Actualizar sistema de admin y mejoras en lobby

client/src/views/Dashboard.vue

@@ -82,6 +82,13 @@
           <div class="control-group">
             <h3>Player Management</h3>
             <div class="control-buttons">
+              <button 
+                @click="shufflePlayers" 
+                class="btn btn-shuffle"
+                :disabled="isLoadingGlobal"
+              >
+                🎲 Shuffle Players
+              </button>
               <button 
                 @click="sendAllToLobby" 
                 class="btn btn-lobby-all"
@@ -386,6 +393,30 @@ async function changeGlobalVariant() {
   }
 }
 
+async function shufflePlayers() {
+  if (!confirm('Are you sure you want to SHUFFLE all players? This will randomly redistribute players between rooms and assign new roles!')) return;
+  
+  isLoadingGlobal.value = true;
+  try {
+    const response = await fetch(`${import.meta.env.VITE_API_URL || 'http://localhost:3000/api'}/admin/shuffle-players`, {
+      method: 'POST',
+      headers: { 'Content-Type': 'application/json' }
+    });
+    
+    if (!response.ok) throw new Error('Failed to shuffle players');
+    
+    const result = await response.json();
+    console.log('Players shuffled successfully:', result.message);
+    alert(`Shuffle completed! ${result.message}`);
+    await fetchData();
+  } catch (error) {
+    console.error('Failed to shuffle players:', error);
+    alert('Failed to shuffle players. Check console for details.');
+  } finally {
+    isLoadingGlobal.value = false;
+  }
+}
+
 async function sendAllToLobby() {
   if (!confirm('Are you sure you want to send ALL players back to the lobby? This will end all active games!')) return;
   
@@ -683,6 +714,11 @@ const selectedRoom = computed(() => {
   color: white;
 }
 
+.btn-shuffle {
+  background: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
+  color: white;
+}
+
 .btn-lobby-all {
   background: linear-gradient(135deg, #2196f3 0%, #1976d2 100%);
   color: white;

client/src/views/DemoGame.vue

@@ -211,6 +211,23 @@ onMounted(() => {
   // Handle room closure/disconnection
   room.onLeave((code) => {
     console.log('[DemoGame] Room disconnected with code:', code);
+    
+    // Handle shuffle disconnection specially
+    if (code === 1002) {
+      console.log('[DemoGame] Disconnected for player shuffle - will redirect to lobby');
+      try { 
+        if (typeof window !== 'undefined') { 
+          window.localStorage.removeItem('snatch.game.roomId'); 
+          window.localStorage.removeItem('snatch.game.sessionId'); 
+        } 
+      } catch {}
+      
+      // Redirect to lobby and let it handle the shuffle redirect
+      router.push('/');
+      return;
+    }
+    
+    // Normal disconnection handling
     // Always clean up local storage when room closes
     try { 
       if (typeof window !== 'undefined') {