Adds ability to upload, view, and manage photos for practice sessions:
- New database schema for practice attachments with file metadata
- Photo upload zone component with drag & drop and camera capture
- Offline session modal for logging practice done away from the app
- Session photo gallery with lightbox viewer and upload capability
- Photo indicators on session list cards
- Inline photo thumbnails on session summary page
- APIs for creating offline sessions, uploading photos, and serving files
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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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