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maziggyandClaude Opus 4.5
a7319f0e70
Root cause: When a print completed with the camera stream popup open, spawning a second ffmpeg process for finish photo capture caused a conflict that froze the browser tab and video window. Solution: Buffer the last frame from active camera streams. When capturing finish photo, use the buffered frame if a stream is active instead of spawning a new ffmpeg process. Backend changes: - camera.py: Added _last_frames buffer and get_buffered_frame() helper - main.py: Photo capture uses buffered frame when stream is active - main.py: Moved slow operations to background tasks (energy calc, photo capture, smart plug, notifications, maintenance) - archive.py: Fixed sync file write blocking event loop (asyncio.to_thread) - printers.py: Added debug endpoint to simulate print completion Frontend changes: - useWebSocket.ts: Throttled printer status updates (100ms) to prevent UI overload from rapid WebSocket messages - useWebSocket.ts: Debounced archive invalidations (3s) to prevent cascade of re-renders on print completion - useWebSocket.test.ts: Updated tests for throttled/debounced handlers 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>