{
  "saved_local": "2026-09-10T17:03:11.699095-07:00",
  "base": "/private/tmp/smartgrid-ipad-cooled-r1-20260910",
  "seconds_scanned": 499.711,
  "post_playback_long_candidates": 18,
  "first_core_start_seconds": 87.438,
  "first_core_approx_local": "2026-09-10T16:50:27.894310-07:00",
  "near_silent_core_duration_ms_range": [
    117,
    227
  ],
  "waveform_inspection": "Three representative events (WAV87.438,229.001,448.611s) visually confirm abrupt simultaneous stereo loss, flat near-zero interval, and resumed music. Analog settling means actual loss can begin before the -75dBFS core.",
  "plot": "/private/tmp/smartgrid-ipad-cooled-r1-20260910.early-dropouts-1657.png",
  "activity": "/private/tmp/smartgrid-ipad-cooled-r1-20260910.activity-1657.json",
  "planned_leading_silence_excluded": [
    0,
    11.62
  ],
  "initial_thermal_state": 0,
  "during_recording_ipad_queries": false,
  "limits": "USB/callback correlation, thermal evolution and periodic corruption remain pending post-capture logs and full waveform analysis. A cooled same-build recurrence supports state dependence but does not prove cooling caused it.",
  "next": "Continue full scheduled recording through17:05; no iPad queries before completion."
}