fix: try-catch en library-store.load() — evita spinner infinito si tablas no existen

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/store/library-store.ts

@@ -38,12 +38,17 @@ export const useLibraryStore = create<LibraryState>((set, get) => ({
 
   load: async () => {
     set({ isLoading: true })
+    try {
       const [groups, processes, settings] = await Promise.all([
         supabaseGroupRepo.getAll(),
         supabaseProcessRepo.getAll(),
         supabaseSettingsRepo.get(),
       ])
       set({ groups, processes, settings, isLoading: false })
+    } catch (err) {
+      console.error('Error al cargar la biblioteca:', err)
+      set({ isLoading: false })
+    }
   },
 
   createGroup: async (name: string) => {