Mark e40949d1d2 test(01-08): regenerate last_30sec.webm fixture + split remux input/output fixtures ...

Plan 01-08 Task 5 closeout. The post-B+ smoke run produced a working
single-EBML WebM (28.76s, 676 frames, 1.89 MB, monotonic 0→28.76s
timestamps). Operator-confirmed empirically (timer overlay in smoke
HTML showed the latest frames matched expectations).

Two-fixture split resolves a test-design conflict surfaced when
last_30sec.webm flipped from pre-remux input shape to post-remux
output shape:

- tests/fixtures/last_30sec.webm — POST-REMUX output (single EBML,
  41 ffmpeg dry-run lines). Validates webm-playback.test.ts'
  playable-duration + structural assertions.

- tests/fixtures/raw-3ebml-concat.webm — PRE-REMUX input (3-EBML
  concat, 299 ffmpeg dry-run lines = 3 segment boundaries).
  Preserved from the original 2026-05-15 Phase 1 closure fixture.
  Used by webm-remux.test.ts to test that remuxSegments correctly
  transforms 3-EBML input → single-EBML output.

tests/background/webm-remux.test.ts FIXTURE_PATH updated to point at
raw-3ebml-concat.webm; the hardcoded EBML byte offsets [0, 509038,
970967] and frame bounds [905, 912] remain valid against that
preserved input.

Result: 64/64 vitest GREEN (was 61/64). tsc clean. Build exit 0.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

2026-05-17 12:44:50 +02:00

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