Running 3 tests using 1 worker

Canvas: 100x60, slab=1200, checker=4800, greenTint=0
(node:2374592) Warning: The 'NO_COLOR' env is ignored due to the 'FORCE_COLOR' env being set.
(Use `node --trace-warnings ...` to show where the warning was created)
  ✓  1 [chromium] › test/bvt/live-mask.spec.ts:37:3 › LIVE mask fundamentals (issue #55) › 1. Cutout preview — slab pixels visible on checkerboard, no green overlay (3.0s)
Sensitivity knob programmatic response: 36ms
Edge offset knob programmatic response: 17ms
  ✓  2 [chromium] › test/bvt/live-mask.spec.ts:133:3 › LIVE mask fundamentals (issue #55) › 2. Knobs respond fast on real photo — debounce working, no multi-second lag (1.8s)
Slab fraction: 0.200 (1200/6000)
Green sheet slab fraction: 0.200
  ✓  3 [chromium] › test/bvt/live-mask.spec.ts:176:3 › LIVE mask fundamentals (issue #55) › 3. Auto sheet detection does not mark entire frame as slab on normal test image (2.2s)

  3 passed (8.1s)
EXIT:0