Добавил отправку файлов ! ! !

lib/widgets/message_preview_dialog.dart

@@ -173,6 +173,16 @@ class ControlMessageChip extends StatelessWidget {
         }
         return '$senderName присоединился(ась) к группе';
 
+      case 'pin':
+        final pinnedMessage = controlAttach['pinnedMessage'];
+        if (pinnedMessage != null && pinnedMessage is Map<String, dynamic>) {
+          final pinnedText = pinnedMessage['text'] as String?;
+          if (pinnedText != null && pinnedText.isNotEmpty) {
+            return '$senderDisplayName закрепил(а) сообщение: "$pinnedText"';
+          }
+        }
+        return '$senderDisplayName закрепил(а) сообщение';
+
       default:
         final eventTypeStr = eventType?.toString() ?? 'неизвестное';
         return 'Событие: $eventTypeStr';

lib/widgets/pinned_message_widget.dart

@@ -0,0 +1,98 @@
+import 'package:flutter/material.dart';
+import 'package:gwid/models/message.dart';
+import 'package:gwid/models/contact.dart';
+
+class PinnedMessageWidget extends StatelessWidget {
+  final Message pinnedMessage;
+  final Map<int, Contact> contacts;
+  final int myId;
+  final VoidCallback? onTap;
+  final VoidCallback? onClose;
+
+  const PinnedMessageWidget({
+    super.key,
+    required this.pinnedMessage,
+    required this.contacts,
+    required this.myId,
+    this.onTap,
+    this.onClose,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    final colors = Theme.of(context).colorScheme;
+    final senderName =
+        contacts[pinnedMessage.senderId]?.name ??
+        (pinnedMessage.senderId == myId ? 'Вы' : 'Неизвестный');
+
+    return Container(
+      margin: const EdgeInsets.only(left: 8, right: 8, top: 4, bottom: 0),
+      padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 10),
+      decoration: BoxDecoration(
+        color: colors.surface.withOpacity(0.6),
+        border: Border(
+          bottom: BorderSide(color: colors.outline.withOpacity(0.2), width: 1),
+        ),
+      ),
+      child: Row(
+        children: [
+          Icon(
+            Icons.push_pin,
+            size: 14,
+            color: colors.primary.withOpacity(0.7),
+          ),
+          const SizedBox(width: 10),
+          Expanded(
+            child: Column(
+              crossAxisAlignment: CrossAxisAlignment.start,
+              mainAxisSize: MainAxisSize.min,
+              children: [
+                RichText(
+                  text: TextSpan(
+                    children: [
+                      TextSpan(
+                        text: '$senderName: ',
+                        style: TextStyle(
+                          fontSize: 13,
+                          fontWeight: FontWeight.w500,
+                          color: colors.onSurface.withOpacity(0.7),
+                        ),
+                      ),
+                      TextSpan(
+                        text: pinnedMessage.text.isNotEmpty
+                            ? pinnedMessage.text
+                            : 'Вложение',
+                        style: TextStyle(
+                          fontSize: 13,
+                          color: colors.onSurface.withOpacity(0.9),
+                        ),
+                      ),
+                    ],
+                  ),
+                  maxLines: 1,
+                  overflow: TextOverflow.ellipsis,
+                ),
+              ],
+            ),
+          ),
+          if (onClose != null)
+            Material(
+              color: Colors.transparent,
+              child: InkWell(
+                onTap: onClose,
+                borderRadius: BorderRadius.circular(16),
+                child: Padding(
+                  padding: const EdgeInsets.all(4),
+                  child: Icon(
+                    Icons.close,
+                    size: 16,
+                    color: colors.onSurface.withOpacity(0.5),
+                  ),
+                ),
+              ),
+            ),
+        ],
+      ),
+    );
+  }
+}