Offline Support

lib/screens/announcements/announcement_comments_section.dart

@@ -57,9 +57,12 @@ class _AnnouncementCommentsSectionState
       }
     } catch (e) {
       if (mounted) {
-        ScaffoldMessenger.of(context).showSnackBar(
-          SnackBar(content: Text('Failed to post comment: $e')),
-        );
+        if (isOfflineSaveError(e)) {
+          _controller.clear();
+          showSuccessSnackBar(context, 'Comment saved offline — will sync when connected.');
+        } else {
+          showErrorSnackBar(context, 'Failed to post comment: $e');
+        }
       }
     } finally {
       if (mounted) setState(() => _sending = false);