Optimise error message

Author: tonypioneer

example/lib/home.dart

@@ -391,6 +391,29 @@ class HomeState extends State<Home> with SingleTickerProviderStateMixin {
                           ),
                         );
                       }
+                    } on RecipientNotReadyException catch (e) {
+                      debugPrint('Recipient not ready: $e');
+                      if (context.mounted) {
+                        showDialog(
+                          context: context,
+                          builder: (ctx) => AlertDialog(
+                            title: const Text('Recipient Not Ready'),
+                            content: Text(
+                              'Could not send notification to $recipient.\n\n'
+                              'The recipient may need to log in and update '
+                              'their app setup in their Pod before you can '
+                              'send notifications to them.\n\n'
+                              'Details: $e',
+                            ),
+                            actions: [
+                              ElevatedButton(
+                                onPressed: () => Navigator.pop(ctx),
+                                child: const Text('OK'),
+                              ),
+                            ],
+                          ),
+                        );
+                      }
                     } on Exception catch (e) {
                       debugPrint('Failed to send notification: $e');
                       if (context.mounted) {

lib/src/widgets/grant_permission_form.dart

@@ -404,6 +404,8 @@ class _GrantPermissionFormState extends State<GrantPermissionForm> {
 
                     final permissions = selectedPermList.join(', ');
 
+                    final notificationFailures = <String>[];
+
                     for (final recipientWebId in finalWebIdList) {
                       try {
                         await sendNotification(
@@ -418,13 +420,32 @@ class _GrantPermissionFormState extends State<GrantPermissionForm> {
                           }),
                           priority: 1,
                         );
+                      } on RecipientNotReadyException catch (e) {
+                        debugPrint(
+                          '[GrantPermissionForm] '
+                          'Recipient not ready for $recipientWebId: $e',
+                        );
+                        notificationFailures.add(
+                          recipientWebId as String,
+                        );
                       } on Object catch (e) {
                         debugPrint(
                           '[GrantPermissionForm] '
                           'Failed to send notification to $recipientWebId: $e',
                         );
                       }
                     }
+
+                    if (notificationFailures.isNotEmpty) {
+                      final names = notificationFailures.join(', ');
+                      _showSnackBar(
+                        'Permission granted, but could not notify: $names. '
+                        'The recipient(s) may need to log in and update '
+                        'their app setup in their Pod first.',
+                        ActionColors.warning,
+                        duration: const Duration(seconds: 8),
+                      );
+                    }
                   }
 
                   // Update permissions table