Capturing execution frames: test_loading.json
  Frame 1 saved (frame_000.jpg, t=0.0s)
  Validating workflow...
  Queuing workflow for execution...
  Frame 2 saved (frame_001.jpg, t=2.2s)
  [capture-periodic] freeze=2ms shot=95ms unfreeze=3ms saved=True
  Node executed (1 total), capturing...
  Frame 3 saved (frame_002.jpg, t=3.6s)
  [capture-node] freeze=2ms shot=93ms unfreeze=3ms saved=True
  Node executed (2 total), capturing...
  Frame 4 saved (frame_003.jpg, t=4.2s)
  [capture-node] freeze=2ms shot=143ms unfreeze=6ms saved=True
  Node executed (3 total), capturing...
  Frame 5 saved (frame_004.jpg, t=4.7s)
  [capture-node] freeze=32ms shot=89ms unfreeze=0ms saved=True
  Execution complete (t=4.7s)
  Captured 5 unique frames over 4.85s
  [debug] iframes: 1
  [debug]   iframe[0]: src=http://127.0.0.1:8188/extensions/ComfyUI-GeometryPack/viewer_dual.html?v=1778343, canvas=370x485, rafFrozen=True
  [timing] trigger_3d_previews: 0.0s
  Saved high-quality screenshot: test_loading_executed.png
  [timing] final_screenshot: 0.2s
    Captured 6 video frames