v9: Major feature update — audio backup, SOAP save, Dragon memory, S3 docs, CI/CD, APK
Phase 1 — Critical Fixes:
- Fix SOAP instructions not clearing on Clear button
- Show transcription provider (AWS/OpenAI) in UI toast
- Fix silent transcription failures in dictation and SOAP modules
- Add IndexedDB audio backup system (24hr retention, retry from Settings)
- Prevent duplicate encounter saves with idempotency keys
- Add Save/Load/New bar to SOAP note generator
Phase 2 — Features:
- Dragon-like AI memory: auto-track user corrections, inject into prompts
- Per-section template categories (SOAP, HPI, well visit, sick visit)
- Bigger textarea for SOAP instructions
- S3 document upload/management (AWS S3, Backblaze B2, MinIO compatible)
- Faster transcription via lower bitrate recording (16kbps opus)
Phase 3 — APK & CI/CD:
- GitHub Actions: Docker build+push on version tags
- GitHub Actions: TWA APK build for Obtainium auto-updates
- Android TWA project with foreground service for background recording
- Enhanced PWA manifest with shortcuts and maskable icons
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