- Add cpdef wrappers (get_placed_squares, get_placed_corners) for Python
accessibility of previously cdef-only methods
- Add get_standard_pieces() to expose Cython standard piece set
- Add is_game_over(), get_scores(), get_winners() to Cython BlokusGame
- Fix valid_move() player_occupied lookup (was using player_idx instead
of player_idx+1, causing bots to fail after first move)
- Update session.py, app.py, bots.py to use Cython with pure Python fallback
- Fix board.grid.tolist() to np.array(grid).tolist() for memoryview compat
- Add Cython build artifacts to .gitignore
- Add autoSave() function that saves replay silently on game over
- Add beforeunload listener to save incomplete games when navigating away
- Add prominent 'Save Now' button in status bar (visible during play)
- Show 'Replay auto-saved!' notification in status bar
- Add gameSaved flag to prevent duplicate saves
- Add width/height (30px) to .placement-cell CSS so cells are visible
- Account for CSS grid gap (1px) in placement cell positioning
- Set width/height dynamically in JS for consistency
- Add blokus_ui package: Flask web app for human-vs-bot Blokus
- GameSession: wraps BlokusGame for human play, records move history, serializes
- RunStore: file-based JSON replay storage with save/load/list/delete
- Flask app: routes for new game, play, save, browse runs, replay
- Templates: index (new game + run browser), game (playable board), replay (step controls)
- Static: CSS (dark theme, colored cells, placement overlays) + JS (click handling, API calls)
- Add blokus_ui tests (19 tests for GameSession and RunStore)
- Update pyproject.toml with flask dependency and blokus-ui entry point
- Fix: remove unreachable dead code in BlokusGame.valid_move
- All 102 tests pass, ruff lint clean