fix carga de UUIDs en dashboard

Aplica el mismo patrón que funciona en UuidSelector: intenta
uuids-with-names con fallback a uuids, y mapea correctamente
los datos para extraer solo los UUIDs.

client/src/views/Dashboard.vue

@@ -265,16 +265,26 @@ const totalPlayers = computed(() => rooms.value.reduce((sum, room) => sum + room
 onMounted(async () => {
   // Try SSE first, fallback to polling if it fails
   initSSE();
-  // Load allowed UUIDs from API
+  // Load allowed UUIDs from API (using same pattern as UuidSelector)
   try {
-    const response = await fetch(`${import.meta.env.VITE_API_URL || 'http://localhost:3000/api'}/admin/uuids`);
+    const response = await fetch(`${import.meta.env.VITE_API_URL || 'http://localhost:3000/api'}/admin/uuids-with-names`);
+    
+    if (!response.ok) {
+      console.warn('Failed to fetch uuids-with-names, trying fallback...');
+      // Fallback to regular UUIDs endpoint
+      const fallbackResponse = await fetch(`${import.meta.env.VITE_API_URL || 'http://localhost:3000/api'}/admin/uuids`);
+      const fallbackData = await fallbackResponse.json();
+      allowedUuids.value = fallbackData.uuids || [];
+    } else {
       const data = await response.json();
-    allowedUuids.value = data.uuids || [];
+      allowedUuids.value = (data.uuids || []).map((uuidInfo: any) => uuidInfo.uuid || uuidInfo);
+    }
+    
     if (!selectedUuid.value && allowedUuids.value.length > 0) {
       selectedUuid.value = allowedUuids.value[0];
     }
-  } catch {
-    console.error('Failed to load UUIDs from API');
+  } catch (error) {
+    console.error('Failed to load UUIDs from API:', error);
   }
 });