Fix: Resolver error de React hooks en fase MISSION

- Mover useState de cardOrder al nivel del componente
- Eliminar IIFE que causaba violación de reglas de hooks
- Usar cardOrder directamente en lugar de successFirst
- Ahora la fase MISSION debería funcionar correctamente

client/src/components/GameBoard.tsx

@@ -15,6 +15,10 @@ export default function GameBoard({ gameState, currentPlayerId, actions }: GameB
     // Hooks para FASE REVEAL ROLE
     const [revealCard, setRevealCard] = useState(false);
 
+    // Orden aleatorio de cartas de misión (se genera una vez)
+    const [cardOrder] = useState(() => Math.random() > 0.5);
+
+
     // Timer para avanzar automáticamente en REVEAL_ROLE
     useEffect(() => {
         if (gameState.phase === 'reveal_role' as any) {
@@ -463,18 +467,14 @@ export default function GameBoard({ gameState, currentPlayerId, actions }: GameB
                                 ) : (
                                     <div className="text-white text-xl font-mono animate-pulse">
                                         VOTO REGISTRADO. ESPERANDO AL RESTO...
+                                        ```
                                     </div>
                                 )}
                             </motion.div>
                         )}
 
                         {/* FASE: MISIÓN */}
-                        {gameState.phase === GamePhase.MISSION && (() => {
+                        {gameState.phase === GamePhase.MISSION && (
-                            // Generar orden aleatorio de cartas (solo una vez por jugador)
-                            const [cardOrder] = useState(() => Math.random() > 0.5);
-                            const successFirst = cardOrder;
-
-                            return (
                             <motion.div
                                 key="mission"
                                 className="fixed inset-0 flex items-center justify-center bg-black/90 z-50"
@@ -497,7 +497,7 @@ export default function GameBoard({ gameState, currentPlayerId, actions }: GameB
 
                                         {/* Cartas en orden aleatorio */}
                                         <div className="flex gap-12 flex-wrap justify-center">
-                                                {successFirst ? (
+                                            {cardOrder ? (
                                                 <>
                                                     {/* Carta de Éxito primero */}
                                                     <button onClick={() => actions.voteMission(true)} className="group">
@@ -564,8 +564,7 @@ export default function GameBoard({ gameState, currentPlayerId, actions }: GameB
                                     </div>
                                 )}
                             </motion.div>
-                            );
+                        )}
-                        })()}
 
                         {/* FASE: REVELACIÓN DE CARTAS */}
                         {gameState.phase === 'mission_reveal' as any && (