fix: robust mobile suspend and auth recovery

frontend/src/stores/favorites.ts

@@ -24,6 +24,13 @@ export const useFavoritesStore = defineStore('favorites', () => {
 
     async function loadFavorites() {
         isLoading.value = true
+        // Safety: si la red está inestable al awakening del background, no quedar cargando
+        const safetyTimer = setTimeout(() => {
+            if (isLoading.value) {
+                console.warn('SIBU | favoritesStore: safety timeout — reseteando isLoading')
+                isLoading.value = false
+            }
+        }, 12000)
         try {
             const { data: userData } = await supabase.auth.getUser()
             if (!userData?.user) { favorites.value = []; return }
@@ -37,6 +44,7 @@ export const useFavoritesStore = defineStore('favorites', () => {
         } catch (error) {
             console.error('Error loading favorites:', error)
         } finally {
+            clearTimeout(safetyTimer)
             isLoading.value = false
         }
     }