feat(app): implement Product Scan review flow, dynamic batch expiry picker, custom PDFs, PO relationships, and aligned card layouts

lib/features/auth/auth_provider.dart

@@ -13,6 +13,23 @@ class AuthNotifier extends StateNotifier<bool> {
     final token = prefs.getString('auth_token');
     if (token != null) {
       state = true;
+      try {
+        final apiClient = _ref.read(apiClientProvider);
+        final response = await apiClient.client.get('/auth/me');
+        if (response.data is Map && response.data['data'] is Map) {
+          final profile = response.data['data']['profile'];
+          if (profile != null) {
+            await prefs.setString('nama_toko', profile['namaToko'] ?? '');
+            await prefs.setString('kode_toko', profile['kodeToko'] ?? '');
+          }
+        }
+      } catch (e) {
+        // If unauthorized, perform clean logout
+        if (e.toString().contains('401') || e.toString().contains('Unauthorized')) {
+          await logout();
+          return false;
+        }
+      }
       return true;
     }
     state = false;
@@ -35,12 +52,17 @@ class AuthNotifier extends StateNotifier<bool> {
       }
       
       final token = response.data['data']['token'];
+      final profile = response.data['data']['profile'];
       if (token == null) {
         throw Exception("Token otentikasi tidak ditemukan dalam respon");
       }
       
       final prefs = await SharedPreferences.getInstance();
       await prefs.setString('auth_token', token);
+      if (profile != null) {
+        await prefs.setString('nama_toko', profile['namaToko'] ?? '');
+        await prefs.setString('kode_toko', profile['kodeToko'] ?? '');
+      }
       
       state = true;
     } catch (e) {
@@ -52,6 +74,8 @@ class AuthNotifier extends StateNotifier<bool> {
   Future<void> logout() async {
     final prefs = await SharedPreferences.getInstance();
     await prefs.remove('auth_token');
+    await prefs.remove('nama_toko');
+    await prefs.remove('kode_toko');
     state = false;
   }
 }