winner 0 index causing it to draw. using username for winner string. break the highliting X or 0 for cell, which was broken anyway

src/tictactoe/TicTacToe.tsx

@@ -32,8 +32,7 @@ export default function TicTacToe() {
       setTurn(state.turn);
       setGameOver(state.game_over);
       if (state.winner >= 0) {
-        // Somebody actually won (0 or 1)
-        setWinner(state.winner);
+        setWinner(state.players[state.winner].username);
       // } else if (state.game_over) {
       //   // Game ended but winner = -1 → draw
       //   setWinner("draw");