- Move SQLite DB to data/ directory and track in git for portability
- Fix SQL injection in cleanup_old_emails (use parameterized query)
- Replace sync requests with async httpx in auth.py
- Enable WAL mode and foreign keys for SQLite
- Add UNIQUE constraint and foreign key to account_tags table
- Remove redundant indexes on primary key columns
- Mount data/ volume in docker-compose for persistence
- Remove unused requests dependency
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
