": 71.3476,
                          "mix": {
                            "slopeDbPerOct": -6.047,
                            "slopePenalty": 0.6222,
                            "rolloffPenalty": 2.868,
                            "presenceRatio": 0.0451,
                            "presencePenalty": 0.8398,
                            "presenceFloorPenalty": 1.122,
                            "mixPenaltyScale": 1
                          },
                          "mud": {
                            "ratio": 0.2144,
                            "penalty": 0
                          },
                          "top": [
                            {
                              "instrument": "kick",
                              "score": 89.342,
                              "skipped": false
                            },
                            {
                              "instrument": "snare",
                              "score": 57.978,
                              "skipped": false
                            },
                            {
                              "instrument": "hat",
                              "score": 2.228,
                              "skipped": false
                            }
                          ],
                          "eqPenalty": 3.3732
                        },
                        "score": {
                          "total": 71.3476,
                          "mix": {
                            "slopeDbPerOct": -6.047,
                            "slopePenalty": 0.6222,
                            "rolloffPenalty": 2.868,
                            "presenceRatio": 0.0451,
                            "presencePenalty": 0.8398,
                            "presenceFloorPenalty": 1.122,
                            "mixPenaltyScale": 1
                          },
                          "mud": {
                            "ratio": 0.2144,
                            "penalty": 0
                          },
                          "top": [
                            {
                              "instrument": "kick",
                              "score": 89.342,
                              "skipped": false
                            },
                            {
                              "instrument": "snare",
                              "score": 57.978,
                              "skipped": false
                            },
                            {
                              "instrument": "hat",
                              "score": 2.228,
                              "skipped": false
                            }
                          ],
                          "eqPenalty": 3.3732
                        },
                        "activeInstrumentCount": 6,
                        "activeInstruments": [
                          {
                            "name": "kick",
                            "rms": 0.1772,
                            "peak": 0.8076,
                            "totalEnergy": 0.011746
                          },
                          {
                            "name": "snare",
                            "rms": 0.1014,
                            "peak": 0.5843,
                            "totalEnergy": 0.00364
                          },
                          {
                            "name": "hat",
                            "rms": 0.0113,
                            "peak": 0.124,
                            "totalEnergy": 0.000033
                          },
                          {
                            "name": "bass",
                            "rms": 0.0209,
                            "peak": 0.0838,
                            "totalEnergy": 0.000087
                          },
                          {
                            "name": "chord",
                            "rms": 0.0022,
                            "peak": 0.0079,
                            "totalEnergy": 0.000001
                          },
                          {
                            "name": "guitar",
                            "rms": 0.0376,
                            "peak": 0.2109,
                            "totalEnergy": 0.000254
                          }
                        ],
                        "error": null
                      },
                      {
                        "name": "vocalEntry",
                        "label": "Vocal Entry",
                        "ok": true,
                        "status": "passed",
                        "classification": null,
                        "requiredActive": [
                          "rhythmSynth"
                        ],
                        "requiredInstruments": [
                          {
                            "name": "rhythmSynth",
                            "active": true,
                            "rms": 0.0094,
                            "peak": 0.024,
                            "totalEnergy": 0.000015
                          }
                        ],
                        "missingRequiredActive": [],
                        "mixHealth": {
                          "rms": 0.2904,
                          "peak": 0.7619,
                          "clipping": false,
                          "headroomDb": 2.36,
                          "lowLevel": false
                        },
                        "objectivePenalty": {
                          "total": 52.5912,
                          "mix": {
                            "slopeDbPerOct": -6.853,
                            "slopePenalty": 2.135,
                            "rolloffPenalty": 3.1713,
                            "presenceRatio": 0.0386,
                            "presencePenalty": 0.9117,
                            "presenceFloorPenalty": 1.3252,
                            "mixPenaltyScale": 1
                          },
                          "mud": {
                            "ratio": 0.2985,
                            "penalty": 0
                          },
                          "top": [
                            {
                              "instrument": "snare",
                              "score": 40.261,
                              "skipped": false
                            },
                            {
                              "instrument": "kick",
                              "score": 17.84,
                              "skipped": false
                            },
                            {
                              "instrument": "hat",
                              "score": 2.227,
                              "skipped": false
                            }
                          ],
                          "eqPenalty": 3.3732
                        },
                        "score": {
                          "total": 52.5912,
                          "mix": {
                            "slopeDbPerOct": -6.853,
                            "slopePenalty": 2.135,
                            "rolloffPenalty": 3.1713,
                            "presenceRatio": 0.0386,
                            "presencePenalty": 0.9117,
                            "presenceFloorPenalty": 1.3252,
                            "mixPenaltyScale": 1
                          },
                          "mud": {
                            "ratio": 0.2985,
                            "penalty": 0
                          },
                          "top": [
                            {
                              "instrument": "snare",
                              "score": 40.261,
                              "skipped": false
                            },
                            {
                              "instrument": "kick",
                              "score": 17.84,
                              "skipped": false
                            },
                            {
                              "instrument": "hat",
                              "score": 2.227,
                              "skipped": false
                            }
                          ],
                          "eqPenalty": 3.3732
                        },
                        "activeInstrumentCount": 7,
                        "activeInstruments": [
                          {
                            "name": "kick",
                            "rms": 0.1638,
                            "peak": 0.8076,
                            "totalEnergy": 0.010533
                          },
                          {
                            "name": "snare",
                            "rms": 0.1085,
                            "peak": 0.6418,
                            "totalEnergy": 0.00468
                          },
                          {
                            "name": "hat",
                            "rms": 0.0112,
                            "peak": 0.1242,
                            "totalEnergy": 0.000033
                          },
                          {
                            "name": "bass",
                            "rms": 0.0264,
                            "peak": 0.1086,
                            "totalEnergy": 0.000114
                          },
                          {
                            "name": "chord",
                            "rms": 0.002,
                            "peak": 0.0079,
                            "totalEnergy": 0.000001
                          },
                          {
                            "name": "guitar",
                            "rms": 0.0477,
                            "peak": 0.2546,
                            "totalEnergy": 0.000385
                          },
                          {
                            "name": "rhythmSynth",
                            "rms": 0.0094,
                            "peak": 0.024,
                            "totalEnergy": 0.000015
                          }
                        ],
                        "error": null
                      }
                    ],
                    "findings": []
                  }
                },
                {
                  "index": 2,
                  "candidate": {
                    "track": "guitar",
                    "value": 0.55,
                    "label": "guitar -0.10",
                    "claimCandidate": {
                      "id": "set-guitar-level-0.65-to-0.55",
                      "kind": "change_claim_candidate",
                      "domain": "audio_mix",
                      "strategy": "mix-level-search",
                      "evidenceRolePattern": "interaction_snapshots",
                      "claim": "Setting guitar level from 0.65 to 0.55 changes rendered guitar metrics while preserving Neon proof invariants.",
                      "action": {
                        "type": "set_mixer_level",
                        "track": "guitar",
                        "from": 0.65,
                        "to": 0.55,
                        "delta": -0.1
                      },
                      "expectedReceipts": [
                        "mixer edit accepted",
                        "candidate track matches requested intent",
                        "candidate direction matches requested intent",
                        "contract mixer level reflects requested value",
                        "rendered target track metrics changed",
                        "required instruments remain active",
                        "required section energy floors remain active",
                        "no clipping",
                        "headroom guardrail is preserved",
                        "no low-level proof window"
                      ],
                      "rankingHint": {
                        "metric": "objective_mix_health_penalty",
                        "lowerIsBetter": true,
                        "role": "review_order_only"
                      }
                    }
                  },
                  "claimCandidate": {
                    "id": "set-guitar-level-0.65-to-0.55",
                    "kind": "change_claim_candidate",
                    "domain": "audio_mix",
                    "strategy": "mix-level-search",
                    "evidenceRolePattern": "interaction_snapshots",
                    "claim": "Setting guitar level from 0.65 to 0.55 changes rendered guitar metrics while preserving Neon proof invariants.",
                    "action": {
                      "type": "set_mixer_level",
                      "track": "guitar",
                      "from": 0.65,
                      "to": 0.55,
                      "delta": -0.1
                    },
                    "expectedReceipts": [
                      "mixer edit accepted",
                      "candidate track matches requested intent",
                      "candidate direction matches requested intent",
                      "contract mixer level reflects requested value",
                      "rendered target track metrics changed",
                      "required instruments remain active",
                      "required section energy floors remain active",
                      "no clipping",
                      "headroom guardrail is preserved",
                      "no low-level proof window"
                    ],
                    "rankingHint": {
                      "metric": "objective_mix_health_penalty",
                      "lowerIsBetter": true,
                      "role": "review_order_only"
                    }
                  },
                  "baselineRestoreReceipts": [
                    {
                      "ok": true,
                      "proofKind": "neon-mixer-edit",
                      "track": "guitar",
                      "before": 0.6,
                      "value": 0.65,
                      "levels": null
                    }
                  ],
                  "edit": {
                    "ok": true,
                    "proofKind": "neon-mixer-edit",
                    "track": "guitar",
                    "before": 0.65,
                    "value": 0.55,
                    "levels": null
                  },
                  "claimReceipts": [
                    {
                      "name": "mixer_edit_accepted",
                      "ok": true,
                      "evidence": {
                        "proofKind": "neon-mixer-edit",
                        "track": "guitar",
                        "error": null
                      }
                    },
                    {
                      "name": "candidate_track_matches_requested_intent",
                      "ok": true,
                      "evidence": {
                        "requestedTargetTracks": [
                          "guitar"
                        ],
                        "candidateTrack": "guitar",
                        "source": "explicit_args"
                      }
                    },
                    {
                      "name": "candidate_direction_matches_requested_intent",
                      "ok": true,
                      "evidence": {
                        "requestedDirection": "down",
                        "candidateDelta": -0.1,
                        "source": "explicit_args"
                      }
                    },
                    {
                      "name": "contract_mixer_level_reflects_action",
                      "ok": true,
                      "evidence": {
                        "track": "guitar",
                        "expectedLevel": 0.55,
                        "observedLevel": 0.55
                      }
                    },
                    {
                      "name": "rendered_target_metric_changed",
                      "ok": true,
                      "evidence": {
                        "track": "guitar",
                        "moved": true,
                        "before": {
                          "track": "guitar",
                          "sampleCount": 2,
                          "activeCount": 0,
                          "rms": 0.0462,
                          "peak": 0.252,
                          "totalEnergy": 0.000374
                        },
                        "after": {
                          "track": "guitar",
                          "sampleCount": 2,
                          "activeCount": 0,
                          "rms": 0.0391,
                          "peak": 0.21335,
                          "totalEnergy": 0.000268
                        },
                        "deltas": {
                          "rms": -0.0071,
                          "peak": -0.03865,
                          "totalEnergy": -0.000106
                        },
                        "thresholds": {
                          "rms": 0.00001,
                          "peak": 0.00001,
                          "totalEnergy": 0.000001
                        }
                      }
                    },
                    {
                      "name": "required_instruments_preserved",
                      "ok": true,
                      "evidence": {
                        "windowCount": 2,
                        "findingCount": 0,
                        "findings": []
                      }
                    },
                    {
                      "name": "section_energy_floors_preserved",
                      "ok": true,
                      "evidence": {
                        "sectionCount": 2,
                        "requiredSectionEnergyFloorsPreserved": true,
                        "sections": [
                          {
                            "name": "introBed",
                            "label": "Intro Bed",
                            "requiredEnergyFloorsPreserved": true,
                            "requiredEnergyFloors": [
                              {
                                "name": "bass",
                                "preserved": true,
                                "floors": {
                                  "rms": 0.0005,
                                  "peak": 0.001,
                                  "totalEnergy": 0.000001
                                },
                                "baseline": {
                                  "rms": 0.0209,
                                  "peak": 0.0838,
                                  "totalEnergy": 0.000087
                                },
                                "candidate": {
                                  "rms": 0.0209,
                                  "peak": 0.0838,
                                  "totalEnergy": 0.000087
                                }
                              },
                              {
                                "name": "chord",
                                "preserved": true,
                                "floors": {
                                  "rms": 0.0005,
                                  "peak": 0.001,
                                  "totalEnergy": 0.000001
                                },
                                "baseline": {
                                  "rms": 0.0022,
                                  "peak": 0.0079,
                                  "totalEnergy": 0.000001
                                },
                                "candidate": {
                                  "rms": 0.0022,
                                  "peak": 0.0079,
                                  "totalEnergy": 0.000001
                                }
                              },
                              {
                                "name": "guitar",
                                "preserved": true,
                                "floors": {
                                  "rms": 0.0005,
                                  "peak": 0.001,
                                  "totalEnergy": 0.000001
                                },
                                "baseline": {
                                  "rms": 0.0407,
                                  "peak": 0.2284,
                                  "totalEnergy": 0.000298
                                },
                                "candidate": {
                                  "rms": 0.0345,
                                  "peak": 0.1933,
                                  "totalEnergy": 0.000214
                                }
                              }
                            ]
                          },
                          {
                            "name": "vocalEntry",
                            "label": "Vocal Entry",
                            "requiredEnergyFloorsPreserved": true,
                            "requiredEnergyFloors": [
                              {
                                "name": "rhythmSynth",
                                "preserved": true,
                                "floors": {
                                  "rms": 0.0005,
                                  "peak": 0.001,
                                  "totalEnergy": 0.000001
                                },
                                "baseline": {
                                  "rms": 0.0094,
                                  "peak": 0.024,
                                  "totalEnergy": 0.000015
                                },
                                "candidate": {
                                  "rms": 0.0094,
                                  "peak": 0.024,
                                  "totalEnergy": 0.000015
                                }
                              }
                            ]
                          }
                        ]
                      }
                    },
                    {
                      "name": "no_clipping",
                      "ok": true,
                      "evidence": {
                        "clippingWindows": []
                      }
                    },
                    {
                      "name": "headroom_guardrail_preserved",
                      "ok": true,
                      "evidence": {
                        "minHeadroomDb": 0.5,
                        "sections": [
                          {
                            "name": "introBed",
                            "headroomDb": 2.47,
                            "headroomOk": true
                          },
                          {
                            "name": "vocalEntry",
                            "headroomDb": 2.49,
                            "headroomOk": true
                          }
                        ]
                      }
                    },
                    {
                      "name": "no_low_level_proof_window",
                      "ok": true,
                      "evidence": {
                        "lowLevelWindows": []
                      }
                    }
                  ],
                  "claimVerdict": {
                    "ok": true,
                    "status": "supported",
                    "classification": null,
                    "failedReceipts": []
                  },
                  "candidateRankingMetric": 62.73524999999999,
                  "sectionHeuristicReviewMetric": 0.5111,
                  "sectionEnergyComparison": {
                    "version": "riddle-proof.audio-section-heuristics.v1",
                    "role": "metric_supported_review_order",
                    "sectionCount": 2,
                    "sections": [
                      {
                        "name": "introBed",
                        "label": "Intro Bed",
                        "baseline": {
                          "rms": 0.1115,
                          "peak": 0.7747,
                          "totalEnergy": 0.015805,
                          "loudnessStyleLufs": -19.75,
                          "headroomDb": 2.22,
                          "clipping": false,
                          "lowLevel": false
                        },
                        "candidate": {
                          "rms": 0.1004,
                          "peak": 0.7527,
                          "totalEnergy": 0.015721,
                          "loudnessStyleLufs": -20.66,
                          "headroomDb": 2.47,
                          "clipping": false,
                          "lowLevel": false
                        },
                        "delta": {
                          "rms": -0.0111,
                          "peak": -0.022,
                          "totalEnergy": -0.000084,
                          "loudnessStyleLufs": -0.91,
                          "headroomDb": 0.25
                        },
                        "trackedInstruments": [
                          {
                            "name": "guitar",
                            "baseline": {
                              "rms": 0.0407,
                              "peak": 0.2284,
                              "totalEnergy": 0.000298
                            },
                            "candidate": {
                              "rms": 0.0345,
                              "peak": 0.1933,
                              "totalEnergy": 0.000214
                            },
                            "delta": {
                              "rms": -0.0062,
                              "peak": -0.0351,
                              "totalEnergy": -0.000084
                            }
                          }
                        ],
                        "requiredEnergyFloors": [
                          {
                            "name": "bass",
                            "preserved": true,
                            "floors": {
                              "rms": 0.0005,
                              "peak": 0.001,
                              "totalEnergy": 0.000001
                            },
                            "baseline": {
                              "rms": 0.0209,
                              "peak": 0.0838,
                              "totalEnergy": 0.000087
                            },
                            "candidate": {
                              "rms": 0.0209,
                              "peak": 0.0838,
                              "totalEnergy": 0.000087
                            }
                          },
                          {
                            "name": "chord",
                            "preserved": true,
                            "floors": {
                              "rms": 0.0005,
                              "peak": 0.001,
                              "totalEnergy": 0.000001
                            },
                            "baseline": {
                              "rms": 0.0022,
                              "peak": 0.0079,
                              "totalEnergy": 0.000001
                            },
                            "candidate": {
                              "rms": 0.0022,
                              "peak": 0.0079,
                              "totalEnergy": 0.000001
                            }
                          },
                          {
                            "name": "guitar",
                            "preserved": true,
                            "floors": {
                              "rms": 0.0005,
                              "peak": 0.001,
                              "totalEnergy": 0.000001
                            },
                            "baseline": {
                              "rms": 0.0407,
                              "peak": 0.2284,
                              "totalEnergy": 0.000298
                            },
                            "candidate": {
                              "rms": 0.0345,
                              "peak": 0.1933,
                              "totalEnergy": 0.000214
                            }
                          }
                        ],
                        "requiredEnergyFloorsPreserved": true,
                        "guardrails": {
                          "clipping": false,
                          "lowLevel": false,
                          "headroomDb": 2.47,
                          "minHeadroomDb": 0.5,
                          "headroomOk": true,
                          "violated": []
                        }
                      },
                      {
                        "name": "vocalEntry",
                        "label": "Vocal Entry",
                        "baseline": {
                          "rms": 0.2921,
                          "peak": 0.7726,
                          "totalEnergy": 0.015827,
                          "loudnessStyleLufs": -11.38,
                          "headroomDb": 2.24,
                          "clipping": false,
                          "lowLevel": false
                        },
                        "candidate": {
                          "rms": 0.2888,
                          "peak": 0.7508,
                          "totalEnergy": 0.015699,
                          "loudnessStyleLufs": -11.48,
                          "headroomDb": 2.49,
                          "clipping": false,
                          "lowLevel": false
                        },
                        "delta": {
                          "rms": -0.0033,
                          "peak": -0.0218,
                          "totalEnergy": -0.000128,
                          "loudnessStyleLufs": -0.1,
                          "headroomDb": 0.25
                        },
                        "trackedInstruments": [
                          {
                            "name": "guitar",
                            "baseline": {
                              "rms": 0.0517,
                              "peak": 0.2756,
                              "totalEnergy": 0.000451
                            },
                            "candidate": {
                              "rms": 0.0437,
                              "peak": 0.2334,
                              "totalEnergy": 0.000323
                            },
                            "delta": {
                              "rms": -0.008,
                              "peak": -0.0422,
                              "totalEnergy": -0.000128
                            }
                          }
                        ],
                        "requiredEnergyFloors": [
                          {
                            "name": "rhythmSynth",
                            "preserved": true,
                            "floors": {
                              "rms": 0.0005,
                              "peak": 0.001,
                              "totalEnergy": 0.000001
                            },
                            "baseline": {
                              "rms": 0.0094,
                              "peak": 0.024,
                              "totalEnergy": 0.000015
                            },
                            "candidate": {
                              "rms": 0.0094,
                              "peak": 0.024,
                              "totalEnergy": 0.000015
                            }
                          }
                        ],
                        "requiredEnergyFloorsPreserved": true,
                        "guardrails": {
                          "clipping": false,
                          "lowLevel": false,
                          "headroomDb": 2.49,
                          "minHeadroomDb": 0.5,
                          "headroomOk": true,
                          "violated": []
                        }
                      }
                    ],
                    "requiredSectionEnergyFloorsPreserved": true,
                    "guardrailsPreserved": true,
                    "violationCount": 0,
                    "averageAbsLoudnessDelta": 0.51,
                    "averageAbsEnergyDelta": 0.000106,
                    "floors": {
                      "requiredRmsFloor": 0.0005,
                      "requiredPeakFloor": 0.001,
                      "requiredTotalEnergyFloor": 0.000001,
                      "minHeadroomDb": 0.5
                    },
                    "trackedInstruments": [
                      "guitar"
                    ],
                    "boundary": "Loudness-style and section-energy metrics rank candidates for review; they do not prove subjective mix quality."
                  },
                  "summary": {
                    "ok": true,
                    "proofKind": "offline-audio-window-set",
                    "mixProfile": {
                      "id": "monkberry-moon-delight-eq-lane-mix-v7",
                      "label": "Monkberry humanized EQ mix",
                      "mixerLevels": {
                        "kick": 0.9,
                        "snare": 0.67,
                        "hat": 0.34,
                        "clap": 0.27,
                        "rim": 0.29,
                        "bass": 0.62,
                        "chord": 0.16,
                        "guitar": 0.65,
                        "rhythmSynth": 0.84
                      }
                    },
                    "windowCount": 2,
                    "passedCount": 2,
                    "findingCount": 0,
                    "status": "passed",
                    "windows": [
                      {
                        "name": "introBed",
                        "label": "Intro Bed",
                        "ok": true,
                        "status": "passed",
                        "classification": null,
                        "requiredActive": [
                          "bass",
                          "chord",
                          "guitar"
                        ],
                        "requiredInstruments": [
                          {
                            "name": "bass",
                            "active": true,
                            "rms": 0.0209,
                            "peak": 0.0838,
                            "totalEnergy": 0.000087
                          },
                          {
                            "name": "chord",
                            "active": true,
                            "rms": 0.0022,
                            "peak": 0.0079,
                            "totalEnergy": 0.000001
                          },
                          {
                            "name": "guitar",
                            "active": true,
                            "rms": 0.0345,
                            "peak": 0.1933,
                            "totalEnergy": 0.000214
                          }
                        ],
                        "missingRequiredActive": [],
                        "mixHealth": {
                          "rms": 0.1004,
                          "peak": 0.7527,
                          "clipping": false,
                          "headroomDb": 2.47,
                          "lowLevel": false
                        },
                        "objectivePenalty": {
                          "total": 71.6643,
                          "mix": {
                            "slopeDbPerOct": -6.095,
                            "slopePenalty": 0.688,
                            "rolloffPenalty": 2.8906,
                            "presenceRatio": 0.0452,
                            "presencePenalty": 0.8387,
                            "presenceFloorPenalty": 1.119,
                            "mixPenaltyScale": 1
                          },
                          "mud": {
                            "ratio": 0.2132,
                            "penalty": 0
                          },
                          "top": [
                            {
                              "instrument": "kick",
                              "score": 89.342,
                              "skipped": false
                            },
                            {
                              "instrument": "snare",
                              "score": 57.978,
                              "skipped": false
                            },
                            {
                              "instrument": "hat",
                              "score": 2.228,
                              "skipped": false
                            }
                          ],
                          "eqPenalty": 3.3732
                        },
                        "score": {
                          "total": 71.6643,
                          "mix": {
                            "slopeDbPerOct": -6.095,
                            "slopePenalty": 0.688,
                            "rolloffPenalty": 2.8906,
                            "presenceRatio": 0.0452,
                            "presencePenalty": 0.8387,
                            "presenceFloorPenalty": 1.119,
                            "mixPenaltyScale": 1
                          },
                          "mud": {
                            "ratio": 0.2132,
                            "penalty": 0
                          },
                          "top": [
                            {
                              "instrument": "kick",
                              "score": 89.342,
                              "skipped": false
                            },
                            {
                              "instrument": "snare",
                              "score": 57.978,
                              "skipped": false
                            },
                            {
                              "instrument": "hat",
                              "score": 2.228,
                              "skipped": false
                            }
                          ],
                          "eqPenalty": 3.3732
                        },
                        "activeInstrumentCount": 6,
                        "activeInstruments": [
                          {
                            "name": "kick",
                            "rms": 0.1772,
                            "peak": 0.8076,
                            "totalEnergy": 0.011746
                          },
                          {
                            "name": "snare",
                            "rms": 0.1014,
                            "peak": 0.5843,
                            "totalEnergy": 0.00364
                          },
                          {
                            "name": "hat",
                            "rms": 0.0113,
                            "peak": 0.124,
                            "totalEnergy": 0.000033
                          },
                          {
                            "name": "bass",
                            "rms": 0.0209,
                            "peak": 0.0838,
                            "totalEnergy": 0.000087
                          },
                          {
                            "name": "chord",
                            "rms": 0.0022,
                            "peak": 0.0079,
                            "totalEnergy": 0.000001
                          },
                          {
                            "name": "guitar",
                            "rms": 0.0345,
                            "peak": 0.1933,
                            "totalEnergy": 0.000214
                          }
                        ],
                        "error": null
                      },
                      {
                        "name": "vocalEntry",
                        "label": "Vocal Entry",
                        "ok": true,
                        "status": "passed",
                        "classification": null,
                        "requiredActive": [
                          "rhythmSynth"
                        ],
                        "requiredInstruments": [
                          {
                            "name": "rhythmSynth",
                            "active": true,
                            "rms": 0.0094,
                            "peak": 0.024,
                            "totalEnergy": 0.000015
                          }
                        ],
                        "missingRequiredActive": [],
                        "mixHealth": {
                          "rms": 0.2888,
                          "peak": 0.7508,
                          "clipping": false,
                          "headroomDb": 2.49,
                          "lowLevel": false
                        },
                        "objectivePenalty": {
                          "total": 52.784,
                          "mix": {
                            "slopeDbPerOct": -6.874,
                            "slopePenalty": 2.1861,
                            "rolloffPenalty": 3.1735,
                            "presenceRatio": 0.0387,
                            "presencePenalty": 0.9106,
                            "presenceFloorPenalty": 1.3219,
                            "mixPenaltyScale": 1
                          },
                          "mud": {
                            "ratio": 0.2963,
                            "penalty": 0
                          },
                          "top": [
                            {
                              "instrument": "snare",
                              "score": 40.261,
                              "skipped": false
                            },
                            {
                              "instrument": "kick",
                              "score": 17.84,
                              "skipped": false
                            },
                            {
                              "instrument": "hat",
                              "score": 2.227,
                              "skipped": false
                            }
                          ],
                          "eqPenalty": 3.3732
                        },
                        "score": {
                          "total": 52.784,
                          "mix": {
                            "slopeDbPerOct": -6.874,
                            "slopePenalty": 2.1861,
                            "rolloffPenalty": 3.1735,
                            "presenceRatio": 0.0387,
                            "presencePenalty": 0.9106,
                            "presenceFloorPenalty": 1.3219,
                            "mixPenaltyScale": 1
                          },
                          "mud": {
                            "ratio": 0.2963,
                            "penalty": 0
                          },
                          "top": [
                            {
                              "instrument": "snare",
                              "score": 40.261,
                              "skipped": false
                            },
                            {
                              "instrument": "kick",
                              "score": 17.84,
                              "skipped": false
                            },
                            {
                              "instrument": "hat",
                              "score": 2.227,
                              "skipped": false
                            }
                          ],
                          "eqPenalty": 3.3732
                        },
                        "activeInstrumentCount": 7,
                        "activeInstruments": [
                          {
                            "name": "kick",
                            "rms": 0.1638,
                            "peak": 0.8076,
                            "totalEnergy": 0.010533
                          },
                          {
                            "name": "snare",
                            "rms": 0.1085,
                            "peak": 0.6418,
                            "totalEnergy": 0.00468
                          },
                          {
                            "name": "hat",
                            "rms": 0.0112,
                            "peak": 0.1242,
                            "totalEnergy": 0.000033
                          },
                          {
                            "name": "bass",
                            "rms": 0.0264,
                            "peak": 0.1086,
                            "totalEnergy": 0.000114
                          },
                          {
                            "name": "chord",
                            "rms": 0.002,
                            "peak": 0.0079,
                            "totalEnergy": 0.000001
                          },
                          {
                            "name": "guitar",
                            "rms": 0.0437,
                            "peak": 0.2334,
                            "totalEnergy": 0.000323
                          },
                          {
                            "name": "rhythmSynth",
                            "rms": 0.0094,
                            "peak": 0.024,
                            "totalEnergy": 0.000015
                          }
                        ],
                        "error": null
                      }
                    ],
                    "findings": []
                  }
                },
                {
                  "index": 3,
                  "candidate": {
                    "track": "guitar",
                    "value": 0.47000000000000003,
                    "label": "guitar -0.18",
                    "claimCandidate": {
                      "id": "set-guitar-level-0.65-to-0.47",
                      "kind": "change_claim_candidate",
                      "domain": "audio_mix",
                      "strategy": "mix-level-search",
                      "evidenceRolePattern": "interaction_snapshots",
                      "claim": "Setting guitar level from 0.65 to 0.47 changes rendered guitar metrics while preserving Neon proof invariants.",
                      "action": {
                        "type": "set_mixer_level",
                        "track": "guitar",
                        "from": 0.65,
                        "to": 0.47000000000000003,
                        "delta": -0.18
                      },
                      "expectedReceipts": [
                        "mixer edit accepted",
                        "candidate track matches requested intent",
                        "candidate direction matches requested intent",
                        "contract mixer level reflects requested value",
                        "rendered target track metrics changed",
                        "required instruments remain active",
                        "required section energy floors remain active",
                        "no clipping",
                        "headroom guardrail is preserved",
                        "no low-level proof window"
                      ],
                      "rankingHint": {
                        "metric": "objective_mix_health_penalty",
                        "lowerIsBetter": true,
                        "role": "review_order_only"
                      }
                    }
                  },
                  "claimCandidate": {
                    "id": "set-guitar-level-0.65-to-0.47",
                    "kind": "change_claim_candidate",
                    "domain": "audio_mix",
                    "strategy": "mix-level-search",
                    "evidenceRolePattern": "interaction_snapshots",
                    "claim": "Setting guitar level from 0.65 to 0.47 changes rendered guitar metrics while preserving Neon proof invariants.",
                    "action": {
                      "type": "set_mixer_level",
                      "track": "guitar",
                      "from": 0.65,
                      "to": 0.47000000000000003,
                      "delta": -0.18
                    },
                    "expectedReceipts": [
                      "mixer edit accepted",
                      "candidate track matches requested intent",
                      "candidate direction matches requested intent",
                      "contract mixer level reflects requested value",
                      "rendered target track metrics changed",
                      "required instruments remain active",
                      "required section energy floors remain active",
                      "no clipping",
                      "headroom guardrail is preserved",
                      "no low-level proof window"
                    ],
                    "rankingHint": {
                      "metric": "objective_mix_health_penalty",
                      "lowerIsBetter": true,
                      "role": "review_order_only"
                    }
                  },
                  "baselineRestoreReceipts": [
                    {
                      "ok": true,
                      "proofKind": "neon-mixer-edit",
                      "track": "guitar",
                      "before": 0.55,
                      "value": 0.65,
                      "levels": null
                    }
                  ],
                  "edit": {
                    "ok": true,
                    "proofKind": "neon-mixer-edit",
                    "track": "guitar",
                    "before": 0.65,
                    "value": 0.47000000000000003,
                    "levels": null
                  },
                  "claimReceipts": [
                    {
                      "name": "mixer_edit_accepted",
                      "ok": true,
                      "evidence": {
                        "proofKind": "neon-mixer-edit",
                        "track": "guitar",
                        "error": null
                      }
                    },
                    {
                      "name": "candidate_track_matches_requested_intent",
                      "ok": true,
                      "evidence": {
                        "requestedTargetTracks": [
                          "guitar"
                        ],
                        "candidateTrack": "guitar",
                        "source": "explicit_args"
                      }
                    },
                    {
                      "name": "candidate_direction_matches_requested_intent",
                      "ok": true,
                      "evidence": {
                        "requestedDirection": "down",
                        "candidateDelta": -0.18,
                        "source": "explicit_args"
                      }
                    },
                    {
                      "name": "contract_mixer_level_reflects_action",
                      "ok": true,
                      "evidence": {
                        "track": "guitar",
                        "expectedLevel": 0.47000000000000003,
                        "observedLevel": 0.47
                      }
                    },
                    {
                      "name": "rendered_target_metric_changed",
                      "ok": true,
                      "evidence": {
                        "track": "guitar",
                        "moved": true,
                        "before": {
                          "track": "guitar",
                          "sampleCount": 2,
                          "activeCount": 0,
                          "rms": 0.0462,
                          "peak": 0.252,
                          "totalEnergy": 0.000374
                        },
                        "after": {
                          "track": "guitar",
                          "sampleCount": 2,
                          "activeCount": 0,
                          "rms": 0.03345,
                          "peak": 0.1823,
                          "totalEnergy": 0.000196
                        },
                        "deltas": {
                          "rms": -0.01275,
                          "peak": -0.0697,
                          "totalEnergy": -0.000178
                        },
                        "thresholds": {
                          "rms": 0.00001,
                          "peak": 0.00001,
                          "totalEnergy": 0.000001
                        }
                      }
                    },
                    {
                      "name": "required_instruments_preserved",
                      "ok": true,
                      "evidence": {
                        "windowCount": 2,
                        "findingCount": 0,
                        "findings": []
                      }
                    },
                    {
                      "name": "section_energy_floors_preserved",
                      "ok": true,
                      "evidence": {
                        "sectionCount": 2,
                        "requiredSectionEnergyFloorsPreserved": true,
                        "sections": [
                          {
                            "name": "introBed",
                            "label": "Intro Bed",
                            "requiredEnergyFloorsPreserved": true,
                            "requiredEnergyFloors": [
                              {
                                "name": "bass",
                                "preserved": true,
                                "floors": {
                                  "rms": 0.0005,
                                  "peak": 0.001,
                                  "totalEnergy": 0.000001
                                },
                                "baseline": {
                                  "rms": 0.0209,
                                  "peak": 0.0838,
                                  "totalEnergy": 0.000087
                                },
                                "candidate": {
                                  "rms": 0.0209,
                                  "peak": 0.0838,
                                  "totalEnergy": 0.000087
                                }
                              },
                              {
                                "name": "chord",
                                "preserved": true,
                                "floors": {
                                  "rms": 0.0005,
                                  "peak": 0.001,
                                  "totalEnergy": 0.000001
                                },
                                "baseline": {
                                  "rms": 0.0022,
                                  "peak": 0.0079,
                                  "totalEnergy": 0.000001
                                },
                                "candidate": {
                                  "rms": 0.0022,
                                  "peak": 0.0079,
                                  "totalEnergy": 0.000001
                                }
                              },
                              {
                                "name": "guitar",
                                "preserved": true,
                                "floors": {
                                  "rms": 0.0005,
                                  "peak": 0.001,
                                  "totalEnergy": 0.000001
                                },
                                "baseline": {
                                  "rms": 0.0407,
                                  "peak": 0.2284,
                                  "totalEnergy": 0.000298
                                },
                                "candidate": {
                                  "rms": 0.0295,
                                  "peak": 0.1652,
                                  "totalEnergy": 0.000156
                                }
                              }
                            ]
                          },
                          {
                            "name": "vocalEntry",
                            "label": "Vocal Entry",
                            "requiredEnergyFloorsPreserved": true,
                            "requiredEnergyFloors": [
                              {
                                "name": "rhythmSynth",
                                "preserved": true,
                                "floors": {
                                  "rms": 0.0005,
                                  "peak": 0.001,
                                  "totalEnergy": 0.000001
                                },
                                "baseline": {
                                  "rms": 0.0094,
                                  "peak": 0.024,
                                  "totalEnergy": 0.000015
                                },
                                "candidate": {
                                  "rms": 0.0094,
                                  "peak": 0.024,
                                  "totalEnergy": 0.000015
                                }
                              }
                            ]
                          }
                        ]
                      }
                    },
                    {
                      "name": "no_clipping",
                      "ok": true,
                      "evidence": {
                        "clippingWindows": []
                      }
                    },
                    {
                      "name": "headroom_guardrail_preserved",
                      "ok": true,
                      "evidence": {
                        "minHeadroomDb": 0.5,
                        "sections": [
                          {
                            "name": "introBed",
                            "headroomDb": 2.69,
                            "headroomOk": true
                          },
                          {
                            "name": "vocalEntry",
                            "headroomDb": 2.65,
                            "headroomOk": true
                          }
                        ]
                      }
                    },
                    {
                      "name": "no_low_level_proof_window",
                      "ok": true,
                      "evidence": {
                        "lowLevelWindows": []
                      }
                    }
                  ],
                  "claimVerdict": {
                    "ok": true,
                    "status": "supported",
                    "classification": null,
                    "failedReceipts": []
                  },
                  "candidateRankingMetric": 63.672599999999996,
                  "sectionHeuristicReviewMetric": 0.9518,
                  "sectionEnergyComparison": {
                    "version": "riddle-proof.audio-section-heuristics.v1",
                    "role": "metric_supported_review_order",
                    "sectionCount": 2,
                    "sections": [
                      {
                        "name": "introBed",
                        "label": "Intro Bed",
                        "baseline": {
                          "rms": 0.1115,
                          "peak": 0.7747,
                          "totalEnergy": 0.015805,
                          "loudnessStyleLufs": -19.75,
                          "headroomDb": 2.22,
                          "clipping": false,
                          "lowLevel": false
                        },
                        "candidate": {
                          "rms": 0.0913,
                          "peak": 0.7334,
                          "totalEnergy": 0.015663,
                          "loudnessStyleLufs": -21.48,
                          "headroomDb": 2.69,
                          "clipping": false,
                          "lowLevel": false
                        },
                        "delta": {
                          "rms": -0.0202,
                          "peak": -0.0413,
                          "totalEnergy": -0.000142,
                          "loudnessStyleLufs": -1.73,
                          "headroomDb": 0.47
                        },
                        "trackedInstruments": [
                          {
                            "name": "guitar",
                            "baseline": {
                              "rms": 0.0407,
                              "peak": 0.2284,
                              "totalEnergy": 0.000298
                            },
                            "candidate": {
                              "rms": 0.0295,
                              "peak": 0.1652,
                              "totalEnergy": 0.000156
                            },
                            "delta": {
                              "rms": -0.0112,
                              "peak": -0.0632,
                              "totalEnergy": -0.000142
                            }
                          }
                        ],
                        "requiredEnergyFloors": [
                          {
                            "name": "bass",
                            "preserved": true,
                            "floors": {
                              "rms": 0.0005,
                              "peak": 0.001,
                              "totalEnergy": 0.000001
                            },
                            "baseline": {
                              "rms": 0.0209,
                              "peak": 0.0838,
                              "totalEnergy": 0.000087
                            },
                            "candidate": {
                              "rms": 0.0209,
                              "peak": 0.0838,
                              "totalEnergy": 0.000087
                            }
                          },
                          {
                            "name": "chord",
                            "preserved": true,
                            "floors": {
                              "rms": 0.0005,
                              "peak": 0.001,
                              "totalEnergy": 0.000001
                            },
                            "baseline": {
                              "rms": 0.0022,
                              "peak": 0.0079,
                              "totalEnergy": 0.000001
                            },
                            "candidate": {
                              "rms": 0.0022,
                              "peak": 0.0079,
                              "totalEnergy": 0.000001
                            }
                          },
                          {
                            "name": "guitar",
                            "preserved": true,
                            "floors": {
                              "rms": 0.0005,
                              "peak": 0.001,
                              "totalEnergy": 0.000001
                            },
                            "baseline": {
                              "rms": 0.0407,
                              "peak": 0.2284,
                              "totalEnergy": 0.000298
                            },
                            "candidate": {
                              "rms": 0.0295,
                              "peak": 0.1652,
                              "totalEnergy": 0.000156
                            }
                          }
                        ],
                        "requiredEnergyFloorsPreserved": true,
                        "guardrails": {
                          "clipping": false,
                          "lowLevel": false,
                          "headroomDb": 2.69,
                          "minHeadroomDb": 0.5,
                          "headroomOk": true,
                          "violated": []
                        }
                      },
                      {
                        "name": "vocalEntry",
                        "label": "Vocal Entry",
                        "baseline": {
                          "rms": 0.2921,
                          "peak": 0.7726,
                          "totalEnergy": 0.015827,
                          "loudnessStyleLufs": -11.38,
                          "headroomDb": 2.24,
                          "clipping": false,
                          "lowLevel": false
                        },
                        "candidate": {
                          "rms": 0.2863,
                          "peak": 0.7371,
                          "totalEnergy": 0.015612,
                          "loudnessStyleLufs": -11.55,
                          "headroomDb": 2.65,
                          "clipping": false,
                          "lowLevel": false
                        },
                        "delta": {
                          "rms": -0.0058,
                          "peak": -0.0355,
                          "totalEnergy": -0.000215,
                          "loudnessStyleLufs": -0.17,
                          "headroomDb": 0.41
                        },
                        "trackedInstruments": [
                          {
                            "name": "guitar",
                            "baseline": {
                              "rms": 0.0517,
                              "peak": 0.2756,
                              "totalEnergy": 0.000451
                            },
                            "candidate": {
                              "rms": 0.0374,
                              "peak": 0.1994,
                              "totalEnergy": 0.000236
                            },
                            "delta": {
                              "rms": -0.0143,
                              "peak": -0.0762,
                              "totalEnergy": -0.000215
                            }
                          }
                        ],
                        "requiredEnergyFloors": [
                          {
                            "name": "rhythmSynth",
                            "preserved": true,
                            "floors": {
                              "rms": 0.0005,
                              "peak": 0.001,
                              "totalEnergy": 0.000001
                            },
                            "baseline": {
                              "rms": 0.0094,
                              "peak": 0.024,
                              "totalEnergy": 0.000015
                            },
                            "candidate": {
                              "rms": 0.0094,
                              "peak": 0.024,
                              "totalEnergy": 0.000015
                            }
                          }
                        ],
                        "requiredEnergyFloorsPreserved": true,
                        "guardrails": {
                          "clipping": false,
                          "lowLevel": false,
                          "headroomDb": 2.65,
                          "minHeadroomDb": 0.5,
                          "headroomOk": true,
                          "violated": []
                        }
                      }
                    ],
                    "requiredSectionEnergyFloorsPreserved": true,
                    "guardrailsPreserved": true,
                    "violationCount": 0,
                    "averageAbsLoudnessDelta": 0.95,
                    "averageAbsEnergyDelta": 0.000179,
                    "floors": {
                      "requiredRmsFloor": 0.0005,
                      "requiredPeakFloor": 0.001,
                      "requiredTotalEnergyFloor": 0.000001,
                      "minHeadroomDb": 0.5
                    },
                    "trackedInstruments": [
                      "guitar"
                    ],
                    "boundary": "Loudness-style and section-energy metrics rank candidates for review; they do not prove subjective mix quality."
                  },
                  "summary": {
                    "ok": true,
                    "proofKind": "offline-audio-window-set",
                    "mixProfile": {
                      "id": "monkberry-moon-delight-eq-lane-mix-v7",
                      "label": "Monkberry humanized EQ mix",
                      "mixerLevels": {
                        "kick": 0.9,
                        "snare": 0.67,
                        "hat": 0.34,
                        "clap": 0.27,
                        "rim": 0.29,
                        "bass": 0.62,
                        "chord": 0.16,
                        "guitar": 0.65,
                        "rhythmSynth": 0.84
                      }
                    },
                    "windowCount": 2,
                    "passedCount": 2,
                    "findingCount": 0,
                    "status": "passed",
                    "windows": [
                      {
                        "name": "introBed",
                        "label": "Intro Bed",
                        "ok": true,
                        "status": "passed",
                        "classification": null,
                        "requiredActive": [
                          "bass",
                          "chord",
                          "guitar"
                        ],
                        "requiredInstruments": [
                          {
                            "name": "bass",
                            "active": true,
                            "rms": 0.0209,
                            "peak": 0.0838,
                            "totalEnergy": 0.000087
                          },
                          {
                            "name": "chord",
                            "active": true,
                            "rms": 0.0022,
                            "peak": 0.0079,
                            "totalEnergy": 0.000001
                          },
                          {
                            "name": "guitar",
                            "active": true,
                            "rms": 0.0295,
                            "peak": 0.1652,
                            "totalEnergy": 0.000156
                          }
                        ],
                        "missingRequiredActive": [],
                        "mixHealth": {
                          "rms": 0.0913,
                          "peak": 0.7334,
                          "clipping": false,
                          "headroomDb": 2.69,
                          "lowLevel": false
                        },
                        "objectivePenalty": {
                          "total": 72.2397,
                          "mix": {
                            "slopeDbPerOct": -6.18,
                            "slopePenalty": 0.8101,
                            "rolloffPenalty": 2.93,
                            "presenceRatio": 0.0454,
                            "presencePenalty": 0.8365,
                            "presenceFloorPenalty": 1.113,
                            "mixPenaltyScale": 1
                          },
                          "mud": {
                            "ratio": 0.2113,
                            "penalty": 0
                          },
                          "top": [
                            {
                              "instrument": "kick",
                              "score": 89.342,
                              "skipped": false
                            },
                            {
                              "instrument": "snare",
                              "score": 57.978,
                              "skipped": false
                            },
                            {
                              "instrument": "hat",
                              "score": 2.228,
                              "skipped": false
                            }
                          ],
                          "eqPenalty": 3.3732
                        },
                        "score": {
                          "total": 72.2397,
                          "mix": {
                            "slopeDbPerOct": -6.18,
                            "slopePenalty": 0.8101,
                            "rolloffPenalty": 2.93,
                            "presenceRatio": 0.0454,
                            "presencePenalty": 0.8365,
                            "presenceFloorPenalty": 1.113,
                            "mixPenaltyScale": 1
                          },
                          "mud": {
                            "ratio": 0.2113,
                            "penalty": 0
                          },
                          "top": [
                            {
                              "instrument": "kick",
                              "score": 89.342,
                              "skipped": false
                            },
                            {
                              "instrument": "snare",
                              "score": 57.978,
                              "skipped": false
                            },
                            {
                              "instrument": "hat",
                              "score": 2.228,
                              "skipped": false
                            }
                          ],
                          "eqPenalty": 3.3732
                        },
                        "activeInstrumentCount": 6,
                        "activeInstruments": [
                          {
                            "name": "kick",
                            "rms": 0.1772,
                            "peak": 0.8076,
                            "totalEnergy": 0.011746
                          },
                          {
                            "name": "snare",
                            "rms": 0.1014,
                            "peak": 0.5843,
                            "totalEnergy": 0.00364
                          },
                          {
                            "name": "hat",
                            "rms": 0.0113,
                            "peak": 0.124,
                            "totalEnergy": 0.000033
                          },
                          {
                            "name": "bass",
                            "rms": 0.0209,
                            "peak": 0.0838,
                            "totalEnergy": 0.000087
                          },
                          {
                            "name": "chord",
                            "rms": 0.0022,
                            "peak": 0.0079,
                            "totalEnergy": 0.000001
                          },
                          {
                            "name": "guitar",
                            "rms": 0.0295,
                            "peak": 0.1652,
                            "totalEnergy": 0.000156
                          }
                        ],
                        "error": null
                      },
                      {
                        "name": "vocalEntry",
                        "label": "Vocal Entry",
                        "ok": true,
                        "status": "passed",
                        "classification": null,
                        "requiredActive": [
                          "rhythmSynth"
                        ],
                        "requiredInstruments": [
                          {
                            "name": "rhythmSynth",
                            "active": true,
                            "rms": 0.0094,
                            "peak": 0.024,
                            "totalEnergy": 0.000015
                          }
                        ],
                        "missingRequiredActive": [],
                        "mixHealth": {
                          "rms": 0.2863,
                          "peak": 0.7371,
                          "clipping": false,
                          "headroomDb": 2.65,
                          "lowLevel": false
                        },
                        "objectivePenalty": {
                          "total": 53.2019,
                          "mix": {
                            "slopeDbPerOct": -6.914,
                            "slopePenalty": 2.2864,
                            "rolloffPenalty": 3.1735,
                            "presenceRatio": 0.0386,
                            "presencePenalty": 0.9117,
                            "presenceFloorPenalty": 1.3252,
                            "mixPenaltyScale": 1
                          },
                          "mud": {
                            "ratio": 0.2932,
                            "penalty": 0
                          },
                          "top": [
                            {
                              "instrument": "snare",
                              "score": 40.261,
                              "skipped": false
                            },
                            {
                              "instrument": "kick",
                              "score": 17.84,
                              "skipped": false
                            },
                            {
                              "instrument": "hat",
                              "score": 2.227,
                              "skipped": false
                            }
                          ],
                          "eqPenalty": 3.3732
                        },
                        "score": {
                          "total": 53.2019,
                          "mix": {
                            "slopeDbPerOct": -6.914,
                            "slopePenalty": 2.2864,
                            "rolloffPenalty": 3.1735,
                            "presenceRatio": 0.0386,
                            "presencePenalty": 0.9117,
                            "presenceFloorPenalty": 1.3252,
                            "mixPenaltyScale": 1
                          },
                          "mud": {
                            "ratio": 0.2932,
                            "penalty": 0
                          },
                          "top": [
                            {
                              "instrument": "snare",
                              "score": 40.261,
                              "skipped": false
                            },
                            {
                              "instrument": "kick",
                              "score": 17.84,
                              "skipped": false
                            },
                            {
                              "instrument": "hat",
                              "score": 2.227,
                              "skipped": false
                            }
                          ],
                          "eqPenalty": 3.3732
                        },
                        "activeInstrumentCount": 7,
                        "activeInstruments": [
                          {
                            "name": "kick",
                            "rms": 0.1638,
                            "peak": 0.8076,
                            "totalEnergy": 0.010533
                          },
                          {
                            "name": "snare",
                            "rms": 0.1085,
                            "peak": 0.6418,
                            "totalEnergy": 0.00468
                          },
                          {
                            "name": "hat",
                            "rms": 0.0112,
                            "peak": 0.1242,
                            "totalEnergy": 0.000033
                          },
                          {
                            "name": "bass",
                            "rms": 0.0264,
                            "peak": 0.1086,
                            "totalEnergy": 0.000114
                          },
                          {
                            "name": "chord",
                            "rms": 0.002,
                            "peak": 0.0079,
                            "totalEnergy": 0.000001
                          },
                          {
                            "name": "guitar",
                            "rms": 0.0374,
                            "peak": 0.1994,
                            "totalEnergy": 0.000236
                          },
                          {
                            "name": "rhythmSynth",
                            "rms": 0.0094,
                            "peak": 0.024,
                            "totalEnergy": 0.000015
                          }
                        ],
                        "error": null
                      }
                    ],
                    "findings": []
                  }
                }
              ],
              "best": {
                "index": 1,
                "candidate": {
                  "track": "guitar",
                  "value": 0.6,
                  "label": "guitar -0.05",
                  "claimCandidate": {
                    "id": "set-guitar-level-0.65-to-0.60",
                    "kind": "change_claim_candidate",
                    "domain": "audio_mix",
                    "strategy": "mix-level-search",
                    "evidenceRolePattern": "interaction_snapshots",
                    "claim": "Setting guitar level from 0.65 to 0.60 changes rendered guitar metrics while preserving Neon proof invariants.",
                    "action": {
                      "type": "set_mixer_level",
                      "track": "guitar",
                      "from": 0.65,
                      "to": 0.6,
                      "delta": -0.05
                    },
                    "expectedReceipts": [
                      "mixer edit accepted",
                      "candidate track matches requested intent",
                      "candidate direction matches requested intent",
                      "contract mixer level reflects requested value",
                      "rendered target track metrics changed",
                      "required instruments remain active",
                      "required section energy floors remain active",
                      "no clipping",
                      "headroom guardrail is preserved",
                      "no low-level proof window"
                    ],
                    "rankingHint": {
                      "metric": "objective_mix_health_penalty",
                      "lowerIsBetter": true,
                      "role": "review_order_only"
                    }
                  }
                },
                "claimCandidate": {
                  "id": "set-guitar-level-0.65-to-0.60",
                  "kind": "change_claim_candidate",
                  "domain": "audio_mix",
                  "strategy": "mix-level-search",
                  "evidenceRolePattern": "interaction_snapshots",
                  "claim": "Setting guitar level from 0.65 to 0.60 changes rendered guitar metrics while preserving Neon proof invariants.",
                  "action": {
                    "type": "set_mixer_level",
                    "track": "guitar",
                    "from": 0.65,
                    "to": 0.6,
                    "delta": -0.05
                  },
                  "expectedReceipts": [
                    "mixer edit accepted",
                    "candidate track matches requested intent",
                    "candidate direction matches requested intent",
                    "contract mixer level reflects requested value",
                    "rendered target track metrics changed",
                    "required instruments remain active",
                    "required section energy floors remain active",
                    "no clipping",
                    "headroom guardrail is preserved",
                    "no low-level proof window"
                  ],
                  "rankingHint": {
                    "metric": "objective_mix_health_penalty",
                    "lowerIsBetter": true,
                    "role": "review_order_only"
                  }
                },
                "baselineRestoreReceipts": [
                  {
                    "ok": true,
                    "proofKind": "neon-mixer-edit",
                    "track": "guitar",
                    "before": 0.65,
                    "value": 0.65,
                    "levels": null
                  }
                ],
                "edit": {
                  "ok": true,
                  "proofKind": "neon-mixer-edit",
                  "track": "guitar",
                  "before": 0.65,
                  "value": 0.6,
                  "levels": null
                },
                "claimReceipts": [
                  {
                    "name": "mixer_edit_accepted",
                    "ok": true,
                    "evidence": {
                      "proofKind": "neon-mixer-edit",
                      "track": "guitar",
                      "error": null
                    }
                  },
                  {
                    "name": "candidate_track_matches_requested_intent",
                    "ok": true,
                    "evidence": {
                      "requestedTargetTracks": [
                        "guitar"
                      ],
                      "candidateTrack": "guitar",
                      "source": "explicit_args"
                    }
                  },
                  {
                    "name": "candidate_direction_matches_requested_intent",
                    "ok": true,
                    "evidence": {
                      "requestedDirection": "down",
                      "candidateDelta": -0.05,
                      "source": "explicit_args"
                    }
                  },
                  {
                    "name": "contract_mixer_level_reflects_action",
                    "ok": true,
                    "evidence": {
                      "track": "guitar",
                      "expectedLevel": 0.6,
                      "observedLevel": 0.6
                    }
                  },
                  {
                    "name": "rendered_target_metric_changed",
                    "ok": true,
                    "evidence": {
                      "track": "guitar",
                      "moved": true,
                      "before": {
                        "track": "guitar",
                        "sampleCount": 2,
                        "activeCount": 0,
                        "rms": 0.0462,
                        "peak": 0.252,
                        "totalEnergy": 0.000374
                      },
                      "after": {
                        "track": "guitar",
                        "sampleCount": 2,
                        "activeCount": 0,
                        "rms": 0.04265,
                        "peak": 0.23275,
                        "totalEnergy": 0.00032
                      },
                      "deltas": {
                        "rms": -0.00355,
                        "peak": -0.01925,
                        "totalEnergy": -0.000054
                      },
                      "thresholds": {
                        "rms": 0.00001,
                        "peak": 0.00001,
                        "totalEnergy": 0.000001
                      }
                    }
                  },
                  {
                    "name": "required_instruments_preserved",
                    "ok": true,
                    "evidence": {
                      "windowCount": 2,
                      "findingCount": 0,
                      "findings": []
                    }
                  },
                  {
                    "name": "section_energy_floors_preserved",
                    "ok": true,
                    "evidence": {
                      "sectionCount": 2,
                      "requiredSectionEnergyFloorsPreserved": true,
                      "sections": [
                        {
                          "name": "introBed",
                          "label": "Intro Bed",
                          "requiredEnergyFloorsPreserved": true,
                          "requiredEnergyFloors": [
                            {
                              "name": "bass",
                              "preserved": true,
                              "floors": {
                                "rms": 0.0005,
                                "peak": 0.001,
                                "totalEnergy": 0.000001
                              },
                              "baseline": {
                                "rms": 0.0209,
                                "peak": 0.0838,
                                "totalEnergy": 0.000087
                              },
                              "candidate": {
                                "rms": 0.0209,
                                "peak": 0.0838,
                                "totalEnergy": 0.000087
                              }
                            },
                            {
                              "name": "chord",
                              "preserved": true,
                              "floors": {
                                "rms": 0.0005,
                                "peak": 0.001,
                                "totalEnergy": 0.000001
                              },
                              "baseline": {
                                "rms": 0.0022,
                                "peak": 0.0079,
                                "totalEnergy": 0.000001
                              },
                              "candidate": {
                                "rms": 0.0022,
                                "peak": 0.0079,
                                "totalEnergy": 0.000001
                              }
                            },
                            {
                              "name": "guitar",
                              "preserved": true,
                              "floors": {
                                "rms": 0.0005,
                                "peak": 0.001,
                                "totalEnergy": 0.000001
                              },
                              "baseline": {
                                "rms": 0.0407,
                                "peak": 0.2284,
                                "totalEnergy": 0.000298
                              },
                              "candidate": {
                                "rms": 0.0376,
                                "peak": 0.2109,
                                "totalEnergy": 0.000254
                              }
                            }
                          ]
                        },
                        {
                          "name": "vocalEntry",
                          "label": "Vocal Entry",
                          "requiredEnergyFloorsPreserved": true,
                          "requiredEnergyFloors": [
                            {
                              "name": "rhythmSynth",
                              "preserved": true,
                              "floors": {
                                "rms": 0.0005,
                                "peak": 0.001,
                                "totalEnergy": 0.000001
                              },
                              "baseline": {
                                "rms": 0.0094,
                                "peak": 0.024,
                                "totalEnergy": 0.000015
                              },
                              "candidate": {
                                "rms": 0.0094,
                                "peak": 0.024,
                                "totalEnergy": 0.000015
                              }
                            }
                          ]
                        }
                      ]
                    }
                  },
                  {
                    "name": "no_clipping",
                    "ok": true,
                    "evidence": {
                      "clippingWindows": []
                    }
                  },
                  {
                    "name": "headroom_guardrail_preserved",
                    "ok": true,
                    "evidence": {
                      "minHeadroomDb": 0.5,
                      "sections": [
                        {
                          "name": "introBed",
                          "headroomDb": 2.34,
                          "headroomOk": true
                        },
                        {
                          "name": "vocalEntry",
                          "headroomDb": 2.36,
                          "headroomOk": true
                        }
                      ]
                    }
                  },
                  {
                    "name": "no_low_level_proof_window",
                    "ok": true,
                    "evidence": {
                      "lowLevelWindows": []
                    }
                  }
                ],
                "claimVerdict": {
                  "ok": true,
                  "status": "supported",
                  "classification": null,
                  "failedReceipts": []
                },
                "candidateRankingMetric": 62.2099,
                "sectionHeuristicReviewMetric": 0.2405,
                "sectionEnergyComparison": {
                  "version": "riddle-proof.audio-section-heuristics.v1",
                  "role": "metric_supported_review_order",
                  "sectionCount": 2,
                  "sections": [
                    {
                      "name": "introBed",
                      "label": "Intro Bed",
                      "baseline": {
                        "rms": 0.1115,
                        "peak": 0.7747,
                        "totalEnergy": 0.015805,
                        "loudnessStyleLufs": -19.75,
                        "headroomDb": 2.22,
                        "clipping": false,
                        "lowLevel": false
                      },
                      "candidate": {
                        "rms": 0.106,
                        "peak": 0.7639,
                        "totalEnergy": 0.015761,
                        "loudnessStyleLufs": -20.18,
                        "headroomDb": 2.34,
                        "clipping": false,
                        "lowLevel": false
                      },
                      "delta": {
                        "rms": -0.0055,
                        "peak": -0.0108,
                        "totalEnergy": -0.000044,
                        "loudnessStyleLufs": -0.43,
                        "headroomDb": 0.12
                      },
                      "trackedInstruments": [
                        {
                          "name": "guitar",
                          "baseline": {
                            "rms": 0.0407,
                            "peak": 0.2284,
                            "totalEnergy": 0.000298
                          },
                          "candidate": {
                            "rms": 0.0376,
                            "peak": 0.2109,
                            "totalEnergy": 0.000254
                          },
                          "delta": {
                            "rms": -0.0031,
                            "peak": -0.0175,
                            "totalEnergy": -0.000044
                          }
                        }
                      ],
                      "requiredEnergyFloors": [
                        {
                          "name": "bass",
                          "preserved": true,
                          "floors": {
                            "rms": 0.0005,
                            "peak": 0.001,
                            "totalEnergy": 0.000001
                          },
                          "baseline": {
                            "rms": 0.0209,
                            "peak": 0.0838,
                            "totalEnergy": 0.000087
                          },
                          "candidate": {
                            "rms": 0.0209,
                            "peak": 0.0838,
                            "totalEnergy": 0.000087
                          }
                        },
                        {
                          "name": "chord",
                          "preserved": true,
                          "floors": {
                            "rms": 0.0005,
                            "peak": 0.001,
                            "totalEnergy": 0.000001
                          },
                          "baseline": {
                            "rms": 0.0022,
                            "peak": 0.0079,
                            "totalEnergy": 0.000001
                          },
                          "candidate": {
                            "rms": 0.0022,
                            "peak": 0.0079,
                            "totalEnergy": 0.000001
                          }
                        },
                        {
                          "name": "guitar",
                          "preserved": true,
                          "floors": {
                            "rms": 0.0005,
                            "peak": 0.001,
                            "totalEnergy": 0.000001
                          },
                          "baseline": {
                            "rms": 0.0407,
                            "peak": 0.2284,
                            "totalEnergy": 0.000298
                          },
                          "candidate": {
                            "rms": 0.0376,
                            "peak": 0.2109,
                            "totalEnergy": 0.000254
                          }
                        }
                      ],
                      "requiredEnergyFloorsPreserved": true,
                      "guardrails": {
                        "clipping": false,
                        "lowLevel": false,
                        "headroomDb": 2.34,
                        "minHeadroomDb": 0.5,
                        "headroomOk": true,
                        "violated": []
                      }
                    },
                    {
                      "name": "vocalEntry",
                      "label": "Vocal Entry",
                      "baseline": {
                        "rms": 0.2921,
                        "peak": 0.7726,
                        "totalEnergy": 0.015827,
                        "loudnessStyleLufs": -11.38,
                        "headroomDb": 2.24,
                        "clipping": false,
                        "lowLevel": false
                      },
                      "candidate": {
                        "rms": 0.2904,
                        "peak": 0.7619,
                        "totalEnergy": 0.015761,
                        "loudnessStyleLufs": -11.43,
                        "headroomDb": 2.36,
                        "clipping": false,
                        "lowLevel": false
                      },
                      "delta": {
                        "rms": -0.0017,
                        "peak": -0.0107,
                        "totalEnergy": -0.000066,
                        "loudnessStyleLufs": -0.05,
                        "headroomDb": 0.12
                      },
                      "trackedInstruments": [
                        {
                          "name": "guitar",
                          "baseline": {
                            "rms": 0.0517,
                            "peak": 0.2756,
                            "totalEnergy": 0.000451
                          },
                          "candidate": {
                            "rms": 0.0477,
                            "peak": 0.2546,
                            "totalEnergy": 0.000385
                          },
                          "delta": {
                            "rms": -0.004,
                            "peak": -0.021,
                            "totalEnergy": -0.000066
                          }
                        }
                      ],
                      "requiredEnergyFloors": [
                        {
                          "name": "rhythmSynth",
                          "preserved": true,
                          "floors": {
                            "rms": 0.0005,
                            "peak": 0.001,
                            "totalEnergy": 0.000001
                          },
                          "baseline": {
                            "rms": 0.0094,
                            "peak": 0.024,
                            "totalEnergy": 0.000015
                          },
                          "candidate": {
                            "rms": 0.0094,
                            "peak": 0.024,
                            "totalEnergy": 0.000015
                          }
                        }
                      ],
                      "requiredEnergyFloorsPreserved": true,
                      "guardrails": {
                        "clipping": false,
                        "lowLevel": false,
                        "headroomDb": 2.36,
                        "minHeadroomDb": 0.5,
                        "headroomOk": true,
                        "violated": []
                      }
                    }
                  ],
                  "requiredSectionEnergyFloorsPreserved": true,
                  "guardrailsPreserved": true,
                  "violationCount": 0,
                  "averageAbsLoudnessDelta": 0.24,
                  "averageAbsEnergyDelta": 0.000055,
                  "floors": {
                    "requiredRmsFloor": 0.0005,
                    "requiredPeakFloor": 0.001,
                    "requiredTotalEnergyFloor": 0.000001,
                    "minHeadroomDb": 0.5
                  },
                  "trackedInstruments": [
                    "guitar"
                  ],
                  "boundary": "Loudness-style and section-energy metrics rank candidates for review; they do not prove subjective mix quality."
                },
                "summary": {
                  "ok": true,
                  "proofKind": "offline-audio-window-set",
                  "mixProfile": {
                    "id": "monkberry-moon-delight-eq-lane-mix-v7",
                    "label": "Monkberry humanized EQ mix",
                    "mixerLevels": {
                      "kick": 0.9,
                      "snare": 0.67,
                      "hat": 0.34,
                      "clap": 0.27,
                      "rim": 0.29,
                      "bass": 0.62,
                      "chord": 0.16,
                      "guitar": 0.65,
                      "rhythmSynth": 0.84
                    }
                  },
                  "windowCount": 2,
                  "passedCount": 2,
                  "findingCount": 0,
                  "status": "passed",
                  "windows": [
                    {
                      "name": "introBed",
                      "label": "Intro Bed",
                      "ok": true,
                      "status": "passed",
                      "classification": null,
                      "requiredActive": [
                        "bass",
                        "chord",
                        "guitar"
                      ],
                      "requiredInstruments": [
                        {
                          "name": "bass",
                          "active": true,
                          "rms": 0.0209,
                          "peak": 0.0838,
                          "totalEnergy": 0.000087
                        },
                        {
                          "name": "chord",
                          "active": true,
                          "rms": 0.0022,
                          "peak": 0.0079,
                          "totalEnergy": 0.000001
                        },
                        {
                          "name": "guitar",
                          "active": true,
                          "rms": 0.0376,
                          "peak": 0.2109,
                          "totalEnergy": 0.000254
                        }
                      ],
                      "missingRequiredActive": [],
                      "mixHealth": {
                        "rms": 0.106,
                        "peak": 0.7639,
                        "clipping": false,
                        "headroomDb": 2.34,
                        "lowLevel": false
                      },
                      "objectivePenalty": {
                        "total": 71.3476,
                        "mix": {
                          "slopeDbPerOct": -6.047,
                          "slopePenalty": 0.6222,
                          "rolloffPenalty": 2.868,
                          "presenceRatio": 0.0451,
                          "presencePenalty": 0.8398,
                          "presenceFloorPenalty": 1.122,
                          "mixPenaltyScale": 1
                        },
                        "mud": {
                          "ratio": 0.2144,
                          "penalty": 0
                        },
                        "top": [
                          {
                            "instrument": "kick",
                            "score": 89.342,
                            "skipped": false
                          },
                          {
                            "instrument": "snare",
                            "score": 57.978,
                            "skipped": false
                          },
                          {
                            "instrument": "hat",
                            "score": 2.228,
                            "skipped": false
                          }
                        ],
                        "eqPenalty": 3.3732
                      },
                      "score": {
                        "total": 71.3476,
                        "mix": {
                          "slopeDbPerOct": -6.047,
                          "slopePenalty": 0.6222,
                          "rolloffPenalty": 2.868,
                          "presenceRatio": 0.0451,
                          "presencePenalty": 0.8398,
                          "presenceFloorPenalty": 1.122,
                          "mixPenaltyScale": 1
                        },
                        "mud": {
                          "ratio": 0.2144,
                          "penalty": 0
                        },
                        "top": [
                          {
                            "instrument": "kick",
                            "score": 89.342,
                            "skipped": false
                          },
                          {
                            "instrument": "snare",
                            "score": 57.978,
                            "skipped": false
                          },
                          {
                            "instrument": "hat",
                            "score": 2.228,
                            "skipped": false
                          }
                        ],
                        "eqPenalty": 3.3732
                      },
                      "activeInstrumentCount": 6,
                      "activeInstruments": [
                        {
                          "name": "kick",
                          "rms": 0.1772,
                          "peak": 0.8076,
                          "totalEnergy": 0.011746
                        },
                        {
                          "name": "snare",
                          "rms": 0.1014,
                          "peak": 0.5843,
                          "totalEnergy": 0.00364
                        },
                        {
                          "name": "hat",
                          "rms": 0.0113,
                          "peak": 0.124,
                          "totalEnergy": 0.000033
                        },
                        {
                          "name": "bass",
                          "rms": 0.0209,
                          "peak": 0.0838,
                          "totalEnergy": 0.000087
                        },
                        {
                          "name": "chord",
                          "rms": 0.0022,
                          "peak": 0.0079,
                          "totalEnergy": 0.000001
                        },
                        {
                          "name": "guitar",
                          "rms": 0.0376,
                          "peak": 0.2109,
                          "totalEnergy": 0.000254
                        }
                      ],
                      "error": null
                    },
                    {
                      "name": "vocalEntry",
                      "label": "Vocal Entry",
                      "ok": true,
                      "status": "passed",
                      "classification": null,
                      "requiredActive": [
                        "rhythmSynth"
                      ],
                      "requiredInstruments": [
                        {
                          "name": "rhythmSynth",
                          "active": true,
                          "rms": 0.0094,
                          "peak": 0.024,
                          "totalEnergy": 0.000015
                        }
                      ],
                      "missingRequiredActive": [],
                      "mixHealth": {
                        "rms": 0.2904,
                        "peak": 0.7619,
                        "clipping": false,
                        "headroomDb": 2.36,
                        "lowLevel": false
                      },
                      "objectivePenalty": {
                        "total": 52.5912,
                        "mix": {
                          "slopeDbPerOct": -6.853,
                          "slopePenalty": 2.135,
                          "rolloffPenalty": 3.1713,
                          "presenceRatio": 0.0386,
                          "presencePenalty": 0.9117,
                          "presenceFloorPenalty": 1.3252,
                          "mixPenaltyScale": 1
                        },
                        "mud": {
                          "ratio": 0.2985,
                          "penalty": 0
                        },
                        "top": [
                          {
                            "instrument": "snare",
                            "score": 40.261,
                            "skipped": false
                          },
                          {
                            "instrument": "kick",
                            "score": 17.84,
                            "skipped": false
                          },
                          {
                            "instrument": "hat",
                            "score": 2.227,
                            "skipped": false
                          }
                        ],
                        "eqPenalty": 3.3732
                      },
                      "score": {
                        "total": 52.5912,
                        "mix": {
                          "slopeDbPerOct": -6.853,
                          "slopePenalty": 2.135,
                          "rolloffPenalty": 3.1713,
                          "presenceRatio": 0.0386,
                          "presencePenalty": 0.9117,
                          "presenceFloorPenalty": 1.3252,
                          "mixPenaltyScale": 1
                        },
                        "mud": {
                          "ratio": 0.2985,
                          "penalty": 0
                        },
                        "top": [
                          {
                            "instrument": "snare",
                            "score": 40.261,
                            "skipped": false
                          },
                          {
                            "instrument": "kick",
                            "score": 17.84,
                            "skipped": false
                          },
                          {
                            "instrument": "hat",
                            "score": 2.227,
                            "skipped": false
                          }
                        ],
                        "eqPenalty": 3.3732
                      },
                      "activeInstrumentCount": 7,
                      "activeInstruments": [
                        {
                          "name": "kick",
                          "rms": 0.1638,
                          "peak": 0.8076,
                          "totalEnergy": 0.010533
                        },
                        {
                          "name": "snare",
                          "rms": 0.1085,
                          "peak": 0.6418,
                          "totalEnergy": 0.00468
                        },
                        {
                          "name": "hat",
                          "rms": 0.0112,
                          "peak": 0.1242,
                          "totalEnergy": 0.000033
                        },
                        {
                          "name": "bass",
                          "rms": 0.0264,
                          "peak": 0.1086,
                          "totalEnergy": 0.000114
                        },
                        {
                          "name": "chord",
                          "rms": 0.002,
                          "peak": 0.0079,
                          "totalEnergy": 0.000001
                        },
                        {
                          "name": "guitar",
                          "rms": 0.0477,
                          "peak": 0.2546,
                          "totalEnergy": 0.000385
                        },
                        {
                          "name": "rhythmSynth",
                          "rms": 0.0094,
                          "peak": 0.024,
                          "totalEnergy": 0.000015
                        }
                      ],
                      "error": null
                    }
                  ],
                  "findings": []
                }
              },
              "bestClaimCandidate": {
                "id": "set-guitar-level-0.65-to-0.60",
                "kind": "change_claim_candidate",
                "domain": "audio_mix",
                "strategy": "mix-level-search",
                "evidenceRolePattern": "interaction_snapshots",
                "claim": "Setting guitar level from 0.65 to 0.60 changes rendered guitar metrics while preserving Neon proof invariants.",
                "action": {
                  "type": "set_mixer_level",
                  "track": "guitar",
                  "from": 0.65,
                  "to": 0.6,
                  "delta": -0.05
                },
                "expectedReceipts": [
                  "mixer edit accepted",
                  "candidate track matches requested intent",
                  "candidate direction matches requested intent",
                  "contract mixer level reflects requested value",
                  "rendered target track metrics changed",
                  "required instruments remain active",
                  "required section energy floors remain active",
                  "no clipping",
                  "headroom guardrail is preserved",
                  "no low-level proof window"
                ],
                "rankingHint": {
                  "metric": "objective_mix_health_penalty",
                  "lowerIsBetter": true,
                  "role": "review_order_only"
                }
              },
              "humanReviewPacket": {
                "version": "neon-step-sequencer.human-review-packet.v1",
                "kind": "human_review_packet",
                "domain": "audio_mix",
                "status": "candidate_ready_for_listening_review",
                "evidenceRolePattern": "interaction_snapshots",
                "proofBoundary": "Objective receipts support or reject candidate change claims; musical taste still requires listening review.",
                "requestedIntent": "turn the guitar part down a little",
                "target": {
                  "routeState": {
                    "proofKind": "neon-route-state",
                    "route": "/games/drum-sequencer",
                    "mode": "song",
                    "selectedSong": "Monkberry Moon Delight (Tab)",
                    "selectedPartIndex": 0
                  },
                  "selectedSong": {
                    "proofKind": "neon-selected-song",
                    "selectedSong": "Monkberry Moon Delight (Tab)",
                    "partCount": 9,
                    "mixProfile": {
                      "id": "monkberry-moon-delight-eq-lane-mix-v7",
                      "label": "Monkberry humanized EQ mix",
                      "description": "Humanized imported-tab mix with softer vocal formants, fuller bass harmonics, darker pads, and a deeper shared room/plate space.",
                      "mixerLevels": {
                        "kick": 0.9,
                        "snare": 0.67,
                        "hat": 0.34,
                        "clap": 0.27,
                        "rim": 0.29,
                        "bass": 0.62,
                        "chord": 0.16,
                        "guitar": 0.65,
                        "rhythmSynth": 0.84
                      },
                      "proofWindows": [
                        {
                          "name": "introBed",
                          "label": "Intro Bed",
                          "bars": 1,
                          "seed": "riddle-sequencer-bed",
                          "requiredActive": [
                            "bass",
                            "chord",
                            "guitar"
                          ]
                        },
                        {
                          "name": "vocalEntry",
                          "label": "Vocal Entry",
                          "bars": 3,
                          "seed": "riddle-sequencer-vocal-melody",
                          "requiredActive": [
                            "rhythmSynth"
                          ]
                        }
                      ],
                      "eqSettings": {
                        "kick": [
                          2.2,
                          -0.8,
                          -3.2,
                          -4.5,
                          -5.5,
                          -5,
                          0.8,
                          0
                        ],
                        "snare": [
                          -6,
                          -2.5,
                          1.4,
                          -3,
                          -0.6,
                          1.4,
                          0.4,
                          -1.8
                        ],
                        "hat": [
                          -12,
                          -12,
                          -12,
                          -10,
                          -7,
                          -2.5,
                          -2.2,
                          -1.1
                        ],
                        "clap": [
                          -12,
                          -8,
                          -4,
                          -1.5,
                          0.8,
                          0,
                          -1,
                          -2
                        ],
                        "rim": [
                          -12,
                          -8,
                          -3.5,
                          -1.2,
                          0,
                          -0.5,
                          -1.2,
                          -2
                        ],
                        "bass": [
                          -1.2,
                          2.8,
                          -1.4,
                          -4.8,
                          -6,
                          -8,
                          -10,
                          -10
                        ],
                        "chord": [
                          -8,
                          -2.8,
                          -4.8,
                          -0.8,
                          -1,
                          -2.8,
                          -4.8,
                          -6.5
                        ],
                        "guitar": [
                          -8,
                          -4.8,
                          -3.4,
                          -2.2,
                          1.2,
                          1.4,
                          0.2,
                          -1.8
                        ],
                        "rhythmSynth": [
                          -10,
                          -6,
                          -3.8,
                          -1.6,
                          0.8,
                          1.8,
                          0,
                          -2.8
                        ]
                      },
                      "mixLanes": {
                        "kick": "Sub thump around 60 Hz with most low-mid box removed.",
                        "bass": "Bass foundation around 80-160 Hz with more 120 Hz body for small speakers.",
                        "snare": "Backbeat body near 250 Hz with controlled upper presence.",
                        "hat": "Soft high pulse, trimmed in brittle 4-8 kHz bands.",
                        "chord": "Darker pad bed with more room depth and less plasticky top.",
                        "guitar": "Mid/presence lane around 1-2 kHz, wider than the pad and glued into the shared music bus.",
                        "rhythmSynth": "Vocal melody lane in the upper mids, forward enough to survive the small-speaker monitor without crowding 1 kHz."
                      }
                    }
                  }
                },
                "request": {
                  "strategy": "mix-level-search",
                  "focusTracks": [
                    "guitar"
                  ],
                  "claimTarget": {
                    "targetTracks": [
                      "guitar"
                    ],
                    "direction": "down",
                    "source": "explicit_args",
                    "boundary": "Requested target and direction constrain objective candidate support; ranking still only orders listening review."
                  },
                  "maxIterations": 3,
                  "monitorProfile": "smallSpeaker",
                  "restore": true,
                  "applyBest": false,
                  "candidateActionsAreTransient": true,
                  "approval": null
                },
                "recommendation": {
                  "action": "review_before_applying_candidate",
                  "candidate": {
                    "index": 1,
                    "label": "guitar -0.05",
                    "status": "supported",
                    "classification": null,
                    "claim": "Setting guitar level from 0.65 to 0.60 changes rendered guitar metrics while preserving Neon proof invariants.",
                    "action": {
                      "type": "set_mixer_level",
                      "track": "guitar",
                      "from": 0.65,
                      "to": 0.6,
                      "delta": -0.05
                    },
                    "rankingMetric": 62.2099,
                    "receipts": [
                      {
                        "name": "mixer_edit_accepted",
                        "ok": true
                      },
                      {
                        "name": "candidate_track_matches_requested_intent",
                        "ok": true
                      },
                      {
                        "name": "candidate_direction_matches_requested_intent",
                        "ok": true
                      },
                      {
                        "name": "contract_mixer_level_reflects_action",
                        "ok": true
                      },
                      {
                        "name": "rendered_target_metric_changed",
                        "ok": true
                      },
                      {
                        "name": "required_instruments_preserved",
                        "ok": true
                      },
                      {
                        "name": "section_energy_floors_preserved",
                        "ok": true
                      },
                      {
                        "name": "no_clipping",
                        "ok": true
                      },
                      {
                        "name": "headroom_guardrail_preserved",
                        "ok": true
                      },
                      {
                        "name": "no_low_level_proof_window",
                        "ok": true
                      }
                    ],
                    "failedReceipts": [],
                    "guardrails": {
                      "mixerEditAccepted": true,
                      "candidateTrackMatchesRequestedIntent": true,
                      "candidateDirectionMatchesRequestedIntent": true,
                      "contractLevelReflected": true,
                      "renderedTargetMoved": true,
                      "requiredInstrumentsPreserved": true,
                      "requiredSectionEnergyFloorsPreserved": true,
                      "noClipping": true,
                      "headroomPreserved": true,
                      "noLowLevelProofWindow": true
                    },
                    "targetMovement": {
                      "track": "guitar",
                      "moved": true,
                      "deltas": {
                        "rms": -0.00355,
                        "peak": -0.01925,
                        "totalEnergy": -0.000054
                      },
                      "before": {
                        "track": "guitar",
                        "sampleCount": 2,
                        "activeCount": 0,
                        "rms": 0.0462,
                        "peak": 0.252,
                        "totalEnergy": 0.000374
                      },
                      "after": {
                        "track": "guitar",
                        "sampleCount": 2,
                        "activeCount": 0,
                        "rms": 0.04265,
                        "peak": 0.23275,
                        "totalEnergy": 0.00032
                      }
                    },
                    "requestedIntentMatch": {
                      "track": {
                        "requestedTargetTracks": [
                          "guitar"
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                        "candidateTrack": "guitar",
                        "source": "explicit_args"
                      },
                      "direction": {
                        "requestedDirection": "down",
                        "candidateDelta": -0.05,
                        "source": "explicit_args"
                      }
                    },
                    "sectionHeuristicReviewMetric": 0.2405,
                    "sectionEnergyComparison": {
                      "version": "riddle-proof.audio-section-heuristics.v1",
                      "role": "metric_supported_review_order",
                      "sectionCount": 2,
                      "sections": [
                        {
                          "name": "introBed",
                          "label": "Intro Bed",
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                            "peak": 0.7747,
                            "totalEnergy": 0.015805,
                            "loudnessStyleLufs": -19.75,
                            "headroomDb": 2.22,
                            "clipping": false,
                            "lowLevel": false
                          },
                          "candidate": {
                            "rms": 0.106,
                            "peak": 0.7639,
                            "totalEnergy": 0.015761,
                            "loudnessStyleLufs": -20.18,
                            "headroomDb": 2.34,
                            "clipping": false,
                            "lowLevel": false
                          },
                          "delta": {
                            "rms": -0.0055,
                            "peak": -0.0108,
                            "totalEnergy": -0.000044,
                            "loudnessStyleLufs": -0.43,
                            "headroomDb": 0.12
                          },
                          "trackedInstruments": [
                            {
                              "name": "guitar",
                              "baseline": {
                                "rms": 0.0407,
                                "peak": 0.2284,
                                "totalEnergy": 0.000298
                              },
                              "candidate": {
                                "rms": 0.0376,
                                "peak": 0.2109,
                                "totalEnergy": 0.000254
                              },
                              "delta": {
                                "rms": -0.0031,
                                "peak": -0.0175,
                                "totalEnergy": -0.000044
                              }
                            }
                          ],
                          "requiredEnergyFloors": [
                            {
                              "name": "bass",
                              "preserved": true,
                              "floors": {
                                "rms": 0.0005,
                                "peak": 0.001,
                                "totalEnergy": 0.000001
                              },
                              "baseline": {
                                "rms": 0.0209,
                                "peak": 0.0838,
                                "totalEnergy": 0.000087
                              },
                              "candidate": {
                                "rms": 0.0209,
                                "peak": 0.0838,
                                "totalEnergy": 0.000087
                              }
                            },
                            {
                              "name": "chord",
                              "preserved": true,
                              "floors": {
                                "rms": 0.0005,
                                "peak": 0.001,
                                "totalEnergy": 0.000001
                              },
                              "baseline": {
                                "rms": 0.0022,
                                "peak": 0.0079,
                                "totalEnergy": 0.000001
                              },
                              "candidate": {
                                "rms": 0.0022,
                                "peak": 0.0079,
                                "totalEnergy": 0.000001
                              }
                            },
                            {
                              "name": "guitar",
                              "preserved": true,
                              "floors": {
                                "rms": 0.0005,
                                "peak": 0.001,
                                "totalEnergy": 0.000001
                              },
                              "baseline": {
                                "rms": 0.0407,
                                "peak": 0.2284,
                                "totalEnergy": 0.000298
                              },
                              "candidate": {
                                "rms": 0.0376,
                                "peak": 0.2109,
                                "totalEnergy": 0.000254
                              }
                            }
                          ],
                          "requiredEnergyFloorsPreserved": true,
                          "guardrails": {
                            "clipping": false,
                            "lowLevel": false,
                            "headroomDb": 2.34,
                            "minHeadroomDb": 0.5,
                            "headroomOk": true,
                            "violated": []
                          }
                        },
                        {
                          "name": "vocalEntry",
                          "label": "Vocal Entry",
                          "baseline": {
                            "rms": 0.2921,
                            "peak": 0.7726,
                            "totalEnergy": 0.015827,
                            "loudnessStyleLufs": -11.38,
                            "headroomDb": 2.24,
                            "clipping": false,
                            "lowLevel": false
                          },
                          "candidate": {
                            "rms": 0.2904,
                            "peak": 0.7619,
                            "totalEnergy": 0.015761,
                            "loudnessStyleLufs": -11.43,
                            "headroomDb": 2.36,
                            "clipping": false,
                            "lowLevel": false
                          },
                          "delta": {
                            "rms": -0.0017,
                            "peak": -0.0107,
                            "totalEnergy": -0.000066,
                            "loudnessStyleLufs": -0.05,
                            "headroomDb": 0.12
                          },
                          "trackedInstruments": [
                            {
                              "name": "guitar",
                              "baseline": {
                                "rms": 0.0517,
                                "peak": 0.2756,
                                "totalEnergy": 0.000451
                              },
                              "candidate": {
                                "rms": 0.0477,
                                "peak": 0.2546,
                                "totalEnergy": 0.000385
                              },
                              "delta": {
                                "rms": -0.004,
                                "peak": -0.021,
                                "totalEnergy": -0.000066
                              }
                            }
                          ],
                          "requiredEnergyFloors": [
                            {
                              "name": "rhythmSynth",
                              "preserved": true,
                              "floors": {
                                "rms": 0.0005,
                                "peak": 0.001,
                                "totalEnergy": 0.000001
                              },
                              "baseline": {
                                "rms": 0.0094,
                                "peak": 0.024,
                                "totalEnergy": 0.000015
                              },
                              "candidate": {
                                "rms": 0.0094,
                                "peak": 0.024,
                                "totalEnergy": 0.000015
                              }
                            }
                          ],
                          "requiredEnergyFloorsPreserved": true,
                          "guardrails": {
                            "clipping": false,
                            "lowLevel": false,
                            "headroomDb": 2.36,
                            "minHeadroomDb": 0.5,
                            "headroomOk": true,
                            "violated": []
                          }
                        }
                      ],
                      "requiredSectionEnergyFloorsPreserved": true,
                      "guardrailsPreserved": true,
                      "violationCount": 0,
                      "averageAbsLoudnessDelta": 0.24,
                      "averageAbsEnergyDelta": 0.000055,
                      "floors": {
                        "requiredRmsFloor": 0.0005,
                        "requiredPeakFloor": 0.001,
                        "requiredTotalEnergyFloor": 0.000001,
                        "minHeadroomDb": 0.5
                      },
                      "trackedInstruments": [
                        "guitar"
                      ],
                      "boundary": "Loudness-style and section-energy metrics rank candidates for review; they do not prove subjective mix quality."
                    },
                    "summary": {
                      "status": "passed",
                      "windowCount": 2,
                      "findingCount": 0,
                      "mixProfile": {
                        "id": "monkberry-moon-delight-eq-lane-mix-v7",
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                          "snare": 0.67,
                          "hat": 0.34,
                          "clap": 0.27,
                          "rim": 0.29,
                          "bass": 0.62,
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                          "rhythmSynth": 0.84
                        }
                      }
                    }
                  },
                  "reason": "All objective claim receipts passed for this candidate; ranking only orders listening review."
                },
                "supportedCandidates": [
                  {
                    "index": 1,
                    "label": "guitar -0.05",
                    "status": "supported",
                    "classification": null,
                    "claim": "Setting guitar level from 0.65 to 0.60 changes rendered guitar metrics while preserving Neon proof invariants.",
                    "action": {
                      "type": "set_mixer_level",
                      "track": "guitar",
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                      "to": 0.6,
                      "delta": -0.05
                    },
                    "rankingMetric": 62.2099,
                    "receipts": [
                      {
                        "name": "mixer_edit_accepted",
                        "ok": true
                      },
                      {
                        "name": "candidate_track_matches_requested_intent",
                        "ok": true
                      },
                      {
                        "name": "candidate_direction_matches_requested_intent",
                        "ok": true
                      },
                      {
                        "name": "contract_mixer_level_reflects_action",
                        "ok": true
                      },
                      {
                        "name": "rendered_target_metric_changed",
                        "ok": true
                      },
                      {
                        "name": "required_instruments_preserved",
                        "ok": true
                      },
                      {
                        "name": "section_energy_floors_preserved",
                        "ok": true
                      },
                      {
                        "name": "no_clipping",
                        "ok": true
                      },
                      {
                        "name": "headroom_guardrail_preserved",
                        "ok": true
                      },
                      {
                        "name": "no_low_level_proof_window",
                        "ok": true
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                    ],
                    "failedReceipts": [],
                    "guardrails": {
                      "mixerEditAccepted": true,
                      "candidateTrackMatchesRequestedIntent": true,
                      "candidateDirectionMatchesRequestedIntent": true,
                      "contractLevelReflected": true,
                      "renderedTargetMoved": true,
                      "requiredInstrumentsPreserved": true,
                      "requiredSectionEnergyFloorsPreserved": true,
                      "noClipping": true,
                      "headroomPreserved": true,
                      "noLowLevelProofWindow": true
                    },
                    "targetMovement": {
                      "track": "guitar",
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                        "peak": -0.01925,
                        "totalEnergy": -0.000054
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                        "peak": 0.252,
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                      },
                      "after": {
                        "track": "guitar",
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                        "activeCount": 0,
                        "rms": 0.04265,
                        "peak": 0.23275,
                        "totalEnergy": 0.00032
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                    },
                    "requestedIntentMatch": {
                      "track": {
                        "requestedTargetTracks": [
                          "guitar"
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                        "candidateTrack": "guitar",
                        "source": "explicit_args"
                      },
                      "direction": {
                        "requestedDirection": "down",
                        "candidateDelta": -0.05,
                        "source": "explicit_args"
                      }
                    },
                    "sectionHeuristicReviewMetric": 0.2405,
                    "sectionEnergyComparison": {
                      "version": "riddle-proof.audio-section-heuristics.v1",
                      "role": "metric_supported_review_order",
                      "sectionCount": 2,
                      "sections": [
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                          "name": "introBed",
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                          },
                          "candidate": {
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                            "peak": 0.7639,
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                          "delta": {
                            "rms": -0.0055,
                            "peak": -0.0108,
                            "totalEnergy": -0.000044,
                            "loudnessStyleLufs": -0.43,
                            "headroomDb": 0.12
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                          "trackedInstruments": [
                            {
                              "name": "guitar",
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                                "peak": 0.2284,
                                "totalEnergy": 0.000298
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                              "candidate": {
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                                "peak": 0.2109,
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                              "delta": {
                                "rms": -0.0031,
                                "peak": -0.0175,
                                "totalEnergy": -0.000044
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                            }
                          ],
                          "requiredEnergyFloors": [
                            {
                              "name": "bass",
                              "preserved": true,
                              "floors": {
                                "rms": 0.0005,
                                "peak": 0.001,
                                "totalEnergy": 0.000001
                              },
                              "baseline": {
                                "rms": 0.0209,
                                "peak": 0.0838,
                                "totalEnergy": 0.000087
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                              "candidate": {
                                "rms": 0.0209,
                                "peak": 0.0838,
                                "totalEnergy": 0.000087
                              }
                            },
                            {
                              "name": "chord",
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                              "floors": {
                                "rms": 0.0005,
                                "peak": 0.001,
                                "totalEnergy": 0.000001
                              },
                              "baseline": {
                                "rms": 0.0022,
                                "peak": 0.0079,
                                "totalEnergy": 0.000001
                              },
                              "candidate": {
                                "rms": 0.0022,
                                "peak": 0.0079,
                                "totalEnergy": 0.000001
                              }
                            },
                            {
                              "name": "guitar",
                              "preserved": true,
                              "floors": {
                                "rms": 0.0005,
                                "peak": 0.001,
                                "totalEnergy": 0.000001
                              },
                              "baseline": {
                                "rms": 0.0407,
                                "peak": 0.2284,
                                "totalEnergy": 0.000298
                              },
                              "candidate": {
                                "rms": 0.0376,
                                "peak": 0.2109,
                                "totalEnergy": 0.000254
                              }
                            }
                          ],
                          "requiredEnergyFloorsPreserved": true,
                          "guardrails": {
                            "clipping": false,
                            "lowLevel": false,
                            "headroomDb": 2.34,
                            "minHeadroomDb": 0.5,
                            "headroomOk": true,
                            "violated": []
                          }
                        },
                        {
                          "name": "vocalEntry",
                          "label": "Vocal Entry",
                          "baseline": {
                            "rms": 0.2921,
                            "peak": 0.7726,
                            "totalEnergy": 0.015827,
                            "loudnessStyleLufs": -11.38,
                            "headroomDb": 2.24,
                            "clipping": false,
                            "lowLevel": false
                          },
                          "candidate": {
                            "rms": 0.2904,
                            "peak": 0.7619,
                            "totalEnergy": 0.015761,
                            "loudnessStyleLufs": -11.43,
                            "headroomDb": 2.36,
                            "clipping": false,
                            "lowLevel": false
                          },
                          "delta": {
                            "rms": -0.0017,
                            "peak": -0.0107,
                            "totalEnergy": -0.000066,
                            "loudnessStyleLufs": -0.05,
                            "headroomDb": 0.12
                          },
                          "trackedInstruments": [
                            {
                              "name": "guitar",
                              "baseline": {
                                "rms": 0.0517,
                                "peak": 0.2756,
                                "totalEnergy": 0.000451
                              },
                              "candidate": {
                                "rms": 0.0477,
                                "peak": 0.2546,
                                "totalEnergy": 0.000385
                              },
                              "delta": {
                                "rms": -0.004,
                                "peak": -0.021,
                                "totalEnergy": -0.000066
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                            }
                          ],
                          "requiredEnergyFloors": [
                            {
                              "name": "rhythmSynth",
                              "preserved": true,
                              "floors": {
                                "rms": 0.0005,
                                "peak": 0.001,
                                "totalEnergy": 0.000001
                              },
                              "baseline": {
                                "rms": 0.0094,
                                "peak": 0.024,
                                "totalEnergy": 0.000015
                              },
                              "candidate": {
                                "rms": 0.0094,
                                "peak": 0.024,
                                "totalEnergy": 0.000015
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                            }
                          ],
                          "requiredEnergyFloorsPreserved": true,
                          "guardrails": {
                            "clipping": false,
                            "lowLevel": false,
                            "headroomDb": 2.36,
                            "minHeadroomDb": 0.5,
                            "headroomOk": true,
                            "violated": []
                          }
                        }
                      ],
                      "requiredSectionEnergyFloorsPreserved": true,
                      "guardrailsPreserved": true,
                      "violationCount": 0,
                      "averageAbsLoudnessDelta": 0.24,
                      "averageAbsEnergyDelta": 0.000055,
                      "floors": {
                        "requiredRmsFloor": 0.0005,
                        "requiredPeakFloor": 0.001,
                        "requiredTotalEnergyFloor": 0.000001,
                        "minHeadroomDb": 0.5
                      },
                      "trackedInstruments": [
                        "guitar"
                      ],
                      "boundary": "Loudness-style and section-energy metrics rank candidates for review; they do not prove subjective mix quality."
                    },
                    "summary": {
                      "status": "passed",
                      "windowCount": 2,
                      "findingCount": 0,
                      "mixProfile": {
                        "id": "monkberry-moon-delight-eq-lane-mix-v7",
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                      }
                    }
                  },
                  {
                    "index": 2,
                    "label": "guitar -0.10",
                    "status": "supported",
                    "classification": null,
                    "claim": "Setting guitar level from 0.65 to 0.55 changes rendered guitar metrics while preserving Neon proof invariants.",
                    "action": {
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                      "from": 0.65,
                      "to": 0.55,
                      "delta": -0.1
                    },
                    "rankingMetric": 62.7352,
                    "receipts": [
                      {
                        "name": "mixer_edit_accepted",
                        "ok": true
                      },
                      {
                        "name": "candidate_track_matches_requested_intent",
                        "ok": true
                      },
                      {
                        "name": "candidate_direction_matches_requested_intent",
                        "ok": true
                      },
                      {
                        "name": "contract_mixer_level_reflects_action",
                        "ok": true
                      },
                      {
                        "name": "rendered_target_metric_changed",
                        "ok": true
                      },
                      {
                        "name": "required_instruments_preserved",
                        "ok": true
                      },
                      {
                        "name": "section_energy_floors_preserved",
                        "ok": true
                      },
                      {
                        "name": "no_clipping",
                        "ok": true
                      },
                      {
                        "name": "headroom_guardrail_preserved",
                        "ok": true
                      },
                      {
                        "name": "no_low_level_proof_window",
                        "ok": true
                      }
                    ],
                    "failedReceipts": [],
                    "guardrails": {
                      "mixerEditAccepted": true,
                      "candidateTrackMatchesRequestedIntent": true,
                      "candidateDirectionMatchesRequestedIntent": true,
                      "contractLevelReflected": true,
                      "renderedTargetMoved": true,
                      "requiredInstrumentsPreserved": true,
                      "requiredSectionEnergyFloorsPreserved": true,
                      "noClipping": true,
                      "headroomPreserved": true,
                      "noLowLevelProofWindow": true
                    },
                    "targetMovement": {
                      "track": "guitar",
                      "moved": true,
                      "deltas": {
                        "rms": -0.0071,
                        "peak": -0.03865,
                        "totalEnergy": -0.000106
                      },
                      "before": {
                        "track": "guitar",
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                        "activeCount": 0,
                        "rms": 0.0462,
                        "peak": 0.252,
                        "totalEnergy": 0.000374
                      },
                      "after": {
                        "track": "guitar",
                        "sampleCount": 2,
                        "activeCount": 0,
                        "rms": 0.0391,
                        "peak": 0.21335,
                        "totalEnergy": 0.000268
                      }
                    },
                    "requestedIntentMatch": {
                      "track": {
                        "requestedTargetTracks": [
                          "guitar"
                        ],
                        "candidateTrack": "guitar",
                        "source": "explicit_args"
                      },
                      "direction": {
                        "requestedDirection": "down",
                        "candidateDelta": -0.1,
                        "source": "explicit_args"
                      }
                    },
                    "sectionHeuristicReviewMetric": 0.5111,
                    "sectionEnergyComparison": {
                      "version": "riddle-proof.audio-section-heuristics.v1",
                      "role": "metric_supported_review_order",
                      "sectionCount": 2,
                      "sections": [
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                          "name": "introBed",
                          "label": "Intro Bed",
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                            "loudnessStyleLufs": -19.75,
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                            "lowLevel": false
                          },
                          "candidate": {
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                            "clipping": false,
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                          },
                          "delta": {
                            "rms": -0.0111,
                            "peak": -0.022,
                            "totalEnergy": -0.000084,
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                            "headroomDb": 0.25
                          },
                          "trackedInstruments": [
                            {
                              "name": "guitar",
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                                "peak": 0.2284,
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                              "candidate": {
                                "rms": 0.0345,
                                "peak": 0.1933,
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                                "rms": -0.0062,
                                "peak": -0.0351,
                                "totalEnergy": -0.000084
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                          "requiredEnergyFloors": [
                            {
                              "name": "bass",
                              "preserved": true,
                              "floors": {
                                "rms": 0.0005,
                                "peak": 0.001,
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                              },
                              "baseline": {
                                "rms": 0.0209,
                                "peak": 0.0838,
                                "totalEnergy": 0.000087
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                              "candidate": {
                                "rms": 0.0209,
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                            },
                            {
                              "name": "chord",
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                              "baseline": {
                                "rms": 0.0022,
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                              },
                              "candidate": {
                                "rms": 0.0022,
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                            },
                            {
                              "name": "guitar",
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                              "baseline": {
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                          ],
                          "requiredEnergyFloorsPreserved": true,
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                            "lowLevel": false,
                            "headroomDb": 2.47,
                            "minHeadroomDb": 0.5,
                            "headroomOk": true,
                            "violated": []
                          }
                        },
                        {
                          "name": "vocalEntry",
                          "label": "Vocal Entry",
                          "baseline": {
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                            "peak": -0.0218,
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                          "trackedInstruments": [
                            {
                              "name": "guitar",
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                                "peak": 0.2756,
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                              "candidate": {
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                            }
                          ],
                          "requiredEnergyFloors": [
                            {
                              "name": "rhythmSynth",
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                              "floors": {
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                              "candidate": {
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                            }
                          ],
                          "requiredEnergyFloorsPreserved": true,
                          "guardrails": {
                            "clipping": false,
                            "lowLevel": false,
                            "headroomDb": 2.49,
                            "minHeadroomDb": 0.5,
                            "headroomOk": true,
                            "violated": []
                          }
                        }
                      ],
                      "requiredSectionEnergyFloorsPreserved": true,
                      "guardrailsPreserved": true,
                      "violationCount": 0,
                      "averageAbsLoudnessDelta": 0.51,
                      "averageAbsEnergyDelta": 0.000106,
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                        "requiredRmsFloor": 0.0005,
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                        "minHeadroomDb": 0.5
                      },
                      "trackedInstruments": [
                        "guitar"
                      ],
                      "boundary": "Loudness-style and section-energy metrics rank candidates for review; they do not prove subjective mix quality."
                    },
                    "summary": {
                      "status": "passed",
                      "windowCount": 2,
                      "findingCount": 0,
                      "mixProfile": {
                        "id": "monkberry-moon-delight-eq-lane-mix-v7",
                        "label": "Monkberry humanized EQ mix",
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                          "snare": 0.67,
                          "hat": 0.34,
                          "clap": 0.27,
                          "rim": 0.29,
                          "bass": 0.62,
                          "chord": 0.16,
                          "guitar": 0.65,
                          "rhythmSynth": 0.84
                        }
                      }
                    }
                  },
                  {
                    "index": 3,
                    "label": "guitar -0.18",
                    "status": "supported",
                    "classification": null,
                    "claim": "Setting guitar level from 0.65 to 0.47 changes rendered guitar metrics while preserving Neon proof invariants.",
                    "action": {
                      "type": "set_mixer_level",
                      "track": "guitar",
                      "from": 0.65,
                      "to": 0.47,
                      "delta": -0.18
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                        "name": "mixer_edit_accepted",
                        "ok": true
                      },
                      {
                        "name": "candidate_track_matches_requested_intent",
                        "ok": true
                      },
                      {
                        "name": "candidate_direction_matches_requested_intent",
                        "ok": true
                      },
                      {
                        "name": "contract_mixer_level_reflects_action",
                        "ok": true
                      },
                      {
                        "name": "rendered_target_metric_changed",
                        "ok": true
                      },
                      {
                        "name": "required_instruments_preserved",
                        "ok": true
                      },
                      {
                        "name": "section_energy_floors_preserved",
                        "ok": true
                      },
                      {
                        "name": "no_clipping",
                        "ok": true
                      },
                      {
                        "name": "headroom_guardrail_preserved",
                        "ok": true
                      },
                      {
                        "name": "no_low_level_proof_window",
                        "ok": true
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                    ],
                    "failedReceipts": [],
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                      "mixerEditAccepted": true,
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                      "requiredInstrumentsPreserved": true,
                      "requiredSectionEnergyFloorsPreserved": true,
                      "noClipping": true,
                      "headroomPreserved": true,
                      "noLowLevelProofWindow": true
                    },
                    "targetMovement": {
                      "track": "guitar",
                      "moved": true,
                      "deltas": {
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                      "before": {
                        "track": "guitar",
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                        "track": "guitar",
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                        "rms": 0.03345,
                        "peak": 0.1823,
                        "totalEnergy": 0.000196
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                    },
                    "requestedIntentMatch": {
                      "track": {
                        "requestedTargetTracks": [
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                        "candidateTrack": "guitar",
                        "source": "explicit_args"
                      },
                      "direction": {
                        "requestedDirection": "down",
                        "candidateDelta": -0.18,
                        "source": "explicit_args"
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                    },
                    "sectionHeuristicReviewMetric": 0.9518,
                    "sectionEnergyComparison": {
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                      "role": "metric_supported_review_order",
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                          "name": "introBed",
                          "label": "Intro Bed",
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                              "name": "bass",
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                            },
                            {
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                              "candidate": {
                                "rms": 0.0022,
                                "peak": 0.0079,
                                "totalEnergy": 0.000001
                              }
                            },
                            {
                              "name": "guitar",
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                              "floors": {
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                                "peak": 0.001,
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                          "requiredEnergyFloorsPreserved": true,
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                            "lowLevel": false,
                            "headroomDb": 2.69,
                            "minHeadroomDb": 0.5,
                            "headroomOk": true,
                            "violated": []
                          }
                        },
                        {
                          "name": "vocalEntry",
                          "label": "Vocal Entry",
                          "baseline": {
                            "rms": 0.2921,
                            "peak": 0.7726,
                            "totalEnergy": 0.015827,
                            "loudnessStyleLufs": -11.38,
                            "headroomDb": 2.24,
                            "clipping": false,
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                            "lowLevel": false
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                            "peak": -0.0355,
                            "totalEnergy": -0.000215,
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                          "trackedInstruments": [
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                              "name": "guitar",
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                              "candidate": {
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                            }
                          ],
                          "requiredEnergyFloors": [
                            {
                              "name": "rhythmSynth",
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                                "peak": 0.001,
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                              "baseline": {
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                          "requiredEnergyFloorsPreserved": true,
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                            "lowLevel": false,
                            "headroomDb": 2.65,
                            "minHeadroomDb": 0.5,
                            "headroomOk": true,
                            "violated": []
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                        }
                      ],
                      "requiredSectionEnergyFloorsPreserved": true,
                      "guardrailsPreserved": true,
                      "violationCount": 0,
                      "averageAbsLoudnessDelta": 0.95,
                      "averageAbsEnergyDelta": 0.000179,
                      "floors": {
                        "requiredRmsFloor": 0.0005,
                        "requiredPeakFloor": 0.001,
                        "requiredTotalEnergyFloor": 0.000001,
                        "minHeadroomDb": 0.5
                      },
                      "trackedInstruments": [
                        "guitar"
                      ],
                      "boundary": "Loudness-style and section-energy metrics rank candidates for review; they do not prove subjective mix quality."
                    },
                    "summary": {
                      "status": "passed",
                      "windowCount": 2,
                      "findingCount": 0,
                      "mixProfile": {
                        "id": "monkberry-moon-delight-eq-lane-mix-v7",
                        "label": "Monkberry humanized EQ mix",
                        "mixerLevels": {
                          "kick": 0.9,
                          "snare": 0.67,
                          "hat": 0.34,
                          "clap": 0.27,
                          "rim": 0.29,
                          "bass": 0.62,
                          "chord": 0.16,
                          "guitar": 0.65,
                          "rhythmSynth": 0.84
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                      }
                    }
                  }
                ],
                "rejectedCandidates": [],
                "ranking": {
                  "metric": "guardrail_preserving_section_energy_review_order",
                  "role": "review_order_only",
                  "lowerIsBetter": true,
                  "baselineCandidateRankingMetric": 61.6628,
                  "bestCandidateRankingMetric": 62.2099,
                  "rankingMetricDelta": -0.547,
                  "sectionHeuristics": {
                    "enabled": true,
                    "role": "metric_supported_review_order",
                    "loudnessStyle": "rms_dbfs_estimate",
                    "trackedInstruments": [
                      "guitar"
                    ],
                    "boundary": "Section-energy and loudness-style metrics rank candidates for review; they do not prove subjective mix quality."
                  }
                },
                "baseline": {
                  "status": "passed",
                  "windowCount": 2,
                  "findingCount": 0,
                  "mixProfile": {
                    "id": "monkberry-moon-delight-eq-lane-mix-v7",
                    "label": "Monkberry humanized EQ mix",
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                      "snare": 0.67,
                      "hat": 0.34,
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                      "bass": 0.62,
                      "chord": 0.16,
                      "guitar": 0.65,
                      "rhythmSynth": 0.84
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                  }
                },
                "guardrails": {
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                  "rejectedCandidateCount": 0,
                  "stateRestoredAfterLoop": true,
                  "noPermanentEditUnlessApplyBest": true,
                  "approvedCandidateApplied": null
                },
                "listenerPrompts": [
                  "Does the supported candidate match the requested musical intent?",
                  "Is the changed part better balanced in the proof window?",
                  "Did the proof window contain the musical material being judged?",
                  "Would another section or speaker profile change the listening decision?"
                ],
                "caveats": [
                  "This packet does not prove subjective mix quality.",
                  "A supported candidate proves objective receipts and guardrails only.",
                  "Ranking orders review; it is not a taste score.",
                  "Section-energy and loudness-style metrics are review aids, not proof that a candidate sounds better.",
                  "Keep or apply the candidate only after listening review."
                ]
              },
              "restorationReceipt": {
                "name": "state_restored_after_claim_candidate_loop",
                "ok": true,
                "expectedLevels": {
                  "guitar": 0.65
                },
                "observedLevels": {
                  "guitar": 0.65
                }
              },
              "appliedCandidateReceipt": null,
              "classification": null,
              "caveats": [
                "candidateRankingMetric is only a review-order hint",
                "sectionEnergyComparison is a loudness-style and energy-floor review aid, not a taste score",
                "claim verdicts come from receipts and invariants, not taste optimization",
                "human listening review is required before accepting any musical change",
                "candidate actions are transient unless applyBest is true"
              ]
            },
            "return_captured": true,
            "return_stored_to": "__neonMixProof.ratchetLoop",
            "return_summary_fields": [
              {
                "path": "ok"
              },
              {
                "path": "status"
              },
              {
                "path": "strategy"
              },
              {
                "path": "best.claimVerdict.status"
              },
              {
                "path": "best.claimCandidate.action.track"
              },
              {
                "path": "supportedClaimCandidateCount"
              },
              {
                "path": "humanReviewPacket.status"
              },
              {
                "path": "humanReviewPacket.recommendation.candidate.action.track"
              },
              {
                "path": "humanReviewPacket.ranking.role"
              },
              {
                "path": "humanReviewPacket.ranking.metric"
              },
              {
                "path": "humanReviewPacket.recommendation.candidate.sectionEnergyComparison.requiredSectionEnergyFloorsPreserved"
              },
              {
                "path": "humanReviewPacket.recommendation.candidate.sectionEnergyComparison.guardrailsPreserved"
              },
              {
                "path": "requestConstraints.targetTracks"
              },
              {
                "path": "requestConstraints.direction"
              },
              {
                "path": "humanReviewPacket.request.claimTarget.targetTracks"
              },
              {
                "path": "humanReviewPacket.request.claimTarget.direction"
              },
              {
                "path": "humanReviewPacket.guardrails.supportedClaimCandidateCount"
              },
              {
                "path": "humanReviewPacket.guardrails.rejectedCandidateCount"
              }
            ]
          },
          {
            "ok": true,
            "action": "assert_window_value",
            "ordinal": 3,
            "selector": null,
            "frame_selector": null,
            "optional": false,
            "path": "__neonMixProof.ratchetLoop.humanReviewPacket.kind",
            "value": "human_review_packet",
            "expected_value": "human_review_packet",
            "timeout_ms": 10000
          },
          {
            "ok": true,
            "action": "assert_window_value",
            "ordinal": 4,
            "selector": null,
            "frame_selector": null,
            "optional": false,
            "path": "__neonMixProof.ratchetLoop.humanReviewPacket.ranking.role",
            "value": "review_order_only",
            "expected_value": "review_order_only",
            "timeout_ms": 10000
          },
          {
            "ok": true,
            "action": "assert_window_value",
            "ordinal": 5,
            "selector": null,
            "frame_selector": null,
            "optional": false,
            "path": "__neonMixProof.ratchetLoop.humanReviewPacket.request.candidateActionsAreTransient",
            "value": true,
            "expected_value": true,
            "timeout_ms": 10000
          },
          {
            "ok": true,
            "action": "screenshot",
            "ordinal": 6,
            "selector": null,
            "frame_selector": null,
            "optional": false,
            "label": "neon-ratchet-loop-mix-level-search",
            "screenshot_label": "lilarcade-neon-ratchet-loop-mix-level-search-generated-prelim-candidate-desktop-neon-ratchet-loop-mix-level-search",
            "full_page": false
          }
        ],
        "screenshot_label": "lilarcade-neon-ratchet-loop-mix-level-search-generated-prelim-candidate-desktop",
        "screenshot_full_page": null
      }
    ],
    "console": {
      "events": [],
      "fatal_count": 0
    },
    "page_errors": [],
    "dialogs": [],
    "network_mocks": [],
    "dom_summary": {
      "expected_viewport_count": 1,
      "viewport_count": 1,
      "partial": false,
      "routes": [
        {
          "requested": "https://main.dlwavl00q582x.amplifyapp.com/games/drum-sequencer?song=monkberry-moon-delight-tab&mix=profile&view=trainer&instrument=bass",
          "observed": "/games/drum-sequencer",
          "expected_path": "/games/drum-sequencer",
          "matched": true,
          "http_status": 200
        }
      ],
      "titles": [
        "LilArcade"
      ],
      "overflow_px": [
        0
      ],
      "bounds_overflow_px": [
        0
      ],
      "overflow_offender_counts": [
        0
      ],
      "frames": [
        {
          "viewport": "desktop",
          "selectors": []
        }
      ],
      "http_status": [],
      "link_status": [],
      "route_inventory": [],
      "network_mock_count": 0,
      "network_mock_hit_count": 0,
      "dialog_count": 0,
      "dialog_accept_count": 0,
      "dialog_dismiss_count": 0
    }
  }
}