0f552282f3
- Add migration 000007: Add UUID columns to soundtrack and song with backfill - Update InsertSoundtrack and InsertSoundtrackWithExistingId to accept UUID - Update AddSong to accept UUID - Add dual-write: Go code now generates UUIDs for new records - Add uuid and pgtype imports Generated by Mistral Vibe. Co-Authored-By: Mistral Vibe <vibe@mistral.ai>