{
  "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": "/neon-lab/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": 0.51,
          "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",
      "magnitude": "subtle",
      "maxAbsDelta": 0.12,
      "magnitudeSource": "intent_text",
      "source": "explicit_args",
      "boundary": "Requested target, direction, and magnitude constrain objective candidate support; ranking still only orders listening review."
    },
    "maxIterations": 2,
    "monitorProfile": "smallSpeaker",
    "restore": true,
    "applyBest": false,
    "candidateActionsAreTransient": true,
    "approval": null
  },
  "recommendation": {
    "action": "review_before_applying_candidate",
    "candidate": {
      "index": 1,
      "label": "guitar -0.02",
      "status": "supported",
      "classification": null,
      "claim": "Setting guitar level from 0.51 to 0.49 changes rendered guitar metrics while preserving Neon proof invariants.",
      "action": {
        "type": "set_mixer_level",
        "track": "guitar",
        "from": 0.51,
        "to": 0.49,
        "delta": -0.02
      },
      "rankingMetric": 62.7059,
      "receipts": [
        {
          "name": "mixer_edit_accepted",
          "ok": true
        },
        {
          "name": "candidate_track_matches_requested_intent",
          "ok": true
        },
        {
          "name": "candidate_direction_matches_requested_intent",
          "ok": true
        },
        {
          "name": "candidate_magnitude_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,
        "activeLanesPreserved": true,
        "requiredSectionEnergyFloorsPreserved": true,
        "noClipping": true,
        "headroomPreserved": true,
        "noLowLevelProofWindow": true
      },
      "targetMovement": {
        "track": "guitar",
        "moved": true,
        "deltas": {
          "rms": -0.00145,
          "peak": -0.0078,
          "totalEnergy": -0.000017
        },
        "before": {
          "track": "guitar",
          "sampleCount": 2,
          "activeCount": 0,
          "rms": 0.0363,
          "peak": 0.19785,
          "totalEnergy": 0.000231
        },
        "after": {
          "track": "guitar",
          "sampleCount": 2,
          "activeCount": 0,
          "rms": 0.03485,
          "peak": 0.19005,
          "totalEnergy": 0.000214
        }
      },
      "requestedIntentMatch": {
        "track": {
          "requestedTargetTracks": [
            "guitar"
          ],
          "candidateTrack": "guitar",
          "source": "explicit_args"
        },
        "direction": {
          "requestedDirection": "down",
          "candidateDelta": -0.02,
          "source": "explicit_args"
        },
        "magnitude": {
          "requestedMagnitude": "subtle",
          "maxAbsDelta": 0.12,
          "candidateDelta": -0.02,
          "candidateAbsDelta": 0.02,
          "source": "intent_text"
        }
      },
      "activeLaneReceipt": {
        "version": "neon-step-sequencer.active-lane-receipt.v1",
        "ok": true,
        "status": "active_lanes_preserved",
        "windowCount": 2,
        "requiredWindowCount": 2,
        "requiredTracks": [
          "bass",
          "chord",
          "guitar",
          "rhythmSynth"
        ],
        "missingRequiredActiveCount": 0,
        "missingWindows": [],
        "windows": [
          {
            "name": "introBed",
            "label": "Intro Bed",
            "status": "passed",
            "ok": true,
            "requiredActive": [
              "bass",
              "chord",
              "guitar"
            ],
            "activeInstruments": [
              "kick",
              "snare",
              "hat",
              "bass",
              "chord",
              "guitar"
            ],
            "missingRequiredActive": [],
            "requiredInstrumentStates": [
              {
                "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": 0.0307,
                "peak": 0.1722,
                "totalEnergy": 0.00017
              }
            ]
          },
          {
            "name": "vocalEntry",
            "label": "Vocal Entry",
            "status": "passed",
            "ok": true,
            "requiredActive": [
              "rhythmSynth"
            ],
            "activeInstruments": [
              "kick",
              "snare",
              "hat",
              "bass",
              "chord",
              "guitar",
              "rhythmSynth"
            ],
            "missingRequiredActive": [],
            "requiredInstrumentStates": [
              {
                "name": "rhythmSynth",
                "active": true,
                "rms": 0.0094,
                "peak": 0.024,
                "totalEnergy": 0.000015
              }
            ]
          }
        ],
        "boundary": "Active-lane preservation proves declared required lanes stayed measurable in proof windows; it does not prove subjective mix quality."
      },
      "sectionHeuristicReviewMetric": 0.1102,
      "sectionEnergyComparison": {
        "version": "riddle-proof.audio-section-heuristics.v1",
        "role": "metric_supported_review_order",
        "sectionCount": 2,
        "sections": [
          {
            "name": "introBed",
            "label": "Intro Bed",
            "baseline": {
              "rms": 0.0958,
              "peak": 0.7432,
              "totalEnergy": 0.015691,
              "loudnessStyleLufs": -21.06,
              "headroomDb": 2.58,
              "clipping": false,
              "lowLevel": false
            },
            "candidate": {
              "rms": 0.0936,
              "peak": 0.7384,
              "totalEnergy": 0.015677,
              "loudnessStyleLufs": -21.27,
              "headroomDb": 2.63,
              "clipping": false,
              "lowLevel": false
            },
            "delta": {
              "rms": -0.0022,
              "peak": -0.0048,
              "totalEnergy": -0.000014,
              "loudnessStyleLufs": -0.21,
              "headroomDb": 0.05
            },
            "trackedInstruments": [
              {
                "name": "guitar",
                "baseline": {
                  "rms": 0.032,
                  "peak": 0.1793,
                  "totalEnergy": 0.000184
                },
                "candidate": {
                  "rms": 0.0307,
                  "peak": 0.1722,
                  "totalEnergy": 0.00017
                },
                "delta": {
                  "rms": -0.0013,
                  "peak": -0.0071,
                  "totalEnergy": -0.000014
                }
              }
            ],
            "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": 0.032,
                  "peak": 0.1793,
                  "totalEnergy": 0.000184
                },
                "candidate": {
                  "rms": 0.0307,
                  "peak": 0.1722,
                  "totalEnergy": 0.00017
                }
              }
            ],
            "requiredEnergyFloorsPreserved": true,
            "guardrails": {
              "clipping": false,
              "lowLevel": false,
              "headroomDb": 2.63,
              "minHeadroomDb": 0.5,
              "headroomOk": true,
              "violated": []
            }
          },
          {
            "name": "vocalEntry",
            "label": "Vocal Entry",
            "baseline": {
              "rms": 0.2875,
              "peak": 0.7414,
              "totalEnergy": 0.015654,
              "loudnessStyleLufs": -11.52,
              "headroomDb": 2.6,
              "clipping": false,
              "lowLevel": false
            },
            "candidate": {
              "rms": 0.2869,
              "peak": 0.7383,
              "totalEnergy": 0.015633,
              "loudnessStyleLufs": -11.54,
              "headroomDb": 2.64,
              "clipping": false,
              "lowLevel": false
            },
            "delta": {
              "rms": -0.0006,
              "peak": -0.0031,
              "totalEnergy": -0.000021,
              "loudnessStyleLufs": -0.02,
              "headroomDb": 0.04
            },
            "trackedInstruments": [
              {
                "name": "guitar",
                "baseline": {
                  "rms": 0.0406,
                  "peak": 0.2164,
                  "totalEnergy": 0.000278
                },
                "candidate": {
                  "rms": 0.039,
                  "peak": 0.2079,
                  "totalEnergy": 0.000257
                },
                "delta": {
                  "rms": -0.0016,
                  "peak": -0.0085,
                  "totalEnergy": -0.000021
                }
              }
            ],
            "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": 2.64,
              "minHeadroomDb": 0.5,
              "headroomOk": true,
              "violated": []
            }
          }
        ],
        "requiredSectionEnergyFloorsPreserved": true,
        "guardrailsPreserved": true,
        "violationCount": 0,
        "averageAbsLoudnessDelta": 0.11,
        "averageAbsEnergyDelta": 0.000017,
        "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": 0.51,
            "rhythmSynth": 0.84
          }
        }
      }
    },
    "reason": "All objective claim receipts passed for this candidate; ranking only orders listening review."
  },
  "supportedCandidates": [
    {
      "index": 1,
      "label": "guitar -0.02",
      "status": "supported",
      "classification": null,
      "claim": "Setting guitar level from 0.51 to 0.49 changes rendered guitar metrics while preserving Neon proof invariants.",
      "action": {
        "type": "set_mixer_level",
        "track": "guitar",
        "from": 0.51,
        "to": 0.49,
        "delta": -0.02
      },
      "rankingMetric": 62.7059,
      "receipts": [
        {
          "name": "mixer_edit_accepted",
          "ok": true
        },
        {
          "name": "candidate_track_matches_requested_intent",
          "ok": true
        },
        {
          "name": "candidate_direction_matches_requested_intent",
          "ok": true
        },
        {
          "name": "candidate_magnitude_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,
        "activeLanesPreserved": true,
        "requiredSectionEnergyFloorsPreserved": true,
        "noClipping": true,
        "headroomPreserved": true,
        "noLowLevelProofWindow": true
      },
      "targetMovement": {
        "track": "guitar",
        "moved": true,
        "deltas": {
          "rms": -0.00145,
          "peak": -0.0078,
          "totalEnergy": -0.000017
        },
        "before": {
          "track": "guitar",
          "sampleCount": 2,
          "activeCount": 0,
          "rms": 0.0363,
          "peak": 0.19785,
          "totalEnergy": 0.000231
        },
        "after": {
          "track": "guitar",
          "sampleCount": 2,
          "activeCount": 0,
          "rms": 0.03485,
          "peak": 0.19005,
          "totalEnergy": 0.000214
        }
      },
      "requestedIntentMatch": {
        "track": {
          "requestedTargetTracks": [
            "guitar"
          ],
          "candidateTrack": "guitar",
          "source": "explicit_args"
        },
        "direction": {
          "requestedDirection": "down",
          "candidateDelta": -0.02,
          "source": "explicit_args"
        },
        "magnitude": {
          "requestedMagnitude": "subtle",
          "maxAbsDelta": 0.12,
          "candidateDelta": -0.02,
          "candidateAbsDelta": 0.02,
          "source": "intent_text"
        }
      },
      "activeLaneReceipt": {
        "version": "neon-step-sequencer.active-lane-receipt.v1",
        "ok": true,
        "status": "active_lanes_preserved",
        "windowCount": 2,
        "requiredWindowCount": 2,
        "requiredTracks": [
          "bass",
          "chord",
          "guitar",
          "rhythmSynth"
        ],
        "missingRequiredActiveCount": 0,
        "missingWindows": [],
        "windows": [
          {
            "name": "introBed",
            "label": "Intro Bed",
            "status": "passed",
            "ok": true,
            "requiredActive": [
              "bass",
              "chord",
              "guitar"
            ],
            "activeInstruments": [
              "kick",
              "snare",
              "hat",
              "bass",
              "chord",
              "guitar"
            ],
            "missingRequiredActive": [],
            "requiredInstrumentStates": [
              {
                "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": 0.0307,
                "peak": 0.1722,
                "totalEnergy": 0.00017
              }
            ]
          },
          {
            "name": "vocalEntry",
            "label": "Vocal Entry",
            "status": "passed",
            "ok": true,
            "requiredActive": [
              "rhythmSynth"
            ],
            "activeInstruments": [
              "kick",
              "snare",
              "hat",
              "bass",
              "chord",
              "guitar",
              "rhythmSynth"
            ],
            "missingRequiredActive": [],
            "requiredInstrumentStates": [
              {
                "name": "rhythmSynth",
                "active": true,
                "rms": 0.0094,
                "peak": 0.024,
                "totalEnergy": 0.000015
              }
            ]
          }
        ],
        "boundary": "Active-lane preservation proves declared required lanes stayed measurable in proof windows; it does not prove subjective mix quality."
      },
      "sectionHeuristicReviewMetric": 0.1102,
      "sectionEnergyComparison": {
        "version": "riddle-proof.audio-section-heuristics.v1",
        "role": "metric_supported_review_order",
        "sectionCount": 2,
        "sections": [
          {
            "name": "introBed",
            "label": "Intro Bed",
            "baseline": {
              "rms": 0.0958,
              "peak": 0.7432,
              "totalEnergy": 0.015691,
              "loudnessStyleLufs": -21.06,
              "headroomDb": 2.58,
              "clipping": false,
              "lowLevel": false
            },
            "candidate": {
              "rms": 0.0936,
              "peak": 0.7384,
              "totalEnergy": 0.015677,
              "loudnessStyleLufs": -21.27,
              "headroomDb": 2.63,
              "clipping": false,
              "lowLevel": false
            },
            "delta": {
              "rms": -0.0022,
              "peak": -0.0048,
              "totalEnergy": -0.000014,
              "loudnessStyleLufs": -0.21,
              "headroomDb": 0.05
            },
            "trackedInstruments": [
              {
                "name": "guitar",
                "baseline": {
                  "rms": 0.032,
                  "peak": 0.1793,
                  "totalEnergy": 0.000184
                },
                "candidate": {
                  "rms": 0.0307,
                  "peak": 0.1722,
                  "totalEnergy": 0.00017
                },
                "delta": {
                  "rms": -0.0013,
                  "peak": -0.0071,
                  "totalEnergy": -0.000014
                }
              }
            ],
            "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": 0.032,
                  "peak": 0.1793,
                  "totalEnergy": 0.000184
                },
                "candidate": {
                  "rms": 0.0307,
                  "peak": 0.1722,
                  "totalEnergy": 0.00017
                }
              }
            ],
            "requiredEnergyFloorsPreserved": true,
            "guardrails": {
              "clipping": false,
              "lowLevel": false,
              "headroomDb": 2.63,
              "minHeadroomDb": 0.5,
              "headroomOk": true,
              "violated": []
            }
          },
          {
            "name": "vocalEntry",
            "label": "Vocal Entry",
            "baseline": {
              "rms": 0.2875,
              "peak": 0.7414,
              "totalEnergy": 0.015654,
              "loudnessStyleLufs": -11.52,
              "headroomDb": 2.6,
              "clipping": false,
              "lowLevel": false
            },
            "candidate": {
              "rms": 0.2869,
              "peak": 0.7383,
              "totalEnergy": 0.015633,
              "loudnessStyleLufs": -11.54,
              "headroomDb": 2.64,
              "clipping": false,
              "lowLevel": false
            },
            "delta": {
              "rms": -0.0006,
              "peak": -0.0031,
              "totalEnergy": -0.000021,
              "loudnessStyleLufs": -0.02,
              "headroomDb": 0.04
            },
            "trackedInstruments": [
              {
                "name": "guitar",
                "baseline": {
                  "rms": 0.0406,
                  "peak": 0.2164,
                  "totalEnergy": 0.000278
                },
                "candidate": {
                  "rms": 0.039,
                  "peak": 0.2079,
                  "totalEnergy": 0.000257
                },
                "delta": {
                  "rms": -0.0016,
                  "peak": -0.0085,
                  "totalEnergy": -0.000021
                }
              }
            ],
            "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": 2.64,
              "minHeadroomDb": 0.5,
              "headroomOk": true,
              "violated": []
            }
          }
        ],
        "requiredSectionEnergyFloorsPreserved": true,
        "guardrailsPreserved": true,
        "violationCount": 0,
        "averageAbsLoudnessDelta": 0.11,
        "averageAbsEnergyDelta": 0.000017,
        "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": 0.51,
            "rhythmSynth": 0.84
          }
        }
      }
    },
    {
      "index": 2,
      "label": "guitar -0.035",
      "status": "supported",
      "classification": null,
      "claim": "Setting guitar level from 0.51 to 0.47 changes rendered guitar metrics while preserving Neon proof invariants.",
      "action": {
        "type": "set_mixer_level",
        "track": "guitar",
        "from": 0.51,
        "to": 0.475,
        "delta": -0.035
      },
      "rankingMetric": 62.9014,
      "receipts": [
        {
          "name": "mixer_edit_accepted",
          "ok": true
        },
        {
          "name": "candidate_track_matches_requested_intent",
          "ok": true
        },
        {
          "name": "candidate_direction_matches_requested_intent",
          "ok": true
        },
        {
          "name": "candidate_magnitude_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,
        "activeLanesPreserved": true,
        "requiredSectionEnergyFloorsPreserved": true,
        "noClipping": true,
        "headroomPreserved": true,
        "noLowLevelProofWindow": true
      },
      "targetMovement": {
        "track": "guitar",
        "moved": true,
        "deltas": {
          "rms": -0.0025,
          "peak": -0.01365,
          "totalEnergy": -0.000031
        },
        "before": {
          "track": "guitar",
          "sampleCount": 2,
          "activeCount": 0,
          "rms": 0.0363,
          "peak": 0.19785,
          "totalEnergy": 0.000231
        },
        "after": {
          "track": "guitar",
          "sampleCount": 2,
          "activeCount": 0,
          "rms": 0.0338,
          "peak": 0.1842,
          "totalEnergy": 0.0002
        }
      },
      "requestedIntentMatch": {
        "track": {
          "requestedTargetTracks": [
            "guitar"
          ],
          "candidateTrack": "guitar",
          "source": "explicit_args"
        },
        "direction": {
          "requestedDirection": "down",
          "candidateDelta": -0.035,
          "source": "explicit_args"
        },
        "magnitude": {
          "requestedMagnitude": "subtle",
          "maxAbsDelta": 0.12,
          "candidateDelta": -0.035,
          "candidateAbsDelta": 0.035,
          "source": "intent_text"
        }
      },
      "activeLaneReceipt": {
        "version": "neon-step-sequencer.active-lane-receipt.v1",
        "ok": true,
        "status": "active_lanes_preserved",
        "windowCount": 2,
        "requiredWindowCount": 2,
        "requiredTracks": [
          "bass",
          "chord",
          "guitar",
          "rhythmSynth"
        ],
        "missingRequiredActiveCount": 0,
        "missingWindows": [],
        "windows": [
          {
            "name": "introBed",
            "label": "Intro Bed",
            "status": "passed",
            "ok": true,
            "requiredActive": [
              "bass",
              "chord",
              "guitar"
            ],
            "activeInstruments": [
              "kick",
              "snare",
              "hat",
              "bass",
              "chord",
              "guitar"
            ],
            "missingRequiredActive": [],
            "requiredInstrumentStates": [
              {
                "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": 0.0298,
                "peak": 0.1669,
                "totalEnergy": 0.000159
              }
            ]
          },
          {
            "name": "vocalEntry",
            "label": "Vocal Entry",
            "status": "passed",
            "ok": true,
            "requiredActive": [
              "rhythmSynth"
            ],
            "activeInstruments": [
              "kick",
              "snare",
              "hat",
              "bass",
              "chord",
              "guitar",
              "rhythmSynth"
            ],
            "missingRequiredActive": [],
            "requiredInstrumentStates": [
              {
                "name": "rhythmSynth",
                "active": true,
                "rms": 0.0094,
                "peak": 0.024,
                "totalEnergy": 0.000015
              }
            ]
          }
        ],
        "boundary": "Active-lane preservation proves declared required lanes stayed measurable in proof windows; it does not prove subjective mix quality."
      },
      "sectionHeuristicReviewMetric": 0.2003,
      "sectionEnergyComparison": {
        "version": "riddle-proof.audio-section-heuristics.v1",
        "role": "metric_supported_review_order",
        "sectionCount": 2,
        "sections": [
          {
            "name": "introBed",
            "label": "Intro Bed",
            "baseline": {
              "rms": 0.0958,
              "peak": 0.7432,
              "totalEnergy": 0.015691,
              "loudnessStyleLufs": -21.06,
              "headroomDb": 2.58,
              "clipping": false,
              "lowLevel": false
            },
            "candidate": {
              "rms": 0.0919,
              "peak": 0.7346,
              "totalEnergy": 0.015666,
              "loudnessStyleLufs": -21.42,
              "headroomDb": 2.68,
              "clipping": false,
              "lowLevel": false
            },
            "delta": {
              "rms": -0.0039,
              "peak": -0.0086,
              "totalEnergy": -0.000025,
              "loudnessStyleLufs": -0.36,
              "headroomDb": 0.1
            },
            "trackedInstruments": [
              {
                "name": "guitar",
                "baseline": {
                  "rms": 0.032,
                  "peak": 0.1793,
                  "totalEnergy": 0.000184
                },
                "candidate": {
                  "rms": 0.0298,
                  "peak": 0.1669,
                  "totalEnergy": 0.000159
                },
                "delta": {
                  "rms": -0.0022,
                  "peak": -0.0124,
                  "totalEnergy": -0.000025
                }
              }
            ],
            "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": 0.032,
                  "peak": 0.1793,
                  "totalEnergy": 0.000184
                },
                "candidate": {
                  "rms": 0.0298,
                  "peak": 0.1669,
                  "totalEnergy": 0.000159
                }
              }
            ],
            "requiredEnergyFloorsPreserved": true,
            "guardrails": {
              "clipping": false,
              "lowLevel": false,
              "headroomDb": 2.68,
              "minHeadroomDb": 0.5,
              "headroomOk": true,
              "violated": []
            }
          },
          {
            "name": "vocalEntry",
            "label": "Vocal Entry",
            "baseline": {
              "rms": 0.2875,
              "peak": 0.7414,
              "totalEnergy": 0.015654,
              "loudnessStyleLufs": -11.52,
              "headroomDb": 2.6,
              "clipping": false,
              "lowLevel": false
            },
            "candidate": {
              "rms": 0.2865,
              "peak": 0.7374,
              "totalEnergy": 0.015617,
              "loudnessStyleLufs": -11.55,
              "headroomDb": 2.65,
              "clipping": false,
              "lowLevel": false
            },
            "delta": {
              "rms": -0.001,
              "peak": -0.004,
              "totalEnergy": -0.000037,
              "loudnessStyleLufs": -0.03,
              "headroomDb": 0.05
            },
            "trackedInstruments": [
              {
                "name": "guitar",
                "baseline": {
                  "rms": 0.0406,
                  "peak": 0.2164,
                  "totalEnergy": 0.000278
                },
                "candidate": {
                  "rms": 0.0378,
                  "peak": 0.2015,
                  "totalEnergy": 0.000241
                },
                "delta": {
                  "rms": -0.0028,
                  "peak": -0.0149,
                  "totalEnergy": -0.000037
                }
              }
            ],
            "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": 0.2,
        "averageAbsEnergyDelta": 0.000031,
        "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": 0.51,
            "rhythmSynth": 0.84
          }
        }
      }
    }
  ],
  "rejectedCandidates": [],
  "ranking": {
    "metric": "guardrail_preserving_section_energy_review_order",
    "role": "review_order_only",
    "lowerIsBetter": true,
    "baselineCandidateRankingMetric": 62.5226,
    "bestCandidateRankingMetric": 62.7059,
    "rankingMetricDelta": -0.1833,
    "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": 0.51,
        "rhythmSynth": 0.84
      }
    }
  },
  "guardrails": {
    "supportedClaimCandidateCount": 2,
    "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."
  ]
}
