Records rather than streams: each device records a clip WITH AUDIO and uploads
it; the normal offline pipeline takes over. Fits the design almost for free —
MediaRecorder's webm/mp4 are already ingestible, and audio-based sync means
devices need no clock sync and needn't start together.
- capture.py: POST /api/capture/upload (streamed, sanitized name, size cap,
partial cleanup), heartbeat/devices registry, GET /capture page.
- static/capture.html: standalone page (no build step) — device picker, live
preview, record->upload, 1fps snapshot heartbeat, 'who's shooting what'
monitor, and secure-context detection that tells you to use
(getUserMedia needs HTTPS — the #1 gotcha for phones).
- OPT-IN via FESTIVAL4D_CAPTURE=1; manifest reports has_capture and the viewer
only then shows a Capture link. Public deploy leaves it off (open upload
endpoint would be unsafe) — noted in DEPLOY.md.
- Adds python-multipart dep. Suite 103 -> 119.
Also fixes test_manifest_shape, which was already RED on main: f12b6e0 added
has_splat to the manifest without updating the exact-set lock. Updated to the
true set (now also has_capture); the lock is what caught both drifts.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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