Part A - Bot Game Engine (BotGamePlayerService):
- Maps player ratings to 7 bot personalities (amina→grandmaster)
- Plays actual chess games move-by-move via Stockfish API
- Full FEN tracking, UCI→SAN conversion, PGN generation
- Game termination: checkmate, stalemate, 50-move, repetition, 80-move adjudication
- Stores complete games in existing `matches` table (pgn, moves JSONB, fen)

Part B - Game Viewer:
- Interactive chessboard (CSS grid + Unicode pieces)
- Move-by-move navigation (first/prev/play/next/last + keyboard arrows)
- Move list with click-to-jump
- Last move highlighting
- Auto-play mode (800ms per move)
- Uses chess.js for position replay from UCI moves

Integration:
- "لعب مباريات حقيقية" checkbox in bot testing panel
- "♟ عرض" (View Game) button next to each completed pairing with match_id
- Route: /tournaments/{id}/game/{matchId}
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>