user admin capability

lib/screens/account_screen.dart

@@ -1,6 +1,8 @@
 /// Signed-in account details, sync status, bank link, and sign-out.
 library;
 
+import 'dart:async';
+
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 
@@ -10,11 +12,26 @@ import '../providers/sync_provider.dart';
 import '../providers/tx_meta_provider.dart';
 import '../utils/connect_bank.dart';
 import '../utils/constants.dart';
+import '../widgets/admin_create_transaction_dialog.dart';
 import '../widgets/responsive_body.dart';
 
-class AccountScreen extends StatelessWidget {
+class AccountScreen extends StatefulWidget {
   const AccountScreen({super.key});
 
+  @override
+  State<AccountScreen> createState() => _AccountScreenState();
+}
+
+class _AccountScreenState extends State<AccountScreen> {
+  @override
+  void initState() {
+    super.initState();
+    WidgetsBinding.instance.addPostFrameCallback((_) {
+      if (!mounted) return;
+      unawaited(context.read<AuthController>().refreshSession());
+    });
+  }
+
   @override
   Widget build(BuildContext context) {
     final auth = context.watch<AuthController>();
@@ -62,6 +79,24 @@ class AccountScreen extends StatelessWidget {
                   ),
                 ),
               ),
+            if (auth.isAdmin)
+              Padding(
+                padding: const EdgeInsets.only(top: 8),
+                child: Chip(
+                  avatar: Icon(
+                    Icons.shield_outlined,
+                    size: 16,
+                    color: colors.onSecondaryContainer,
+                  ),
+                  label: const Text('Admin'),
+                  visualDensity: VisualDensity.compact,
+                  backgroundColor: colors.secondaryContainer,
+                  labelStyle: theme.textTheme.labelMedium?.copyWith(
+                    color: colors.onSecondaryContainer,
+                    fontWeight: FontWeight.w600,
+                  ),
+                ),
+              ),
             const SizedBox(height: 24),
             Card(
               child: Column(
@@ -90,6 +125,36 @@ class AccountScreen extends StatelessWidget {
                 ],
               ),
             ),
+            if (auth.isAdmin) ...[
+              const SizedBox(height: 16),
+              Card(
+                child: ListTile(
+                  leading: const Icon(Icons.add_card_outlined),
+                  title: const Text('Create test transaction'),
+                  subtitle: const Text(
+                    'Admin only · local + syncs to PocketBase',
+                  ),
+                  trailing: const Icon(Icons.chevron_right),
+                  onTap: () async {
+                    final tx = await showAdminCreateTransactionDialog(context);
+                    if (tx == null || !context.mounted) return;
+                    ScaffoldMessenger.of(context).showSnackBar(
+                      SnackBar(
+                        content: Text(
+                          'Created “${tx.description}” · '
+                          '${tx.amount.toStringAsFixed(2)} ${tx.currency}',
+                        ),
+                      ),
+                    );
+                    // Push so other devices / PB see it soon.
+                    final sync = context.read<SyncController>();
+                    if (sync.canSync && !sync.isSyncing) {
+                      unawaited(sync.syncNow());
+                    }
+                  },
+                ),
+              ),
+            ],
             const SizedBox(height: 16),
             Card(
               child: ListTile(