{
  "captured_at": "20260922T163523Z",
  "feature": "system-controls",
  "description": "Injected taps open System, inspect and cancel Power off, then inspect and cancel Reboot. Neither action executes in this clip.",
  "capture_source": {
    "device": "/dev/video0",
    "input_format": "mjpeg",
    "video_size": "1920x1080",
    "framerate": 30
  },
  "interaction_provenance": "injected",
  "provenance_note": "Operator-declared metadata does not prove that footage shows a real touch.",
  "artifact": {
    "path": "/mnt/MediaVolume/home/jadams/src/gitlab.daringbit.com/josh/k230-the-screen-runs-a-shell-not-a-console/docs/evidence/shell-features/system-controls/20260922T163523Z-system-controls.mp4",
    "kind": "mp4",
    "duration_seconds": 28.0,
    "presentation_rotation": 0
  },
  "ffmpeg_command": [
    "ffmpeg",
    "-hide_banner",
    "-loglevel",
    "warning",
    "-f",
    "v4l2",
    "-input_format",
    "mjpeg",
    "-video_size",
    "1920x1080",
    "-framerate",
    "30",
    "-i",
    "/dev/video0",
    "-vf",
    "scale=out_range=tv",
    "-t",
    "28.0",
    "-an",
    "-c:v",
    "libx264",
    "-pix_fmt",
    "yuv420p",
    "-color_range",
    "tv",
    "-preset",
    "veryfast",
    "-crf",
    "23",
    "-threads",
    "2",
    "-movflags",
    "+faststart",
    "-y",
    "/mnt/MediaVolume/home/jadams/src/gitlab.daringbit.com/josh/k230-the-screen-runs-a-shell-not-a-console/docs/evidence/shell-features/system-controls/20260922T163523Z-system-controls.mp4"
  ],
  "dry_run": false,
  "site_assets": {
    "video": "docs/evidence/shell-features/system-controls/demo.mp4",
    "screenshot": "docs/evidence/shell-features/system-controls/screen.png",
    "menu_screenshot": "docs/evidence/shell-features/system-controls/menu.png",
    "poweroff_screenshot": "docs/evidence/shell-features/system-controls/poweroff.png",
    "video_transform": "180 degree rotation and full-to-limited range conversion; original camera clip retained",
    "screenshot_source": "grim on the physical board, transferred over serial"
  },
  "review": {
    "video_probe": "H.264, yuv420p, limited range, 1920x1080, 30 fps, 28.000 seconds, 840 frames",
    "visual_review": "Reviewed camera frames near 1, 8, 15, and 23 seconds: System, Power off, and Reboot confirmation screens plus the return state are visible. Camera glare and the oblique view soften text; native screenshots are readable.",
    "interaction_state": "Injected uinput opened System and inspected then cancelled Power off and Reboot; neither power action executed. Camera proves panel display, not real finger touch."
  }
}