A better state and alerts

lib/screens/teams/teams_screen.dart

@@ -11,6 +11,7 @@ import '../../utils/supabase_response.dart';
 import 'package:tasq/widgets/multi_select_picker.dart';
 import '../../theme/app_surfaces.dart';
 import '../../widgets/tasq_adaptive_list.dart';
+import '../../utils/snackbar.dart';
 
 // Note: `officesProvider` is provided globally in `tickets_provider.dart` so
 // we reuse that StreamProvider here (avoids duplicate queries).
@@ -368,26 +369,18 @@ class _TeamsScreenState extends ConsumerState<TeamsScreen> {
     }
 
     Future<void> onSave(StateSetter setState, NavigatorState navigator) async {
-      final messenger = ScaffoldMessenger.of(navigator.context);
+      final ctx = context; // capture for async use
       final name = nameController.text.trim();
       if (name.isEmpty) {
-        ScaffoldMessenger.of(
-          context,
-        ).showSnackBar(const SnackBar(content: Text('Team name is required')));
+        showWarningSnackBar(ctx, 'Team name is required');
         return;
       }
       if (leaderId == null) {
-        messenger.showSnackBar(
-          const SnackBar(content: Text('Please select a team leader')),
-        );
+        showWarningSnackBar(ctx, 'Please select a team leader');
         return;
       }
       if (selectedOffices.isEmpty) {
-        messenger.showSnackBar(
-          const SnackBar(
-            content: Text('Assign at least one office to the team'),
-          ),
-        );
+        showWarningSnackBar(ctx, 'Assign at least one office to the team');
         return;
       }
 
@@ -506,9 +499,9 @@ class _TeamsScreenState extends ConsumerState<TeamsScreen> {
           }
         }
       } catch (e) {
-        messenger.showSnackBar(
-          SnackBar(content: Text('Failed to save team: $e')),
-        );
+        if (!mounted) return;
+        // ignore: use_build_context_synchronously
+        showErrorSnackBar(context, 'Failed to save team: $e');
         return;
       }
 
@@ -604,8 +597,6 @@ class _TeamsScreenState extends ConsumerState<TeamsScreen> {
   }
 
   void _deleteTeam(BuildContext context, String teamId) async {
-    final messenger = ScaffoldMessenger.of(context);
-
     final confirmed = await showDialog<bool?>(
       context: context,
       builder: (dialogContext) => AlertDialog(
@@ -630,6 +621,7 @@ class _TeamsScreenState extends ConsumerState<TeamsScreen> {
 
     if (confirmed != true) return;
 
+    final ctx = context; // capture before async gaps
     try {
       final delMembersRes = await ref
           .read(supabaseClientProvider)
@@ -650,9 +642,9 @@ class _TeamsScreenState extends ConsumerState<TeamsScreen> {
       ref.invalidate(teamsProvider);
       ref.invalidate(teamMembersProvider);
     } catch (e) {
-      messenger.showSnackBar(
-        SnackBar(content: Text('Failed to delete team: $e')),
-      );
+      if (!mounted) return;
+      // ignore: use_build_context_synchronously
+      showErrorSnackBar(ctx, 'Failed to delete team: $e');
       return;
     }
   }