test(fixtures): replace synthetic media with real CC-BY/CC0 content

- Video: Big Buck Bunny (Blender Foundation, CC-BY 3.0) 8s segment
  replaces ffmpeg testsrc2 synthetic; container variants hero.{mov,webm,mkv,avi}
- Speech: macOS TTS (CC0) replaces unknown-origin speech files;
  format variants speech.{flac,ogg,m4a,aac,opus} for depth tests
- Chat images: Sharp SVG mock chat UI (CC0) replaces third-party
  app screenshots with personal content
- Registry: video.hero.{mov,webm,mkv,avi}, audio.speech.{flac,ogg,m4a,aac,opus}
- Integrity guard: 19 ffprobe assertions (was 8)
- Parity: 13177 passed, 0 dropped
This commit is contained in:
SnapOtter
2026-06-20 01:24:59 +08:00
parent 9f28f13fb6
commit 09b26718e1
19 changed files with 26750 additions and 39 deletions
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