feat: работа с текстом

lib/backend/modules/chats.dart

@@ -307,18 +307,22 @@ class ChatSearchHit {
 class ChatMemberEntry {
   final int id;
   final String? name;
+  final String? fullName;
   final String? avatarUrl;
   final int? seenTime;
   final int presenceStatus;
   final bool blocked;
+  final bool isContact;
 
   const ChatMemberEntry({
     required this.id,
     this.name,
+    this.fullName,
     this.avatarUrl,
     this.seenTime,
     required this.presenceStatus,
     this.blocked = false,
+    this.isContact = false,
   });
 
   bool get isOnline => presenceStatus == 1;
@@ -1865,10 +1869,12 @@ class ChatsModule {
             ChatMemberEntry(
               id: id,
               name: name,
+              fullName: info.fullName,
               avatarUrl: avatar,
               seenTime: seen,
               presenceStatus: status,
               blocked: info.isDeleted,
+              isContact: info.isSavedContact,
             ),
           );
         }

lib/backend/modules/contacts.dart

@@ -94,12 +94,21 @@ class AddContactResult {
 class ContactsModule {
   static final ValueNotifier<int> revision = ValueNotifier<int>(0);
 
-  static Future<PhoneLookupResult?> findByPhone(Api api, String phone) async {
+  static Future<PhoneLookupResult?> findByPhone(
+    Api api,
+    String phone, {
+    bool silent = false,
+  }) async {
     final normalized = _normalizePhone(phone);
     if (normalized == null) return null;
-    final packet = await api.sendRequest(Opcode.contactInfoByPhone, {
-      'phone': normalized,
-    });
+    final Packet packet;
+    try {
+      packet = await api.sendRequest(Opcode.contactInfoByPhone, {
+        'phone': normalized,
+      }, silent: silent);
+    } on PacketError {
+      return null;
+    }
     if (packet.isError) return null;
     final contact = (packet.payload as Map?)?['contact'];
     if (contact is! Map) return null;

lib/backend/modules/links.dart

@@ -31,7 +31,9 @@ abstract class LinkModule {
   static Future<ResolvedLink?> resolve(Api api, String url) async {
     final Packet response;
     try {
-      response = await api.sendRequest(Opcode.linkInfo, {'link': url});
+      response = await api.sendRequest(Opcode.linkInfo, {
+        'link': url,
+      }, silent: true);
     } on TimeoutException {
       return const ResolvedLinkError('Превышено время ожидания');
     } on PacketError catch (e) {