UI: улучшить превью и файлы вложений

shine-UI/js/pages/channels-list.js

@@ -1,6 +1,7 @@
 import { channels as mockChannels } from '../mock-data.js';
 import { authService, setChannelsFeed, state } from '../state.js';
 import { toUserMessage } from '../services/ui-error-texts.js';
+import { parseMessageAttachments } from '../services/attachment-format.js';
 import {
   animatePress,
   createSkeletonCard,
@@ -20,6 +21,11 @@ const MENU_OVERLAY_ID = 'channels-context-menu-overlay';
 const CHANNEL_TYPE_STORIES = 0;
 const CHANNEL_TYPE_PERSONAL = 100;
 
+function cleanChannelMessagePreview(text) {
+  const parsed = parseMessageAttachments(text);
+  return String(parsed.text || '').trim() || (parsed.attachments.length ? 'Вложение' : 'Ждем ваших начинаний');
+}
+
 function isChannelsDemoMode() {
   try {
     const qs = new URLSearchParams(window.location.search);
@@ -610,7 +616,7 @@ function mapMockGroups() {
       ownerBlockchainName: String(channel.ownerName || ''),
       channelName: String(channel.channelName || channel.title || channel.id),
     }),
-    messagePreview: channel.lastMessage || 'Ждем ваших начинаний',
+    messagePreview: cleanChannelMessagePreview(channel.lastMessage),
     isSubscribed: channel.kind !== 'own' && channel.kind !== 'own-personal',
     isOwnChannel: channel.kind === 'own' || channel.kind === 'own-personal',
     notificationsEnabled: false,
@@ -665,7 +671,7 @@ function mapApiChannelRow(summary, bucketKey, idx, index, notificationsState) {
     channelDescription,
     channelTypeCode,
     channelTypeVersion,
-    messagePreview: summary?.lastMessage?.text || 'Ждем ваших начинаний',
+    messagePreview: cleanChannelMessagePreview(summary?.lastMessage?.text),
     messagesCount: Number(summary?.messagesCount || 0),
     unreadCount: Number(summary?.unreadCount || 0),
     lastMessageAt: Number(summary?.lastMessage?.createdAtMs || 0),