- TestWebhookHandler_OversizedBody: POST /webhook with >1MB body expects 413
- TestTagsHandler_OversizedBody: POST /api/tags with >1MB body expects 413
- TestTagAssignmentHandler_OversizedBody: PUT /api/tag-assignments with >1MB body expects 413
- Verifies tag survives a second UpdateEvent() for the same image (DATA-01)
- Verifies acknowledged_at is reset to NULL by the new event
- Verifies event fields (Status) are updated by the new event
- Add PRAGMA foreign_keys = ON in InitDB() after SetMaxOpenConns(1)
- Replace INSERT OR REPLACE INTO updates with named-column INSERT ON CONFLICT UPSERT
- UPSERT preserves tag_assignments rows on re-insert (fixes DATA-01)
- FK enforcement makes ON DELETE CASCADE fire on tag deletion (fixes DATA-02)
- Protect `/webhook` endpoint using the `Authorization` header
- Update `README.md` with setup instructions and examples for authentication
- Warn when `WEBHOOK_SECRET` is not configured
- Add tests for valid, missing, and invalid token scenarios
- Update `docker-compose.yml` to support `WEBHOOK_SECRET` configuration
- **fix(sql):** wrap `rows.Close` in a `defer` function to safely handle potential close errors
- **fix(api):** handle JSON encoding errors in API responses to prevent unhandled edge cases
- **docs:** correct typos and improve phrasing in `.claude/CLAUDE.md`
- **test:** add error handling for `UpdateEvent` in test cases
- **feat(ui):** implement `AcknowledgeButton` component for acknowledging images
- **feat(stats):** add dashboard stats for total images, pending updates, and acknowledged status
- **chore(deps):** introduce `bun` dependency management and add required libraries
- **style(ui):** enhance UI with Tailwind-based components and modularity improvements
- **chore:** add drag-and-drop tag assignment using `@dnd-kit/core`
