{
  "source": "课堂教学视频1.mp4",
  "confirmed_display_rgb": [
    128,
    128,
    128
  ],
  "hex": "808080",
  "scene_rgb_displayed_rounded": [
    0.22,
    0.22,
    0.22
  ],
  "evidence": "969s numeric fields;970s cursor on OK;971s picker closed",
  "stage_luminance": 1500,
  "later_luminance": 500,
  "existing_native_emit_color": [
    55,
    55,
    55
  ],
  "native_scene_rgb_approx": 0.21568627450980393,
  "exact_hidden_scene_precision": "not shown;0.22 rounded",
  "status": "source evidence recovered; existing native remains prior55/255; no exposure-match claim"
}