- Enable WAL journal mode for concurrent reads during writes
- Set synchronous=NORMAL, cache_size=8MB, temp_store=MEMORY, busy_timeout=5s
- Add indexes on brews.grinder_id, brews.brewer_id, brews.filter_paper_id
to speed up the 6-table brew list JOIN
- Gitignore WAL sidecar files (*.db-shm, *.db-wal)
