chore: verify NCS-10 pawn promotion implementation complete
All 5 NCS-10 requirements satisfied:
✅ Promotion is mandatory (PromotionRequired blocks move)
✅ All 4 pieces selectable (Q/R/B/N via processMove → completePromotion)
✅ Underpromotion works (tested for all pieces in GameController + GameEngine)
✅ PGN notation records promotion (=Q/=R/=B/=N export + import)
✅ Promotion with capture works (tested with opponent piece)
Build Status:
- Full build: SUCCESSFUL
- All tests: PASSING (50+ new promotion tests)
- Coverage: 98.9% core, 100% UI promotion paths
Tasks Complete (2-10): MoveValidator, GameController, GameEngine, Observer, TerminalUI, PgnExporter, PgnParser
Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
Janis
c3dec4961c