- Complete transition to CodeLens identity across all source code and documents
- Integrate high-precision SVG logo and signature red-dot favicon
- Optimize Dashboard header with minimalist monospaced typography
- Fix backend static routing in app.py to correctly serve root brand assets
- Create GET_STARTED.md with troubleshooting for venv and database initialization
- Standardize all CLI commands (migrate.py init) and Docker tags
- Resolve Tailwind CSS linting warnings and refactor app startup to lifespan pattern
test: expand test suite to 150+ tests and 80%+ coverage
- Added 30 parametrized scenario validation tests (97 total cases)
- Implemented shared fixtures in conftest.py with in-memory DB override
- Added persistence layer tests for SQLite and leaderboard logic
- Expanded grader tests with edge cases for line tolerance and penalties
- Added API error path and pagination tests
- Fixed logic bug in SecurityGrader keyword thresholding
- Configured pytest-cov with 80% coverage enforcement
