634c6e8eab
- Add generatePieceBag() and createPieceQueue() for 7-bag system - Add pieceQueue and playerSequenceIndex to lobby state - Modify spawnPiece() to consume from shared queue per player - Update player-hold handler to manage sequence index on hold - Add sequenceIndex to state updates for tracking - Update client loadState() to receive sequenceIndex Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>