7a1329958d
- fix(render): ffmpeg overlay=0:0 -> overlay=0:0:shortest=1 to prevent hang on finite PNG sequences - feat(ws): add core/websocket.py ConnectionManager + Redis Pub/Sub subscriber loop - feat(ws): add /api/ws WebSocket endpoint with JWT query-param auth in main.py - feat(ws): emit render_complete/failed + cad_processing_complete events from step_tasks.py - feat(ws): emit order_status_change events from orders router - feat(ws): add beat_tasks.py broadcast_queue_status task (every 10s via Redis __broadcast__) - feat(frontend): add useWebSocket hook with auto-reconnect (exponential backoff, 25s ping) - feat(frontend): add WebSocketContext + WebSocketProvider wrapping App - refactor(frontend): remove polling from WorkerActivity (was 5s/3s) + OrderDetail (was 5s) - refactor(frontend): reduce polling in Layout (8s->60s) + NotificationCenter (15s->60s) - docs: add ffmpeg shortest=1 + WebSocket JWT auth learnings to LEARNINGS.md Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>