- Fix MIME type for app files by preserving directory structure in sanitize_file_path()
- Add with_event_type() to TaskProgressEvent for correct WebSocket event types
- broadcast_manifest_update() now sends 'manifest_update' type correctly
- update_item_status() broadcasts automatically for real-time file progress
- Merge all 6.0.x through 6.1.x migrations into one file
- All 129 CREATE TABLE statements preserved
- 3661 lines of SQL in consolidated up.sql
- No tables removed, just combined into single migration
