- Add flyway-database-postgresql dependency
- Create DatabaseUdfProvider abstraction with SQLite/PostgreSQL implementations
- Update all DAO classes to use JooqUdfHelper for database-agnostic UDF/collation
- Implement dynamic JOOQ dialect configuration based on database type
- Add PostgreSQL migration directory with initial migration
- Create Docker Compose setup for PostgreSQL 16
- Add integration test with Testcontainers PostgreSQL
- Create helper scripts for local testing
- Update application.yml for simplified testing
- Add documentation and task tracking
