john-okeefe 7ead4109ef Add performance optimizations (Phase 7) ...

- Add 12 composite database indexes for sync operations
- Composite indexes for sync_queue (device/status/priority)
- Composite indexes for reading_progress (user/media timestamps)
- Composite indexes for devices (user/sync_enabled)
- Composite indexes for annotations (user/media)
- Comment out ALTER SYSTEM commands for sqlc compatibility
- PostgreSQL tuning recommendations included for manual application

2026-01-31 13:06:17 -05:00

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schema

Add performance optimizations (Phase 7)

2026-01-31 13:06:17 -05:00