docs(03-03): complete camera capture plan

Tasks completed: 2/2
- CameraCapture component with getUserMedia
- Feature detection and graceful fallback

SUMMARY: .planning/phases/03-images/03-03-SUMMARY.md

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

.planning/phases/03-images/03-03-SUMMARY.md

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+---
+phase: 03-images
+plan: 03
+subsystem: images
+tags: [camera, getUserMedia, mediaDevices, photo-capture, mobile]
+
+# Dependency graph
+requires:
+  - phase: 03-02
+    provides: uploadImage form action for photo upload
+provides:
+  - CameraCapture modal component with getUserMedia
+  - Photo capture via canvas.toBlob
+  - Feature detection and graceful fallback
+affects: [03-04-gallery-display]
+
+# Tech tracking
+tech-stack:
+  added: []
+  patterns: [getUserMedia for camera access, canvas.toBlob for photo capture, feature detection for graceful fallback]
+
+key-files:
+  created:
+    - src/lib/components/CameraCapture.svelte
+  modified: []
+
+key-decisions:
+  - "JPEG output at 0.9 quality for captured photos"
+  - "Default to back camera (environment) for mobile paper note photos"
+  - "Stop camera stream immediately after capture to save battery"
+  - "Feature detection before attempting getUserMedia"
+  - "10 second timeout to prevent indefinite loading state"
+
+patterns-established:
+  - "Camera modal: full-screen black background with centered preview"
+  - "Capture flow: live preview -> capture -> review -> retake/confirm"
+  - "Error handling: hasCameraSupport, isSecureContext, NotAllowedError, NotFoundError"
+
+# Metrics
+duration: 2min
+completed: 2026-01-29
+---
+
+# Phase 03 Plan 03: Camera Capture Summary
+
+**Full-screen camera modal with getUserMedia, photo capture via canvas.toBlob, and comprehensive feature detection**
+
+## Performance
+
+- **Duration:** 2 min
+- **Started:** 2026-01-29T14:26:55Z
+- **Completed:** 2026-01-29T14:28:23Z
+- **Tasks:** 2
+- **Files created:** 1
+
+## Accomplishments
+- CameraCapture modal component with live camera preview
+- Photo capture using canvas.toBlob (JPEG at 0.9 quality)
+- Preview captured photo with retake/confirm options
+- Camera stream properly stopped on close and after capture
+- Front/back camera switching for mobile devices
+- Comprehensive feature detection and error handling
+- Upload integration via fetch to ?/uploadImage action
+
+## Task Commits
+
+Each task was committed atomically:
+
+1. **Task 1: CameraCapture component with getUserMedia** - `8248e0c` (feat)
+   - Task 2 (feature detection) was implemented within Task 1 as the functionality was integrated
+
+## Files Created/Modified
+- `src/lib/components/CameraCapture.svelte` - Full camera capture modal component (313 lines)
+
+## Key Functions Implemented
+- `startCamera()` - Initialize camera stream with getUserMedia
+- `stopCamera()` - Clean up camera stream and video element
+- `capturePhoto()` - Capture frame to canvas and convert to blob
+- `retake()` - Clear capture and restart camera
+- `confirmAndUpload()` - Upload captured photo to server
+- `switchCamera()` - Toggle between front and back camera
+- `handleClose()` - Clean shutdown with proper cleanup
+
+## Feature Detection
+- `hasCameraSupport` - Check for navigator.mediaDevices.getUserMedia
+- `isSecureContext` - Verify HTTPS (required for camera except localhost)
+- `NotAllowedError` - Camera permission denied by user
+- `NotFoundError` - No camera available on device
+- 10 second timeout - Prevent indefinite loading state
+
+## Decisions Made
+- **JPEG at 0.9 quality:** Balance between file size and quality for uploaded photos
+- **Default back camera:** Most users will photograph paper notes, back camera is more useful
+- **Stop camera after capture:** Save battery while user reviews photo
+- **Full-screen modal:** Typical camera UI pattern, black background
+
+## Deviations from Plan
+
+**Task 2 merged into Task 1:** All feature detection and error handling was implemented as part of Task 1 since it made more sense to build the complete component with proper error handling from the start rather than retrofitting it.
+
+## Issues Encountered
+
+None.
+
+## User Setup Required
+
+None - no external service configuration required.
+
+## Next Phase Readiness
+- CameraCapture component ready for integration into entry detail view (03-04)
+- Works with uploadImage action from 03-02
+- Proper cleanup prevents camera indicator from staying on
+
+---
+*Phase: 03-images*
+*Completed: 2026-01-29*