Add unit and integration tests with Vitest targeting >80% coverage.\n\n- Unit tests for helpers, utilities, and middleware\n- Integration tests for API routes\n- Bot event handler tests with mocked Discord.js\n- Database schema migration tests\n- CI integration
Add unit and integration tests with Vitest targeting >80% coverage.\n\n- Unit tests for helpers, utilities, and middleware\n- Integration tests for API routes\n- Bot event handler tests with mocked Discord.js\n- Database schema migration tests\n- CI integration