Backend: /media/calls/{id}/audio now honours a single HTTP Range
(bytes=a-b, a-, -n) with 206 + Content-Range, 416 for unsatisfiable,
and a 200 full body (Accept-Ranges: bytes) otherwise. The body is
streamed from GCS in 512 KiB span reads (storage.audio_object_size +
download_audio_range) instead of downloading the whole object first,
so a 600 s FLAC starts after one span and seeks fetch only what they
need. HMAC check and Firestore lookup unchanged and still first.
Frontend: InlinePlayer moved to components/InlinePlayer.tsx and now
drives lib/audioQueue.ts, a useSyncExternalStore store over ONE audio
element (one call plays at a time). Wall spine rows get play buttons
and a "Play incident" queue (oldest first) with the playing row
highlighted; map path-stop popups get a play button and the playing
stop gets an accent ring; rail cards get "play latest". Playback is
gated by canPlayAudio() (BUSINESS_MODEL section 3 / Gate A hook).
Nothing plays until clicked. Spine truncation is now stated
("showing latest 30 of M", show-all toggle, count outside the loaded
window) for server-26#239.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
- LiveView: localStorage pins carry image URLs, so they rendered (without
credit) after an admin disabled the provider. Pins now show only while
their provider is serving (server-26#198 licence gating).
- MapView: pinned/docked map players drop out once their provider leaves
the serving list; credits are kept from the last answer so docked players
keep attribution while the overlay is hidden.
- WallPanels: the "no camera provider enabled" link to /admin was a dead CTA
for non-admins (bounced to /). Link shown to admins only, deep-linked to
/admin#cameras; the admin page now honours a tab hash.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Backend (c2-core):
- app/internal/cameras/: provider interface, licence model, per-provider
catalog cache; one adapter per source in design-canvas/camera-sources.md.
Implemented: 511NY (legacy shape + tolerant XML inventory parser, 511x
endpoints UNVERIFIED), Caltrans, DelDOT, Ontario 511, DriveBC, Calgary,
TfL, NSW, Fintraffic. Stubs: NYC DOT, Westchester DPW, TRANSCOM, CTroads,
511NJ, Austin, TxDOT, MD CHART, WSDOT, Tallinn, Tarktee, Warendorf,
TrafficLand, Windy, EarthCam.
- Every provider defaults OFF (config/camera_providers). Gated licences
(agreement required / unverified / non-commercial / paid) need an explicit
acknowledgement stored with who/when and written to audit_log; the audit
write is a precondition. Stubs and prohibited sources cannot be enabled.
Ack is bound to the licence status it was given for.
- GET /cameras (signed-in), GET/PUT /admin/camera-providers (admin only).
- /traffic/511 follows the ny511 provider switch and returns the DAA credit
+ NYSDOT as-is disclaimer; 511NY event descriptions no longer truncated
("may not alter the substance of a report").
Frontend:
- LiveView becomes the ops wall: Region > Incident > Camera drill-down,
worst-first rail (MapView), KPIs, transcript ticker, scrubber incident
bands, auto-tour, deep links (#inc=&cam=&tour), Esc steps up.
- Incident panel: nearest cameras (path-weighted), fused situational context
(ADS-B, AIS, 511NY events, NEXRAD tile sample), units, call spine.
- MapView keeps every layer; adds Camera Viewsheds (approx.) overlay and a
nearest-camera layer for the selected incident.
- CameraFeed hygiene: hidden-tab/off-screen gating, 2 concurrent HLS cap,
last good frame + stale badge, frozen-frame signature, HLS stall watchdog,
provider attribution rendered on the imagery.
- Camera/event popups show source credit, update time and the disclaimer.
- Admin > Camera providers tab with licence status, health, gated confirm.
- Camera detection is not built (blocked on #199/#200); seam only.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Logan CusanoandClaude Opus 5.5