Fix initial pieces to use shared queue in startGame

All players now receive the same first two pieces from the shared
piece queue, with sequence index starting at 2.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

server/index.js

@@ -492,12 +492,6 @@ function startGame() {
   // Initialize shared piece queue
   lobby.pieceQueue = createPieceQueue(14); // 98 pieces (~14 bags)
 
-  // Initialize sequence index for each player
-  lobby.playerSequenceIndex.clear();
-  for (const player of lobby.players.values()) {
-    lobby.playerSequenceIndex.set(player.id, 0);
-  }
-
   for (const player of lobby.players.values()) {
     player.board = createEmptyBoard();
     player.score = 0;
@@ -507,8 +501,18 @@ function startGame() {
     player.dropInterval = 1000;
     player.holdPiece = null;
     player.canHold = true;
-    player.currentPiece = getRandomPiece();
-    player.nextPiece = getRandomPiece();
+    lobby.playerSequenceIndex.set(player.id, 0);
+  }
+
+  // Assign first two pieces from queue to all players
+  const firstPieceType = lobby.pieceQueue[0];
+  const secondPieceType = lobby.pieceQueue[1];
+
+  for (const player of lobby.players.values()) {
+    player.currentPiece = getPieceFromType(firstPieceType);
+    player.nextPiece = getPieceFromType(secondPieceType);
+    // Advance all players to index 2 since we've used first two pieces
+    lobby.playerSequenceIndex.set(player.id, 2);
   }
 
   lobby.gameInterval = setInterval(() => gameTick(), 50);