{
  "base": "/private/tmp/smartgrid-ipad-midi-worker-off-20260910",
  "completed_local": "2026-09-10T14:59:57.165636-07:00",
  "seconds": 960,
  "source_binary_sha256": "c1ab35fd9cd627798583aaa08ba40e12cabde0915acbcb0275b0d1ad32961fd6",
  "outcome": "Both symptoms reproduced with MIDI worker disabled and queue discarded.",
  "long_interruptions": {
    "waveform": 39,
    "USB_transaction_failures": 39,
    "driver_restarts": 39,
    "native_callback_gaps": 39,
    "matched_episodes": 39,
    "duration_ms_min_median_max": [
      216.64583333333334,
      225.66666666666666,
      229.85416666666666
    ]
  },
  "periodic": [
    {
      "bin_start_seconds": 26,
      "bin_end_seconds": 39,
      "first_hole_seconds": 26.311541666666667,
      "last_hole_end_seconds": 38.472145833333336,
      "short_holes": 578,
      "width_ms_min_median_p99_max": [
        0.4166666666666667,
        1.0833333333333333,
        1.6506250000000002,
        1.75
      ],
      "flat_fraction_within_episode_envelope": 0.0519282724782383
    }
  ],
  "all_short_candidates": 609,
  "midi": {
    "samples": 954,
    "all_disabled_stopped_empty": true,
    "discard_monotonic": true,
    "first": {
      "enabled": 0,
      "running": 0,
      "queued": 0,
      "discarded": 31407,
      "local_time": "14:36:12"
    },
    "last": {
      "enabled": 0,
      "running": 0,
      "queued": 0,
      "discarded": 278802,
      "local_time": "14:52:12"
    },
    "time_selection": "App wall-clock seconds inside nominal recording interval; edge samples can differ by less than one second."
  },
  "callbacks": {
    "callbacks": 89229,
    "sample_rates": [
      48000.0
    ],
    "frame_sizes": [
      512.0
    ],
    "thermal_states": [
      0.0
    ],
    "sequence_holes": 0,
    "dsp_ms_p50_p99_max": [
      4.079,
      4.938,
      5.376
    ],
    "measured_dsp_overruns": 0,
    "xrun_start_end": [
      0,
      39
    ],
    "clock_fit_max_residual_ms": 2.9714107513427734
  },
  "zero_length_reports": 7,
  "zero_length_transfers_reported": 10,
  "io_drift_records": 65,
  "config_and_patch_unchanged": true,
  "recording_stderr_bytes": 0,
  "limits": [
    "Timed DSP excludes subsequent logger/outer native work.",
    "Analog/log clocks are offset; observed callback-resume minus analog-gap-end137.9\u2013152.0ms is capture alignment, not a measured causal delay.",
    "Queue samples cover954 once-second observations; edge selection is to whole wall-clock seconds.",
    "Other direct audio-thread MIDI/SysEx sends remained active in this binary.",
    "This tests necessity of this worker path in one measured condition; it does not exclude combined workload effects."
  ],
  "next": "User-authorized routing of normal audio-frame SysEx and short MIDI onto worker; implementation in progress."
}