{
  "version": "neon-step-sequencer.human-review-packet.v1",
  "kind": "human_review_packet",
  "domain": "audio_mix",
  "status": "candidate_applied_for_listening_review",
  "evidenceRolePattern": "interaction_snapshots",
  "proofBoundary": "Objective receipts support or reject candidate change claims; musical taste still requires listening review.",
  "requestedIntent": "apply reviewed candidate: guitar -0.05",
  "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": 0.6,
          "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": null,
      "source": "intent_text",
      "boundary": "Requested target and direction constrain objective candidate support; ranking still only orders listening review."
    },
    "maxIterations": 1,
    "monitorProfile": "smallSpeaker",
    "restore": true,
    "applyBest": true,
    "candidateActionsAreTransient": false,
    "approval": {
      "mode": "mixing_canon_surrogate",
      "approvedBy": "codex",
      "basis": "Conservative mixing-canon development surrogate: review candidate guitar -0.05 sets guitar from 0.6 to 0.55 with absolute level delta <= 0.12 after objective receipts, section-energy guardrails, clipping/headroom/low-level checks, and state-restoration checks passed. This keeps development moving and still requires listening review before treating the result as a subjective mix preference."
    }
  },
  "recommendation": {
    "action": "listen_to_applied_candidate",
    "candidate": {
      "index": 1,
      "label": "guitar -0.05",
      "status": "supported",
      "classification": null,
      "claim": "Apply the reviewed guitar level candidate from 0.60 to 0.55 and verify it still preserves Neon proof invariants.",
      "action": {
        "type": "set_mixer_level",
        "track": "guitar",
        "from": 0.6,
        "to": 0.55,
        "delta": -0.05
      },
      "rankingMetric": 62.4946,
      "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": -0.0194,
          "totalEnergy": -0.000052
        },
        "before": {
          "track": "guitar",
          "sampleCount": 2,
          "activeCount": 0,
          "rms": 0.04265,
          "peak": 0.23275,
          "totalEnergy": 0.00032
        },
        "after": {
          "track": "guitar",
          "sampleCount": 2,
          "activeCount": 0,
          "rms": 0.0391,
          "peak": 0.21335,
          "totalEnergy": 0.000268
        }
      },
      "requestedIntentMatch": {
        "track": {
          "requestedTargetTracks": [
            "guitar"
          ],
          "candidateTrack": "guitar",
          "source": "intent_text"
        },
        "direction": {
          "requestedDirection": null,
          "candidateDelta": -0.05,
          "source": "intent_text"
        }
      },
      "sectionHeuristicReviewMetric": 0.2705,
      "sectionEnergyComparison": {
        "version": "riddle-proof.audio-section-heuristics.v1",
        "role": "metric_supported_review_order",
        "sectionCount": 2,
        "sections": [
          {
            "name": "introBed",
            "label": "Intro Bed",
            "baseline": {
              "rms": 0.106,
              "peak": 0.7639,
              "totalEnergy": 0.015761,
              "loudnessStyleLufs": -20.18,
              "headroomDb": 2.34,
              "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": -0.0056,
              "peak": -0.0112,
              "totalEnergy": -0.00004,
              "loudnessStyleLufs": -0.48,
              "headroomDb": 0.13
            },
            "trackedInstruments": [
              {
                "name": "guitar",
                "baseline": {
                  "rms": 0.0376,
                  "peak": 0.2109,
                  "totalEnergy": 0.000254
                },
                "candidate": {
                  "rms": 0.0345,
                  "peak": 0.1933,
                  "totalEnergy": 0.000214
                },
                "delta": {
                  "rms": -0.0031,
                  "peak": -0.0176,
                  "totalEnergy": -0.00004
                }
              }
            ],
            "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": 0.0376,
                  "peak": 0.2109,
                  "totalEnergy": 0.000254
                },
                "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": 0.2904,
              "peak": 0.7619,
              "totalEnergy": 0.015761,
              "loudnessStyleLufs": -11.43,
              "headroomDb": 2.36,
              "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": -0.0016,
              "peak": -0.0111,
              "totalEnergy": -0.000062,
              "loudnessStyleLufs": -0.05,
              "headroomDb": 0.13
            },
            "trackedInstruments": [
              {
                "name": "guitar",
                "baseline": {
                  "rms": 0.0477,
                  "peak": 0.2546,
                  "totalEnergy": 0.000385
                },
                "candidate": {
                  "rms": 0.0437,
                  "peak": 0.2334,
                  "totalEnergy": 0.000323
                },
                "delta": {
                  "rms": -0.004,
                  "peak": -0.0212,
                  "totalEnergy": -0.000062
                }
              }
            ],
            "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": 0.27,
        "averageAbsEnergyDelta": 0.000051,
        "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": 0.6,
            "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": "Apply the reviewed guitar level candidate from 0.60 to 0.55 and verify it still preserves Neon proof invariants.",
      "action": {
        "type": "set_mixer_level",
        "track": "guitar",
        "from": 0.6,
        "to": 0.55,
        "delta": -0.05
      },
      "rankingMetric": 62.4946,
      "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": -0.0194,
          "totalEnergy": -0.000052
        },
        "before": {
          "track": "guitar",
          "sampleCount": 2,
          "activeCount": 0,
          "rms": 0.04265,
          "peak": 0.23275,
          "totalEnergy": 0.00032
        },
        "after": {
          "track": "guitar",
          "sampleCount": 2,
          "activeCount": 0,
          "rms": 0.0391,
          "peak": 0.21335,
          "totalEnergy": 0.000268
        }
      },
      "requestedIntentMatch": {
        "track": {
          "requestedTargetTracks": [
            "guitar"
          ],
          "candidateTrack": "guitar",
          "source": "intent_text"
        },
        "direction": {
          "requestedDirection": null,
          "candidateDelta": -0.05,
          "source": "intent_text"
        }
      },
      "sectionHeuristicReviewMetric": 0.2705,
      "sectionEnergyComparison": {
        "version": "riddle-proof.audio-section-heuristics.v1",
        "role": "metric_supported_review_order",
        "sectionCount": 2,
        "sections": [
          {
            "name": "introBed",
            "label": "Intro Bed",
            "baseline": {
              "rms": 0.106,
              "peak": 0.7639,
              "totalEnergy": 0.015761,
              "loudnessStyleLufs": -20.18,
              "headroomDb": 2.34,
              "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": -0.0056,
              "peak": -0.0112,
              "totalEnergy": -0.00004,
              "loudnessStyleLufs": -0.48,
              "headroomDb": 0.13
            },
            "trackedInstruments": [
              {
                "name": "guitar",
                "baseline": {
                  "rms": 0.0376,
                  "peak": 0.2109,
                  "totalEnergy": 0.000254
                },
                "candidate": {
                  "rms": 0.0345,
                  "peak": 0.1933,
                  "totalEnergy": 0.000214
                },
                "delta": {
                  "rms": -0.0031,
                  "peak": -0.0176,
                  "totalEnergy": -0.00004
                }
              }
            ],
            "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": 0.0376,
                  "peak": 0.2109,
                  "totalEnergy": 0.000254
                },
                "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": 0.2904,
              "peak": 0.7619,
              "totalEnergy": 0.015761,
              "loudnessStyleLufs": -11.43,
              "headroomDb": 2.36,
              "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": -0.0016,
              "peak": -0.0111,
              "totalEnergy": -0.000062,
              "loudnessStyleLufs": -0.05,
              "headroomDb": 0.13
            },
            "trackedInstruments": [
              {
                "name": "guitar",
                "baseline": {
                  "rms": 0.0477,
                  "peak": 0.2546,
                  "totalEnergy": 0.000385
                },
                "candidate": {
                  "rms": 0.0437,
                  "peak": 0.2334,
                  "totalEnergy": 0.000323
                },
                "delta": {
                  "rms": -0.004,
                  "peak": -0.0212,
                  "totalEnergy": -0.000062
                }
              }
            ],
            "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": 0.27,
        "averageAbsEnergyDelta": 0.000051,
        "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": 0.6,
            "rhythmSynth": 0.84
          }
        }
      }
    }
  ],
  "rejectedCandidates": [],
  "ranking": {
    "metric": "guardrail_preserving_section_energy_review_order",
    "role": "review_order_only",
    "lowerIsBetter": true,
    "baselineCandidateRankingMetric": 61.9694,
    "bestCandidateRankingMetric": 62.4946,
    "rankingMetricDelta": -0.5252,
    "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": 0.6,
        "rhythmSynth": 0.84
      }
    }
  },
  "guardrails": {
    "supportedClaimCandidateCount": 1,
    "rejectedCandidateCount": 0,
    "stateRestoredAfterLoop": true,
    "noPermanentEditUnlessApplyBest": false,
    "approvedCandidateApplied": true
  },
  "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."
  ]
}