- Add GET /ready endpoint that checks database connection
- Returns 200 'ready' when connected, 503 when not
- Update Routes to require DataSource dependency
- Provide dataSourceLayer in Main.scala
- Use 'hikari' prefix for HikariCP config to avoid ZIO config conflict
- Add Migrator trait with migrate/status ZIO effects
- Create V1 migration for summer_users table
- Configure Flyway with summer_migrations table and classpath location
- Migrations run manually via CLI, not on startup
- Add QuillContext with dataSourceLayer and quillLayer
- Update application.conf for HikariCP-compatible format
- Export combined quillLive layer for database access
