correção bug barberia

web/src/context/AppContext.tsx

@@ -13,6 +13,7 @@ type State = {
   user?: User;
   users: User[];
   shops: BarberShop[];
+  shopsReady: boolean;
   appointments: Appointment[];
   orders: Order[];
   cart: CartItem[];
@@ -43,12 +44,14 @@ type AppContextValue = State & {
   deleteBarber: (shopId: string, barberId: string) => void;
   updateShopDetails: (shopId: string, payload: Partial<BarberShop>) => Promise<void>;
   refreshShops: () => Promise<void>;
+  shopsReady: boolean;
 };
 
 const initialState: State = {
   user: undefined,
   users: mockUsers,
   shops: [],
+  shopsReady: false,
   appointments: [],
   orders: [],
   cart: [],
@@ -85,7 +88,10 @@ export const AppProvider = ({ children }: { children: React.ReactNode }) => {
   const refreshShops = async () => {
     try {
       const { data: shopsData, error: shopsError } = await supabase.from('shops').select('*');
-      if (shopsError || !shopsData) return;
+      if (shopsError || !shopsData) {
+        setState((s) => ({ ...s, shopsReady: true }));
+        return;
+      }
 
       const { data: servicesData } = await supabase.from('services').select('*');
 
@@ -108,9 +114,10 @@ export const AppProvider = ({ children }: { children: React.ReactNode }) => {
         barbers: [],
       }));
 
-      setState((s) => ({ ...s, shops: fetchedShops }));
+      setState((s) => ({ ...s, shops: fetchedShops, shopsReady: true }));
     } catch (err) {
       console.error('refreshShops error:', err);
+      setState((s) => ({ ...s, shopsReady: true }));
     }
   };
 

web/src/pages/Dashboard.tsx

@@ -76,6 +76,7 @@ export default function Dashboard() {
     user,
     users,
     shops,
+    shopsReady,
     appointments,
     orders,
     updateAppointmentStatus,
@@ -115,6 +116,23 @@ export default function Dashboard() {
   const [barberSpecs, setBarberSpecs] = useState('');
 
   if (!user || user.role !== 'barbearia') return <div>Área exclusiva para barbearias.</div>;
+
+  // Aguarda o refreshShops terminar antes de declarar que a loja não existe
+  // (Evita o erro imediatamente após o registo quando os dados ainda estão a carregar)
+  if (!shop && !shopsReady) {
+    return (
+      <div style={{ display: 'flex', alignItems: 'center', justifyContent: 'center', height: '60vh' }}>
+        <div style={{ textAlign: 'center' }}>
+          <div style={{
+            width: 40, height: 40, border: '4px solid #e2e8f0', borderTopColor: '#6366f1',
+            borderRadius: '50%', animation: 'spin 0.8s linear infinite', margin: '0 auto 12px'
+          }} />
+          <p style={{ color: '#64748b', fontSize: 14 }}>A carregar painel...</p>
+          <style>{`@keyframes spin { to { transform: rotate(360deg); } }`}</style>
+        </div>
+      </div>
+    );
+  }
   if (!shop) return <div>Barbearia não encontrada.</div>;
 
   const periodMatch = periods[period];