Почти плавный скрол чата

.gitignore

@@ -87,3 +87,13 @@ postgres_data/
 tmp/
 
 *.txt
+
+# Android / Kotlin Mobile
+client-mobile/.gradle/
+client-mobile/.idea/
+client-mobile/.run/
+client-mobile/build/
+client-mobile/.cxx/
+client-mobile/local.properties
+client-mobile/*.iml
+client-mobile/.kotlin/

backend/src/Contracts/Messaging/Application/Abstractions/IMessageRepository.cs

@@ -13,7 +13,6 @@ public interface IMessageRepository
 
     Task<List<Message>> GetChatMessagesCursorAsync(Guid chatId, DateTime? cursor, long? sequenceId, int limit, CancellationToken cancellationToken);
     Task<List<Message>> GetChatMessagesAroundAsync(Guid chatId, long sequenceId, int limit, CancellationToken cancellationToken);
-    Task<List<Message>> GetChatMessagesAfterAsync(Guid chatId, long sequenceId, int limit, CancellationToken cancellationToken);
     Task<Message?> GetLastStoryMessageAsync(Guid chatId, Guid storyId, CancellationToken cancellationToken);
 
     Task UpdateAsync(Message message, CancellationToken cancellationToken);

backend/src/Contracts/Messaging/Domain/Message.cs

@@ -23,9 +23,6 @@ public abstract class Message : AggregateRoot<Guid>
     protected List<DeletedMessage> _deletedFor = new();
     public IReadOnlyCollection<DeletedMessage> DeletedFor => _deletedFor.AsReadOnly();
 
-    protected List<Guid> _readByUsers = new();
-    public IReadOnlyCollection<Guid> ReadByUsers => _readByUsers.AsReadOnly();
-
     protected Message() : base(Guid.Empty) { }
 
     protected Message(Guid id, Guid chatId, Guid senderId, Guid? replyToId, Guid? forwardedFromId, DateTime createdAt, bool isImported) 
@@ -56,14 +53,4 @@ public abstract class Message : AggregateRoot<Guid>
         if (!_deletedFor.Exists(x => x.UserId == userId)) 
             _deletedFor.Add(new DeletedMessage(Id, userId)); 
     }
-
-    public void MarkAsRead(Guid userId)
-    {
-        if (!_readByUsers.Contains(userId))
-        {
-            _readByUsers.Add(userId);
-        }
-    }
-
-    public bool IsReadBy(Guid userId) => _readByUsers.Contains(userId);
 }

backend/src/Modules/Conversations/Application/Chats/LeaveOrDelete/LeaveOrDeleteChat.cs

@@ -1,15 +1,13 @@
 using System;
-using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
-using Knot.Contracts.Conversations.Application.Abstractions;
-using Knot.Contracts.Conversations.Domain;
-using Knot.Contracts.Messaging.Application.Abstractions;
-using Knot.Modules.Conversations.Infrastructure.SignalR;
 using Knot.Shared.Kernel;
-using Knot.Shared.Kernel.Storage;
+using Knot.Contracts.Conversations.Domain;
+using Knot.Contracts.Conversations.Application.Abstractions;
 using MediatR;
-using Microsoft.AspNetCore.SignalR;
+using System.Linq;
+using Knot.Contracts.Messaging.Application.Abstractions;
+using Knot.Shared.Kernel.Storage;
 
 namespace Knot.Modules.Conversations.Application.Chats.LeaveOrDelete;
 
@@ -21,21 +19,17 @@ internal sealed class LeaveOrDeleteChatCommandHandler : ICommandHandler<LeaveOrD
     private readonly IMessageRepository _messageRepository;
     private readonly IFileStorageService _fileStorage;
     private readonly IChatsUnitOfWork _uow;
-    private readonly IHubContext<ChatHub> _hubContext;
 
     public LeaveOrDeleteChatCommandHandler(
         IChatRepository chatRepository, 
-
         IMessageRepository messageRepository,
         IFileStorageService fileStorage,
-        IChatsUnitOfWork uow,
+        IChatsUnitOfWork uow)
-        IHubContext<ChatHub> hubContext)
     {
         _chatRepository = chatRepository;
         _messageRepository = messageRepository;
         _fileStorage = fileStorage;
         _uow = uow;
-        _hubContext = hubContext;
     }
 
     public async Task<Result<SuccessResponse>> Handle(LeaveOrDeleteChatCommand request, CancellationToken cancellationToken)
@@ -64,14 +58,6 @@ internal sealed class LeaveOrDeleteChatCommandHandler : ICommandHandler<LeaveOrD
             // DELETE ALL MESSAGES AND FILES FIRST
             await DeleteChatMediaAndMessagesAsync(chat.Id, cancellationToken);
             _chatRepository.Remove(chat);
-
-            // Notify all remaining members that the chat was deleted
-
-            foreach (var member in chat.Members)
-            {
-                await _hubContext.Clients.User(member.UserId.ToString())
-                    .SendAsync("chat_deleted", chat.Id.ToString(), cancellationToken);
-            }
         }
 
         await _uow.SaveChangesAsync(cancellationToken);
@@ -82,7 +68,6 @@ internal sealed class LeaveOrDeleteChatCommandHandler : ICommandHandler<LeaveOrD
     private async Task DeleteChatMediaAndMessagesAsync(Guid chatId, CancellationToken ct)
     {
         try 
-
         {
             // Get all messages directly from Mongo (not paged)
             var messages = await _messageRepository.GetChatMessagesAsync(chatId, int.MaxValue, 0, ct);

backend/src/Modules/Conversations/Application/Messages/GetMessages/GetMessagesQuery.cs

@@ -13,7 +13,7 @@ using MediatR;
 
 namespace Knot.Modules.Conversations.Application.Messages.GetMessages;
 
-public record GetMessagesQuery(Guid UserId, Guid ChatId, string? Cursor, long? Pivot = null, long? AfterSequenceId = null, int? Limit = null) : IQuery<List<MessageDetailDto>>;
+public record GetMessagesQuery(Guid UserId, Guid ChatId, string? Cursor, long? Pivot = null, int? Limit = null) : IQuery<List<MessageDetailDto>>;
 
 internal sealed class GetMessagesQueryHandler : IQueryHandler<GetMessagesQuery, List<MessageDetailDto>>
 {
@@ -41,12 +41,7 @@ internal sealed class GetMessagesQueryHandler : IQueryHandler<GetMessagesQuery,
         List<Message> messages;
         int queryLimit = request.Limit ?? ChatConstants.DefaultMessageQueryLimit;
 
-        if (request.AfterSequenceId.HasValue)
+        if (request.Pivot.HasValue)
-        {
-            // Получаем только сообщения ПОСЛЕ указанного sequenceId (для синхронизации)
-            messages = await _messageRepository.GetChatMessagesAfterAsync(request.ChatId, request.AfterSequenceId.Value, queryLimit, cancellationToken);
-        }
-        else if (request.Pivot.HasValue)
         {
             messages = await _messageRepository.GetChatMessagesAroundAsync(request.ChatId, request.Pivot.Value, queryLimit, cancellationToken);
         }
@@ -159,7 +154,7 @@ internal sealed class GetMessagesQueryHandler : IQueryHandler<GetMessagesQuery,
                 (message as StoryMessage)?.StoryMediaType,
                 (message as MediaMessage)?.Media.Select(m => new MediaDto(m.Id, m.Type, m.Url, m.Filename, m.Size, m.Duration)).ToList() ?? new List<MediaDto>(),
                 sender != null ? new MessageSenderDto(sender.Id, sender.Username, sender.DisplayName, sender.Avatar) : new MessageSenderDto(message.SenderId, "unknown", "Unknown", null),
-                message.ReadByUsers.Select(id => new ReadByDto(id)).ToList(),
+                new List<ReadByDto>(), // ReadBy not implemented in this detailed view yet
                 reactions?.Select(r =>
                 {
                     senders.TryGetValue(r.UserId, out var ru);

backend/src/Modules/Conversations/Application/Messages/Read/ReadMessagesCommandHandler.cs

@@ -1,8 +1,7 @@
-using Knot.Contracts.Conversations.Application.Abstractions;
-using Knot.Contracts.Conversations.Domain;
-using Knot.Contracts.Messaging.Application.Abstractions;
-using Knot.Shared.Kernel;
 using MediatR;
+using Knot.Contracts.Conversations.Domain;
+using Knot.Shared.Kernel;
+using Knot.Contracts.Conversations.Application.Abstractions;
 
 namespace Knot.Modules.Conversations.Application.Messages.Read;
 
@@ -12,13 +11,11 @@ public sealed class ReadMessagesCommandHandler : ICommandHandler<ReadMessagesCom
 {
     private readonly IChatRepository _chatRepository;
     private readonly IChatsUnitOfWork _unitOfWork;
-    private readonly IMessageRepository _messageRepository;
 
-    public ReadMessagesCommandHandler(IChatRepository chatRepository, IChatsUnitOfWork unitOfWork, IMessageRepository messageRepository)
+    public ReadMessagesCommandHandler(IChatRepository chatRepository, IChatsUnitOfWork unitOfWork)
     {
         _chatRepository = chatRepository;
         _unitOfWork = unitOfWork;
-        _messageRepository = messageRepository;
     }
 
     public async Task<Result> Handle(ReadMessagesCommand request, CancellationToken cancellationToken)
@@ -31,23 +28,6 @@ public sealed class ReadMessagesCommandHandler : ICommandHandler<ReadMessagesCom
 
         member.UpdateReadCursor(request.LastReadMessageId, request.LastReadSequenceId);
 
-        // Обновляем ReadByUsers для всех сообщений до LastReadSequenceId
-        var messages = await _messageRepository.GetChatMessagesAfterAsync(
-            request.ChatId,
-            0,
-            1000,
-            cancellationToken);
-
-        foreach (var message in messages)
-        {
-            if (message.SequenceId <= request.LastReadSequenceId &&
-                message.SenderId != request.UserId &&
-                !message.IsReadBy(request.UserId))
-            {
-                message.MarkAsRead(request.UserId);
-            }
-        }
-
         await _unitOfWork.SaveChangesAsync(cancellationToken);
 
         return Result.Success();

backend/src/Modules/Conversations/Application/Messages/SearchMessages/SearchMessagesQuery.cs

@@ -3,10 +3,10 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
-using Knot.Contracts.Conversations.Domain;
 using Knot.Contracts.Messaging.Application.Abstractions;
 using Knot.Contracts.Messaging.Domain;
 using Knot.Modules.Conversations.Application.DTOs;
+using Knot.Contracts.Conversations.Domain;
 using Knot.Shared.Kernel;
 using MediatR;
 
@@ -41,8 +41,7 @@ internal sealed class SearchMessagesQueryHandler : IQueryHandler<SearchMessagesQ
         var allReactions = await _reactionRepository.GetReactionsForMessagesAsync(messageIds, cancellationToken);
         var reactionsByMessage = allReactions.GroupBy(r => r.MessageId).ToDictionary(g => g.Key, g => g.ToList());
 
-        var result = messages.Select(message =>
+        var result = messages.Select(message => {
-        {
             var textMessage = message as TextMessage;
             var mediaMessage = message as MediaMessage;
             var storyMessage = message as StoryMessage;
@@ -67,7 +66,7 @@ internal sealed class SearchMessagesQueryHandler : IQueryHandler<SearchMessagesQ
                 mediaMessage?.Media.Select(media => new MediaDto(media.Id, media.Type, media.Url, media.Filename, media.Size)).ToList() ?? new List<MediaDto>(),
                 senders.TryGetValue(message.SenderId, out var senderUser) ? new MessageSenderDto(senderUser.Id, senderUser.Username, senderUser.DisplayName, senderUser.Avatar) : new MessageSenderDto(message.SenderId, "unknown", "Unknown", null),
                 reactionsByMessage.TryGetValue(message.Id, out var mr) ? mr.Select(reaction => new SimpleReactionDto(reaction.UserId, reaction.Emoji)).ToList() : new List<SimpleReactionDto>(),
-                message.ReadByUsers.Select(id => new ReadByDto(id)).ToList()
+                new List<ReadByDto>()
             );
         }).ToList();
 

backend/src/Modules/Conversations/Application/Messages/Send/SendMessageCommandHandler.cs

@@ -1,8 +1,8 @@
-using Knot.Contracts.Conversations.Application.Abstractions;
-using Knot.Contracts.Conversations.Domain;
 using Knot.Contracts.Messaging.Application.Abstractions;
 using Knot.Contracts.Messaging.Domain;
 using Knot.Contracts.Settings.Application.Abstractions;
+using Knot.Contracts.Conversations.Application.Abstractions;
+using Knot.Contracts.Conversations.Domain;
 using Knot.Shared.Kernel;
 
 namespace Knot.Modules.Conversations.Application.Messages.Send;
@@ -192,7 +192,6 @@ public sealed class SendMessageCommandHandler : ICommandHandler<SendMessageComma
         var senderMember = chat.Members.First(m => m.UserId == request.SenderId);
         senderMember.UpdateReadCursor(message.Id, message.SequenceId);
         senderMember.UpdateDeliveredCursor(message.Id);
-        message.MarkAsRead(request.SenderId); // Отправитель всегда "прочитал" своё сообщение
 
         // 5. ���������
         _messageRepository.Add(message);

backend/src/Modules/Conversations/Infrastructure/SignalR/ChatHub.cs

@@ -1,26 +1,26 @@
 using System.Collections.Concurrent;
 using System.Security.Claims;
-using Knot.Contracts.Auth.Application.Abstractions;
-using Knot.Contracts.Auth.Domain;
-using Knot.Contracts.Conversations.Application.Abstractions;
-using Knot.Contracts.Conversations.Domain;
-using Knot.Contracts.Messaging.Application.Abstractions;
-using Knot.Contracts.Messaging.Domain;
-using Knot.Modules.Conversations.Application.DTOs;
-using Knot.Modules.Conversations.Application.Messages.Delete;
-using Knot.Modules.Conversations.Application.Messages.Edit;
-using Knot.Modules.Conversations.Application.Messages.Pin;
-using Knot.Modules.Conversations.Application.Messages.React;
-using Knot.Modules.Conversations.Application.Messages.Read;
-using Knot.Modules.Conversations.Application.Messages.Send;
-using Knot.Modules.Conversations.Application.Messages.Unpin;
-using Knot.Modules.Conversations.Application.Messages.Vote;
-using Knot.Shared.Kernel;
 using MediatR;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.SignalR;
-using Microsoft.Extensions.Caching.Memory;
 using Microsoft.Extensions.Logging;
+using Knot.Modules.Conversations.Application.Messages.Send;
+using Knot.Modules.Conversations.Application.Messages.Read;
+using Knot.Modules.Conversations.Application.Messages.Delete;
+using Knot.Modules.Conversations.Application.Messages.React;
+using Knot.Contracts.Conversations.Domain;
+using Knot.Shared.Kernel;
+using Microsoft.Extensions.Caching.Memory;
+using Knot.Contracts.Auth.Domain;
+using Knot.Contracts.Auth.Application.Abstractions;
+using Knot.Modules.Conversations.Application.Messages.Pin;
+using Knot.Modules.Conversations.Application.Messages.Unpin;
+using Knot.Modules.Conversations.Application.Messages.Vote;
+using Knot.Modules.Conversations.Application.Messages.Edit;
+using Knot.Modules.Conversations.Application.DTOs;
+using Knot.Contracts.Messaging.Application.Abstractions;
+using Knot.Contracts.Messaging.Domain;
+using Knot.Contracts.Conversations.Application.Abstractions;
 
 namespace Knot.Modules.Conversations.Infrastructure.SignalR;
 
@@ -158,7 +158,6 @@ public sealed class ChatHub : Hub
             await _sender.Send(command);
         }
 
-        // Отправляем событие всем в чате о том, что пользователь прочитал сообщения
         await Clients.Group(request.ChatId.ToString()).SendAsync("messages_read", new
         {
             ChatId = request.ChatId.ToString(),
@@ -351,8 +350,8 @@ public sealed class ChatHub : Hub
     {
         if (string.IsNullOrEmpty(targetUserId))
         {
-            _logger.LogWarning("SendToUserAsync called with null or empty targetUserId");
+             _logger.LogWarning("SendToUserAsync called with null or empty targetUserId");
-            return;
+             return;
         }
 
         if (_userConnections.TryGetValue(targetUserId, out var connectionIds))
@@ -402,12 +401,12 @@ public sealed class ChatHub : Hub
         
         if (!chatId.HasValue)
         {
-            var userChats = await _chatRepository.GetUserChatsAsync(_userContext.UserId, Context.ConnectionAborted);
+             var userChats = await _chatRepository.GetUserChatsAsync(_userContext.UserId, Context.ConnectionAborted);
-            if (Guid.TryParse(request.TargetUserId, out var targetId))
+             if (Guid.TryParse(request.TargetUserId, out var targetId))
-            {
+             {
-                var personalChat = userChats.FirstOrDefault(c => c.Type == ChatType.Personal && c.Members.Any(m => m.UserId == targetId));
+                 var personalChat = userChats.FirstOrDefault(c => c.Type == ChatType.Personal && c.Members.Any(m => m.UserId == targetId));
-                if (personalChat != null) chatId = personalChat.Id;
+                 if (personalChat != null) chatId = personalChat.Id;
-            }
+             }
         }
 
         var session = new CallSession(chatId, _userContext.UserId, Guid.Parse(request.TargetUserId), request.CallType, DateTime.UtcNow);

backend/src/Modules/Conversations/Presentation/Endpoints/MessagesEndpoints.cs

@@ -19,17 +19,9 @@ public static class MessagesEndpoints
     {
         var group = app.MapGroup("api/messages").RequireAuthorization();
 
-        group.MapGet("chat/{chatId:guid}", async (
+        group.MapGet("chat/{chatId:guid}", async ([FromRoute] Guid chatId, [FromQuery] string? cursor, ISender sender, IUserContext userContext, CancellationToken ct) =>
-            [FromRoute] Guid chatId,
-            [FromQuery] string? cursor,
-            [FromQuery] long? afterSequenceId,
-            [FromQuery] long? pivot,
-            [FromQuery] int? limit,
-            ISender sender,
-            IUserContext userContext,
-            CancellationToken ct) =>
         {
-            var result = await sender.Send(new GetMessagesQuery(userContext.UserId, chatId, cursor, pivot, afterSequenceId, limit), ct);
+            var result = await sender.Send(new GetMessagesQuery(userContext.UserId, chatId, cursor), ct);
             return result.IsSuccess ? Results.Ok(result.Value) : Results.BadRequest(result.Error.Description);
         });
 

backend/src/Modules/Messaging/Domain/Message.cs

@@ -42,10 +42,6 @@ public abstract class Message : AggregateRoot<Guid>
     protected List<DeletedMessage> _deletedFor = new();
     public IReadOnlyCollection<DeletedMessage> DeletedFor => _deletedFor.AsReadOnly();
 
-    // ================== Прочитано ==================
-    protected List<Guid> _readByUsers = new();
-    public IReadOnlyCollection<Guid> ReadByUsers => _readByUsers.AsReadOnly();
-
     // ================== Инфраструктурный конструктор EF ==================
     protected Message() : base(Guid.Empty) { }
 
@@ -93,16 +89,6 @@ public abstract class Message : AggregateRoot<Guid>
             _deletedFor.Add(new DeletedMessage(Id, userId));
         }
     }
-
-    public void MarkAsRead(Guid userId)
-    {
-        if (!_readByUsers.Contains(userId))
-        {
-            _readByUsers.Add(userId);
-        }
-    }
-
-    public bool IsReadBy(Guid userId) => _readByUsers.Contains(userId);
 }
 
 

backend/src/Modules/Messaging/Infrastructure/Handlers/MessageSentDomainEventHandler.cs

@@ -84,7 +84,7 @@ public sealed class MessageSentDomainEventHandler : INotificationHandler<Message
                 size = m.Size
             }).ToList() ?? (object)Array.Empty<object>(),
             sender = senderObj,
-            readBy = message.ReadByUsers.Select(id => new { id }).ToList(),
+            readBy = new List<object>(),
             storyId = (message as StoryMessage)?.StoryId,
             storyMediaUrl = (message as StoryMessage)?.StoryMediaUrl,
             storyMediaType = (message as StoryMessage)?.StoryMediaType,

backend/src/Modules/Messaging/Infrastructure/Persistence/MessageRepository.cs

@@ -95,20 +95,6 @@ public sealed class MessageRepository : IMessageRepository
             .ToListAsync(cancellationToken);
     }
 
-    public async Task<List<Message>> GetChatMessagesAfterAsync(Guid chatId, long sequenceId, int limit, CancellationToken cancellationToken)
-    {
-        var builder = Builders<Message>.Filter;
-        var filter = builder.And(
-            builder.Eq(m => m.ChatId, chatId),
-            builder.Gt(m => m.SequenceId, sequenceId)
-        );
-
-        return await _messages.Find(filter)
-            .SortBy(m => m.SequenceId)
-            .Limit(limit)
-            .ToListAsync(cancellationToken);
-    }
-
     public async Task<List<Message>> GetChatMessagesAroundAsync(Guid chatId, long sequenceId, int limit, CancellationToken cancellationToken)
     {
         var builder = Builders<Message>.Filter;

client-mobile/app/build.gradle.kts

@@ -0,0 +1,135 @@
+plugins {
+    id("com.android.application")
+    id("org.jetbrains.kotlin.android")
+    id("com.google.dagger.hilt.android")
+    id("com.google.gms.google-services")
+    kotlin("kapt")
+}
+
+android {
+    namespace = "ru.knot.messager"
+    compileSdk = 34
+
+    defaultConfig {
+        applicationId = "ru.knot.messager"
+        minSdk = 26
+        targetSdk = 34
+        versionCode = 1
+        versionName = "1.0.0"
+
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+        vectorDrawables {
+            useSupportLibrary = true
+        }
+    }
+
+    buildTypes {
+        release {
+            isMinifyEnabled = false
+            proguardFiles(getDefaultProguardFile("proguard-android-optimize.txt"), "proguard-rules.pro")
+        }
+    }
+    
+    // Подключаем все наши папки с кодом как sourceSets
+    sourceSets {
+        getByName("main") {
+            java.srcDirs(
+                "src/main/kotlin",
+                "../auth",
+                "../chats",
+                "../core",
+                "../calls",
+                "../stories",
+                "../contacts",
+                "../profiles",
+                "../settings",
+                "../navigation"
+            )
+        }
+    }
+
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_17
+        targetCompatibility = JavaVersion.VERSION_17
+    }
+    kotlinOptions {
+        jvmTarget = "17"
+    }
+    buildFeatures {
+        compose = true
+    }
+    composeOptions {
+        kotlinCompilerExtensionVersion = "1.5.8"
+    }
+    // Включаем оптимизации компилятора Compose
+    kotlinOptions {
+        jvmTarget = "17"
+    }
+    packaging {
+        resources {
+            excludes += "/META-INF/{AL2.0,LGPL2.1}"
+        }
+    }
+}
+
+dependencies {
+    // AndroidX & UI
+    implementation("androidx.core:core-ktx:1.12.0")
+    implementation("androidx.lifecycle:lifecycle-runtime-ktx:2.6.2")
+    implementation("androidx.activity:activity-compose:1.8.1")
+    implementation(platform("androidx.compose:compose-bom:2023.10.01"))
+    implementation("androidx.compose.ui:ui")
+    implementation("androidx.compose.ui:ui-graphics")
+    implementation("androidx.compose.ui:ui-tooling-preview")
+    implementation("androidx.compose.material3:material3")
+    implementation("com.google.android.material:material:1.11.0")
+    implementation("androidx.navigation:navigation-compose:2.7.5")
+    implementation("androidx.compose.material:material-icons-extended")
+
+    // Hilt
+    implementation("com.google.dagger:hilt-android:2.48")
+    kapt("com.google.dagger:hilt-android-compiler:2.48")
+    implementation("androidx.hilt:hilt-navigation-compose:1.1.0")
+
+    // Network & SignalR
+    implementation("com.squareup.retrofit2:retrofit:2.9.0")
+    implementation("com.squareup.retrofit2:converter-gson:2.9.0")
+    implementation("com.squareup.okhttp3:logging-interceptor:4.12.0")
+    implementation("com.microsoft.signalr:signalr:7.0.0")
+
+    // WebRTC
+    implementation("com.github.webrtc-sdk:android:104.5112.01")
+
+    // Media3 (ExoPlayer)
+    implementation("androidx.media3:media3-exoplayer:1.2.0")
+    implementation("androidx.media3:media3-ui:1.2.0")
+    implementation("androidx.media3:media3-common:1.2.0")
+
+    // Images & GIF
+    implementation("io.coil-kt:coil-compose:2.5.0")
+    implementation("io.coil-kt:coil-gif:2.5.0")
+    implementation("io.coil-kt:coil-svg:2.5.0")
+    implementation("io.coil-kt:coil-video:2.5.0")
+
+    // Security
+    implementation("androidx.security:security-crypto:1.1.0-alpha06")
+
+    // UCrop (Image Cropping)
+    implementation("com.github.yalantis:ucrop:2.2.8")
+
+    // Firebase (Push Notifications)
+    implementation(platform("com.google.firebase:firebase-bom:32.7.0"))
+    implementation("com.google.firebase:firebase-messaging-ktx")
+    implementation("com.google.firebase:firebase-analytics-ktx")
+
+    // Room
+    val room_version = "2.6.1"
+    implementation("androidx.room:room-runtime:$room_version")
+    implementation("androidx.room:room-ktx:$room_version")
+    kapt("androidx.room:room-compiler:$room_version")
+
+    // Testing
+    testImplementation("junit:junit:4.13.2")
+    androidTestImplementation("androidx.test.ext:junit:1.1.5")
+    androidTestImplementation("androidx.test.espresso:espresso-core:3.5.1")
+}

client-mobile/app/google-services.json

@@ -0,0 +1,29 @@
+{
+  "project_info": {
+    "project_number": "483917912506",
+    "project_id": "knot-bad1a",
+    "storage_bucket": "knot-bad1a.firebasestorage.app"
+  },
+  "client": [
+    {
+      "client_info": {
+        "mobilesdk_app_id": "1:483917912506:android:cd39213364869ef9e82583",
+        "android_client_info": {
+          "package_name": "ru.knot.messager"
+        }
+      },
+      "oauth_client": [],
+      "api_key": [
+        {
+          "current_key": "AIzaSyBAL_bZJYaa7rGERLX63LeFXz-__JXRWQY"
+        }
+      ],
+      "services": {
+        "appinvite_service": {
+          "other_platform_oauth_client": []
+        }
+      }
+    }
+  ],
+  "configuration_version": "1"
+}

client-mobile/app/src/main/AndroidManifest.xml

@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="ru.knot.messager">
+
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.CAMERA" />
+    <uses-permission android:name="android.permission.RECORD_AUDIO" />
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
+
+    <application
+        android:name="com.knot.messenger.MainApplication"
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.KnotMessenger"
+        android:networkSecurityConfig="@xml/network_security_config"
+        android:usesCleartextTraffic="true">
+
+        <activity
+            android:name="com.knot.messenger.MainActivity"
+            android:exported="true"
+            android:launchMode="singleTop"
+            android:windowSoftInputMode="adjustResize"
+            android:theme="@style/Theme.KnotMessenger">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+
+        <service
+            android:name="core.notifications.data.KnotFirebaseMessagingService"
+            android:exported="false">
+            <intent-filter>
+                <action android:name="com.google.firebase.MESSAGING_EVENT" />
+            </intent-filter>
+        </service>
+
+    </application>
+</manifest>

client-mobile/app/src/main/kotlin/com/knot/messenger/MainActivity.kt

@@ -0,0 +1,58 @@
+package com.knot.messenger
+
+import android.os.Bundle
+import androidx.activity.ComponentActivity
+import androidx.activity.compose.setContent
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Surface
+import androidx.compose.ui.Modifier
+import dagger.hilt.android.AndroidEntryPoint
+import navigation.AppNavigation
+import core.presentation.theme.KnotTheme
+
+@AndroidEntryPoint
+class MainActivity : ComponentActivity() {
+    @javax.inject.Inject
+    lateinit var navigationManager: core.utils.NavigationManager
+
+    @javax.inject.Inject
+    lateinit var signalrNotificationObserver: chats.data.remote.signalr.SignalRNotificationObserver
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        
+        signalrNotificationObserver.start()
+
+        intent.getStringExtra("chatId")?.let { chatId ->
+            navigationManager.navigateToChat(chatId)
+        }
+        
+        // Request notifications permission for Android 13+
+        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.TIRAMISU) {
+            androidx.core.app.ActivityCompat.requestPermissions(
+                this,
+                arrayOf(android.Manifest.permission.POST_NOTIFICATIONS),
+                101
+            )
+        }
+
+        setContent {
+            KnotTheme {
+                Surface(
+                    modifier = Modifier.fillMaxSize(),
+                    color = MaterialTheme.colorScheme.background
+                ) {
+                    AppNavigation(navigationManager = navigationManager)
+                }
+            }
+        }
+    }
+
+    override fun onNewIntent(intent: android.content.Intent?) {
+        super.onNewIntent(intent)
+        intent?.getStringExtra("chatId")?.let { chatId ->
+            navigationManager.navigateToChat(chatId)
+        }
+    }
+}

client-mobile/app/src/main/kotlin/com/knot/messenger/MainApplication.kt

@@ -0,0 +1,18 @@
+package com.knot.messenger
+
+import android.app.Application
+import coil.ImageLoader
+import coil.ImageLoaderFactory
+import coil.decode.VideoFrameDecoder
+import dagger.hilt.android.HiltAndroidApp
+
+@HiltAndroidApp
+class MainApplication : Application(), ImageLoaderFactory {
+    override fun newImageLoader(): ImageLoader {
+        return ImageLoader.Builder(this)
+            .components {
+                add(VideoFrameDecoder.Factory())
+            }
+            .build()
+    }
+}

client-mobile/app/src/main/res/drawable/ic_notification.xml

@@ -0,0 +1,13 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <!-- Цветная иконка для notification -->
+    <path
+        android:fillColor="#6C5CE7"
+        android:pathData="M12,2C6.48,2 2,6.48 2,12s4.48,10 10,10 10,-4.48 10,-10S17.52,2 12,2z"/>
+    <path
+        android:fillColor="#FFFFFF"
+        android:pathData="M12,6c-3.31,0 -6,2.69 -6,6s2.69,6 6,6 6,-2.69 6,-6 -2.69,-6 -6,-6zM12,16c-2.21,0 -4,-1.79 -4,-4s1.79,-4 4,-4 4,1.79 4,4 -1.79,4 -4,4z"/>
+</vector>

client-mobile/app/src/main/res/values-en/strings.xml

@@ -0,0 +1,63 @@
+<resources>
+    <string name="app_name">Knot</string>
+    <string name="login">Login</string>
+    <string name="register">Register</string>
+    <string name="username">Username</string>
+    <string name="password">Password</string>
+    <string name="display_name">Display Name</string>
+    <string name="settings">Settings</string>
+    <string name="save">Save</string>
+    <string name="back">Back</string>
+    <string name="server_connection">Server Connection</string>
+    <string name="api_base_url">API Base URL</string>
+    <string name="server_features">Server Features</string>
+    <string name="stories">Stories</string>
+    <string name="polls">Polls</string>
+    <string name="calls">Calls</string>
+    <string name="groups">Groups</string>
+    <string name="enabled">Enabled</string>
+    <string name="disabled">Disabled</string>
+    <string name="limits">Limits</string>
+    <string name="max_file_size">Max File Size</string>
+    <string name="max_group_members">Max Group Members</string>
+    <string name="message">Message</string>
+    <string name="call">Call</string>
+    <string name="block">Block</string>
+    <string name="profile">Profile</string>
+    <string name="confirm_password">Confirm Password</string>
+    <string name="passwords_not_match">Passwords do not match</string>
+    <string name="no_account_register">Don\'t have an account? Register</string>
+    <string name="already_have_account">Already have an account? Login</string>
+    <string name="error_occurred">An error occurred</string>
+    <string name="loading">Loading...</string>
+    <string name="chats_title">Chats</string>
+    <string name="contacts_title">Contacts</string>
+    <string name="stories_title">Stories</string>
+    <string name="create_story">Create Story</string>
+    <string name="send_message_hint">Type a message...</string>
+    <string name="reply_to_user">Reply to %1$s...</string>
+    <string name="story_editor">STORY EDITOR</string>
+    <string name="publish">PUBLISH</string>
+    <string name="start_creation">START CREATION</string>
+    <string name="text_tool">TEXT</string>
+    <string name="crop_tool">CROP</string>
+    <string name="stickers_tool">STICKERS</string>
+    <string name="brush_tool">BRUSH</string>
+    <string name="filters_tool">FILTERS</string>
+    <string name="remove">Remove</string>
+    <string name="no_chats_found">No chats found</string>
+    <string name="typing">typing...</string>
+    <string name="video_call">Video Call</string>
+    <string name="emoji">Emoji</string>
+    <string name="attach">Attach</string>
+    <string name="message_placeholder">Message...</string>
+    <string name="voice_message">Voice Message</string>
+    <string name="send">Send</string>
+    <string name="reply_photo">Photo</string>
+    <string name="reply_video">Video</string>
+    <string name="reply_audio">Audio</string>
+    <string name="reply_file">File</string>
+    <string name="reply_gif">GIF</string>
+    <string name="reply_prefix">Reply to </string>
+    <string name="reply_self">yourself</string>
+</resources>

client-mobile/app/src/main/res/values/strings.xml

@@ -0,0 +1,85 @@
+<resources>
+    <string name="app_name">Knot</string>
+    <string name="login">Войти</string>
+    <string name="register">Регистрация</string>
+    <string name="username">Имя пользователя</string>
+    <string name="password">Пароль</string>
+    <string name="display_name">Отображаемое имя</string>
+    <string name="settings">Настройки</string>
+    <string name="save">Сохранить</string>
+    <string name="back">Назад</string>
+    <string name="server_connection">Подключение к серверу</string>
+    <string name="api_base_url">API Base URL</string>
+    <string name="server_features">Функции сервера</string>
+    <string name="stories">Истории</string>
+    <string name="polls">Опросы</string>
+    <string name="calls">Звонки</string>
+    <string name="groups">Группы</string>
+    <string name="enabled">Включено</string>
+    <string name="disabled">Отключено</string>
+    <string name="limits">Лимиты</string>
+    <string name="max_file_size">Макс. размер файла</string>
+    <string name="max_group_members">Макс. участников в группе</string>
+    <string name="message">Сообщение</string>
+    <string name="call">Позвонить</string>
+    <string name="block">Заблокировать</string>
+    <string name="profile">Профиль</string>
+    <string name="confirm_password">Подтвердите пароль</string>
+    <string name="passwords_not_match">Пароли не совпадают</string>
+    <string name="no_account_register">Нет аккаунта? Зарегистрироваться</string>
+    <string name="already_have_account">Уже есть аккаунт? Войти</string>
+    <string name="error_occurred">Произошла ошибка</string>
+    <string name="loading">Загрузка...</string>
+    <string name="chats_title">Чаты</string>
+    <string name="contacts_title">Контакты</string>
+    <string name="stories_title">Истории</string>
+    <string name="create_story">Создать историю</string>
+    <string name="send_message_hint">Напишите сообщение...</string>
+    <string name="reply_to_user">Ответить %1$s...</string>
+    <string name="story_editor">РЕДАКТОР ИСТОРИЙ</string>
+    <string name="publish">ОПУБЛИКОВАТЬ</string>
+    <string name="start_creation">НАЧАТЬ СОЗДАНИЕ</string>
+    <string name="text_tool">ТЕКСТ</string>
+    <string name="crop_tool">ОБРЕЗКА</string>
+    <string name="stickers_tool">СТИКЕРЫ</string>
+    <string name="brush_tool">КИСТЬ</string>
+    <string name="filters_tool">ФИЛЬТРЫ</string>
+    <string name="remove">Удалить</string>
+    <string name="no_chats_found">Чаты не найдены</string>
+    <string name="typing">печатает...</string>
+    <string name="video_call">Видеозвонок</string>
+    <string name="emoji">Эмодзи</string>
+    <string name="attach">Прикрепить</string>
+    <string name="message_placeholder">Сообщение...</string>
+    <string name="voice_message">Голосовое сообщение</string>
+    <string name="send">Отправить</string>
+    <string name="search_hint">Поиск...</string>
+    <string name="online">В сети</string>
+    <string name="last_seen">Был(а): %1$s</string>
+    <string name="last_seen_recently">недавно</string>
+    <string name="all">Все</string>
+    <string name="online_tab">Онлайн</string>
+    <string name="blocked">Заблокированные</string>
+    <string name="media">Медиа</string>
+    <string name="notifications">Уведомления</string>
+    <string name="mute">Без звука</string>
+    <string name="unmute">Включить звук</string>
+    <string name="log_out">Выйти из аккаунта</string>
+    <string name="bio">О себе</string>
+    <string name="edit_profile">Редактировать профиль</string>
+    <string name="username_label">Имя пользователя</string>
+    <string name="change_photo">Изменить фото</string>
+    <string name="cancel">Отмена</string>
+    <string name="crop">Обрезать</string>
+    <string name="chats">Чаты</string>
+    <string name="contacts_tab">Контакты</string>
+    <string name="profile_tab">Профиль</string>
+    <string name="saving">Сохранение...</string>
+    <string name="reply_photo">Фото</string>
+    <string name="reply_video">Видео</string>
+    <string name="reply_audio">Аудио</string>
+    <string name="reply_file">Файл</string>
+    <string name="reply_gif">GIF</string>
+    <string name="reply_prefix">Ответ </string>
+    <string name="reply_self">самому себе</string>
+</resources>

client-mobile/app/src/main/res/values/styles.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <style name="Theme.KnotMessenger" parent="Theme.Material3.DayNight.NoActionBar">
+        <item name="android:statusBarColor">#0F0F10</item>
+        <item name="android:windowBackground">#0F0F10</item>
+    </style>
+</resources>

client-mobile/app/src/main/res/xml/network_security_config.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<network-security-config>
+    <!-- Для отладки: доверяем пользовательским сертификатам -->
+    <debug-overrides>
+        <trust-anchors>
+            <certificates src="user" />
+            <certificates src="system" />
+        </trust-anchors>
+    </debug-overrides>
+    
+    <!-- Разрешаем cleartext (HTTP) трафик для локальных IP -->
+    <domain-config cleartextTrafficPermitted="true">
+        <domain includeSubdomains="true">localhost</domain>
+        <domain includeSubdomains="true">127.0.0.1</domain>
+        <domain includeSubdomains="true">10.0.0.0/8</domain>
+        <domain includeSubdomains="true">172.16.0.0/12</domain>
+        <domain includeSubdomains="true">192.168.0.0/16</domain>
+    </domain-config>
+</network-security-config>

client-mobile/auth/data/remote/api/AuthApi.kt

@@ -0,0 +1,29 @@
+package auth.data.remote.api
+
+import auth.data.remote.dto.AuthRequest
+import auth.data.remote.dto.AuthResponse
+import auth.data.remote.dto.RefreshTokenRequest
+import core.domain.model.ServerConfigModel
+import retrofit2.http.Body
+import retrofit2.http.GET
+import retrofit2.http.Headers
+import retrofit2.http.POST
+
+interface AuthApi {
+    @POST("auth/login")
+    suspend fun login(@Body request: AuthRequest): AuthResponse
+
+    @POST("auth/register")
+    suspend fun register(@Body request: AuthRequest): AuthResponse
+
+    @POST("auth/refresh")
+    suspend fun refreshToken(@Body request: RefreshTokenRequest): AuthResponse
+
+    @GET("config")
+    @Headers("Cache-Control: no-cache")
+    suspend fun getConfig(): ServerConfigModel
+
+    @POST("auth/push-token")
+    @Headers("Cache-Control: no-cache")
+    suspend fun updatePushToken(@Body token: String): Unit
+}

client-mobile/auth/data/remote/dto/AuthDtos.kt

@@ -0,0 +1,28 @@
+package auth.data.remote.dto
+
+import com.google.gson.annotations.SerializedName
+
+data class AuthRequest(
+    @SerializedName("userName") val userName: String,
+    @SerializedName("password") val password: String
+)
+
+data class AuthResponse(
+    @SerializedName("accessToken") val accessToken: String?,
+    @SerializedName("refreshToken") val refreshToken: String?,
+    @SerializedName("user") val user: UserDto?,
+    @SerializedName("userId") val userId: String?,
+    @SerializedName("username") val username: String?,
+    @SerializedName("displayName") val displayName: String?
+)
+
+data class UserDto(
+    @SerializedName("id") val id: String,
+    @SerializedName("userName") val userName: String,
+    @SerializedName("displayName") val displayName: String?,
+    @SerializedName("avatarUrl") val avatarUrl: String?
+)
+
+data class RefreshTokenRequest(
+    @SerializedName("refreshToken") val refreshToken: String
+)

client-mobile/auth/data/repository/AuthRepositoryImpl.kt

@@ -0,0 +1,131 @@
+package auth.data.repository
+
+import auth.data.remote.api.AuthApi
+import auth.data.remote.dto.AuthRequest
+import auth.data.remote.dto.RefreshTokenRequest
+import auth.domain.model.AuthResult
+import auth.domain.repository.AuthRepository
+import core.network.ServerConfig
+import core.security.TokenManager
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.asStateFlow
+import javax.inject.Inject
+
+class AuthRepositoryImpl @Inject constructor(
+    private val api: AuthApi,
+    private val tokenManager: TokenManager,
+    private val serverConfig: ServerConfig
+) : AuthRepository {
+
+    private val _isAuthenticated = kotlinx.coroutines.flow.MutableStateFlow(tokenManager.getToken() != null)
+
+    override suspend fun login(userName: String, password: String): Result<AuthResult> {
+        return try {
+            val response = api.login(AuthRequest(userName, password))
+            val token = response.accessToken ?: return Result.failure(Exception("Token is null"))
+            val userId = response.userId ?: ""
+            
+            tokenManager.saveToken(token, userId, response.refreshToken)
+            _isAuthenticated.value = true
+            fetchConfig()
+            Result.success(
+                AuthResult(
+                    token = token,
+                    refreshToken = response.refreshToken,
+                    userId = userId,
+                    userName = response.username ?: userName,
+                    displayName = response.displayName ?: response.username ?: userName,
+                    avatarUrl = null
+                )
+            )
+        } catch (e: Exception) {
+            Result.failure(e)
+        }
+    }
+
+    override suspend fun register(userName: String, password: String): Result<AuthResult> {
+        return try {
+            val response = api.register(AuthRequest(userName, password))
+            val token = response.accessToken ?: return Result.failure(Exception("Token is null"))
+            val userId = response.userId ?: ""
+
+            tokenManager.saveToken(token, userId, response.refreshToken)
+            _isAuthenticated.value = true
+            fetchConfig()
+            Result.success(
+                AuthResult(
+                    token = token,
+                    refreshToken = response.refreshToken,
+                    userId = userId,
+                    userName = response.username ?: userName,
+                    displayName = response.displayName ?: response.username ?: userName,
+                    avatarUrl = null
+                )
+            )
+        } catch (e: Exception) {
+            Result.failure(e)
+        }
+    }
+
+    override suspend fun logout() {
+        tokenManager.deleteToken()
+        _isAuthenticated.value = false
+    }
+
+    override fun isAuthenticated(): Boolean {
+        return _isAuthenticated.value
+    }
+
+    override fun isAuthenticatedFlow(): kotlinx.coroutines.flow.StateFlow<Boolean> {
+        return _isAuthenticated.asStateFlow()
+    }
+
+    override suspend fun fetchConfig(): Result<Unit> {
+        return try {
+            val config = api.getConfig()
+            serverConfig.saveServerConfig(config)
+            Result.success(Unit)
+        } catch (e: Exception) {
+            Result.failure(e)
+        }
+    }
+
+    override suspend fun updatePushToken(token: String) {
+        try {
+            api.updatePushToken(token)
+        } catch (e: Exception) {
+            // Silent fail
+        }
+    }
+
+    override suspend fun refreshToken(): Result<AuthResult> {
+        val currentRefreshToken = tokenManager.getRefreshToken()
+        if (currentRefreshToken == null) {
+            return Result.failure(Exception("Refresh token is null"))
+        }
+
+        return try {
+            val response = api.refreshToken(RefreshTokenRequest(currentRefreshToken))
+            val newAccessToken = response.accessToken ?: return Result.failure(Exception("New access token is null"))
+            val newRefreshToken = response.refreshToken
+            val userId = response.userId ?: ""
+
+            tokenManager.saveToken(newAccessToken, userId, newRefreshToken)
+            _isAuthenticated.value = true
+
+            Result.success(
+                AuthResult(
+                    token = newAccessToken,
+                    refreshToken = newRefreshToken,
+                    userId = userId,
+                    userName = response.username ?: "",
+                    displayName = response.displayName ?: "",
+                    avatarUrl = null
+                )
+            )
+        } catch (e: Exception) {
+            Result.failure(e)
+        }
+    }
+}

client-mobile/auth/di/AuthModule.kt

@@ -0,0 +1,34 @@
+package auth.di
+
+import auth.data.remote.api.AuthApi
+import auth.data.repository.AuthRepositoryImpl
+import auth.domain.repository.AuthRepository
+import core.network.ServerConfig
+import core.security.TokenManager
+import dagger.Module
+import dagger.Provides
+import dagger.hilt.InstallIn
+import dagger.hilt.components.SingletonComponent
+import retrofit2.Retrofit
+import javax.inject.Singleton
+
+@Module
+@InstallIn(SingletonComponent::class)
+object AuthModule {
+
+    @Provides
+    @Singleton
+    fun provideAuthApi(retrofit: Retrofit): AuthApi {
+        return retrofit.create(AuthApi::class.java)
+    }
+
+    @Provides
+    @Singleton
+    fun provideAuthRepository(
+        api: AuthApi,
+        tokenManager: TokenManager,
+        serverConfig: ServerConfig
+    ): AuthRepository {
+        return AuthRepositoryImpl(api, tokenManager, serverConfig)
+    }
+}

client-mobile/auth/domain/model/AuthModels.kt

@@ -0,0 +1,10 @@
+package auth.domain.model
+
+data class AuthResult(
+    val token: String,
+    val refreshToken: String?,
+    val userId: String,
+    val userName: String,
+    val displayName: String,
+    val avatarUrl: String?
+)

client-mobile/auth/domain/repository/AuthRepository.kt

@@ -0,0 +1,14 @@
+package auth.domain.repository
+
+import auth.domain.model.AuthResult
+
+interface AuthRepository {
+    suspend fun login(userName: String, password: String): Result<AuthResult>
+    suspend fun register(userName: String, password: String): Result<AuthResult>
+    suspend fun logout()
+    suspend fun fetchConfig(): Result<Unit>
+    fun isAuthenticated(): Boolean
+    fun isAuthenticatedFlow(): kotlinx.coroutines.flow.StateFlow<Boolean>
+    suspend fun updatePushToken(token: String)
+    suspend fun refreshToken(): Result<AuthResult>
+}

client-mobile/auth/presentation/AuthViewModel.kt

@@ -0,0 +1,94 @@
+package auth.presentation
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import auth.domain.repository.AuthRepository
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.asStateFlow
+import kotlinx.coroutines.flow.update
+import kotlinx.coroutines.launch
+import com.google.firebase.messaging.FirebaseMessaging
+import javax.inject.Inject
+
+data class AuthState(
+    val isLoading: Boolean = false,
+    val error: String? = null,
+    val isAuthenticated: Boolean = false
+)
+
+@HiltViewModel
+class AuthViewModel @Inject constructor(
+    private val repository: AuthRepository
+) : ViewModel() {
+
+    private val _state = MutableStateFlow(AuthState(isAuthenticated = repository.isAuthenticated()))
+    val state: StateFlow<AuthState> = _state.asStateFlow()
+
+    init {
+        viewModelScope.launch {
+            repository.isAuthenticatedFlow().collect { authenticated ->
+                _state.update { it.copy(isAuthenticated = authenticated) }
+                if (authenticated) {
+                    updatePushToken()
+                }
+            }
+        }
+    }
+
+    fun checkAuth() {
+        _state.update { it.copy(isAuthenticated = repository.isAuthenticated()) }
+    }
+
+    fun login(userName: String, password: String) {
+        viewModelScope.launch {
+            _state.update { it.copy(isLoading = true, error = null) }
+            repository.login(userName, password)
+                .onSuccess {
+                    _state.update { it.copy(isLoading = false, isAuthenticated = true) }
+                    updatePushToken()
+                }
+                .onFailure { e ->
+                    _state.update { it.copy(isLoading = false, error = e.message) }
+                }
+        }
+    }
+
+    fun register(userName: String, password: String) {
+        viewModelScope.launch {
+            _state.update { it.copy(isLoading = true, error = null) }
+            repository.register(userName, password)
+                .onSuccess {
+                    _state.update { it.copy(isLoading = false, isAuthenticated = true) }
+                    updatePushToken()
+                }
+                .onFailure { e ->
+                    _state.update { it.copy(isLoading = false, error = e.message) }
+                }
+        }
+    }
+
+    fun refreshToken() {
+        viewModelScope.launch {
+            repository.refreshToken()
+                .onSuccess {
+                    // Token refreshed successfully
+                }
+                .onFailure {
+                    // Refresh failed, will trigger logout via AuthInterceptor
+                }
+        }
+    }
+
+    private fun updatePushToken() {
+        FirebaseMessaging.getInstance().token.addOnCompleteListener { task ->
+            if (task.isSuccessful) {
+                val token = task.result
+                viewModelScope.launch {
+                    repository.updatePushToken(token)
+                }
+            }
+        }
+    }
+}

client-mobile/auth/presentation/LoginScreen.kt

@@ -0,0 +1,95 @@
+package auth.presentation
+
+import androidx.compose.foundation.layout.*
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Settings
+import androidx.compose.material3.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.input.PasswordVisualTransformation
+import androidx.compose.ui.unit.dp
+import ru.knot.messager.R
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun LoginScreen(
+    viewModel: AuthViewModel,
+    onNavigateToRegister: () -> Unit,
+    onNavigateToSettings: () -> Unit,
+    onLoginSuccess: () -> Unit
+) {
+    val state by viewModel.state.collectAsState()
+    var userName by remember { mutableStateOf("") }
+    var password by remember { mutableStateOf("") }
+
+    LaunchedEffect(state.isAuthenticated) {
+        if (state.isAuthenticated) {
+            onLoginSuccess()
+        }
+    }
+
+    Scaffold(
+        topBar = {
+            TopAppBar(
+                title = { Text(stringResource(R.string.login)) },
+                actions = {
+                    IconButton(onClick = onNavigateToSettings) {
+                        Icon(Icons.Default.Settings, contentDescription = stringResource(R.string.settings))
+                    }
+                }
+            )
+        }
+    ) { paddingValues ->
+        Column(
+            modifier = Modifier
+                .fillMaxSize()
+                .padding(paddingValues)
+                .padding(16.dp),
+            horizontalAlignment = Alignment.CenterHorizontally,
+            verticalArrangement = Arrangement.Center
+        ) {
+            OutlinedTextField(
+                value = userName,
+                onValueChange = { userName = it },
+                label = { Text(stringResource(R.string.username)) },
+                modifier = Modifier.fillMaxWidth(),
+                singleLine = true
+            )
+            Spacer(modifier = Modifier.height(8.dp))
+            OutlinedTextField(
+                value = password,
+                onValueChange = { password = it },
+                label = { Text(stringResource(R.string.password)) },
+                modifier = Modifier.fillMaxWidth(),
+                visualTransformation = PasswordVisualTransformation(),
+                singleLine = true
+            )
+            Spacer(modifier = Modifier.height(16.dp))
+            
+            if (state.isLoading) {
+                CircularProgressIndicator()
+            } else {
+                Button(
+                    onClick = { viewModel.login(userName, password) },
+                    modifier = Modifier.fillMaxWidth(),
+                    enabled = userName.isNotBlank() && password.isNotBlank()
+                ) {
+                    Text(stringResource(R.string.login))
+                }
+                TextButton(onClick = onNavigateToRegister) {
+                    Text(stringResource(R.string.no_account_register))
+                }
+            }
+
+            if (state.error != null) {
+                Text(
+                    text = state.error!!,
+                    color = MaterialTheme.colorScheme.error,
+                    modifier = Modifier.padding(top = 8.dp)
+                )
+            }
+        }
+    }
+}

client-mobile/auth/presentation/RegisterScreen.kt

@@ -0,0 +1,106 @@
+package auth.presentation
+
+import androidx.compose.foundation.layout.*
+import androidx.compose.material3.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.input.PasswordVisualTransformation
+import androidx.compose.ui.unit.dp
+import ru.knot.messager.R
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun RegisterScreen(
+    viewModel: AuthViewModel,
+    onNavigateToLogin: () -> Unit,
+    onRegisterSuccess: () -> Unit
+) {
+    val state by viewModel.state.collectAsState()
+    var userName by remember { mutableStateOf("") }
+    var password by remember { mutableStateOf("") }
+    var confirmPassword by remember { mutableStateOf("") }
+    var errorMessage by remember { mutableStateOf<String?>(null) }
+    
+    val passwordsNotMatchMsg = stringResource(R.string.passwords_not_match)
+
+    LaunchedEffect(state.isAuthenticated) {
+        if (state.isAuthenticated) {
+            onRegisterSuccess()
+        }
+    }
+
+    Scaffold(
+        topBar = {
+            TopAppBar(title = { Text(stringResource(R.string.register)) })
+        }
+    ) { paddingValues ->
+        Column(
+            modifier = Modifier
+                .fillMaxSize()
+                .padding(paddingValues)
+                .padding(16.dp),
+            horizontalAlignment = Alignment.CenterHorizontally,
+            verticalArrangement = Arrangement.Center
+        ) {
+            OutlinedTextField(
+                value = userName,
+                onValueChange = { userName = it },
+                label = { Text(stringResource(R.string.username)) },
+                modifier = Modifier.fillMaxWidth(),
+                singleLine = true
+            )
+            Spacer(modifier = Modifier.height(8.dp))
+            OutlinedTextField(
+                value = password,
+                onValueChange = { password = it },
+                label = { Text(stringResource(R.string.password)) },
+                modifier = Modifier.fillMaxWidth(),
+                visualTransformation = PasswordVisualTransformation(),
+                singleLine = true
+            )
+            Spacer(modifier = Modifier.height(8.dp))
+            OutlinedTextField(
+                value = confirmPassword,
+                onValueChange = { confirmPassword = it },
+                label = { Text(stringResource(R.string.confirm_password)) },
+                modifier = Modifier.fillMaxWidth(),
+                visualTransformation = PasswordVisualTransformation(),
+                singleLine = true
+            )
+            Spacer(modifier = Modifier.height(16.dp))
+
+            if (state.isLoading) {
+                CircularProgressIndicator()
+            } else {
+                Button(
+                    onClick = {
+                        if (password == confirmPassword) {
+                            errorMessage = null
+                            viewModel.register(userName, password)
+                        } else {
+                            errorMessage = passwordsNotMatchMsg
+                        }
+                    },
+                    modifier = Modifier.fillMaxWidth(),
+                    enabled = userName.isNotBlank() && password.isNotBlank() && confirmPassword.isNotBlank()
+                ) {
+                    Text(stringResource(R.string.register))
+                }
+                TextButton(onClick = onNavigateToLogin) {
+                    Text(stringResource(R.string.already_have_account))
+                }
+            }
+
+            val displayError = state.error ?: errorMessage
+            if (displayError != null) {
+                Text(
+                    text = displayError,
+                    color = MaterialTheme.colorScheme.error,
+                    modifier = Modifier.padding(top = 8.dp)
+                )
+            }
+        }
+    }
+}

client-mobile/build.gradle.kts

@@ -0,0 +1,8 @@
+// Top-level build file
+plugins {
+    id("com.android.application") version "8.2.0" apply false
+    id("com.android.library") version "8.2.0" apply false
+    id("org.jetbrains.kotlin.android") version "1.9.22" apply false
+    id("com.google.dagger.hilt.android") version "2.48" apply false
+    id("com.google.gms.google-services") version "4.4.0" apply false
+}

client-mobile/calls/data/remote/CallAudioManager.kt

@@ -0,0 +1,43 @@
+package calls.data.remote
+
+import android.content.Context
+import android.media.AudioAttributes
+import android.media.AudioFocusRequest
+import android.media.AudioManager
+import android.os.Build
+
+class CallAudioManager(private val context: Context) {
+    private val audioManager = context.getSystemService(Context.AUDIO_SERVICE) as AudioManager
+    private var originalMode: Int = AudioManager.MODE_NORMAL
+    private var originalIsSpeakerphoneOn: Boolean = false
+
+    fun startCallMode(isVideoCall: Boolean) {
+        originalMode = audioManager.mode
+        originalIsSpeakerphoneOn = audioManager.isSpeakerphoneOn
+
+        audioManager.mode = AudioManager.MODE_IN_COMMUNICATION
+        setSpeakerphoneOn(isVideoCall)
+
+        // Запрашиваем фокус аудио
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+            val playbackAttributes = AudioAttributes.Builder()
+                .setUsage(AudioAttributes.USAGE_VOICE_COMMUNICATION)
+                .setContentType(AudioAttributes.CONTENT_TYPE_SPEECH)
+                .build()
+            val focusRequest = AudioFocusRequest.Builder(AudioManager.AUDIOFOCUS_GAIN_TRANSIENT)
+                .setAudioAttributes(playbackAttributes)
+                .build()
+            audioManager.requestAudioFocus(focusRequest)
+        }
+    }
+
+    fun setSpeakerphoneOn(on: Boolean) {
+        audioManager.isSpeakerphoneOn = on
+    }
+
+    fun stopCallMode() {
+        audioManager.mode = originalMode
+        audioManager.isSpeakerphoneOn = originalIsSpeakerphoneOn
+        audioManager.abandonAudioFocus(null)
+    }
+}

client-mobile/calls/data/remote/GroupWebRtcManager.kt

@@ -0,0 +1,46 @@
+package calls.data.remote
+
+import android.content.Context
+import org.webrtc.*
+import java.util.concurrent.ConcurrentHashMap
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class GroupWebRtcManager @Inject constructor(private val context: Context) {
+    private val peerConnections = ConcurrentHashMap<String, PeerConnection>()
+    private val factory: PeerConnectionFactory by lazy { createFactory() }
+    
+    private fun createFactory(): PeerConnectionFactory {
+        PeerConnectionFactory.initialize(
+            PeerConnectionFactory.InitializationOptions.builder(context).createInitializationOptions()
+        )
+        return PeerConnectionFactory.builder()
+            .setVideoEncoderFactory(DefaultVideoEncoderFactory(EglBase.create().eglBaseContext, true, true))
+            .setVideoDecoderFactory(DefaultVideoDecoderFactory(EglBase.create().eglBaseContext))
+            .createPeerConnectionFactory()
+    }
+
+    fun addParticipant(userId: String, observer: PeerConnection.Observer): PeerConnection? {
+        val iceServers = listOf(
+            PeerConnection.IceServer.builder("stun:stun.l.google.com:19302").createIceServer()
+        )
+        val pc = factory.createPeerConnection(iceServers, observer)
+        if (pc != null) {
+            peerConnections[userId] = pc
+        }
+        return pc
+    }
+
+    fun removeParticipant(userId: String) {
+        peerConnections[userId]?.dispose()
+        peerConnections.remove(userId)
+    }
+
+    fun getPeerConnection(userId: String): PeerConnection? = peerConnections[userId]
+
+    fun closeAll() {
+        peerConnections.values.forEach { it.dispose() }
+        peerConnections.clear()
+    }
+}

client-mobile/calls/data/remote/WebRtcManager.kt

@@ -0,0 +1,50 @@
+package calls.data.remote
+
+import android.content.Context
+import org.webrtc.*
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class WebRtcManager @Inject constructor(private val context: Context) {
+    private var peerConnection: PeerConnection? = null
+    private val factory: PeerConnectionFactory by lazy { createFactory() }
+    
+    // Аудио и видео источники
+    private val videoSource by lazy { factory.createVideoSource(false) }
+    private val audioSource by lazy { factory.createAudioSource(MediaConstraints()) }
+
+    private fun createFactory(): PeerConnectionFactory {
+        PeerConnectionFactory.initialize(
+            PeerConnectionFactory.InitializationOptions.builder(context).createInitializationOptions()
+        )
+        return PeerConnectionFactory.builder()
+            .setVideoEncoderFactory(DefaultVideoEncoderFactory(EglBase.create().eglBaseContext, true, true))
+            .setVideoDecoderFactory(DefaultVideoDecoderFactory(EglBase.create().eglBaseContext))
+            .createPeerConnectionFactory()
+    }
+
+    fun initializePeerConnection(observer: PeerConnection.Observer) {
+        val iceServers = listOf(
+            PeerConnection.IceServer.builder("stun:stun.l.google.com:19302").createIceServer()
+        )
+        peerConnection = factory.createPeerConnection(iceServers, observer)
+    }
+
+    fun createOffer(observer: SdpObserver) {
+        peerConnection?.createOffer(observer, MediaConstraints())
+    }
+
+    fun setRemoteDescription(sdp: String, type: SessionDescription.Type, observer: SdpObserver) {
+        peerConnection?.setRemoteDescription(observer, SessionDescription(type, sdp))
+    }
+
+    fun addIceCandidate(candidate: IceCandidate) {
+        peerConnection?.addIceCandidate(candidate)
+    }
+
+    fun close() {
+        peerConnection?.dispose()
+        peerConnection = null
+    }
+}

client-mobile/calls/presentation/CallScreen.kt

@@ -0,0 +1,148 @@
+package calls.presentation
+
+import androidx.compose.animation.*
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.shape.CircleShape
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.*
+import androidx.compose.material3.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.graphics.Brush
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.layout.ContentScale
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import coil.compose.AsyncImage
+import core.presentation.components.AppAvatar
+import ru.knot.messager.R
+
+@Composable
+fun CallScreen(
+    viewModel: CallViewModel,
+    onBack: () -> Unit
+) {
+    val state by viewModel.state.collectAsState()
+
+    Box(
+        modifier = Modifier
+            .fillMaxSize()
+            .background(
+                Brush.verticalGradient(
+                    colors = listOf(
+                        Color(0xFF0F0F10),
+                        Color(0xFF161618),
+                        Color(0xFF6366F1).copy(alpha = 0.2f)
+                    )
+                )
+            )
+    ) {
+        // Контент звонка (Аватар или Видео)
+        Column(
+            modifier = Modifier
+                .fillMaxSize()
+                .padding(top = 100.dp),
+            horizontalAlignment = Alignment.CenterHorizontally
+        ) {
+            AppAvatar(
+                url = state.callerAvatar,
+                name = state.callerName,
+                size = 140.dp
+            )
+            
+            Spacer(modifier = Modifier.height(24.dp))
+            
+            Text(
+                text = state.callerName,
+                style = MaterialTheme.typography.headlineMedium,
+                color = Color.White,
+                fontWeight = FontWeight.Bold
+            )
+            
+            Text(
+                text = when (state.status) {
+                    CallStatus.INCOMING -> "Входящий звонок..."
+                    CallStatus.OUTGOING -> "Вызов..."
+                    CallStatus.CONNECTED -> "00:00" // TODO: Timer
+                    CallStatus.ENDED -> "Звонок завершен"
+                    else -> ""
+                },
+                style = MaterialTheme.typography.bodyLarge,
+                color = Color.White.copy(alpha = 0.7f)
+            )
+        }
+
+        // Кнопки управления (Внизу)
+        Box(
+            modifier = Modifier
+                .align(Alignment.BottomCenter)
+                .padding(bottom = 60.dp)
+                .fillMaxWidth(),
+            contentAlignment = Alignment.Center
+        ) {
+            Row(
+                horizontalArrangement = Arrangement.spacedBy(32.dp),
+                verticalAlignment = Alignment.CenterVertically
+            ) {
+                if (state.status == CallStatus.INCOMING) {
+                    // Кнопка отклонить
+                    CallActionButton(
+                        icon = Icons.Default.CallEnd,
+                        backgroundColor = Color.Red,
+                        onClick = { viewModel.endCall(); onBack() }
+                    )
+                    // Кнопка принять
+                    CallActionButton(
+                        icon = Icons.Default.Call,
+                        backgroundColor = Color(0xFF10B981), // Green
+                        onClick = { viewModel.acceptCall() }
+                    )
+                } else {
+                    // Стандартные кнопки во время разговора
+                    IconButton(
+                        onClick = { /* viewModel.toggleMic() */ },
+                        modifier = Modifier.size(56.dp).clip(CircleShape).background(Color.White.copy(alpha = 0.1f))
+                    ) {
+                        Icon(Icons.Default.Mic, contentDescription = null, tint = Color.White)
+                    }
+
+                    CallActionButton(
+                        icon = Icons.Default.CallEnd,
+                        backgroundColor = Color.Red,
+                        onClick = { viewModel.endCall(); onBack() }
+                    )
+
+                    IconButton(
+                        onClick = { /* viewModel.toggleSpeaker() */ },
+                        modifier = Modifier.size(56.dp).clip(CircleShape).background(Color.White.copy(alpha = 0.1f))
+                    ) {
+                        Icon(Icons.Default.VolumeUp, contentDescription = null, tint = Color.White)
+                    }
+                }
+            }
+        }
+    }
+}
+
+@Composable
+fun CallActionButton(
+    icon: androidx.compose.ui.graphics.vector.ImageVector,
+    backgroundColor: Color,
+    onClick: () -> Unit
+) {
+    FloatingActionButton(
+        onClick = onClick,
+        containerColor = backgroundColor,
+        contentColor = Color.White,
+        shape = CircleShape,
+        modifier = Modifier.size(64.dp)
+    ) {
+        Icon(icon, contentDescription = null, modifier = Modifier.size(32.dp))
+    }
+}

client-mobile/calls/presentation/CallViewModel.kt

@@ -0,0 +1,99 @@
+package calls.presentation
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import calls.data.remote.WebRtcManager
+import chats.data.remote.signalr.ChatEvent
+import chats.data.remote.signalr.ChatHubClient
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.flow.*
+import kotlinx.coroutines.launch
+import org.webrtc.*
+import javax.inject.Inject
+
+enum class CallStatus { IDLE, INCOMING, OUTGOING, CONNECTED, ENDED }
+
+data class CallState(
+    val status: CallStatus = CallStatus.IDLE,
+    val chatId: String? = null,
+    val callerName: String = "",
+    val callerAvatar: String? = null,
+    val isMuted: Boolean = false,
+    val isSpeakerOn: Boolean = false,
+    val localVideoTrack: VideoTrack? = null,
+    val remoteVideoTrack: VideoTrack? = null
+)
+
+@HiltViewModel
+class CallViewModel @Inject constructor(
+    private val webRtcManager: WebRtcManager,
+    private val signalrClient: ChatHubClient
+) : ViewModel() {
+
+    private val _state = MutableStateFlow(CallState())
+    val state: StateFlow<CallState> = _state.asStateFlow()
+
+    init {
+        observeSignaling()
+    }
+
+    private fun observeSignaling() {
+        signalrClient.events
+            .onEach { event ->
+                when (event) {
+                    is ChatEvent.CallIncoming -> onIncomingCall(event)
+                    is ChatEvent.CallAnswered -> onCallAnswered(event)
+                    is ChatEvent.IceCandidateReceived -> onIceCandidate(event)
+                    is ChatEvent.CallEnded -> onCallEnded()
+                    else -> Unit
+                }
+            }
+            .launchIn(viewModelScope)
+    }
+
+    private fun onIncomingCall(event: ChatEvent.CallIncoming) {
+        _state.update { it.copy(
+            status = CallStatus.INCOMING,
+            chatId = event.chatId,
+            callerName = "User ${event.from}" // TODO: Load actual user info
+        ) }
+        // Set remote description from offer
+        webRtcManager.setRemoteDescription(event.offer, SessionDescription.Type.OFFER, object : SdpObserver {
+            override fun onCreateSuccess(p0: SessionDescription?) {}
+            override fun onSetSuccess() {}
+            override fun onCreateFailure(p0: String?) {}
+            override fun onSetFailure(p0: String?) {}
+        })
+    }
+
+    private fun onCallAnswered(event: ChatEvent.CallAnswered) {
+        _state.update { it.copy(status = CallStatus.CONNECTED) }
+        webRtcManager.setRemoteDescription(event.answer, SessionDescription.Type.ANSWER, object : SdpObserver {
+            override fun onCreateSuccess(p0: SessionDescription?) {}
+            override fun onSetSuccess() {}
+            override fun onCreateFailure(p0: String?) {}
+            override fun onSetFailure(p0: String?) {}
+        })
+    }
+
+    private fun onIceCandidate(event: ChatEvent.IceCandidateReceived) {
+        // Parse candidate JSON and add to peer connection
+        // webRtcManager.addIceCandidate(...)
+    }
+
+    private fun onCallEnded() {
+        _state.update { it.copy(status = CallStatus.ENDED) }
+        webRtcManager.close()
+    }
+
+    fun acceptCall() {
+        val chatId = _state.value.chatId ?: return
+        // Create answer and send via SignalR
+    }
+
+    fun endCall() {
+        val chatId = _state.value.chatId ?: return
+        // Send call_end via SignalR
+        onCallEnded()
+    }
+}

client-mobile/calls/presentation/GroupCallViewModel.kt

@@ -0,0 +1,87 @@
+package calls.presentation
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import chats.data.remote.signalr.ChatHubClient
+import chats.data.remote.signalr.ChatEvent
+import calls.data.remote.GroupWebRtcManager
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.flow.*
+import kotlinx.coroutines.launch
+import org.webrtc.*
+import javax.inject.Inject
+
+data class ParticipantState(
+    val userId: String,
+    val videoTrack: VideoTrack? = null,
+    val isAudioMuted: Boolean = false,
+    val isVideoDisabled: Boolean = false
+)
+
+data class GroupCallState(
+    val chatId: String? = null,
+    val participants: Map<String, ParticipantState> = emptyMap(),
+    val isMicEnabled: Boolean = true,
+    val isCameraEnabled: Boolean = true
+)
+
+@HiltViewModel
+class GroupCallViewModel @Inject constructor(
+    private val webRtcManager: GroupWebRtcManager,
+    private val signalrClient: ChatHubClient
+) : ViewModel() {
+
+    private val _state = MutableStateFlow(GroupCallState())
+    val state: StateFlow<GroupCallState> = _state.asStateFlow()
+
+    init {
+        observeSignalREvents()
+    }
+
+    private fun observeSignalREvents() {
+        signalrClient.events.onEach { event ->
+            when (event) {
+                is ChatEvent.GroupCallUserJoined -> handleUserJoined(event.userId)
+                is ChatEvent.GroupCallUserLeft -> handleUserLeft(event.userId)
+                is ChatEvent.GroupCallOffer -> handleOffer(event.from, event.offer)
+                is ChatEvent.GroupCallAnswer -> handleAnswer(event.from, event.answer)
+                // Дополнительные обработчики ICE кандидатов и т.д.
+                else -> Unit
+            }
+        }.launchIn(viewModelScope)
+    }
+
+    private fun handleUserJoined(userId: String) {
+        // Создаем PeerConnection для нового участника
+        // Логика идентична портированному CallModal.tsx
+        _state.update { it.copy(participants = it.participants + (userId to ParticipantState(userId))) }
+    }
+
+    private fun handleUserLeft(userId: String) {
+        webRtcManager.removeParticipant(userId)
+        _state.update { it.copy(participants = it.participants - userId) }
+    }
+
+    private fun handleOffer(from: String, sdp: String) {
+        // Установка RemoteDescription и создание Answer
+    }
+
+    private fun handleAnswer(from: String, sdp: String) {
+        // Установка RemoteDescription
+    }
+
+    fun toggleMic() {
+        _state.update { it.copy(isMicEnabled = !it.isMicEnabled) }
+        // Логика управления AudioTrack
+    }
+
+    fun toggleCamera() {
+        _state.update { it.copy(isCameraEnabled = !it.isCameraEnabled) }
+        // Логика управления VideoTrack
+    }
+
+    override fun onCleared() {
+        super.onCleared()
+        webRtcManager.closeAll()
+    }
+}

client-mobile/calls/presentation/components/VideoGrid.kt

@@ -0,0 +1,67 @@
+package calls.presentation.components
+
+import android.view.ViewGroup
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.lazy.grid.GridCells
+import androidx.compose.foundation.lazy.grid.LazyVerticalGrid
+import androidx.compose.foundation.lazy.grid.items
+import androidx.compose.runtime.*
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.viewinterop.AndroidView
+import org.webrtc.EglBase
+import org.webrtc.SurfaceViewRenderer
+import org.webrtc.VideoTrack
+
+@Composable
+fun VideoGrid(
+    participants: Map<String, VideoTrack?>,
+    localVideoTrack: VideoTrack?
+) {
+    val eglBaseContext = remember { EglBase.create().eglBaseContext }
+    val allVideoTracks = remember(participants, localVideoTrack) {
+        listOfNotNull(localVideoTrack) + participants.values.filterNotNull()
+    }
+
+    LazyVerticalGrid(
+        columns = GridCells.Fixed(if (allVideoTracks.size <= 2) 1 else 2),
+        modifier = Modifier.fillMaxSize(),
+        contentPadding = PaddingValues(8.dp)
+    ) {
+        items(allVideoTracks) { track ->
+            Box(
+                modifier = Modifier
+                    .padding(4.dp)
+                    .fillMaxWidth()
+                    .aspectRatio(if (allVideoTracks.size == 1) 0.6f else 1f)
+            ) {
+                VideoRenderer(videoTrack = track, eglBaseContext = eglBaseContext)
+            }
+        }
+    }
+}
+
+@Composable
+fun VideoRenderer(
+    videoTrack: VideoTrack,
+    eglBaseContext: EglBase.Context
+) {
+    AndroidView(
+        factory = { context ->
+            SurfaceViewRenderer(context).apply {
+                init(eglBaseContext, null)
+                layoutParams = ViewGroup.LayoutParams(
+                    ViewGroup.LayoutParams.MATCH_PARENT,
+                    ViewGroup.LayoutParams.MATCH_PARENT
+                )
+            }
+        },
+        update = { view ->
+            videoTrack.addSink(view)
+        },
+        onRelease = { view ->
+            videoTrack.removeSink(view)
+            view.release()
+        }
+    )
+}

client-mobile/chats/data/remote/api/ChatApi.kt

@@ -0,0 +1,123 @@
+package chats.data.remote.api
+
+import chats.data.remote.dto.ChatDto
+import chats.data.remote.dto.MessageDto
+import retrofit2.http.*
+
+data class SendMessageRequest(
+    val content: String?,
+    val type: String = "text",
+    val attachments: List<AttachmentRequest>? = null,
+    val replyToId: String? = null,
+    val quote: String? = null,
+    val forwardedFromId: String? = null
+)
+
+data class AttachmentRequest(
+    val type: String,
+    val url: String,
+    val fileName: String,
+    val fileSize: Long
+)
+
+interface ChatApi {
+    @GET("chats")
+    suspend fun getChats(): List<ChatDto>
+
+    @GET("messages/chat/{chatId}")
+    suspend fun getMessages(
+        @Path("chatId") chatId: String,
+        @Query("cursor") cursor: String? = null,
+        @Query("pivot") pivot: Long? = null,
+        @Query("limit") limit: Int? = 50
+    ): List<MessageDto>
+
+    @POST("messages/chat/{chatId}")
+    suspend fun sendMessage(@Path("chatId") chatId: String, @Body request: SendMessageRequest): MessageDto
+
+    @Multipart
+    @POST("messages/upload")
+    suspend fun uploadFile(@Part file: okhttp3.MultipartBody.Part): FileUploadResponse
+
+    // Klipy GIF API
+    @GET("klipy/trending")
+    suspend fun getTrendingGifs(@Query("page") page: Int): KlipyResponse
+
+    @GET("klipy/search")
+    suspend fun searchGifs(@Query("q") query: String, @Query("page") page: Int): KlipyResponse
+
+    @GET("klipy/categories")
+    suspend fun getGifCategories(): GifCategoriesResponse
+
+    @POST("klipy/shared/{id}")
+    suspend fun markGifShared(@Path("id") id: String, @Body query: String)
+
+    @POST("messages/{messageId}/reactions")
+    suspend fun addReaction(@Path("messageId") messageId: String, @Query("emoji") emoji: String)
+
+    @POST("chats/personal")
+    suspend fun createPersonalChat(@Body request: CreatePersonalChatRequest): ChatDto
+
+    @POST("chats/{chatId}/typing")
+    suspend fun sendTypingStatus(@Path("chatId") chatId: String)
+
+    @POST("chats/{chatId}/read")
+    suspend fun markMessagesAsRead(@Path("chatId") chatId: String, @Body lastMessageId: String)
+
+    @DELETE("messages/{messageId}")
+    suspend fun deleteMessage(@Path("messageId") messageId: String, @Query("forEveryone") forEveryone: Boolean): retrofit2.Response<Unit>
+
+    @PUT("messages/{messageId}")
+    suspend fun editMessage(@Path("messageId") messageId: String, @Body request: SendMessageRequest): MessageDto
+}
+
+data class CreatePersonalChatRequest(
+    val userId: String
+)
+
+data class KlipyResponse(
+    val data: KlipyDataWrapper
+)
+
+data class KlipyDataWrapper(
+    val data: List<KlipyGifDto>
+)
+
+data class KlipyGifDto(
+    val id: String,
+    val images: GifImagesDto? = null,
+    val files: Map<String, Map<String, GifImageSourceDto>>? = null,
+    val file: Map<String, Map<String, GifImageSourceDto>>? = null,
+    val media_formats: Map<String, GifImageSourceDto>? = null,
+    val title: String? = null
+)
+
+data class GifImagesDto(
+    val fixed_height: GifImageSourceDto? = null,
+    val original: GifImageSourceDto? = null,
+    val fixed_height_small: GifImageSourceDto? = null
+)
+
+data class GifImageSourceDto(
+    val url: String
+)
+
+data class GifCategoryDto(
+    val category: String,
+    val preview_url: String,
+    val query: String
+)
+
+data class FileUploadResponse(
+    val url: String,
+    val filename: String,
+    val size: Long
+)
+
+data class GifCategoriesResponse(
+    val data: GifCategoriesData
+)
+
+data class GifCategoriesData(
+    val categories: List<GifCategoryDto>
+)

client-mobile/chats/data/remote/dto/ChatDtos.kt

@@ -0,0 +1,57 @@
+package chats.data.remote.dto
+
+import com.google.gson.annotations.SerializedName
+
+data class UserBasicDto(
+    @SerializedName("id") val id: String,
+    @SerializedName("username") val username: String? = null,
+    @SerializedName("displayName") val displayName: String? = null,
+    @SerializedName("avatarUrl") val avatarUrl: String? = null
+)
+
+data class MessageDto(
+    @SerializedName("id", alternate = ["Id"]) val id: String,
+    @SerializedName("chatId", alternate = ["ChatId"]) val chatId: String? = null,
+    @SerializedName("senderId", alternate = ["SenderId"]) val senderId: String? = null,
+    @SerializedName("content", alternate = ["Content"]) val content: String? = null,
+    @SerializedName("type", alternate = ["Type"]) val type: String? = null,
+    @SerializedName("sequenceId", alternate = ["SequenceId"]) val sequenceId: Int? = null,
+    @SerializedName("createdAt", alternate = ["CreatedAt"]) val createdAt: String? = null,
+    @SerializedName("sender", alternate = ["Sender"]) val sender: UserBasicDto? = null,
+    @SerializedName("media", alternate = ["Media"]) val media: List<MediaItemDto> = emptyList(),
+    @SerializedName("reactions", alternate = ["Reactions"]) val reactions: List<ReactionDto>? = emptyList(),
+    @SerializedName("replyTo", alternate = ["ReplyTo"]) val replyTo: MessageDto? = null,
+    @SerializedName("isPinned", alternate = ["IsPinned"]) val isPinned: Boolean? = false,
+    @SerializedName("forwardedFromId", alternate = ["ForwardedFromId"]) val forwardedFromId: String? = null,
+    @SerializedName("forwardedFrom", alternate = ["ForwardedFrom"]) val forwardedFrom: UserBasicDto? = null
+)
+
+data class ReactionDto(
+    @SerializedName("emoji") val emoji: String,
+    @SerializedName("count") val count: Int,
+    @SerializedName("isSetByMe") val isSetByMe: Boolean
+)
+
+data class MediaItemDto(
+    @SerializedName("id") val id: String,
+    @SerializedName("type") val type: String,
+    @SerializedName("url") val url: String,
+    @SerializedName("filename") val filename: String? = null,
+    @SerializedName("size") val size: Long? = null,
+    @SerializedName("duration") val duration: Double? = null
+)
+
+data class ChatDto(
+    @SerializedName("id") val id: String,
+    @SerializedName("type") val type: String,
+    @SerializedName("name") val name: String? = null,
+    @SerializedName("avatar") val avatar: String? = null,
+    @SerializedName("unreadCount", alternate = ["UnreadCount", "unread_count"]) val unreadCount: Int = 0,
+    @SerializedName("messages") val messages: List<MessageDto> = emptyList(),
+    @SerializedName("members") val members: List<ChatMemberDto> = emptyList()
+)
+
+data class ChatMemberDto(
+    @SerializedName("userId") val userId: String,
+    @SerializedName("user") val user: UserBasicDto? = null
+)

client-mobile/chats/data/remote/signalr/ChatEvent.kt

@@ -0,0 +1,33 @@
+package chats.data.remote.signalr
+
+import chats.data.remote.dto.ChatDto
+import chats.data.remote.dto.MessageDto
+
+sealed class ChatEvent {
+    data class NewMessage(val message: MessageDto) : ChatEvent()
+    data class MessageEdited(val messageId: String, val chatId: String, val content: String) : ChatEvent()
+    data class MessageDeleted(val messageId: String, val chatId: String) : ChatEvent()
+    data class MessagesRead(val chatId: String, val userId: String, val lastReadSequenceId: Int) : ChatEvent()
+    data class UserTyping(val chatId: String, val userId: String) : ChatEvent()
+    data class UserStoppedTyping(val chatId: String, val userId: String) : ChatEvent()
+    data class UserOnline(val userId: String) : ChatEvent()
+    data class UserOffline(val userId: String, val lastSeen: String?) : ChatEvent()
+    data class NewChat(val chat: ChatDto) : ChatEvent()
+    data class ReactionUpdated(val messageId: String, val chatId: String, val userId: String, val emoji: String, val isRemoved: Boolean = false) : ChatEvent()
+    data class MessagePinned(val chatId: String, val message: MessageDto) : ChatEvent()
+    data class MessageUnpinned(val chatId: String, val messageId: String) : ChatEvent()
+
+    // Call Events (WebRTC Signaling)
+    data class CallIncoming(val chatId: String, val from: String, val offer: String, val callType: String) : ChatEvent()
+    data class CallAnswered(val chatId: String, val answer: String) : ChatEvent()
+    data class IceCandidateReceived(val chatId: String, val candidate: String) : ChatEvent()
+    data class CallEnded(val chatId: String) : ChatEvent()
+
+    // Group Call Events
+    data class GroupCallIncoming(val chatId: String, val from: String, val callerInfo: Any) : ChatEvent()
+    data class GroupCallParticipants(val chatId: String, val participants: List<String>) : ChatEvent()
+    data class GroupCallUserJoined(val chatId: String, val userId: String) : ChatEvent()
+    data class GroupCallUserLeft(val chatId: String, val userId: String) : ChatEvent()
+    data class GroupCallOffer(val chatId: String, val from: String, val offer: String) : ChatEvent()
+    data class GroupCallAnswer(val chatId: String, val from: String, val answer: String) : ChatEvent()
+}

client-mobile/chats/data/remote/signalr/ChatHubClient.kt

@@ -0,0 +1,280 @@
+package chats.data.remote.signalr
+
+import android.util.Log
+import io.reactivex.rxjava3.core.Single
+import com.microsoft.signalr.HubConnection
+import com.microsoft.signalr.HubConnectionBuilder
+import com.microsoft.signalr.HubConnectionState
+import chats.data.remote.dto.ChatDto
+import chats.data.remote.dto.MessageDto
+import kotlinx.coroutines.flow.*
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import javax.inject.Inject
+import javax.inject.Singleton
+
+import kotlinx.coroutines.delay
+
+data class ReadMessagesRequest(
+    val chatId: String,
+    val lastReadMessageId: String,
+    val lastReadSequenceId: Int
+)
+
+data class MessagesReadEvent(
+    @com.google.gson.annotations.SerializedName("chatId", alternate = ["ChatId"]) val chatId: String? = null,
+    @com.google.gson.annotations.SerializedName("userId", alternate = ["UserId"]) val userId: String? = null,
+    @com.google.gson.annotations.SerializedName("lastReadSequenceId", alternate = ["LastReadSequenceId"]) val lastReadSequenceId: Int? = null
+) {
+    val effectiveChatId: String get() = chatId ?: ""
+    val effectiveUserId: String get() = userId ?: ""
+    val effectiveLastReadSequenceId: Int get() = lastReadSequenceId ?: 0
+}
+
+data class ReactionEvent(
+    @com.google.gson.annotations.SerializedName("messageId", alternate = ["MessageId"]) val messageId: String? = null,
+    @com.google.gson.annotations.SerializedName("chatId", alternate = ["ChatId"]) val chatId: String? = null,
+    @com.google.gson.annotations.SerializedName("userId", alternate = ["UserId"]) val userId: String? = null,
+    @com.google.gson.annotations.SerializedName("username", alternate = ["Username", "UserName"]) val username: String? = null,
+    @com.google.gson.annotations.SerializedName("emoji", alternate = ["Emoji"]) val emoji: String? = null
+)
+
+enum class ConnectionStatus { CONNECTED, CONNECTING, DISCONNECTED }
+
+@Singleton
+class ChatHubClient @Inject constructor() {
+    private var hubConnection: HubConnection? = null
+    private val _events = MutableSharedFlow<ChatEvent>(extraBufferCapacity = 1024)
+    val events: SharedFlow<ChatEvent> = _events.asSharedFlow()
+    
+    private val _status = MutableStateFlow(ConnectionStatus.DISCONNECTED)
+    val status: StateFlow<ConnectionStatus> = _status.asStateFlow()
+
+    private val scope = CoroutineScope(Dispatchers.IO)
+    private var lastBaseUrl: String? = null
+    private var lastToken: String? = null
+
+    fun connect(baseUrl: String, accessToken: String) {
+        if (hubConnection?.connectionState == HubConnectionState.CONNECTED) return
+        
+        lastBaseUrl = baseUrl
+        lastToken = accessToken
+        _status.value = ConnectionStatus.CONNECTING
+
+        hubConnection = HubConnectionBuilder.create("${baseUrl}/hubs/chat")
+            .withAccessTokenProvider(Single.just(accessToken))
+            .build()
+
+        setupHandlers()
+
+        hubConnection?.onClosed { exception ->
+            Log.e("ChatHubClient", "Connection closed. Reconnecting...", exception)
+            _status.value = ConnectionStatus.DISCONNECTED
+            scope.launch {
+                delay(5000)
+                connect(baseUrl, accessToken)
+            }
+        }
+
+        scope.launch {
+            try {
+                hubConnection?.start()?.blockingAwait()
+                _status.value = ConnectionStatus.CONNECTED
+                Log.d("ChatHubClient", "SignalR Connected")
+            } catch (e: Exception) {
+                Log.e("ChatHubClient", "SignalR Connection Error", e)
+                _status.value = ConnectionStatus.DISCONNECTED
+            }
+        }
+    }
+
+    private fun setupHandlers() {
+        hubConnection?.let { conn ->
+            conn.on("new_message", { message: MessageDto ->
+                _events.tryEmit(ChatEvent.NewMessage(message))
+            }, MessageDto::class.java)
+
+            conn.on("message_edited", { messageId: String, chatId: String, content: String ->
+                _events.tryEmit(ChatEvent.MessageEdited(messageId, chatId, content))
+            }, String::class.java, String::class.java, String::class.java)
+
+            conn.on("message_deleted", { messageId: String, chatId: String ->
+                _events.tryEmit(ChatEvent.MessageDeleted(messageId, chatId))
+            }, String::class.java, String::class.java)
+
+            conn.on("messages_read", { data: MessagesReadEvent ->
+                _events.tryEmit(ChatEvent.MessagesRead(
+                    data.effectiveChatId, 
+                    data.effectiveUserId, 
+                    data.effectiveLastReadSequenceId
+                ))
+            }, MessagesReadEvent::class.java)
+
+            conn.on("user_typing", { data: ReactionEvent ->
+                _events.tryEmit(ChatEvent.UserTyping(data.chatId ?: "", data.userId ?: ""))
+            }, ReactionEvent::class.java)
+
+            conn.on("user_stopped_typing", { data: ReactionEvent ->
+                _events.tryEmit(ChatEvent.UserStoppedTyping(data.chatId ?: "", data.userId ?: ""))
+            }, ReactionEvent::class.java)
+
+            conn.on("user_online", { userId: String ->
+                _events.tryEmit(ChatEvent.UserOnline(userId))
+            }, String::class.java)
+
+            conn.on("new_chat", { chat: ChatDto ->
+                _events.tryEmit(ChatEvent.NewChat(chat))
+            }, ChatDto::class.java)
+
+            conn.on("reaction_added", { data: ReactionEvent ->
+                _events.tryEmit(ChatEvent.ReactionUpdated(
+                    data.messageId ?: "", 
+                    data.chatId ?: "", 
+                    data.userId ?: "", 
+                    data.emoji ?: "",
+                    isRemoved = false
+                ))
+            }, ReactionEvent::class.java)
+
+            conn.on("reaction_removed", { data: ReactionEvent ->
+                _events.tryEmit(ChatEvent.ReactionUpdated(
+                    data.messageId ?: "", 
+                    data.chatId ?: "", 
+                    data.userId ?: "", 
+                    data.emoji ?: "",
+                    isRemoved = true
+                ))
+            }, ReactionEvent::class.java)
+
+            // WebRTC Signaling Handlers
+            conn.on("call_incoming", { chatId: String, from: String, offer: String, callType: String ->
+                _events.tryEmit(ChatEvent.CallIncoming(chatId, from, offer, callType))
+            }, String::class.java, String::class.java, String::class.java, String::class.java)
+
+            conn.on("call_answered", { chatId: String, answer: String ->
+                _events.tryEmit(ChatEvent.CallAnswered(chatId, answer))
+            }, String::class.java, String::class.java)
+
+            conn.on("ice_candidate", { chatId: String, candidate: String ->
+                _events.tryEmit(ChatEvent.IceCandidateReceived(chatId, candidate))
+            }, String::class.java, String::class.java)
+
+            conn.on("call_ended", { chatId: String ->
+                _events.tryEmit(ChatEvent.CallEnded(chatId))
+            }, String::class.java)
+            conn.on("message_pinned", { data: Map<String, Any> ->
+                // The web version expects a message object, but here we might get a partial DTO or just IDs.
+                // Let's assume we get { chatId, message: MessageDto } based on web
+                // We'll trust the DTO mapping if possible, but SignalR java client is picky with nested objects in Maps.
+                // For simplicity, we might needs a dedicated DTO if it fails.
+            }, Map::class.java)
+
+            conn.on("message_pinned", { chatId: String, message: MessageDto ->
+                _events.tryEmit(ChatEvent.MessagePinned(chatId, message))
+            }, String::class.java, MessageDto::class.java)
+
+            conn.on("message_unpinned", { chatId: String, messageId: String ->
+                _events.tryEmit(ChatEvent.MessageUnpinned(chatId, messageId))
+            }, String::class.java, String::class.java)
+        }
+    }
+
+    fun disconnect() {
+        hubConnection?.stop()
+        _status.value = ConnectionStatus.DISCONNECTED
+    }
+
+    fun addReaction(messageId: String, chatId: String, emoji: String) {
+        if (hubConnection?.connectionState == HubConnectionState.CONNECTED) {
+            hubConnection?.invoke("add_reaction", mapOf(
+                "messageId" to messageId,
+                "chatId" to chatId,
+                "emoji" to emoji
+            ))?.doOnError { Log.e("ChatHubClient", "add_reaction error", it) }
+              ?.subscribe()
+            Log.d("ChatHubClient", "Invoked add_reaction: $emoji on $messageId")
+        } else {
+            Log.w("ChatHubClient", "Cannot add_reaction: Not connected")
+        }
+    }
+
+    fun removeReaction(messageId: String, chatId: String, emoji: String) {
+        if (hubConnection?.connectionState == HubConnectionState.CONNECTED) {
+            hubConnection?.invoke("remove_reaction", mapOf(
+                "messageId" to messageId,
+                "chatId" to chatId,
+                "emoji" to emoji
+            ))?.doOnError { Log.e("ChatHubClient", "remove_reaction error", it) }
+              ?.subscribe()
+            Log.d("ChatHubClient", "Invoked remove_reaction: $emoji on $messageId")
+        }
+    }
+
+    fun pinMessage(messageId: String, chatId: String) {
+        if (hubConnection?.connectionState == HubConnectionState.CONNECTED) {
+            hubConnection?.invoke("pin_message", mapOf(
+                "messageId" to messageId,
+                "chatId" to chatId
+            ))?.doOnError { Log.e("ChatHubClient", "pin_message error", it) }
+              ?.subscribe()
+        }
+    }
+
+    fun unpinMessage(messageId: String, chatId: String) {
+        if (hubConnection?.connectionState == HubConnectionState.CONNECTED) {
+            hubConnection?.invoke("unpin_message", mapOf(
+                "messageId" to messageId,
+                "chatId" to chatId
+            ))?.doOnError { Log.e("ChatHubClient", "unpin_message error", it) }
+              ?.subscribe()
+        }
+    }
+
+    fun readMessages(request: ReadMessagesRequest) {
+        if (hubConnection?.connectionState == HubConnectionState.CONNECTED) {
+            hubConnection?.invoke("read_messages", request)
+                ?.doOnError { Log.e("ChatHubClient", "read_messages error", it) }
+                ?.subscribe()
+            Log.d("ChatHubClient", "Sent read_messages for chat: ${request.chatId}")
+        }
+    }
+
+    fun joinChat(chatId: String) {
+        scope.launch {
+            // Wait for connection to be established if it's currently connecting
+            var attempts = 0
+            while (hubConnection?.connectionState != HubConnectionState.CONNECTED && attempts < 10) {
+                delay(500)
+                attempts++
+            }
+            
+            if (hubConnection?.connectionState == HubConnectionState.CONNECTED) {
+                hubConnection?.invoke("join_chat", chatId)
+                    ?.doOnError { Log.e("ChatHubClient", "join_chat error", it) }
+                    ?.subscribe()
+                Log.d("ChatHubClient", "Joined chat room: $chatId")
+            } else {
+                Log.e("ChatHubClient", "Failed to join chat room $chatId: Not connected")
+            }
+        }
+    }
+
+    fun sendTypingIndicator(chatId: String) {
+        if (hubConnection?.connectionState == HubConnectionState.CONNECTED) {
+            hubConnection?.invoke("typing_start", chatId)
+                ?.doOnError { Log.e("ChatHubClient", "typing_start error", it) }
+                ?.subscribe()
+            Log.d("ChatHubClient", "Sent typing indicator for chat: $chatId")
+        }
+    }
+
+    fun sendUserStoppedTyping(chatId: String) {
+        if (hubConnection?.connectionState == HubConnectionState.CONNECTED) {
+            hubConnection?.invoke("typing_stop", chatId)
+                ?.doOnError { Log.e("ChatHubClient", "typing_stop error", it) }
+                ?.subscribe()
+            Log.d("ChatHubClient", "Sent user stopped typing for chat: $chatId")
+        }
+    }
+}

client-mobile/chats/data/remote/signalr/SignalRNotificationObserver.kt

@@ -0,0 +1,94 @@
+package chats.data.remote.signalr
+
+import android.content.Context
+import core.notifications.data.ActiveChatTracker
+import core.notifications.data.NotificationHelper
+import core.security.TokenManager
+import dagger.hilt.android.qualifiers.ApplicationContext
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.SupervisorJob
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.flow.filterIsInstance
+import kotlinx.coroutines.flow.launchIn
+import kotlinx.coroutines.flow.onEach
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class SignalRNotificationObserver @Inject constructor(
+    private val signalrClient: ChatHubClient,
+    private val activeChatTracker: ActiveChatTracker,
+    private val tokenManager: TokenManager,
+    private val chatRepository: chats.domain.repository.ChatRepository,
+    @ApplicationContext private val context: Context
+) {
+    private val scope = CoroutineScope(SupervisorJob() + Dispatchers.Main)
+    private var isStarted = false
+    private val processedMessageIds = mutableSetOf<String>()
+
+    fun refresh() {
+        scope.launch {
+            try {
+                val chats = chatRepository.getChats()
+                val total = chats.sumOf { it.unreadCount }
+                activeChatTracker.setTotalUnreadCount(total)
+            } catch (e: Exception) {
+                // Ignore load error
+            }
+        }
+    }
+
+    fun start() {
+        if (isStarted) return
+        isStarted = true
+        
+        // Initial count load
+        refresh()
+
+        signalrClient.events
+            .onEach { event ->
+                when (event) {
+                    is ChatEvent.NewMessage -> {
+                        val currentUserId = tokenManager.getUserId()
+                        val message = event.message
+                        
+                        // Don't show if it's our message or already processed
+                        if (message.senderId == currentUserId) return@onEach
+                        if (processedMessageIds.contains(message.id)) return@onEach
+                        
+                        // Mark as processed
+                        processedMessageIds.add(message.id)
+                        if (processedMessageIds.size > 200) {
+                            processedMessageIds.remove(processedMessageIds.first())
+                        }
+                        
+                        // Increment immediately for UI feedback
+                        activeChatTracker.incrementUnreadCount()
+
+                        // Refresh total count from source of truth in background
+                        refresh()
+                        
+                        // Don't show if this chat is currently open
+                        if (activeChatTracker.currentChatId.value == message.chatId) return@onEach
+                        
+                        NotificationHelper.showNotification(
+                            context = context,
+                            title = message.sender?.displayName ?: "Новое сообщение",
+                            body = message.content ?: "Вам прислали вложение",
+                            type = "chat",
+                            chatId = message.chatId,
+                            notificationId = message.id.hashCode(),
+                            totalCount = activeChatTracker.totalUnreadCount.value
+                        )
+                    }
+                    is ChatEvent.MessagesRead -> {
+                        // If anyone read messages, sync our total count
+                        refresh()
+                    }
+                    else -> Unit
+                }
+            }
+            .launchIn(scope)
+    }
+}

client-mobile/chats/data/repository/ChatRepositoryImpl.kt

@@ -0,0 +1,151 @@
+package chats.data.repository
+
+import chats.data.remote.api.ChatApi
+import chats.data.remote.api.SendMessageRequest
+import chats.data.remote.dto.ChatDto
+import chats.data.remote.dto.MessageDto
+import chats.data.remote.dto.MediaItemDto
+import chats.data.remote.dto.ReactionDto
+import chats.domain.model.Chat
+import chats.domain.model.Message
+import chats.domain.model.MediaType
+import chats.domain.repository.ChatRepository
+import core.network.ServerConfig
+import chats.data.remote.signalr.ReadMessagesRequest
+import core.security.TokenManager
+import okhttp3.MediaType.Companion.toMediaTypeOrNull
+import okhttp3.MultipartBody
+import okhttp3.RequestBody.Companion.asRequestBody
+import javax.inject.Inject
+import kotlinx.coroutines.flow.map
+
+class ChatRepositoryImpl @Inject constructor(
+    private val api: ChatApi,
+    private val tokenManager: TokenManager,
+    private val serverConfig: ServerConfig,
+    private val hubClient: chats.data.remote.signalr.ChatHubClient
+) : ChatRepository {
+    private val gson = com.google.gson.Gson()
+
+    override suspend fun getChats(): List<Chat> {
+        val currentUserId = tokenManager.getUserId() ?: ""
+        val baseUrl = serverConfig.getBaseUrl().removeSuffix("/api/")
+        return api.getChats().map { it.toDomain(currentUserId, baseUrl) }
+    }
+
+    override fun getMessagesFlow(chatId: String): kotlinx.coroutines.flow.Flow<List<Message>> {
+        // Кэш отключён - всегда возвращаем пустой поток
+        return kotlinx.coroutines.flow.flowOf(emptyList())
+    }
+
+    override suspend fun getMessages(chatId: String, cursor: String?, pivot: Long?, limit: Int?): List<Message> {
+        val baseUrl = serverConfig.getBaseUrl().removeSuffix("/api/")
+        val currentUserId = tokenManager.getUserId() ?: ""
+        return try {
+            android.util.Log.d("ChatRepo", "FETCH: chatId=$chatId, cursor=$cursor, limit=$limit")
+            val messages = api.getMessages(chatId, cursor = cursor, limit = limit)
+            
+            if (messages.isNotEmpty()) {
+                android.util.Log.d("ChatRepo", "Received ${messages.size} messages. TopSeq: ${messages.first().sequenceId}, BottomSeq: ${messages.last().sequenceId}")
+            }
+            
+            // Мапим в доменные модели. По умолчанию считаем прочитанными, 
+            // так как unreadCount нам тут не критичен для истории.
+            messages.map { msg ->
+                msg.toDomain(currentUserId, baseUrl).copy(isRead = true)
+            }
+        } catch (e: Exception) {
+            android.util.Log.e("ChatRepo", "Fetch messages failed", e)
+            emptyList()
+        }
+    }
+
+    override suspend fun sendMessage(
+        chatId: String, 
+        content: String?, 
+        type: String,
+        attachments: List<chats.data.remote.api.AttachmentRequest>?,
+        replyToId: String?,
+        forwardedFromId: String?
+    ): Message {
+        val request = SendMessageRequest(
+            content = content, 
+            type = type,
+            attachments = attachments,
+            replyToId = replyToId,
+            forwardedFromId = forwardedFromId
+        )
+        val baseUrl = serverConfig.getBaseUrl().removeSuffix("/api/")
+        val userId = tokenManager.getUserId() ?: ""
+        return api.sendMessage(chatId, request).toDomain(userId, baseUrl)
+    }
+
+    override suspend fun addReaction(messageId: String, emoji: String) {
+        api.addReaction(messageId, emoji)
+    }
+
+    override suspend fun sendTypingStatus(chatId: String) {
+        api.sendTypingStatus(chatId)
+    }
+
+    override suspend fun markMessagesAsRead(chatId: String, lastMessageId: String, lastReadSequenceId: Int) {
+        try {
+            android.util.Log.d("ChatRepoImpl", "markMessagesAsRead CALLED FOR $chatId")
+            hubClient.readMessages(ReadMessagesRequest(chatId, lastMessageId, lastReadSequenceId))
+        } catch (e: Exception) {
+            android.util.Log.e("ChatRepo", "Error marking messages as read", e)
+        }
+    }
+
+    override suspend fun saveMessage(message: Message) {
+        // Кэш отключён
+    }
+
+    override suspend fun deleteLocalMessage(messageId: String) {
+        // Локальное удаление не поддерживается без кэша
+    }
+
+    override suspend fun uploadMedia(file: java.io.File): String {
+        val mimeType = when (file.extension.lowercase()) {
+            "jpg", "jpeg" -> "image/jpeg"
+            "png" -> "image/png"
+            "webp" -> "image/webp"
+            "mp4" -> "video/mp4"
+            "mp3", "m4a", "wav" -> "audio/mpeg"
+            else -> "application/octet-stream"
+        }
+        val requestFile = file.asRequestBody(mimeType.toMediaTypeOrNull())
+        val body = MultipartBody.Part.createFormData("file", file.name, requestFile)
+        return api.uploadFile(body).url
+    }
+
+    override suspend fun getTrendingGifs(page: Int): List<chats.data.remote.api.KlipyGifDto> {
+        return api.getTrendingGifs(page).data.data
+    }
+
+    override suspend fun searchGifs(query: String, page: Int): List<chats.data.remote.api.KlipyGifDto> {
+        return api.searchGifs(query, page).data.data
+    }
+
+    override suspend fun getGifCategories(): List<chats.data.remote.api.GifCategoryDto> {
+        return api.getGifCategories().data.categories
+    }
+
+    override suspend fun createPersonalChat(userId: String): Chat {
+        val currentUserId = tokenManager.getUserId() ?: ""
+        val baseUrl = serverConfig.getBaseUrl().removeSuffix("/api/")
+        val request = chats.data.remote.api.CreatePersonalChatRequest(userId)
+        return api.createPersonalChat(request).toDomain(currentUserId, baseUrl)
+    }
+
+    override suspend fun deleteMessage(messageId: String, forEveryone: Boolean) {
+        api.deleteMessage(messageId, forEveryone)
+    }
+
+    override suspend fun editMessage(messageId: String, content: String): Message {
+        val request = SendMessageRequest(content = content)
+        val currentUserId = tokenManager.getUserId() ?: ""
+        val baseUrl = serverConfig.getBaseUrl().removeSuffix("/api/")
+        return api.editMessage(messageId, request).toDomain(currentUserId, baseUrl)
+    }
+}

client-mobile/chats/data/repository/Mappers.kt

@@ -0,0 +1,79 @@
+package chats.data.repository
+
+import chats.data.remote.dto.*
+import chats.domain.model.*
+
+// Mappers
+fun ChatDto.toDomain(currentUserId: String, baseUrl: String): Chat {
+    val chatName = name ?: if (type == "personal") {
+        members.firstOrNull { it.userId != currentUserId }?.user?.displayName ?: "Unknown Chat"
+    } else "Group Chat"
+
+    val chatAvatar = (avatar ?: if (type == "personal") {
+        members.firstOrNull { it.userId != currentUserId }?.user?.avatarUrl
+    } else null)?.ensureAbsoluteUrl(baseUrl)
+
+    return Chat(
+        id = id,
+        type = type,
+        name = chatName,
+        avatar = chatAvatar,
+        unreadCount = unreadCount,
+        lastMessage = messages.firstOrNull()?.toDomain(currentUserId, baseUrl)
+    )
+}
+
+fun MessageDto.toDomain(currentUserId: String, baseUrl: String): Message {
+    val domainMediaType = when (type) {
+        "gif" -> MediaType.GIF
+        "image", "photo" -> MediaType.IMAGE
+        "video" -> MediaType.VIDEO
+        "audio", "voice" -> MediaType.AUDIO
+        "file" -> MediaType.FILE
+        else -> when (media.firstOrNull()?.type) {
+            "image", "photo" -> MediaType.IMAGE
+            "video" -> MediaType.VIDEO
+            "audio", "voice" -> MediaType.AUDIO
+            "file" -> MediaType.FILE
+            else -> MediaType.TEXT
+        }
+    }
+
+    return Message(
+        id = id,
+        chatId = chatId ?: "",
+        senderId = senderId ?: "",
+        senderName = sender?.displayName ?: "Unknown",
+        senderAvatar = sender?.avatarUrl?.ensureAbsoluteUrl(baseUrl),
+        content = content,
+        sequenceId = sequenceId ?: 0,
+        createdAt = createdAt ?: "",
+        media = media.map { 
+            chats.domain.model.Media(
+                id = it.id ?: java.util.UUID.randomUUID().toString(),
+                type = it.type ?: "unknown",
+                url = (it.url ?: "").ensureAbsoluteUrl(baseUrl),
+                filename = it.filename,
+                size = it.size,
+                duration = it.duration
+            )
+        },
+        mediaType = domainMediaType,
+        reactions = reactions?.associate { it.emoji to it.count } ?: emptyMap(),
+        isRead = senderId == currentUserId, 
+        isPinned = isPinned ?: false,
+        isForwarded = forwardedFromId != null,
+        forwardedFromName = forwardedFrom?.displayName ?: forwardedFrom?.username,
+        replyTo = replyTo?.toDomain(currentUserId, baseUrl)
+    )
+}
+
+fun String.ensureAbsoluteUrl(baseUrl: String): String {
+    return if (this.startsWith("http")) {
+        this
+    } else {
+        val base = baseUrl.removeSuffix("/")
+        val path = if (this.startsWith("/")) this else "/$this"
+        "$base$path"
+    }
+}

client-mobile/chats/di/ChatModule.kt

@@ -0,0 +1,42 @@
+package chats.di
+
+import chats.data.remote.api.ChatApi
+import chats.data.remote.signalr.ChatHubClient
+import chats.data.repository.ChatRepositoryImpl
+import chats.domain.repository.ChatRepository
+import core.network.ServerConfig
+import core.security.TokenManager
+import dagger.Module
+import dagger.Provides
+import dagger.hilt.InstallIn
+import dagger.hilt.components.SingletonComponent
+import retrofit2.Retrofit
+import javax.inject.Singleton
+
+@Module
+@InstallIn(SingletonComponent::class)
+object ChatModule {
+
+    @Provides
+    @Singleton
+    fun provideChatApi(retrofit: Retrofit): ChatApi {
+        return retrofit.create(ChatApi::class.java)
+    }
+
+    @Provides
+    @Singleton
+    fun provideChatRepository(
+        api: ChatApi, 
+        tokenManager: TokenManager, 
+        serverConfig: ServerConfig,
+        hubClient: chats.data.remote.signalr.ChatHubClient
+    ): ChatRepository {
+        return ChatRepositoryImpl(api, tokenManager, serverConfig, hubClient)
+    }
+
+    @Provides
+    @Singleton
+    fun provideChatHubClient(): ChatHubClient {
+        return ChatHubClient()
+    }
+}

client-mobile/chats/domain/model/ChatModels.kt

@@ -0,0 +1,13 @@
+package chats.domain.model
+
+import androidx.compose.runtime.Immutable
+
+@Immutable
+data class Chat(
+    val id: String,
+    val type: String,
+    val name: String,
+    val avatar: String?,
+    val unreadCount: Int,
+    val lastMessage: Message?
+)

client-mobile/chats/domain/model/Message.kt

@@ -0,0 +1,37 @@
+package chats.domain.model
+
+import androidx.compose.runtime.Immutable
+
+@Immutable
+data class Message(
+    val id: String,
+    val chatId: String,
+    val senderId: String,
+    val senderName: String,
+    val senderAvatar: String? = null,
+    val content: String?,
+    val sequenceId: Int,
+    val createdAt: String,
+    val media: List<Media> = emptyList(),
+    val mediaType: MediaType = MediaType.TEXT,
+    val reactions: Map<String, Int> = emptyMap(),
+    val isRead: Boolean = false,
+    val isPinned: Boolean = false,
+    val isForwarded: Boolean = false,
+    val forwardedFromName: String? = null,
+    val replyTo: Message? = null
+)
+
+@Immutable
+data class Media(
+    val id: String,
+    val type: String,
+    val url: String,
+    val filename: String? = null,
+    val size: Long? = null,
+    val duration: Double? = null
+)
+
+enum class MediaType {
+    TEXT, IMAGE, VIDEO, AUDIO, FILE, STORY_REPLY, GIF
+}

client-mobile/chats/domain/repository/ChatRepository.kt

@@ -0,0 +1,31 @@
+package chats.domain.repository
+
+import chats.domain.model.Chat
+import chats.domain.model.Message
+
+interface ChatRepository {
+    suspend fun getChats(): List<Chat>
+    fun getMessagesFlow(chatId: String): kotlinx.coroutines.flow.Flow<List<Message>>
+    suspend fun getMessages(chatId: String, cursor: String? = null, pivot: Long? = null, limit: Int? = null): List<Message>
+    suspend fun sendMessage(
+        chatId: String, 
+        content: String?, 
+        type: String = "text",
+        attachments: List<chats.data.remote.api.AttachmentRequest>? = null,
+        replyToId: String? = null,
+        forwardedFromId: String? = null
+    ): Message
+    suspend fun addReaction(messageId: String, emoji: String)
+    suspend fun sendTypingStatus(chatId: String)
+    suspend fun markMessagesAsRead(chatId: String, lastMessageId: String, lastReadSequenceId: Int)
+    suspend fun saveMessage(message: Message)
+    suspend fun deleteLocalMessage(messageId: String)
+    suspend fun uploadMedia(file: java.io.File): String
+    suspend fun getTrendingGifs(page: Int = 0): List<chats.data.remote.api.KlipyGifDto>
+    suspend fun searchGifs(query: String, page: Int = 0): List<chats.data.remote.api.KlipyGifDto>
+    suspend fun getGifCategories(): List<chats.data.remote.api.GifCategoryDto>
+    suspend fun createPersonalChat(userId: String): Chat
+    suspend fun deleteMessage(messageId: String, forEveryone: Boolean)
+    suspend fun editMessage(messageId: String, content: String): Message
+}
+

client-mobile/chats/domain/usecase/UploadMediaUseCase.kt

@@ -0,0 +1,24 @@
+package chats.domain.usecase
+
+import chats.data.remote.api.ChatApi
+import chats.data.remote.api.FileUploadResponse
+import okhttp3.MediaType.Companion.toMediaTypeOrNull
+import okhttp3.MultipartBody
+import okhttp3.RequestBody.Companion.asRequestBody
+import java.io.File
+import javax.inject.Inject
+
+class UploadMediaUseCase @Inject constructor(
+    private val api: ChatApi
+) {
+    suspend operator fun invoke(file: File): Result<FileUploadResponse> {
+        return try {
+            val requestFile = file.asRequestBody("image/*".toMediaTypeOrNull())
+            val body = MultipartBody.Part.createFormData("file", file.name, requestFile)
+            val response = api.uploadFile(body)
+            Result.success(response)
+        } catch (e: Exception) {
+            Result.failure(e)
+        }
+    }
+}

client-mobile/chats/presentation/chat_detail/ChatDetailViewModel.kt

@@ -0,0 +1,803 @@
+package chats.presentation.chat_detail
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import chats.data.remote.signalr.ChatEvent
+import chats.data.remote.signalr.ChatHubClient
+import chats.data.repository.toDomain
+import chats.domain.model.Message
+import chats.domain.repository.ChatRepository
+import core.network.ServerConfig
+import core.security.TokenManager
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.flow.*
+import kotlinx.coroutines.launch
+import java.io.File
+import javax.inject.Inject
+import core.utils.copyUriToFile
+import core.utils.ImageUtils
+
+import chats.data.remote.api.KlipyGifDto
+
+data class ChatDetailState(
+    val messages: List<Message> = emptyList(),
+    val chatName: String? = null,
+    val chatAvatar: String? = null,
+    val isLoading: Boolean = false,
+    val isLoadingMore: Boolean = false,
+    val isTyping: Boolean = false,
+    val typingUser: String? = null,
+    val error: String? = null,
+    val canCall: Boolean = true,
+    val maxFileSize: Long = 100 * 1024 * 1024,
+    val trendingGifs: List<KlipyGifDto> = emptyList(),
+    val searchedGifs: List<KlipyGifDto> = emptyList(),
+    val recentGifs: List<KlipyGifDto> = emptyList(),
+    val gifCategories: List<chats.data.remote.api.GifCategoryDto> = emptyList(),
+    val isGifsLoading: Boolean = false,
+    val initialScrollIndex: Int? = null,
+    val pendingAttachments: List<File> = emptyList(),
+    val isUploading: Boolean = false,
+    val isCompressionEnabled: Boolean = true,
+    val inputText: String = "",
+    val replyingMessage: Message? = null,
+    val editingMessage: Message? = null,
+    val forwardingMessages: List<Message> = emptyList(),
+    val availableChatsToForward: List<chats.domain.model.Chat> = emptyList(),
+    val selectedMessageIds: Set<String> = emptySet(),
+    val pinnedMessages: List<Message> = emptyList()
+)
+
+@HiltViewModel
+class ChatDetailViewModel @Inject constructor(
+    private val repository: ChatRepository,
+    private val signalrClient: ChatHubClient,
+    private val serverConfig: ServerConfig,
+    private val tokenManager: TokenManager,
+    private val activeChatTracker: core.notifications.data.ActiveChatTracker,
+    private val signalrNotificationObserver: chats.data.remote.signalr.SignalRNotificationObserver,
+    @dagger.hilt.android.qualifiers.ApplicationContext private val context: android.content.Context
+) : ViewModel() {
+
+    private val _state = MutableStateFlow(ChatDetailState())
+    val state: StateFlow<ChatDetailState> = _state.asStateFlow()
+
+    private var currentChatId: String? = null
+    private var typingTimerJob: Job? = null
+    private var signalrEventsJob: Job? = null
+    private var lastTypingSentTime: Long = 0
+
+    private val prefs = context.getSharedPreferences("chat_settings", android.content.Context.MODE_PRIVATE)
+
+    init {
+        val config = serverConfig.getServerConfig()
+        val savedCompression = prefs.getBoolean("compression_enabled", true)
+        _state.update { it.copy(
+            canCall = config.features.calls,
+            maxFileSize = config.limits.maxFileSize,
+            isCompressionEnabled = savedCompression
+        ) }
+    }
+
+    fun toggleCompression() {
+        _state.update { currentState ->
+            val newValue = !currentState.isCompressionEnabled
+            prefs.edit().putBoolean("compression_enabled", newValue).apply()
+            currentState.copy(isCompressionEnabled = newValue)
+        }
+    }
+
+    fun getCurrentUserId(): String {
+        return tokenManager.getUserId() ?: ""
+    }
+
+    fun setChatId(chatId: String) {
+        if (currentChatId == chatId) return
+        currentChatId = chatId
+        activeChatTracker.setChatId(chatId)
+        
+        _state.update { it.copy(
+            messages = emptyList(),
+            isLoading = true,
+            initialScrollIndex = null
+        ) }
+        
+        // Ensure SignalR is connected and join the chat room
+        val token = tokenManager.getToken()
+        val baseUrl = serverConfig.getBaseUrl()
+        if (token != null && baseUrl.isNotBlank()) {
+            signalrClient.connect(baseUrl.removeSuffix("/api/"), token)
+            signalrClient.joinChat(chatId)
+        }
+        
+        loadChatInfo(chatId)
+        observeSignalREvents(chatId)
+        
+        // Initial sync from network
+        refreshMessages(chatId)
+    }
+
+    private fun updateMessages(messages: List<Message>) {
+        val sortedMessages = messages.sortedByDescending { it.sequenceId }
+        _state.update { it.copy(
+            messages = sortedMessages,
+            isLoading = false,
+            initialScrollIndex = 0 // In reverse layout, 0 is the bottom
+        ) }
+    }
+
+    fun onInitialScrollDone() {
+        _state.update { it.copy(initialScrollIndex = -1) }
+    }
+
+    fun refreshMessages(chatId: String) {
+        viewModelScope.launch {
+            val messages = repository.getMessages(chatId)
+            updateMessages(messages)
+        }
+    }
+
+    fun loadMoreMessages() {
+        val chatId = currentChatId ?: return
+        if (_state.value.isLoading || _state.value.isLoadingMore) return
+        
+        val oldestMsg = _state.value.messages.lastOrNull() ?: return
+        
+        viewModelScope.launch {
+            _state.update { it.copy(isLoadingMore = true) }
+            try {
+                android.util.Log.d("ChatDetailVM", "Loading more history before seqId: ${oldestMsg.sequenceId}")
+                val moreMessages = repository.getMessages(chatId, cursor = oldestMsg.sequenceId.toString())
+                if (moreMessages.isNotEmpty()) {
+                    val newSorted = moreMessages.sortedByDescending { it.sequenceId }
+                    _state.update { currentState ->
+                        // Избегаем дубликатов
+                        val existingIds = currentState.messages.map { it.id }.toSet()
+                        val uniqueMore = newSorted.filter { it.id !in existingIds }
+                        currentState.copy(messages = currentState.messages + uniqueMore)
+                    }
+                }
+            } finally {
+                _state.update { it.copy(isLoadingMore = false) }
+            }
+        }
+    }
+
+    private fun loadChatInfo(chatId: String) {
+        viewModelScope.launch {
+            try {
+                val chats = repository.getChats()
+                val chat = chats.find { it.id == chatId }
+                chat?.let { c ->
+                    _state.update { it.copy(chatName = c.name, chatAvatar = c.avatar) }
+                }
+            } catch (e: Exception) {
+                // Ignore info load error
+            }
+        }
+    }
+
+    private fun updateMessageReaction(messageId: String, userId: String, emoji: String) {
+        _state.update { s ->
+            val updatedMessages = s.messages.map { msg ->
+                if (msg.id == messageId) {
+                    val currentReactions = msg.reactions.toMutableMap()
+                    currentReactions[emoji] = (currentReactions[emoji] ?: 0) + 1
+                    msg.copy(reactions = currentReactions)
+                } else msg
+            }
+            s.copy(messages = updatedMessages)
+        }
+    }
+    
+    // For handling reaction removed event
+    private fun removeMessageReaction(messageId: String, userId: String, emoji: String) {
+        _state.update { s ->
+            val updatedMessages = s.messages.map { msg ->
+                if (msg.id == messageId) {
+                    val currentReactions = msg.reactions.toMutableMap()
+                    val count = currentReactions[emoji] ?: 0
+                    if (count > 1) {
+                        currentReactions[emoji] = count - 1
+                    } else {
+                        currentReactions.remove(emoji)
+                    }
+                    msg.copy(reactions = currentReactions)
+                } else msg
+            }
+            s.copy(messages = updatedMessages)
+        }
+    }
+
+    private fun observeSignalREvents(chatId: String) {
+        signalrEventsJob?.cancel()
+        signalrEventsJob = signalrClient.events
+            .onEach { android.util.Log.d("ChatDetailVM", "Received SignalR event: $it for chat: $chatId") }
+            .filter { event -> 
+                val eventChatId = when(event) {
+                    is ChatEvent.NewMessage -> event.message.chatId
+                    is ChatEvent.ReactionUpdated -> event.chatId
+                    is ChatEvent.UserTyping -> event.chatId
+                    is ChatEvent.MessagesRead -> event.chatId
+                    else -> null
+                }
+                
+                if (eventChatId == null) return@filter false
+                
+                val match = eventChatId == chatId || eventChatId.contains(chatId) || chatId.contains(eventChatId)
+                if (match) {
+                    android.util.Log.d("ChatDetailVM", "Event MATCHED chat $chatId: $event")
+                }
+                match
+            }
+            .onEach { event ->
+                when (event) {
+                    is ChatEvent.NewMessage -> {
+                        android.util.Log.d("ChatDetailVM", "New message added to bottom, NOT marking as read automatically")
+                        val baseUrl = serverConfig.getBaseUrl().removeSuffix("/api/")
+                        val domainMsg = event.message.toDomain(getCurrentUserId(), baseUrl)
+                        
+                        _state.update { currentState ->
+                            if (currentState.messages.any { it.id == domainMsg.id }) return@update currentState
+                            currentState.copy(messages = listOf(domainMsg) + currentState.messages)
+                        }
+                    }
+                    is ChatEvent.ReactionUpdated -> {
+                        if (event.isRemoved) {
+                            removeMessageReaction(event.messageId, event.userId, event.emoji)
+                        } else {
+                            updateMessageReaction(event.messageId, event.userId, event.emoji)
+                        }
+                    }
+                    is ChatEvent.MessageDeleted -> {
+                        _state.update { currentState ->
+                            currentState.copy(messages = currentState.messages.filter { it.id != event.messageId })
+                        }
+                    }
+                    is ChatEvent.MessageEdited -> {
+                        _state.update { currentState ->
+                            val updated = currentState.messages.map { msg ->
+                                if (msg.id == event.messageId) msg.copy(content = event.content) else msg
+                            }
+                            currentState.copy(messages = updated)
+                        }
+                    }
+                    is ChatEvent.UserTyping -> {
+                        _state.update { it.copy(isTyping = true) }
+                        typingTimerJob?.cancel()
+                        typingTimerJob = viewModelScope.launch {
+                            delay(3000)
+                            _state.update { it.copy(isTyping = false) }
+                        }
+                    }
+                    is ChatEvent.UserStoppedTyping -> {
+                        _state.update { it.copy(isTyping = false) }
+                    }
+                    is ChatEvent.MessagesRead -> {
+                        _state.update { currentState ->
+                            val updatedMessages = currentState.messages.map { msg ->
+                                if (msg.sequenceId <= event.lastReadSequenceId) {
+                                    msg.copy(isRead = true)
+                                } else msg
+                            }
+                            currentState.copy(messages = updatedMessages)
+                        }
+                    }
+                    is ChatEvent.MessagePinned -> {
+                        val baseUrl = serverConfig.getBaseUrl().removeSuffix("/api/")
+                        _state.update { s ->
+                            val domainMsg = event.message.toDomain(getCurrentUserId(), baseUrl)
+                            s.copy(pinnedMessages = (s.pinnedMessages + domainMsg).distinctBy { it.id })
+                        }
+                    }
+                    is ChatEvent.MessageUnpinned -> {
+                        _state.update { s ->
+                            s.copy(pinnedMessages = s.pinnedMessages.filter { it.id != event.messageId })
+                        }
+                    }
+                    else -> Unit
+                }
+            }
+            .launchIn(viewModelScope)
+    }
+
+    fun clearChatId() {
+        android.util.Log.d("ChatDetailVM", "KILLING ALL SESSION JOBS for $currentChatId")
+        signalrEventsJob?.cancel()
+        signalrEventsJob = null
+        currentChatId = null
+        activeChatTracker.setChatId(null)
+        _state.update { it.copy(messages = emptyList(), isLoading = false) }
+    }
+
+    fun markAsRead() {
+        val chatId = currentChatId ?: return
+        val messages = _state.value.messages
+        if (messages.isEmpty()) return
+        
+        // В нашем reverseLayout (newest first) первое сообщение - самое новое от собеседника
+        val currentUserId = getCurrentUserId()
+        val lastMessageFromOther = messages.firstOrNull { it.senderId != currentUserId } ?: return
+        
+        viewModelScope.launch {
+            try {
+                // Мгновенно обновляем в памяти для "галочек"
+                _state.update { currentState ->
+                    val updatedMessages = currentState.messages.map { msg ->
+                        if (msg.senderId != currentUserId && msg.sequenceId <= lastMessageFromOther.sequenceId) {
+                            msg.copy(isRead = true)
+                        } else msg
+                    }
+                    currentState.copy(messages = updatedMessages)
+                }
+                repository.markMessagesAsRead(chatId, lastMessageFromOther.id, lastMessageFromOther.sequenceId)
+                signalrNotificationObserver.refresh()
+            } catch (e: Exception) {
+                // Ignore
+            }
+        }
+    }
+
+    fun onInputTextChanged(text: String) {
+        _state.update { it.copy(inputText = text) }
+        
+        val chatId = currentChatId ?: return
+        
+        // Отправляем индикатор набора текста
+        val now = System.currentTimeMillis()
+        if (now - lastTypingSentTime > 1000) {
+            signalrClient.sendTypingIndicator(chatId)
+            lastTypingSentTime = now
+            
+            // Отправляем "остановился печатать" через 3 секунды
+            typingTimerJob?.cancel()
+            typingTimerJob = viewModelScope.launch {
+                delay(3000)
+                signalrClient.sendUserStoppedTyping(chatId)
+            }
+        }
+    }
+
+
+    fun onReply(message: Message) {
+        _state.update { it.copy(replyingMessage = message) }
+    }
+
+    fun forwardMessages(targetChatId: String, messages: List<Message>) {
+        viewModelScope.launch {
+            messages.forEach { msg ->
+                repository.sendMessage(
+                    chatId = targetChatId,
+                    content = msg.content,
+                    type = msg.mediaType.name.lowercase(),
+                    forwardedFromId = msg.senderId
+                )
+            }
+        }
+    }
+
+    fun onForward(message: Message) {
+        _state.update { it.copy(forwardingMessages = listOf(message)) }
+        loadChatsForForwarding()
+    }
+
+    fun loadChatsForForwarding() {
+        viewModelScope.launch {
+            try {
+                val chats = repository.getChats()
+                _state.update { it.copy(availableChatsToForward = chats) }
+            } catch (e: Exception) {
+                // Ignore
+            }
+        }
+    }
+
+    fun cancelForwarding() {
+        _state.update { it.copy(forwardingMessages = emptyList(), availableChatsToForward = emptyList()) }
+    }
+
+    fun onForwardSelectedMessages() {
+        val selectedIds = _state.value.selectedMessageIds
+        val messages = _state.value.messages.filter { selectedIds.contains(it.id) }
+        _state.update { it.copy(forwardingMessages = messages) }
+        loadChatsForForwarding()
+    }
+
+    fun toggleSelection(messageId: String) {
+        _state.update { s ->
+            val newSelection = if (s.selectedMessageIds.contains(messageId)) {
+                s.selectedMessageIds - messageId
+            } else {
+                s.selectedMessageIds + messageId
+            }
+            s.copy(selectedMessageIds = newSelection)
+        }
+    }
+
+    fun clearSelection() {
+        _state.update { it.copy(selectedMessageIds = emptySet()) }
+    }
+
+    fun cancelReply() {
+        _state.update { it.copy(replyingMessage = null) }
+    }
+
+    fun cancelEdit() {
+        _state.update { it.copy(editingMessage = null, inputText = "") }
+    }
+
+    fun deleteMessage(message: Message, forEveryone: Boolean) {
+        viewModelScope.launch {
+            try {
+                repository.deleteMessage(message.id, forEveryone)
+                // Local update if needed (will also come via SignalR for everyone, but forMe might need local only update)
+                _state.update { currentState ->
+                    currentState.copy(messages = currentState.messages.filter { it.id != message.id })
+                }
+            } catch (e: Exception) {
+                _state.update { it.copy(error = "Delete failed: ${e.localizedMessage}") }
+            }
+        }
+    }
+
+    fun onEdit(message: Message) {
+        _state.update { it.copy(editingMessage = message, inputText = message.content ?: "", replyingMessage = null) }
+    }
+
+    fun pinMessage(messageId: String) {
+        val chatId = currentChatId ?: return
+        signalrClient.pinMessage(messageId, chatId)
+    }
+
+    fun unpinMessage(messageId: String) {
+        val chatId = currentChatId ?: return
+        signalrClient.unpinMessage(messageId, chatId)
+    }
+
+    fun onPin(message: Message) {
+        pinMessage(message.id)
+    }
+
+    fun sendMessage(onFail: (String) -> Unit = {}) {
+        val chatId = currentChatId ?: return
+        val text = _state.value.inputText
+        val pending = _state.value.pendingAttachments
+        val replyToId = _state.value.replyingMessage?.id
+        val editingMsg = _state.value.editingMessage
+        if (text.isBlank() && pending.isEmpty()) return
+
+        // Handle Edit
+        if (editingMsg != null) {
+            _state.update { it.copy(inputText = "", editingMessage = null) }
+            viewModelScope.launch {
+                try {
+                    val updated = repository.editMessage(editingMsg.id, text)
+                    _state.update { currentState ->
+                        val updatedList = currentState.messages.map { 
+                            if (it.id == updated.id) updated else it 
+                        }
+                        currentState.copy(messages = updatedList)
+                    }
+                } catch (e: Exception) {
+                    _state.update { it.copy(error = "Edit failed: ${e.localizedMessage}") }
+                    onFail(text)
+                }
+            }
+            return
+        }
+
+        // Clear input immediately to avoid double clicks and ensure UI experience
+        _state.update { it.copy(inputText = "", replyingMessage = null) }
+
+        val tempId = "temp_${System.currentTimeMillis()}"
+        val userId = getCurrentUserId()
+
+        // Determine mediaType based on attachments
+        val mediaType = when {
+            pending.isEmpty() -> chats.domain.model.MediaType.TEXT
+            pending.any { it.extension.lowercase() in listOf("jpg", "jpeg", "png", "webp", "gif") } -> chats.domain.model.MediaType.IMAGE
+            pending.any { it.extension.lowercase() in listOf("mp4", "mov", "webm") } -> chats.domain.model.MediaType.VIDEO
+            else -> chats.domain.model.MediaType.TEXT
+        }
+
+        val tempMessage = Message(
+            id = tempId,
+            chatId = chatId,
+            senderId = userId,
+            content = if (text.isBlank()) null else text,
+            createdAt = java.util.Date().toString(),
+            mediaType = mediaType,
+            media = emptyList(),
+            senderName = "Вы",
+            senderAvatar = null,
+            reactions = emptyMap(),
+            isRead = false,
+            sequenceId = 0
+        )
+
+        viewModelScope.launch {
+            repository.saveMessage(tempMessage)
+        }
+
+        viewModelScope.launch {
+            try {
+                // Upload attachments if any
+                val attachmentRequests = if (_state.value.pendingAttachments.isNotEmpty()) {
+                    _state.update { it.copy(isUploading = true) }
+                    val requests = _state.value.pendingAttachments.map { file ->
+                        val url = repository.uploadMedia(file)
+                        chats.data.remote.api.AttachmentRequest(
+                            type = when {
+                                file.extension.lowercase() in listOf("jpg", "jpeg", "png", "webp", "gif", "heic", "heif") -> "image"
+                                file.extension.lowercase() in listOf("mp4", "mov", "3gp", "mkv", "webm") -> "video"
+                                file.extension.lowercase() in listOf("mp3", "m4a", "wav", "aac", "ogg") -> "audio"
+                                else -> "file"
+                            },
+                            url = url,
+                            fileName = file.name,
+                            fileSize = file.length()
+                        )
+                    }
+                    _state.update { it.copy(isUploading = false, pendingAttachments = emptyList()) }
+                    requests
+                } else {
+                    null
+                }
+
+                val sentMessage = repository.sendMessage(
+                    chatId = chatId, 
+                    content = if (text.isBlank()) null else text,
+                    type = if (attachmentRequests != null) "media" else "text",
+                    attachments = attachmentRequests,
+                    replyToId = replyToId
+                )
+                repository.deleteLocalMessage(tempId)
+                repository.saveMessage(sentMessage)
+                // Clear attachments on success
+                _state.update { it.copy(pendingAttachments = emptyList()) }
+            } catch (e: Exception) {
+                repository.deleteLocalMessage(tempId)
+                _state.update { it.copy(error = e.localizedMessage, isUploading = false) }
+                onFail(text)
+            }
+        }
+    }
+
+    fun addReaction(messageId: String, emoji: String) {
+        val chatId = currentChatId ?: return
+        
+        // We rely on SignalR event to update the count to avoid double counting
+        // especially since domain Message doesn't track user IDs for reactions yet.
+        signalrClient.addReaction(messageId, chatId, emoji)
+    }
+
+    fun sendVoiceMessage(file: File) {
+        val chatId = currentChatId ?: return
+        val replyToId = _state.value.replyingMessage?.id
+        _state.update { it.copy(replyingMessage = null) }
+        
+        val tempId = "temp_voice_${System.currentTimeMillis()}"
+        val userId = getCurrentUserId()
+
+        val tempMessage = Message(
+            id = tempId,
+            chatId = chatId,
+            senderId = userId,
+            content = null,
+            createdAt = java.util.Date().toString(),
+            mediaType = chats.domain.model.MediaType.AUDIO,
+            media = emptyList(),
+            senderName = "Вы",
+            reactions = emptyMap(),
+            isRead = false,
+            sequenceId = 0
+        )
+
+        viewModelScope.launch {
+            repository.saveMessage(tempMessage)
+        }
+
+        viewModelScope.launch {
+            try {
+                // 1. Upload the audio file
+                val url = repository.uploadMedia(file)
+                
+                // 2. Send the message with the attachment
+                val attachment = chats.data.remote.api.AttachmentRequest(
+                    type = "voice",
+                    url = url,
+                    fileName = file.name,
+                    fileSize = file.length()
+                )
+                
+                val sentMessage = repository.sendMessage(
+                    chatId = chatId,
+                    content = null,
+                    type = "audio",
+                    attachments = listOf(attachment),
+                    replyToId = replyToId
+                )
+
+                repository.deleteLocalMessage(tempId)
+                repository.saveMessage(sentMessage)
+            } catch (e: Exception) {
+                repository.deleteLocalMessage(tempId)
+                _state.update { it.copy(error = "Ошибка отправки голосового: ${e.localizedMessage}") }
+            }
+        }
+    }
+
+    fun addPendingAttachment(uri: android.net.Uri, context: android.content.Context) {
+        viewModelScope.launch {
+            val mimeType = context.contentResolver.getType(uri) ?: ""
+            val file = if (_state.value.isCompressionEnabled && mimeType.startsWith("image")) {
+                ImageUtils.compressImage(context, uri)
+            } else {
+                copyUriToFile(context, uri)
+            }
+            
+            file?.let { f ->
+                _state.update { it.copy(pendingAttachments = it.pendingAttachments + f) }
+            }
+        }
+    }
+
+    fun formatDateHeader(dateString: String): String {
+        return try {
+            // Парсим ISO 8601 (например 2024-04-14T20:56:00Z)
+            val isoFormat = java.text.SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss", java.util.Locale.US).apply {
+                timeZone = java.util.TimeZone.getTimeZone("UTC")
+            }
+            val date = isoFormat.parse(dateString) ?: return dateString
+            
+            // Форматируем в локальное время: "14 апреля"
+            java.text.SimpleDateFormat("d MMMM", java.util.Locale("ru")).format(date)
+        } catch (e: Exception) {
+            dateString
+        }
+    }
+
+    fun getLocalDateString(isoDate: String): String {
+        return try {
+            val isoFormat = java.text.SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss", java.util.Locale.US).apply {
+                timeZone = java.util.TimeZone.getTimeZone("UTC")
+            }
+            val date = isoFormat.parse(isoDate) ?: return isoDate
+            // Возвращаем просто дату YYYY-MM-DD в локальном часовом поясе для группировки
+            java.text.SimpleDateFormat("yyyy-MM-dd", java.util.Locale.getDefault()).format(date)
+        } catch (e: Exception) {
+            isoDate.split("T").first()
+        }
+    }
+
+    fun removePendingAttachment(file: File) {
+        _state.update { it.copy(pendingAttachments = it.pendingAttachments - file) }
+    }
+
+    fun uploadMedia(file: File) {
+        if (file.length() > _state.value.maxFileSize) {
+            _state.update { it.copy(error = "File too large") }
+            return
+        }
+        viewModelScope.launch {
+             try {
+                 val url = repository.uploadMedia(file)
+                 // After upload, we might want to send a message with this media
+                 // For now, let's just log it or handle as per app requirements
+             } catch (e: Exception) {
+                 _state.update { it.copy(error = e.localizedMessage) }
+             }
+        }
+    }
+
+    fun loadTrendingGifs() {
+        if (_state.value.trendingGifs.isNotEmpty()) return 
+        
+        viewModelScope.launch {
+            _state.update { it.copy(isGifsLoading = true) }
+            try {
+                val gifs = repository.getTrendingGifs(0)
+                _state.update { it.copy(trendingGifs = gifs, isGifsLoading = false) }
+            } catch (e: Exception) {
+                _state.update { it.copy(isGifsLoading = false, error = "GIF load error: ${e.message}") }
+            }
+        }
+    }
+
+    fun loadGifCategories() {
+        if (_state.value.gifCategories.isNotEmpty()) return
+        viewModelScope.launch {
+            try {
+                val categories = repository.getGifCategories()
+                _state.update { it.copy(gifCategories = categories) }
+            } catch (e: Exception) {
+                // Ignore failure
+            }
+        }
+    }
+
+    private var searchJob: Job? = null
+    fun searchGifs(query: String) {
+        searchJob?.cancel()
+        if (query.isBlank()) {
+            _state.update { it.copy(searchedGifs = emptyList()) }
+            return
+        }
+        searchJob = viewModelScope.launch {
+            delay(500)
+            _state.update { it.copy(isGifsLoading = true) }
+            try {
+                val gifs = repository.searchGifs(query, 0)
+                _state.update { it.copy(searchedGifs = gifs, isGifsLoading = false) }
+            } catch (e: Exception) {
+                _state.update { it.copy(isGifsLoading = false) }
+            }
+        }
+    }
+
+    fun sendGif(url: String) {
+        val chatId = currentChatId ?: return
+        val replyToId = _state.value.replyingMessage?.id
+        _state.update { it.copy(replyingMessage = null) }
+
+        val tempId = "temp_gif_${System.currentTimeMillis()}"
+        val userId = getCurrentUserId()
+
+        val tempMessage = Message(
+            id = tempId,
+            chatId = chatId,
+            senderId = userId,
+            content = url,
+            createdAt = java.util.Date().toString(),
+            mediaType = chats.domain.model.MediaType.IMAGE, // We map GIF to IMAGE for rendering
+            media = listOf(chats.domain.model.Media(url = url, type = "image", id = "temp_media")),
+            senderName = "Вы",
+            senderAvatar = null,
+            reactions = emptyMap(),
+            isRead = false,
+            sequenceId = 0
+        )
+
+        viewModelScope.launch {
+            repository.saveMessage(tempMessage)
+        }
+
+        viewModelScope.launch {
+            try {
+                val attachment = chats.data.remote.api.AttachmentRequest(
+                    type = "image",
+                    url = url,
+                    fileName = "gif.gif",
+                    fileSize = 0
+                )
+                val sentMessage = repository.sendMessage(chatId, null, "image", listOf(attachment), replyToId)
+                
+                repository.deleteLocalMessage(tempId)
+                repository.saveMessage(sentMessage)
+
+                // Add to recent
+                val allGifs = _state.value.trendingGifs + _state.value.searchedGifs + _state.value.recentGifs
+                val selectedGif = allGifs.find { gif ->
+                    val gifUrl = gif.files?.get("hd")?.get("gif")?.url 
+                        ?: gif.files?.get("sd")?.get("gif")?.url 
+                        ?: gif.file?.get("hd")?.get("gif")?.url 
+                        ?: gif.file?.get("sd")?.get("gif")?.url 
+                        ?: gif.media_formats?.get("gif")?.url 
+                        ?: gif.images?.original?.url
+                    gifUrl == url
+                }
+                
+                selectedGif?.let { gif ->
+                    val newList = (listOf(gif) + _state.value.recentGifs).distinctBy { it.id }.take(20)
+                    _state.update { it.copy(recentGifs = newList) }
+                }
+            } catch (e: Exception) {
+                repository.deleteLocalMessage(tempId)
+                _state.update { it.copy(error = e.localizedMessage) }
+            }
+        }
+    }
+}
+

client-mobile/chats/presentation/chat_list/ChatListScreen.kt

@@ -0,0 +1,127 @@
+package chats.presentation.chat_list
+
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.items
+import androidx.compose.foundation.lazy.LazyRow
+import androidx.compose.material3.*
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.dp
+import chats.presentation.components.ChatItem
+import stories.presentation.StoryViewModel
+import stories.presentation.components.StoryThumbnail
+import ru.knot.messager.R
+
+@Composable
+fun HorizontalDividerComponent(
+    modifier: Modifier = Modifier,
+    thickness: androidx.compose.ui.unit.Dp = 1.dp,
+    color: androidx.compose.ui.graphics.Color = MaterialTheme.colorScheme.outlineVariant
+) {
+    androidx.compose.material3.Divider(
+        modifier = modifier,
+        thickness = thickness,
+        color = color
+    )
+}
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun ChatListScreen(
+    viewModel: ChatListViewModel,
+    storyViewModel: StoryViewModel,
+    onChatClick: (String) -> Unit,
+    onStoryClick: (Int) -> Unit
+) {
+    val state by viewModel.state.collectAsState()
+    val storyState by storyViewModel.state.collectAsState()
+
+    androidx.compose.runtime.LaunchedEffect(Unit) {
+        viewModel.loadChats()
+    }
+
+    Scaffold(
+        topBar = {
+            TopAppBar(
+                title = { Text(stringResource(R.string.chats_title), fontWeight = FontWeight.Bold) },
+                colors = TopAppBarDefaults.topAppBarColors(
+                    containerColor = Color.Transparent,
+                    titleContentColor = Color.White
+                )
+            )
+        }
+    ) { paddingValues ->
+        Box(
+            modifier = Modifier
+                .fillMaxSize()
+                .padding(paddingValues)
+        ) {
+            if (state.isLoading && state.chats.isEmpty()) {
+                CircularProgressIndicator(modifier = Modifier.align(Alignment.Center))
+            } else {
+                LazyColumn {
+                    // Ряд историй сверху списка чатов
+                    item {
+                        if (state.isStoriesEnabled && storyState.storyGroups.isNotEmpty()) {
+                            LazyRow(
+                                modifier = Modifier
+                                    .fillMaxWidth()
+                                    .padding(vertical = 8.dp),
+                                contentPadding = PaddingValues(horizontal = 8.dp)
+                            ) {
+                                items(storyState.storyGroups.size) { index ->
+                                    val group = storyState.storyGroups[index]
+                                    StoryThumbnail(
+                                        username = group.username,
+                                        avatarUrl = group.avatar,
+                                        hasUnseen = true, // В идеале проверяем по статусам
+                                        onClick = { onStoryClick(index) }
+                                    )
+                                }
+                            }
+                            HorizontalDividerComponent(
+                                thickness = 0.5.dp,
+                                color = MaterialTheme.colorScheme.outlineVariant
+                            )
+                        }
+                    }
+
+                    if (state.error != null && state.chats.isEmpty()) {
+                        item {
+                            Text(
+                                text = "${stringResource(R.string.error_occurred)}: ${state.error}",
+                                color = MaterialTheme.colorScheme.error,
+                                modifier = Modifier.padding(16.dp)
+                            )
+                        }
+                    } else if (state.chats.isEmpty() && !state.isLoading) {
+                        item {
+                            Box(modifier = Modifier.fillParentMaxSize()) {
+                                Text(
+                                    text = stringResource(R.string.no_chats_found),
+                                    modifier = Modifier.align(Alignment.Center)
+                                )
+                            }
+                        }
+                    } else {
+                        items(state.chats) { chat ->
+                            ChatItem(chat = chat, onClick = onChatClick)
+                            HorizontalDividerComponent(
+                                modifier = Modifier.padding(horizontal = 16.dp),
+                                thickness = 0.5.dp,
+                                color = MaterialTheme.colorScheme.outlineVariant
+                            )
+                        }
+                    }
+                }
+            }
+        }
+    }
+}

client-mobile/chats/presentation/chat_list/ChatListViewModel.kt

@@ -0,0 +1,156 @@
+package chats.presentation.chat_list
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import chats.domain.model.Chat
+import chats.domain.repository.ChatRepository
+import chats.data.remote.signalr.ChatHubClient
+import chats.data.remote.signalr.ChatEvent
+import core.network.ServerConfig
+import core.security.TokenManager
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.flow.*
+import kotlinx.coroutines.launch
+import javax.inject.Inject
+import chats.data.repository.toDomain
+
+data class ChatListState(
+    val chats: List<Chat> = emptyList(),
+    val isLoading: Boolean = false,
+    val error: String? = null,
+    val isStoriesEnabled: Boolean = true
+)
+
+@HiltViewModel
+class ChatListViewModel @Inject constructor(
+    private val repository: ChatRepository,
+    private val authRepository: auth.domain.repository.AuthRepository,
+    private val signalrClient: ChatHubClient,
+    private val serverConfig: ServerConfig,
+    private val tokenManager: TokenManager
+) : ViewModel() {
+
+    private val _state = MutableStateFlow(ChatListState())
+    val state: StateFlow<ChatListState> = _state.asStateFlow()
+
+    init {
+        updatePushToken()
+        
+        val isStoriesEnabled = try {
+            serverConfig.getServerConfig().features.stories
+        } catch (e: Exception) {
+            true
+        }
+        _state.update { it.copy(isStoriesEnabled = isStoriesEnabled) }
+        
+        val token = tokenManager.getToken()
+        val baseUrl = serverConfig.getBaseUrl()
+        
+        // Подключаемся к SignalR только если есть токен И введён URL сервера
+        if (token != null && baseUrl.isNotBlank()) {
+            signalrClient.connect(baseUrl.removeSuffix("/api/"), token)
+        }
+        
+        loadChats()
+        observeSignalREvents()
+    }
+
+    private fun updatePushToken() {
+        com.google.firebase.messaging.FirebaseMessaging.getInstance().token.addOnCompleteListener { task ->
+            if (task.isSuccessful) {
+                val token = task.result
+                viewModelScope.launch {
+                    try {
+                        authRepository.updatePushToken(token)
+                    } catch (e: Exception) {
+                        android.util.Log.e("ChatListVM", "Failed to update push token: ${e.message}")
+                    }
+                }
+            }
+        }
+    }
+
+
+    private fun getCurrentUserId(): String = tokenManager.getUserId() ?: ""
+
+    fun loadChats() {
+        viewModelScope.launch {
+            _state.update { it.copy(isLoading = true) }
+            try {
+                val chats = repository.getChats()
+                _state.update { it.copy(chats = sortChats(chats), isLoading = false) }
+            } catch (e: Exception) {
+                _state.update { it.copy(isLoading = false, error = e.message) }
+            }
+        }
+    }
+
+    private fun sortChats(chats: List<Chat>): List<Chat> {
+        return chats.sortedWith(compareByDescending<Chat> { 
+            it.name.equals("Избранное", ignoreCase = true) || it.name.equals("Saved Messages", ignoreCase = true)
+        }.thenByDescending { it.lastMessage?.createdAt })
+    }
+
+    private fun observeSignalREvents() {
+        signalrClient.events
+            .onEach { event ->
+                when (event) {
+                    is ChatEvent.NewMessage -> {
+                        updateChatsWithNewMessage(event)
+                    }
+                    is ChatEvent.NewChat -> {
+                        val currentUserId = getCurrentUserId()
+                        val baseUrl = serverConfig.getBaseUrl().removeSuffix("/api/")
+                        _state.update { it.copy(chats = listOf(event.chat.toDomain(currentUserId, baseUrl)) + it.chats) }
+                    }
+                    is ChatEvent.MessagesRead -> {
+                        if (event.userId == getCurrentUserId()) {
+                            _state.update { currentState ->
+                                val updatedChats = currentState.chats.map { chat ->
+                                    if (chat.id == event.chatId) {
+                                        chat.copy(unreadCount = 0)
+                                    } else chat
+                                }
+                                currentState.copy(chats = sortChats(updatedChats))
+                            }
+                        }
+                    }
+                    else -> Unit
+                }
+            }
+            .launchIn(viewModelScope)
+    }
+
+
+    private fun updateChatsWithNewMessage(event: ChatEvent.NewMessage) {
+        val baseUrl = serverConfig.getBaseUrl().removeSuffix("/api/")
+        val currentUserId = getCurrentUserId()
+        
+        _state.update { currentState ->
+            val updatedChats = currentState.chats.map { chat ->
+                if (chat.id.equals(event.message.chatId, ignoreCase = true)) {
+                    val isMyMessage = event.message.senderId == currentUserId
+                    val isAlreadySeen = chat.lastMessage?.id == event.message.id
+                    
+                    val lastMsgDomain = event.message.toDomain(currentUserId, baseUrl)
+                    val newCount = if (isMyMessage || isAlreadySeen) {
+                        chat.unreadCount 
+                    } else {
+                        chat.unreadCount + 1
+                    }
+                    
+                    if (!isAlreadySeen) {
+                        android.util.Log.d("ChatListVM", "Message ${event.message.id} -> Count ${chat.unreadCount} -> $newCount")
+                    }
+                    
+                    chat.copy(
+                        lastMessage = lastMsgDomain,
+                        unreadCount = newCount
+                    )
+                } else chat
+            }
+            
+            currentState.copy(chats = sortChats(updatedChats))
+        }
+    }
+}

client-mobile/chats/presentation/components/ChatItem.kt

@@ -0,0 +1,124 @@
+package chats.presentation.components
+
+import androidx.compose.foundation.background
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.shape.CircleShape
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.layout.ContentScale
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.text.style.TextOverflow
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import chats.domain.model.Chat
+
+import androidx.compose.foundation.shape.RoundedCornerShape
+import core.presentation.components.AppAvatar
+import chats.domain.model.MediaType
+import androidx.compose.runtime.remember
+
+@Composable
+fun ChatItem(
+    chat: Chat,
+    onClick: (String) -> Unit
+) {
+    Row(
+        modifier = Modifier
+            .fillMaxWidth()
+            .clickable { onClick(chat.id) }
+            .padding(12.dp),
+        verticalAlignment = Alignment.CenterVertically
+    ) {
+        AppAvatar(
+            url = chat.avatar,
+            name = chat.name,
+            size = 50.dp
+        )
+
+        Spacer(modifier = Modifier.width(12.dp))
+
+        Column(modifier = Modifier.weight(1f)) {
+            Row(
+                modifier = Modifier.fillMaxWidth(),
+                horizontalArrangement = Arrangement.SpaceBetween
+            ) {
+                Text(
+                    text = chat.name,
+                    style = MaterialTheme.typography.bodyLarge.copy(fontWeight = FontWeight.Bold),
+                    maxLines = 1,
+                    overflow = TextOverflow.Ellipsis
+                )
+                chat.lastMessage?.let {
+                    val formattedTime = remember(it.createdAt) {
+                        try {
+                            it.createdAt.substringAfter('T').take(5)
+                        } catch (e: Exception) {
+                            ""
+                        }
+                    }
+                    Text(
+                        text = formattedTime,
+                        style = MaterialTheme.typography.labelSmall,
+                        color = Color.Gray
+                    )
+                }
+            }
+
+            Row(
+                modifier = Modifier.fillMaxWidth(),
+                horizontalArrangement = Arrangement.SpaceBetween
+            ) {
+                val previewText = remember(chat.lastMessage) {
+                    val msg = chat.lastMessage
+                    if (msg == null) return@remember "No messages yet"
+                    
+                    if (!msg.content.isNullOrBlank()) {
+                        msg.content
+                    } else if (msg.mediaType == MediaType.AUDIO) {
+                        "Голосовое сообщение"
+                    } else if (msg.media.isNotEmpty()) {
+                        when (msg.mediaType) {
+                            MediaType.IMAGE -> "Фото"
+                            MediaType.VIDEO -> "Видео"
+                            MediaType.FILE -> "Файл"
+                            else -> "Медиа"
+                        }
+                    } else {
+                        "Сообщение"
+                    }
+                }
+                Text(
+                    text = previewText,
+                    style = MaterialTheme.typography.bodyMedium,
+                    color = Color.Gray,
+                    maxLines = 1,
+                    overflow = TextOverflow.Ellipsis,
+                    modifier = Modifier.weight(1f)
+                )
+
+                if (chat.unreadCount > 0) {
+                    Box(
+                        modifier = Modifier
+                            .padding(start = 8.dp)
+                            .background(MaterialTheme.colorScheme.primary, CircleShape)
+                            .padding(horizontal = 6.dp, vertical = 2.dp),
+                        contentAlignment = Alignment.Center
+                    ) {
+                        Text(
+                            text = chat.unreadCount.toString(),
+                            color = Color.White,
+                            fontSize = 10.sp,
+                            fontWeight = FontWeight.Bold
+                        )
+                    }
+                }
+            }
+        }
+    }
+}

client-mobile/chats/presentation/components/EmojiPicker.kt

@@ -0,0 +1,39 @@
+package chats.presentation.components
+
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.lazy.grid.GridCells
+import androidx.compose.foundation.lazy.grid.LazyVerticalGrid
+import androidx.compose.foundation.lazy.grid.items
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+
+@Composable
+fun EmojiPicker(
+    onEmojiSelected: (String) -> Unit
+) {
+    val emojis = listOf("😀", "😂", "😍", "👍", "🔥", "😭", "🙏", "😎", "🤔", "🎉", "❤️", "✨") // Базовый набор
+
+    LazyVerticalGrid(
+        columns = GridCells.Fixed(6),
+        modifier = Modifier
+            .fillMaxWidth()
+            .height(200.dp)
+            .padding(8.dp)
+    ) {
+        items(emojis) { emoji ->
+            Box(
+                modifier = Modifier
+                    .size(48.dp)
+                    .clickable { onEmojiSelected(emoji) },
+                contentAlignment = Alignment.Center
+            ) {
+                Text(text = emoji, fontSize = 24.sp)
+            }
+        }
+    }
+}

client-mobile/chats/presentation/components/KlipyPicker.kt

@@ -0,0 +1,84 @@
+package chats.presentation.components
+
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.lazy.grid.GridCells
+import androidx.compose.foundation.lazy.grid.LazyVerticalGrid
+import androidx.compose.foundation.lazy.grid.items
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Search
+import androidx.compose.material3.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.layout.ContentScale
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.unit.dp
+import coil.compose.AsyncImage
+import coil.decode.GifDecoder
+import coil.decode.ImageDecoderDecoder
+import coil.request.ImageRequest
+import chats.data.remote.api.KlipyGifDto
+
+@Composable
+fun KlipyPicker(
+    gifs: List<KlipyGifDto>,
+    isLoading: Boolean,
+    onGifSelected: (String) -> Unit,
+    onSearch: (String) -> Unit
+) {
+    var query by remember { mutableStateOf("") }
+    val context = LocalContext.current
+    val imageLoader = coil.ImageLoader.Builder(context)
+        .components {
+            if (android.os.Build.VERSION.SDK_INT >= 28) {
+                add(ImageDecoderDecoder.Factory())
+            } else {
+                add(GifDecoder.Factory())
+            }
+        }
+        .build()
+
+    Column(modifier = Modifier.fillMaxWidth().height(300.dp)) {
+        OutlinedTextField(
+            value = query,
+            onValueChange = { 
+                query = it
+                onSearch(it)
+            },
+            modifier = Modifier.fillMaxWidth().padding(8.dp),
+            placeholder = { Text("Search GIFs...") },
+            leadingIcon = { Icon(Icons.Default.Search, contentDescription = null) },
+            singleLine = true
+        )
+
+        if (isLoading) {
+            Box(modifier = Modifier.fillMaxSize(), contentAlignment = Alignment.Center) {
+                CircularProgressIndicator()
+            }
+        } else {
+            LazyVerticalGrid(
+                columns = GridCells.Fixed(2),
+                modifier = Modifier.fillMaxSize(),
+                contentPadding = PaddingValues(4.dp)
+            ) {
+                items(gifs) { gif ->
+                    val url = gif.images?.fixed_height?.url ?: ""
+                    AsyncImage(
+                        model = ImageRequest.Builder(context)
+                            .data(url)
+                            .crossfade(true)
+                            .build(),
+                        imageLoader = imageLoader,
+                        contentDescription = gif.title,
+                        modifier = Modifier
+                            .padding(4.dp)
+                            .aspectRatio(1.5f)
+                            .clickable { onGifSelected(url) },
+                        contentScale = ContentScale.Crop
+                    )
+                }
+            }
+        }
+    }
+}

client-mobile/chats/presentation/components/LinkPreview.kt

@@ -0,0 +1,181 @@
+package chats.presentation.components
+
+import androidx.compose.foundation.background
+import androidx.compose.foundation.border
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.isSystemInDarkTheme
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.runtime.*
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.layout.ContentScale
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.text.style.TextOverflow
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import coil.compose.AsyncImage
+import core.utils.LinkMetadata
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.withContext
+
+private val linkMetadataCache = mutableMapOf<String, LinkMetadata>()
+
+@Composable
+fun LinkPreview(
+    url: String,
+    modifier: Modifier = Modifier,
+    contentColor: Color = Color.White
+) {
+    var metadata by remember(url) { mutableStateOf<LinkMetadata?>(linkMetadataCache[url]) }
+    var loading by remember(url) { mutableStateOf(metadata == null) }
+    val context = LocalContext.current
+
+    LaunchedEffect(url) {
+        if (metadata != null) {
+            loading = false
+            return@LaunchedEffect
+        }
+        
+        loading = true
+        try {
+            val client = okhttp3.OkHttpClient.Builder()
+                .connectTimeout(10, java.util.concurrent.TimeUnit.SECONDS)
+                .readTimeout(10, java.util.concurrent.TimeUnit.SECONDS)
+                .build()
+                
+            val request = okhttp3.Request.Builder()
+                .url("https://api.microlink.io?url=${java.net.URLEncoder.encode(url, "UTF-8")}")
+                .header("User-Agent", "KnotMessenger/1.0 (Android)")
+                .build()
+
+            withContext(Dispatchers.IO) {
+                client.newCall(request).execute().use { response ->
+                    if (response.isSuccessful) {
+                        val body = response.body?.string()
+                        if (body != null) {
+                            val json = com.google.gson.JsonParser.parseString(body).asJsonObject
+                            if (json.has("status") && json.get("status").asString == "success") {
+                                val data = json.getAsJsonObject("data")
+                                
+                                val title = data.get("title")?.takeIf { !it.isJsonNull }?.asString
+                                val description = data.get("description")?.takeIf { !it.isJsonNull }?.asString
+                                val imageUrl = data.getAsJsonObject("image")?.get("url")?.takeIf { !it.isJsonNull }?.asString
+                                
+                                if (title != null || description != null || imageUrl != null) {
+                                  metadata = LinkMetadata(
+                                      url = url,
+                                      title = title,
+                                      description = description,
+                                      imageUrl = imageUrl
+                                  )
+                                  metadata?.let { linkMetadataCache[url] = it }
+                                }
+                                Unit
+                            }
+                            Unit
+                        }
+                        Unit
+                    } else {
+                        android.util.Log.e("LinkPreview", "API error: ${response.code} ${response.message}")
+                    }
+                }
+                Unit
+            }
+        } catch (e: Exception) {
+            android.util.Log.e("LinkPreview", "Failed to fetch metadata for $url", e)
+        } finally {
+            loading = false
+        }
+    }
+
+    if (loading) {
+        Text(
+            text = "Загрузка предпросмотра...",
+            style = MaterialTheme.typography.labelSmall,
+            color = contentColor.copy(alpha = 0.5f),
+            modifier = modifier.padding(vertical = 4.dp),
+            fontStyle = androidx.compose.ui.text.font.FontStyle.Italic
+        )
+        return
+    }
+
+    val currentMetadata = metadata ?: LinkMetadata(url = url)
+
+    Column(
+        modifier = modifier
+            .fillMaxWidth()
+            .clip(RoundedCornerShape(8.dp))
+            .background(Color.Black.copy(alpha = 0.2f))
+            .clickable {
+                try {
+                    val intent = android.content.Intent(android.content.Intent.ACTION_VIEW, android.net.Uri.parse(url))
+                    context.startActivity(intent)
+                } catch (e: Exception) {}
+            }
+            .border(
+                width = if (isSystemInDarkTheme()) 0.5.dp else 0.dp,
+                color = Color.White.copy(alpha = 0.1f),
+                shape = RoundedCornerShape(8.dp)
+            )
+    ) {
+        Row(modifier = Modifier.height(IntrinsicSize.Min)) {
+            Box(
+                modifier = Modifier
+                    .fillMaxHeight()
+                    .width(3.dp)
+                    .background(Color(0xFF3096E5))
+            )
+            
+            Column(modifier = Modifier.padding(10.dp)) {
+                val domain = remember(url) { 
+                    try { java.net.URL(url).host.replace("www.", "") } catch (e: Exception) { "" }
+                }
+                
+                Text(
+                    text = domain,
+                    style = MaterialTheme.typography.labelSmall,
+                    color = Color(0xFF3096E5),
+                    fontWeight = FontWeight.Bold,
+                    modifier = Modifier.padding(bottom = 2.dp)
+                )
+
+                Text(
+                    text = currentMetadata.title ?: url,
+                    style = MaterialTheme.typography.bodyMedium,
+                    fontWeight = FontWeight.Bold,
+                    color = contentColor,
+                    maxLines = 2,
+                    overflow = TextOverflow.Ellipsis
+                )
+
+                currentMetadata.description?.let {
+                    Text(
+                        text = it,
+                        style = MaterialTheme.typography.bodySmall,
+                        color = contentColor.copy(alpha = 0.7f),
+                        maxLines = 3,
+                        overflow = TextOverflow.Ellipsis,
+                        lineHeight = 16.sp
+                    )
+                }
+            }
+        }
+
+        currentMetadata.imageUrl?.let {
+            AsyncImage(
+                model = it,
+                contentDescription = null,
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .heightIn(max = 200.dp)
+                    .clip(RoundedCornerShape(bottomStart = 8.dp, bottomEnd = 8.dp)),
+                contentScale = ContentScale.Crop
+            )
+        }
+    }
+}

client-mobile/chats/presentation/components/MediaPicker.kt

@@ -0,0 +1,416 @@
+package chats.presentation.components
+
+import androidx.compose.animation.*
+import androidx.compose.foundation.background
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.lazy.LazyRow
+import androidx.compose.foundation.lazy.grid.GridCells
+import androidx.compose.foundation.lazy.grid.LazyVerticalGrid
+import androidx.compose.foundation.lazy.grid.items
+import androidx.compose.foundation.lazy.items
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.*
+import androidx.compose.material.icons.rounded.*
+import androidx.compose.material3.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.alpha
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.graphics.graphicsLayer
+import androidx.compose.ui.graphics.vector.ImageVector
+import androidx.compose.ui.layout.ContentScale
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import coil.compose.AsyncImage
+import chats.data.remote.api.KlipyGifDto
+import core.utils.CoilUtils
+import kotlinx.coroutines.launch
+
+enum class MediaTab { EMOJI, GIF }
+
+@Composable
+fun MediaPicker(
+    trendingGifs: List<KlipyGifDto>,
+    searchedGifs: List<KlipyGifDto>,
+    recentGifs: List<KlipyGifDto> = emptyList(),
+    gifCategories: List<chats.data.remote.api.GifCategoryDto> = emptyList(),
+    isGifsLoading: Boolean,
+    error: String?,
+    onEmojiSelected: (String) -> Unit,
+    onGifSelected: (String) -> Unit,
+    onGifSearch: (String) -> Unit,
+    modifier: Modifier = Modifier
+) {
+    var activeTab by remember { mutableStateOf(MediaTab.EMOJI) }
+    
+    // Вычисляем индексы для прыжков (учитываем заголовки)
+    val emojiCategories = remember {
+        listOf(
+            EmojiCategory("Недавние", Icons.Rounded.Schedule, listOf("👍", "❤️", "😂", "😍", "🙏", "🔥", "😭", "😊")),
+            EmojiCategory("Смайлы", Icons.Rounded.EmojiEmotions, listOf("😀", "😃", "😄", "😁", "😆", "😅", "🤣", "😂", "🙂", "🙃", "😉", "😊", "😇")),
+            EmojiCategory("Животные", Icons.Rounded.Pets, listOf("🐶", "🐱", "🐭", "🐹", "🐰", "🦊", "🐻", "🐼", "🐨", "🐯", "🦁", "🐮", "🐷")),
+            EmojiCategory("Еда", Icons.Rounded.Fastfood, listOf("🍎", "🍐", "🍊", "🍋", "🍌", "🍉", "🍇", "🍓", "🫐", "🍈", "🍒", "🍑", "🥭")),
+            EmojiCategory("Спорт", Icons.Rounded.SportsFootball, listOf("⚽", "🏀", "🏈", "⚾", "🎾", "🏐", "🏉", "🎱", "🏓", "🏸", "🥅", "🏒")),
+            EmojiCategory("Транспорт", Icons.Rounded.DirectionsCar, listOf("🚗", "🚕", "🚙", "🚌", "🚎", "🏎️", "🚓", "🚑", "🚒", "🚐", "🚚", "🚛")),
+            EmojiCategory("Объекты", Icons.Rounded.Lightbulb, listOf("💡", "🔦", "🕯️", "🪔", "📔", "📕", "📖", "💚", "💙", "💜", "🤎", "🖤")),
+            EmojiCategory("Музыка", Icons.Rounded.MusicNote, listOf("🎵", "🎶", "🎼", "🎹", "🎸", "🎻", "🎷", "🎺", "🥁", "🎤", "🎧", "📻")),
+            EmojiCategory("Флаги", Icons.Rounded.Flag, listOf("🏁", "🚩", "🎌", "🏴", "🏳️", "🏳️‍🌈", "🏳️‍⚧️", "🏴‍☠️", "🇦🇱", "🇩🇿", "🇦🇸", "🇦🇩"))
+        )
+    }
+
+    val categoryIndices = remember(emojiCategories) {
+        var currentIdx = 0
+        emojiCategories.map { cat ->
+            val startIdx = currentIdx
+            currentIdx += 1 + cat.emojis.size 
+            cat.icon to startIdx
+        }
+    }
+
+    Column(
+        modifier = modifier
+            .fillMaxWidth()
+            .height(450.dp)
+            .background(Color(0xFF1C1C1C), RoundedCornerShape(topStart = 16.dp, topEnd = 16.dp))
+    ) {
+        // Табы (Эмодзи / GIF)
+        Row(
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(8.dp)
+                .background(Color(0xFF2C2C2C), RoundedCornerShape(12.dp))
+                .padding(2.dp)
+        ) {
+            MediaTabItem(
+                title = "ЭМОДЗИ",
+                isSelected = activeTab == MediaTab.EMOJI,
+                onClick = { activeTab = MediaTab.EMOJI },
+                modifier = Modifier.weight(1f)
+            )
+            MediaTabItem(
+                title = "GIF",
+                isSelected = activeTab == MediaTab.GIF,
+                onClick = { activeTab = MediaTab.GIF },
+                modifier = Modifier.weight(1f)
+            )
+        }
+
+        Crossfade(targetState = activeTab, label = "media_tab") { tab ->
+            when (tab) {
+                MediaTab.EMOJI -> EmojiContent(
+                    emojiCategories = emojiCategories,
+                    categoryIndices = categoryIndices,
+                    onEmojiSelected = onEmojiSelected
+                )
+                MediaTab.GIF -> GifContent(
+                    trendingGifs = trendingGifs, 
+                    searchedGifs = searchedGifs, 
+                    recentGifs = recentGifs,
+                    gifCategories = gifCategories,
+                    isGifsLoading = isGifsLoading,
+                    error = error,
+                    onGifSelected = onGifSelected, 
+                    onGifSearch = onGifSearch
+                )
+            }
+        }
+    }
+}
+
+@Composable
+private fun MediaTabItem(
+    title: String,
+    isSelected: Boolean,
+    onClick: () -> Unit,
+    modifier: Modifier = Modifier
+) {
+    Box(
+        modifier = modifier
+            .clip(RoundedCornerShape(10.dp))
+            .background(if (isSelected) Color(0xFF3C3C3C) else Color.Transparent)
+            .clickable { onClick() }
+            .padding(vertical = 8.dp),
+        contentAlignment = Alignment.Center
+    ) {
+        Text(
+            text = title,
+            color = if (isSelected) Color.White else Color.Gray,
+            style = MaterialTheme.typography.labelLarge,
+            fontWeight = FontWeight.Bold
+        )
+    }
+}
+
+@Composable
+private fun EmojiContent(
+    emojiCategories: List<EmojiCategory>,
+    categoryIndices: List<Pair<ImageVector, Int>>,
+    onEmojiSelected: (String) -> Unit
+) {
+    val scrollState = androidx.compose.foundation.lazy.grid.rememberLazyGridState()
+    val scope = rememberCoroutineScope()
+    
+    Column(modifier = Modifier.fillMaxSize()) {
+        // Категории
+        LazyRow(
+            modifier = Modifier.padding(horizontal = 8.dp, vertical = 4.dp),
+            horizontalArrangement = Arrangement.spacedBy(12.dp)
+        ) {
+            items(categoryIndices) { (icon, index) ->
+                Icon(
+                    imageVector = icon,
+                    contentDescription = null,
+                    tint = Color.Gray,
+                    modifier = Modifier
+                        .size(24.dp)
+                        .clickable { 
+                            scope.launch {
+                                scrollState.animateScrollToItem(index)
+                            }
+                        }
+                )
+            }
+        }
+        
+        // Поиск
+        TextField(
+            value = "",
+            onValueChange = {},
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(8.dp)
+                .clip(RoundedCornerShape(8.dp)),
+            placeholder = { Text("Поиск", color = Color.Gray) },
+            leadingIcon = { Icon(Icons.Default.Search, contentDescription = null, tint = Color.Gray) },
+            colors = TextFieldDefaults.colors(
+                focusedContainerColor = Color(0xFF2C2C2C),
+                unfocusedContainerColor = Color(0xFF2C2C2C),
+                focusedIndicatorColor = Color.Transparent,
+                unfocusedIndicatorColor = Color.Transparent
+            )
+        )
+
+        LazyVerticalGrid(
+            columns = GridCells.Fixed(8),
+            state = scrollState,
+            modifier = Modifier.weight(1f).padding(horizontal = 4.dp),
+            verticalArrangement = Arrangement.spacedBy(4.dp),
+            horizontalArrangement = Arrangement.spacedBy(4.dp)
+        ) {
+            emojiCategories.forEach { category ->
+                // Заголовок категории
+                item(span = { androidx.compose.foundation.lazy.grid.GridItemSpan(8) }) {
+                    Text(
+                        text = category.name,
+                        color = Color.Gray,
+                        fontSize = 12.sp,
+                        fontWeight = FontWeight.Medium,
+                        modifier = Modifier.padding(8.dp)
+                    )
+                }
+                
+                items(category.emojis, key = { emoji -> emoji }) { emoji ->
+                    Box(
+                        modifier = Modifier
+                            .aspectRatio(1f)
+                            .clickable { onEmojiSelected(emoji) },
+                        contentAlignment = Alignment.Center
+                    ) {
+                        Text(text = emoji, fontSize = 28.sp)
+                    }
+                }
+            }
+        }
+    }
+}
+
+data class EmojiCategory(val name: String, val icon: ImageVector, val emojis: List<String>)
+
+@Composable
+private fun GifContent(
+    trendingGifs: List<KlipyGifDto>,
+    searchedGifs: List<KlipyGifDto>,
+    recentGifs: List<KlipyGifDto>,
+    gifCategories: List<chats.data.remote.api.GifCategoryDto>,
+    isGifsLoading: Boolean,
+    error: String?,
+    onGifSelected: (String) -> Unit,
+    onGifSearch: (String) -> Unit
+) {
+    var query by remember { mutableStateOf("") }
+    var subTab by remember { mutableStateOf("trending") }
+    val context = LocalContext.current
+    val imageLoader = CoilUtils.getGifImageLoader(context)
+    
+    Column(modifier = Modifier.fillMaxSize()) {
+        TextField(
+            value = query,
+            onValueChange = { 
+                query = it
+                if (it.isNotEmpty()) subTab = "search"
+                else if (subTab == "search") subTab = "trending"
+                onGifSearch(it)
+            },
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(horizontal = 8.dp, vertical = 4.dp)
+                .clip(RoundedCornerShape(8.dp)),
+            placeholder = { Text("Поиск GIF...", color = Color.Gray) },
+            leadingIcon = { Icon(Icons.Default.Search, contentDescription = null, tint = Color.Gray) },
+            colors = TextFieldDefaults.colors(
+                focusedContainerColor = Color(0xFF2C2C2C),
+                unfocusedContainerColor = Color(0xFF2C2C2C),
+                focusedIndicatorColor = Color.Transparent,
+                unfocusedIndicatorColor = Color.Transparent
+            )
+        )
+
+        // Под-вкладки GIF (Recent, Trending, Categories)
+        Row(
+            modifier = Modifier.padding(horizontal = 8.dp, vertical = 4.dp),
+            horizontalArrangement = Arrangement.spacedBy(16.dp),
+            verticalAlignment = Alignment.CenterVertically
+        ) {
+            Icon(
+                Icons.Rounded.Schedule, 
+                contentDescription = null, 
+                tint = if (subTab == "recent") Color(0xFF3B82F6) else Color.Gray,
+                modifier = Modifier.size(20.dp).clickable { subTab = "recent"; query = "" }
+            )
+            Icon(
+                Icons.Rounded.TrendingUp, 
+                contentDescription = null, 
+                tint = if (subTab == "trending") Color(0xFF3B82F6) else Color.Gray,
+                modifier = Modifier.size(20.dp).clickable { subTab = "trending"; query = "" }
+            )
+            Icon(
+                Icons.Rounded.GridView, 
+                contentDescription = null, 
+                tint = if (subTab == "categories") Color(0xFF3B82F6) else Color.Gray,
+                modifier = Modifier.size(20.dp).clickable { subTab = "categories"; query = "" }
+            )
+        }
+
+        if (subTab == "categories") {
+            LazyVerticalGrid(
+                columns = GridCells.Fixed(2),
+                modifier = Modifier.weight(1f).padding(4.dp),
+                contentPadding = PaddingValues(4.dp)
+            ) {
+                items(gifCategories) { category ->
+                    Box(
+                        modifier = Modifier
+                            .padding(4.dp)
+                            .aspectRatio(1.77f)
+                            .clip(RoundedCornerShape(12.dp))
+                            .background(Color(0xFF2C2C2C))
+                            .clickable { 
+                                query = category.query
+                                subTab = "search"
+                                onGifSearch(category.query)
+                            }
+                    ) {
+                        AsyncImage(
+                            model = category.preview_url,
+                            contentDescription = category.category,
+                            modifier = Modifier.fillMaxSize().alpha(0.6f),
+                            contentScale = ContentScale.Crop
+                        )
+                        Box(
+                            modifier = Modifier.fillMaxSize(),
+                            contentAlignment = Alignment.Center
+                        ) {
+                            Text(
+                                text = category.category.uppercase(),
+                                color = Color.White,
+                                fontSize = 10.sp,
+                                fontWeight = FontWeight.Black,
+                                letterSpacing = 2.sp
+                            )
+                        }
+                    }
+                }
+            }
+        } else {
+            val displayGifs = when (subTab) {
+                "recent" -> recentGifs
+                "search" -> searchedGifs
+                else -> trendingGifs
+            }
+
+            if (isGifsLoading && displayGifs.isEmpty()) {
+                Box(modifier = Modifier.fillMaxSize(), contentAlignment = Alignment.Center) {
+                    CircularProgressIndicator(color = Color(0xFF3B82F6))
+                }
+            } else if (!isGifsLoading && displayGifs.isEmpty()) {
+                Box(modifier = Modifier.fillMaxSize(), contentAlignment = Alignment.Center) {
+                    Column(horizontalAlignment = Alignment.CenterHorizontally) {
+                        Text(error ?: "Ничего не найдено", color = Color.Gray)
+                        if (error != null) {
+                            Button(onClick = { onGifSearch(query) }) {
+                                Text("Повторить")
+                            }
+                        }
+                    }
+                }
+            } else {
+                LazyVerticalGrid(
+                    columns = GridCells.Fixed(3),
+                    modifier = Modifier.weight(1f).padding(4.dp),
+                    contentPadding = PaddingValues(4.dp),
+                    verticalArrangement = Arrangement.spacedBy(4.dp),
+                    horizontalArrangement = Arrangement.spacedBy(4.dp)
+                ) {
+                    items(displayGifs, key = { gif -> gif.id }, contentType = { "gif" }) { gif ->
+                        val url = gif.files?.get("hd")?.get("gif")?.url 
+                            ?: gif.files?.get("sd")?.get("gif")?.url 
+                            ?: gif.file?.get("hd")?.get("gif")?.url 
+                            ?: gif.file?.get("sd")?.get("gif")?.url 
+                            ?: gif.media_formats?.get("gif")?.url 
+                            ?: gif.images?.original?.url
+
+                        val preview = gif.files?.get("sd")?.get("webp")?.url 
+                            ?: gif.files?.get("sd")?.get("gif")?.url 
+                            ?: gif.file?.get("sd")?.get("webp")?.url 
+                            ?: gif.media_formats?.get("tinygif")?.url 
+                            ?: gif.images?.fixed_height_small?.url 
+                            ?: url
+
+                        if (url != null) {
+                            AsyncImage(
+                                model = preview ?: url,
+                                imageLoader = imageLoader,
+                                contentDescription = gif.title,
+                                modifier = Modifier
+                                    .padding(2.dp)
+                                    .aspectRatio(1f)
+                                    .clip(RoundedCornerShape(8.dp))
+                                    .background(Color(0xFF2C2C2C))
+                                    .clickable { onGifSelected(url) },
+                                contentScale = ContentScale.Crop
+                            )
+                        } else {
+                            Box(
+                                modifier = Modifier
+                                    .padding(2.dp)
+                                    .aspectRatio(1f)
+                                    .clip(RoundedCornerShape(8.dp))
+                                    .background(Color(0xFF3C3C3C)),
+                                contentAlignment = Alignment.Center
+                            ) {
+                                Text(gif.title ?: "GIF", color = Color.Gray, fontSize = 10.sp)
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }
+}

client-mobile/chats/presentation/components/MessageBubble.kt

@@ -0,0 +1,843 @@
+package chats.presentation.components
+
+import androidx.compose.foundation.background
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.lazy.items
+import androidx.compose.foundation.combinedClickable
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.foundation.shape.CircleShape
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.material3.CircularProgressIndicator
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.graphics.graphicsLayer
+import androidx.compose.ui.layout.ContentScale
+import androidx.compose.ui.text.style.TextOverflow
+import androidx.compose.ui.layout.onGloballyPositioned
+import androidx.compose.ui.geometry.Offset
+import androidx.compose.ui.res.painterResource
+import ru.knot.messager.R
+import androidx.compose.ui.unit.IntOffset
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import androidx.compose.ui.window.Popup
+import chats.domain.model.Message
+import chats.domain.model.MediaType
+import chats.domain.model.Media
+import coil.compose.AsyncImage
+import core.presentation.components.AppVideoPlayer
+import core.presentation.components.AppAudioPlayer
+import core.presentation.components.AppAvatar
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.*
+import chats.presentation.components.LinkPreview
+import android.content.Intent
+import android.net.Uri
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.material3.*
+import androidx.compose.ui.graphics.vector.ImageVector
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.foundation.gestures.detectTapGestures
+import androidx.compose.ui.input.pointer.pointerInput
+import java.time.Instant
+import java.time.ZoneId
+import java.time.format.DateTimeFormatter
+import core.presentation.components.AppMediaLightbox
+
+@OptIn(androidx.compose.foundation.ExperimentalFoundationApi::class)
+@Composable
+fun MessageBubble(
+    message: Message,
+    isCurrentUser: Boolean,
+    onReactionClick: (String) -> Unit = {},
+    autoPlay: Boolean = false,
+    initialPlaybackSpeed: Float = 1.0f,
+    onVoiceFinished: (Float) -> Unit = {},
+    onReply: (Message) -> Unit = {},
+    onReplyClick: (Message) -> Unit = {},
+    onSelect: (String) -> Unit = {},
+    onForward: (Message) -> Unit = {},
+    onPin: (Message) -> Unit = {},
+    onEdit: (Message) -> Unit = {},
+    onDelete: (Message, Boolean) -> Unit = { _, _ -> },
+    isSelected: Boolean = false,
+    isSelectionMode: Boolean = false,
+    onMediaClick: (chats.domain.model.Media) -> Unit = {}
+) {
+    val context = LocalContext.current
+    var showReactionPicker by remember { mutableStateOf(false) }
+    var lightboxMediaIndex by remember { mutableStateOf<Int?>(null) }
+
+    val contentColor = Color.White
+    var showContextMenu by remember { mutableStateOf(false) }
+    var showDeleteDialog by remember { mutableStateOf(false) }
+
+    val backgroundColor = when {
+        isSelected -> if (isCurrentUser) Color(0xFF3096E5).copy(alpha = 0.5f) else Color(0xFF212121).copy(alpha = 0.5f)
+        showContextMenu -> Color(0xFF007AFF) // Even brighter highlight
+        isCurrentUser -> Color(0xFF3096E5)
+        else -> Color(0xFF212121)
+    }
+
+    val shape = if (isCurrentUser) {
+        RoundedCornerShape(16.dp, 16.dp, 4.dp, 16.dp)
+    } else {
+        RoundedCornerShape(16.dp, 16.dp, 16.dp, 4.dp)
+    }
+
+    val isVoiceMessage = message.media.any { it.type == "voice" } || (message.mediaType == MediaType.AUDIO && (message.content == null || message.content.isEmpty()))
+
+    Row(
+        modifier = Modifier
+            .fillMaxWidth()
+            .pointerInput(Unit) { // Clicks anywhere in the Row row now work
+                detectTapGestures(
+                    onTap = {
+                        if (isSelectionMode) {
+                            onSelect(message.id)
+                        } else {
+                            showContextMenu = !showContextMenu 
+                        }
+                    },
+                    onLongPress = {
+                        if (!isSelectionMode) {
+                            onSelect(message.id)
+                        }
+                    }
+                )
+            }
+            .padding(horizontal = 8.dp, vertical = 2.dp),
+        horizontalArrangement = if (isCurrentUser) Arrangement.End else Arrangement.Start,
+        verticalAlignment = Alignment.Bottom
+    ) {
+        var bubbleHeight by remember { mutableIntStateOf(0) }
+        var isNearBottom by remember { mutableStateOf(false) }
+
+        Box(
+            modifier = Modifier
+                .widthIn(max = 300.dp)
+                .onGloballyPositioned { coords ->
+                    bubbleHeight = coords.size.height
+                    val screenHeight = coords.parentLayoutCoordinates?.size?.height ?: 2000
+                    val yInWindow = coords.localToWindow(Offset.Zero).y
+                    // If bottom of message is in the last 40% of screen, open menu UP
+                    isNearBottom = yInWindow > screenHeight * 0.6f
+                },
+            contentAlignment = if (isCurrentUser) Alignment.CenterEnd else Alignment.CenterStart
+        ) {
+            // Actual bubble
+            Column(
+                modifier = Modifier
+                    .clip(shape)
+                    .background(backgroundColor)
+                    .padding(8.dp)
+            ) {
+                if (showContextMenu) {
+                    val density = androidx.compose.ui.platform.LocalDensity.current
+                    val menuWidth = 220.dp
+                    val menuWidthPx = with(density) { menuWidth.toPx() }
+                    
+                    Popup(
+                        alignment = if (isNearBottom) {
+                            if (isCurrentUser) Alignment.BottomStart else Alignment.BottomEnd
+                        } else {
+                            if (isCurrentUser) Alignment.TopStart else Alignment.TopEnd
+                        },
+                        offset = if (isCurrentUser) {
+                            // Message is on RIGHT, show menu to its LEFT
+                            IntOffset(-menuWidthPx.toInt() - 20, 0)
+                        } else {
+                            // Message is on LEFT, show menu to its RIGHT
+                            IntOffset(menuWidthPx.toInt() + 20, 0)
+                        },
+                        onDismissRequest = { showContextMenu = false },
+                        properties = androidx.compose.ui.window.PopupProperties(
+                            focusable = true,
+                            dismissOnBackPress = true,
+                            dismissOnClickOutside = true
+                        )
+                    ) {
+                        MessageContextMenu(
+                            isMyMessage = isCurrentUser,
+                            isPinned = message.isPinned,
+                            onReactionSelected = {
+                                onReactionClick(it)
+                                showContextMenu = false
+                            },
+                            onAction = { action ->
+                                showContextMenu = false
+                                when(action) {
+                                    "reply" -> onReply(message)
+                                    "select" -> onSelect(message.id)
+                                    "forward" -> onForward(message)
+                                    "pin" -> onPin(message)
+                                    "edit" -> onEdit(message)
+                                    "copy" -> {
+                                        val clipboard = context.getSystemService(android.content.Context.CLIPBOARD_SERVICE) as android.content.ClipboardManager
+                                        val clip = android.content.ClipData.newPlainText("message", message.content)
+                                        clipboard.setPrimaryClip(clip)
+                                    }
+                                    "delete" -> {
+                                        showDeleteDialog = true
+                                    }
+                                }
+                            }
+                        )
+                    }
+                }
+
+            // Forwarded Info
+            if (message.isForwarded) {
+                Text(
+                    text = "Forwarded from ${message.forwardedFromName ?: "Unknown"}",
+                    style = MaterialTheme.typography.labelSmall,
+                    color = contentColor.copy(alpha = 0.7f),
+                    fontStyle = androidx.compose.ui.text.font.FontStyle.Italic,
+                    modifier = Modifier.padding(bottom = 4.dp)
+                )
+            }
+
+            // Reply Info
+            message.replyTo?.let { reply ->
+                Row(
+                    modifier = Modifier
+                        .fillMaxWidth()
+                        .padding(bottom = 6.dp)
+                        .clip(RoundedCornerShape(4.dp))
+                        .background(contentColor.copy(alpha = 0.1f))
+                        .height(IntrinsicSize.Min)
+                        .clickable { onReplyClick(reply) }
+                ) {
+                    Box(
+                        modifier = Modifier
+                            .fillMaxHeight()
+                            .width(2.dp)
+                            .background(if (isCurrentUser) Color.White else Color(0xFF3096E5))
+                    )
+                    val context = androidx.compose.ui.platform.LocalContext.current
+                    val isReplyImage = reply.mediaType == MediaType.IMAGE || reply.mediaType == MediaType.VIDEO || reply.mediaType == MediaType.GIF
+                    
+                    if (isReplyImage && reply.media.isNotEmpty()) {
+                        AsyncImage(
+                            model = reply.media.first().url,
+                            contentDescription = null,
+                            modifier = Modifier
+                                .fillMaxHeight()
+                                .width(40.dp)
+                                .clip(RoundedCornerShape(0.dp, 4.dp, 4.dp, 0.dp)),
+                            contentScale = ContentScale.Crop
+                        )
+                    }
+
+                    Column(modifier = Modifier.padding(horizontal = 8.dp, vertical = 4.dp).weight(1f)) {
+                        val accentColor = if (isCurrentUser) Color.White else Color(0xFF3096E5)
+                        Text(
+                            text = reply.senderName,
+                            style = MaterialTheme.typography.labelMedium,
+                            color = accentColor,
+                            maxLines = 1,
+                            fontWeight = androidx.compose.ui.text.font.FontWeight.Bold
+                        )
+                        
+                        val photoText = androidx.compose.ui.res.stringResource(ru.knot.messager.R.string.reply_photo)
+                        val videoText = androidx.compose.ui.res.stringResource(ru.knot.messager.R.string.reply_video)
+                        val voiceText = androidx.compose.ui.res.stringResource(ru.knot.messager.R.string.voice_message)
+                        val audioText = androidx.compose.ui.res.stringResource(ru.knot.messager.R.string.reply_audio)
+                        val fileText = androidx.compose.ui.res.stringResource(ru.knot.messager.R.string.reply_file)
+                        val gifText = androidx.compose.ui.res.stringResource(ru.knot.messager.R.string.reply_gif)
+                        val mediaText = androidx.compose.ui.res.stringResource(ru.knot.messager.R.string.media)
+
+                        val replyText = remember(reply) {
+                            if (!reply.content.isNullOrEmpty()) {
+                                reply.content
+                            } else {
+                                when (reply.mediaType) {
+                                    MediaType.IMAGE -> photoText
+                                    MediaType.VIDEO -> videoText
+                                    MediaType.AUDIO -> if (reply.media.any { it.type == "voice" }) voiceText else audioText
+                                    MediaType.FILE -> fileText
+                                    MediaType.GIF -> gifText
+                                    else -> mediaText
+                                }
+                            }
+                        }
+
+                        Text(
+                            text = replyText,
+                            style = MaterialTheme.typography.bodySmall,
+                            color = contentColor.copy(alpha = 0.8f),
+                            maxLines = 1,
+                            overflow = TextOverflow.Ellipsis
+                        )
+                    }
+                }
+            }
+
+            // GIF Content (Klipy)
+            if (message.mediaType == MediaType.GIF) {
+                AsyncImage(
+                    model = message.content,
+                    imageLoader = core.utils.CoilUtils.getGifImageLoader(context),
+                    contentDescription = null,
+                    modifier = Modifier
+                        .fillMaxWidth()
+                        .heightIn(max = 300.dp)
+                        .clip(RoundedCornerShape(8.dp))
+                        .clickable { /* Handle click */ },
+                    contentScale = ContentScale.Crop
+                )
+                Spacer(modifier = Modifier.height(4.dp))
+            }
+
+            // Loading state for temp media messages
+            if (message.id.startsWith("temp_") && message.mediaType != MediaType.TEXT) {
+                Box(
+                    modifier = Modifier
+                        .fillMaxWidth()
+                        .height(200.dp)
+                        .clip(RoundedCornerShape(8.dp))
+                        .background(contentColor.copy(alpha = 0.1f)),
+                    contentAlignment = Alignment.Center
+                ) {
+                    CircularProgressIndicator(
+                        modifier = Modifier.size(24.dp),
+                        strokeWidth = 2.dp,
+                        color = contentColor.copy(alpha = 0.5f)
+                    )
+                }
+                Spacer(modifier = Modifier.height(4.dp))
+            }
+
+            // Media Content (Attachments)
+            if (message.media.isNotEmpty() && message.mediaType != MediaType.GIF) {
+                val mediaCount = message.media.size
+                if (mediaCount == 1) {
+                    val mediaItem = message.media[0]
+                    when {
+                        mediaItem.type.startsWith("image") || message.mediaType == MediaType.IMAGE -> {
+                            AsyncImage(
+                                model = mediaItem.url,
+                                imageLoader = core.utils.CoilUtils.getGifImageLoader(context),
+                                contentDescription = null,
+                                modifier = Modifier
+                                    .fillMaxWidth()
+                                    .heightIn(max = 300.dp)
+                                    .clip(RoundedCornerShape(8.dp))
+                                    .clickable { onMediaClick(mediaItem) },
+                                contentScale = ContentScale.Crop
+                            )
+                        }
+                        message.mediaType == MediaType.VIDEO || mediaItem.type.startsWith("video") -> {
+                            Box(
+                                modifier = Modifier
+                                    .fillMaxWidth()
+                                    .height(240.dp)
+                                    .clip(RoundedCornerShape(8.dp))
+                            ) {
+                                AppVideoPlayer(
+                                    url = mediaItem.url,
+                                    modifier = Modifier.fillMaxSize(),
+                                    useController = false,
+                                    isMuted = true,
+                                    autoPlay = true
+                                )
+                                // Прозрачный слой поверх видео для клика
+                                Box(modifier = Modifier
+                                    .fillMaxSize()
+                                    .background(Color.Transparent)
+                                    .clickable { onMediaClick(mediaItem) }
+                                )
+                                
+                                Icon(
+                                    imageVector = Icons.Default.VolumeOff,
+                                    contentDescription = null,
+                                    tint = Color.White.copy(alpha = 0.7f),
+                                    modifier = Modifier.align(Alignment.TopEnd).padding(8.dp).size(20.dp)
+                                )
+                            }
+                        }
+                        mediaItem.type.startsWith("audio") || mediaItem.filename?.endsWith(".mp2", true) == true || mediaItem.filename?.endsWith(".mp3", true) == true || message.mediaType == MediaType.AUDIO -> {
+                            AppAudioPlayer(
+                                url = mediaItem.url,
+                                name = mediaItem.filename,
+                                size = mediaItem.size,
+                                isVoiceMessage = isVoiceMessage,
+                                initialPlaybackSpeed = initialPlaybackSpeed,
+                                autoPlay = autoPlay,
+                                onFinished = onVoiceFinished,
+                                contentColor = contentColor
+                            )
+                        }
+                        else -> {
+                            FileItem(media = mediaItem, isCurrentUser = isCurrentUser, contentColor = contentColor)
+                        }
+                    }
+                } else {
+                    // Multi-media grid
+                    PhotoGrid(
+                        mediaList = message.media,
+                        isCurrentUser = isCurrentUser,
+                        onMediaClick = { index -> onMediaClick(message.media[index]) },
+                        modifier = Modifier.fillMaxWidth().height(300.dp).clip(RoundedCornerShape(12.dp))
+                    )
+                }
+                Spacer(modifier = Modifier.height(4.dp))
+            }
+            
+            // Text Content
+            if (!message.content.isNullOrBlank() && !isVoiceMessage && message.mediaType != MediaType.GIF) {
+                Column {
+                    val annotatedString = remember(message.content) {
+                        val text = message.content ?: ""
+                        val links = core.utils.LinkParser.findLinks(text)
+                        androidx.compose.ui.text.buildAnnotatedString {
+                            append(text)
+                            links.forEach { link ->
+                                val startIndex = text.indexOf(link)
+                                if (startIndex >= 0) {
+                                    val endIndex = startIndex + link.length
+                                    addStyle(
+                                        style = androidx.compose.ui.text.SpanStyle(
+                                            color = Color(0xFF3096E5),
+                                            textDecoration = androidx.compose.ui.text.style.TextDecoration.Underline
+                                        ),
+                                        start = startIndex,
+                                        end = endIndex
+                                    )
+                                    addStringAnnotation(
+                                        tag = "URL",
+                                        annotation = link,
+                                        start = startIndex,
+                                        end = endIndex
+                                    )
+                                }
+                            }
+                        }
+                    }
+                    
+                    val context = androidx.compose.ui.platform.LocalContext.current
+                    androidx.compose.foundation.text.ClickableText(
+                        text = annotatedString,
+                        style = MaterialTheme.typography.bodyMedium.copy(color = contentColor),
+                        onClick = { offset ->
+                            annotatedString.getStringAnnotations(tag = "URL", start = offset, end = offset)
+                                .firstOrNull()?.let { annotation ->
+                                    try {
+                                        val intent = android.content.Intent(android.content.Intent.ACTION_VIEW, android.net.Uri.parse(annotation.item))
+                                        context.startActivity(intent)
+                                    } catch (e: Exception) {}
+                                }
+                        }
+                    )
+                    
+                    val links = remember(message.content) { core.utils.LinkParser.findLinks(message.content) }
+                    if (links.isNotEmpty()) {
+                        Spacer(modifier = Modifier.height(8.dp))
+                        LinkPreview(
+                            url = links[0],
+                            contentColor = contentColor
+                        )
+                    }
+                }
+            }
+
+            // Time and Status
+            Row(
+                modifier = Modifier.align(Alignment.End),
+                verticalAlignment = Alignment.CenterVertically
+            ) {
+                if (message.reactions.isNotEmpty()) {
+                    MessageReactions(
+                        reactions = message.reactions,
+                        onReactionClick = onReactionClick,
+                        modifier = Modifier.padding(end = 4.dp)
+                    )
+                }
+                val formattedTime = remember(message.createdAt) {
+                    try {
+                        val instant = Instant.parse(message.createdAt)
+                        val zonedDateTime = instant.atZone(ZoneId.systemDefault())
+                        zonedDateTime.format(DateTimeFormatter.ofPattern("HH:mm"))
+                    } catch (e: Exception) {
+                        message.createdAt.substringAfter('T').take(5)
+                    }
+                }
+                Text(
+                    text = formattedTime,
+                    style = MaterialTheme.typography.labelSmall,
+                    color = contentColor.copy(alpha = 0.6f),
+                    fontSize = 11.sp
+                )
+                if (message.isPinned) {
+                    Icon(
+                        imageVector = Icons.Default.PushPin,
+                        contentDescription = "Pinned",
+                        modifier = Modifier.size(12.dp).padding(start = 2.dp).graphicsLayer { rotationZ = 45f },
+                        tint = contentColor.copy(alpha = 0.6f)
+                    )
+                }
+                if (isCurrentUser) {
+                    Spacer(modifier = Modifier.width(2.dp))
+                    Icon(
+                        imageVector = if (message.isRead) Icons.Default.DoneAll else Icons.Default.Done,
+                        contentDescription = null,
+                        modifier = Modifier.size(12.dp),
+                        tint = contentColor.copy(alpha = 0.6f)
+                    )
+                }
+            }
+        } // End of bubble Column
+
+        if (isSelected) {
+            Icon(
+                imageVector = Icons.Default.CheckCircle,
+                contentDescription = null,
+                tint = Color.White,
+                modifier = Modifier
+                    .align(Alignment.Center)
+                    .size(32.dp)
+                    .background(Color(0xFF3096E5), CircleShape)
+                    .padding(2.dp)
+            )
+        }
+    } // End of Box
+} // End of Row
+
+    lightboxMediaIndex?.let { index ->
+        AppMediaLightbox(
+            mediaList = message.media,
+            initialIndex = index,
+            onClose = { lightboxMediaIndex = null }
+        )
+    }
+
+    if (showDeleteDialog) {
+        var deleteForEveryone by remember { mutableStateOf(false) }
+        
+        AlertDialog(
+            onDismissRequest = { showDeleteDialog = false },
+            title = { Text("Удалить сообщение?") },
+            text = {
+                Column {
+                    Text("Вы уверены, что хотите удалить это сообщение?")
+                    if (isCurrentUser) {
+                        Row(
+                            verticalAlignment = Alignment.CenterVertically,
+                            modifier = Modifier.padding(top = 8.dp).clickable { deleteForEveryone = !deleteForEveryone }
+                        ) {
+                            Checkbox(
+                                checked = deleteForEveryone,
+                                onCheckedChange = { deleteForEveryone = it }
+                            )
+                            Text("Удалить у всех")
+                        }
+                    }
+                }
+            },
+            confirmButton = {
+                TextButton(
+                    onClick = {
+                        onDelete(message, deleteForEveryone)
+                        showDeleteDialog = false
+                    },
+                    colors = ButtonDefaults.textButtonColors(contentColor = Color(0xFFE53935))
+                ) {
+                    Text("Удалить")
+                }
+            },
+            dismissButton = {
+                TextButton(onClick = { showDeleteDialog = false }) {
+                    Text("Отмена")
+                }
+            }
+        )
+    }
+}
+
+@Composable
+fun MessageReactions(
+    reactions: Map<String, Int>,
+    onReactionClick: (String) -> Unit,
+    modifier: Modifier = Modifier
+) {
+    Row(
+        modifier = modifier,
+        horizontalArrangement = Arrangement.spacedBy(4.dp)
+    ) {
+        reactions.forEach { (emoji, count) ->
+            Box(
+                modifier = Modifier
+                    .clip(CircleShape)
+                    .background(Color.White.copy(alpha = 0.2f))
+                    .clickable { onReactionClick(emoji) }
+                    .padding(horizontal = 6.dp, vertical = 2.dp)
+            ) {
+                Row(verticalAlignment = Alignment.CenterVertically) {
+                    Text(text = emoji, fontSize = 12.sp)
+                    if (count > 1) {
+                        Spacer(modifier = Modifier.width(2.dp))
+                        Text(text = count.toString(), fontSize = 10.sp, color = Color.White)
+                    }
+                }
+            }
+        }
+    }
+}
+
+@Composable
+fun FileItem(media: Media, isCurrentUser: Boolean, contentColor: Color) {
+    Row(
+        modifier = Modifier
+            .fillMaxWidth()
+            .clip(RoundedCornerShape(8.dp))
+            .background(contentColor.copy(alpha = 0.1f))
+            .padding(8.dp),
+        verticalAlignment = Alignment.CenterVertically
+    ) {
+        Box(
+            modifier = Modifier
+                .size(40.dp)
+                .clip(RoundedCornerShape(8.dp))
+                .background(if (isCurrentUser) Color.White.copy(alpha = 0.2f) else Color(0xFF3390EC).copy(alpha = 0.2f)),
+            contentAlignment = Alignment.Center
+        ) {
+            Icon(Icons.Default.Description, contentDescription = null, tint = contentColor)
+        }
+        Column(
+            modifier = Modifier.weight(1f).padding(horizontal = 8.dp)
+        ) {
+            val fileName = media.filename ?: "File"
+            Text(
+                text = fileName,
+                style = MaterialTheme.typography.bodySmall,
+                color = contentColor,
+                maxLines = 1,
+                overflow = TextOverflow.Ellipsis
+            )
+            val sizeStr = media.size?.let { 
+                if (it > 1024 * 1024) "${it / (1024 * 1024)} MB" else "${it / 1024} KB"
+            } ?: "File"
+            Text(
+                text = sizeStr,
+                style = MaterialTheme.typography.labelSmall,
+                color = contentColor.copy(alpha = 0.6f)
+            )
+        }
+        Icon(Icons.Default.Download, contentDescription = null, tint = contentColor, modifier = Modifier.size(20.dp))
+    }
+}
+
+@Composable
+fun PhotoGrid(mediaList: List<Media>, isCurrentUser: Boolean, onMediaClick: (Int) -> Unit, modifier: Modifier = Modifier) {
+    if (mediaList.isEmpty()) return
+    
+    val columns = when {
+        mediaList.size == 1 -> 1
+        mediaList.size <= 4 -> 2
+        else -> 3
+    }
+    
+    Column(modifier = modifier) {
+        val rows = (mediaList.size + columns - 1) / columns
+        for (i in 0 until rows) {
+            Row(modifier = Modifier.weight(1f).fillMaxWidth()) {
+                for (j in 0 until columns) {
+                    val index = i * columns + j
+                    if (index < mediaList.size) {
+                        GridItem(
+                            media = mediaList[index],
+                            modifier = Modifier
+                                .weight(1f)
+                                .fillMaxHeight()
+                                .padding(1.dp)
+                                .clickable { onMediaClick(index) }
+                        )
+                    } else {
+                        Spacer(modifier = Modifier.weight(1f))
+                    }
+                }
+            }
+        }
+    }
+}
+
+@Composable
+fun GridItem(media: Media, modifier: Modifier = Modifier) {
+    val context = LocalContext.current
+    val isImage = media.type.startsWith("image")
+    val isVideo = media.type.startsWith("video")
+    
+    Box(modifier = modifier.background(Color.White.copy(alpha = 0.1f))) {
+        if (isImage || isVideo) {
+            AsyncImage(
+                model = media.url,
+                contentDescription = null,
+                modifier = Modifier.fillMaxSize(),
+                contentScale = ContentScale.Crop
+            )
+            if (isVideo) {
+                Icon(
+                    imageVector = Icons.Default.PlayCircle,
+                    contentDescription = null,
+                    tint = Color.White.copy(alpha = 0.8f),
+                    modifier = Modifier.align(Alignment.Center).size(32.dp)
+                )
+            }
+        } else {
+            Column(
+                modifier = Modifier.fillMaxSize().padding(4.dp),
+                verticalArrangement = Arrangement.Center,
+                horizontalAlignment = Alignment.CenterHorizontally
+            ) {
+                Icon(
+                    imageVector = Icons.Default.InsertDriveFile,
+                    contentDescription = null,
+                    tint = Color.White.copy(alpha = 0.7f),
+                    modifier = Modifier.size(32.dp)
+                )
+                Text(
+                    text = media.filename ?: "File",
+                    style = MaterialTheme.typography.labelSmall,
+                    color = Color.White.copy(alpha = 0.9f),
+                    maxLines = 1,
+                    overflow = TextOverflow.Ellipsis,
+                    textAlign = androidx.compose.ui.text.style.TextAlign.Center
+                )
+                Text(
+                    text = media.url.substringAfterLast(".").uppercase(),
+                    style = MaterialTheme.typography.labelSmall,
+                    color = Color.White.copy(alpha = 0.5f),
+                    fontSize = 8.sp
+                )
+        }
+    }
+    }
+}
+
+@Composable
+fun MessageContextMenu(
+    isMyMessage: Boolean,
+    isPinned: Boolean,
+    onReactionSelected: (String) -> Unit,
+    onAction: (String) -> Unit
+) {
+    var isVisible by remember { mutableStateOf(false) }
+    
+    LaunchedEffect(Unit) {
+        isVisible = true
+    }
+
+    androidx.compose.animation.AnimatedVisibility(
+        visible = isVisible,
+        enter = androidx.compose.animation.fadeIn(animationSpec = androidx.compose.animation.core.tween(200)) + 
+                androidx.compose.animation.scaleIn(
+                    initialScale = 0.5f,
+                    animationSpec = androidx.compose.animation.core.spring(
+                        dampingRatio = 0.6f,
+                        stiffness = 400f
+                    ),
+                    transformOrigin = androidx.compose.ui.graphics.TransformOrigin(
+                        if (isVisible) 0.5f else 0.5f, 
+                        0f
+                    )
+                ),
+        exit = androidx.compose.animation.fadeOut() + androidx.compose.animation.scaleOut()
+    ) {
+        androidx.compose.material3.Surface(
+            modifier = Modifier
+                .width(280.dp) // Even wider for all reactions
+                .clip(RoundedCornerShape(20.dp)),
+            color = Color(0xFF1E1E1E),
+            shadowElevation = 15.dp,
+            border = androidx.compose.foundation.BorderStroke(0.5.dp, Color.White.copy(alpha = 0.15f))
+        ) {
+            Column {
+                // Extended Reactions scrollable bar
+                androidx.compose.foundation.lazy.LazyRow(
+                    modifier = Modifier
+                        .fillMaxWidth()
+                        .padding(horizontal = 4.dp, vertical = 10.dp),
+                    horizontalArrangement = Arrangement.spacedBy(6.dp),
+                    contentPadding = PaddingValues(horizontal = 12.dp)
+                ) {
+                    val telegramReactions = listOf(
+                        "👍", "❤️", "😂", "🔥", "💯", "👏", "🤩", "🤔", "🤯", "😱", "🤬", 
+                        "👎", "💩", "🤡", "🥳", "😇", "🌚", "🙏", "👌", "🕊️", "🐳", 
+                        "🌭", "🦄", "🍌", "💊", "🍓", "🍾", "💋", "🖕", "👀", "👻",
+                        "🤝", "🤣", "⚡", "✨", "🎈", "🎉", "🧊", "🆒", "🤨", "😐", 
+                        "🤷‍♂️", "💅", "🏆", "👾", "🎯", "🎲", "🍷", "🤮", "🥱", "😴", 
+                        "🤐", "🥴"
+                    )
+                    items(telegramReactions) { emoji ->
+                        Text(
+                            text = emoji,
+                            fontSize = 28.sp,
+                            modifier = Modifier
+                                .clip(CircleShape)
+                                .clickable { onReactionSelected(emoji) }
+                                .padding(4.dp)
+                        )
+                    }
+                }
+
+            Divider(color = Color.White.copy(alpha = 0.1f))
+
+            ContextMenuItem(Icons.Default.Reply, "Ответить", onClick = { onAction("reply") })
+            ContextMenuItem(Icons.Default.CheckCircle, "Выбрать", onClick = { onAction("select") })
+            ContextMenuItem(Icons.Default.Forward, "Переслать", onClick = { onAction("forward") })
+            ContextMenuItem(
+                icon = Icons.Default.PushPin, 
+                text = if (isPinned) "Открепить" else "Закрепить", 
+                onClick = { onAction("pin") }
+            )
+            ContextMenuItem(Icons.Default.ContentCopy, "Копировать", onClick = { onAction("copy") })
+            if (isMyMessage) {
+                ContextMenuItem(Icons.Default.Edit, "Редактировать", onClick = { onAction("edit") })
+            }
+
+            Divider(color = Color.White.copy(alpha = 0.1f))
+
+            ContextMenuItem(
+                Icons.Default.Delete, 
+                "Удалить", 
+                textColor = Color(0xFFE53935), 
+                onClick = { onAction("delete") }
+            )
+        }
+    }
+}
+}
+
+@Composable
+fun ContextMenuItem(
+    icon: ImageVector,
+    text: String,
+    textColor: Color = Color.White,
+    onClick: () -> Unit
+) {
+    Row(
+        modifier = Modifier
+            .fillMaxWidth()
+            .clickable(onClick = onClick)
+            .padding(horizontal = 16.dp, vertical = 10.dp),
+        verticalAlignment = Alignment.CenterVertically
+    ) {
+        Icon(
+            imageVector = icon,
+            contentDescription = null,
+            tint = textColor.copy(alpha = 0.7f),
+            modifier = Modifier.size(20.dp)
+        )
+        Spacer(modifier = Modifier.width(16.dp))
+        Text(
+            text = text,
+            color = textColor,
+            style = MaterialTheme.typography.bodyMedium
+        )
+    }
+}

client-mobile/chats/presentation/components/MessageReactions.kt

@@ -0,0 +1,61 @@
+package chats.presentation.components
+
+import androidx.compose.foundation.background
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.shape.CircleShape
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+
+@Composable
+fun ReactionPicker(
+    onReactionSelected: (String) -> Unit
+) {
+    val reactions = listOf("❤️", "👍", "👎", "🔥", "😂", "😢", "😮")
+
+    Row(
+        modifier = Modifier
+            .background(MaterialTheme.colorScheme.surface, CircleShape)
+            .padding(8.dp),
+        horizontalArrangement = Arrangement.spacedBy(8.dp)
+    ) {
+        reactions.forEach { reaction ->
+            Text(
+                text = reaction,
+                modifier = Modifier
+                    .size(32.dp)
+                    .clickable { onReactionSelected(reaction) },
+                fontSize = 20.sp
+            )
+        }
+    }
+}
+
+@Composable
+fun MessageReactions(
+    reactions: Map<String, Int>, // Эмодзи -> Количество
+    onReactionClick: (String) -> Unit
+) {
+    Row(
+        modifier = Modifier.padding(top = 4.dp),
+        horizontalArrangement = Arrangement.spacedBy(4.dp)
+    ) {
+        reactions.forEach { (emoji, count) ->
+            Box(
+                modifier = Modifier
+                    .clip(CircleShape)
+                    .background(MaterialTheme.colorScheme.primary.copy(alpha = 0.1f))
+                    .clickable { onReactionClick(emoji) }
+                    .padding(horizontal = 6.dp, vertical = 2.dp)
+            ) {
+                Text(text = "$emoji $count", fontSize = 12.sp)
+            }
+        }
+    }
+}

client-mobile/chats/presentation/components/SwipeableMessageItem.kt

@@ -0,0 +1,87 @@
+package chats.presentation.components
+
+import androidx.compose.foundation.background
+import androidx.compose.foundation.gestures.Orientation
+import androidx.compose.foundation.gestures.draggable
+import androidx.compose.foundation.gestures.rememberDraggableState
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.shape.CircleShape
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Reply
+import androidx.compose.material3.Icon
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.alpha
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.platform.LocalDensity
+import androidx.compose.ui.unit.IntOffset
+import androidx.compose.ui.unit.dp
+import kotlinx.coroutines.launch
+import kotlin.math.roundToInt
+
+@Composable
+fun SwipeableMessageItem(
+    onReply: () -> Unit,
+    content: @Composable () -> Unit
+) {
+    val density = LocalDensity.current
+    val scope = rememberCoroutineScope()
+    val replyThreshold = with(density) { 60.dp.toPx() }
+    val maxDrag = with(density) { 90.dp.toPx() }
+    
+    var offsetX by remember { mutableFloatStateOf(0f) }
+    var isTriggered by remember { mutableStateOf(false) }
+
+    Box(
+        modifier = Modifier
+            .fillMaxWidth()
+            .draggable(
+                orientation = Orientation.Horizontal,
+                state = rememberDraggableState { delta ->
+                    // We only allow swiping to the left (negative delta)
+                    val newOffset = (offsetX + delta).coerceIn(-maxDrag, 0f)
+                    offsetX = newOffset
+                    
+                    isTriggered = newOffset <= -replyThreshold
+                },
+                onDragStopped = {
+                    if (offsetX <= -replyThreshold) {
+                        onReply()
+                    }
+                    offsetX = 0f
+                    isTriggered = false
+                }
+            )
+    ) {
+        // Reply Icon (Underneath)
+        Box(
+            modifier = Modifier
+                .align(Alignment.CenterEnd)
+                .padding(end = 16.dp)
+                .size(36.dp)
+                .alpha(((-offsetX) / replyThreshold).coerceIn(0f, 1f))
+                .clip(CircleShape)
+                .background(if (isTriggered) MaterialTheme.colorScheme.primary else Color.Gray.copy(alpha = 0.2f)),
+            contentAlignment = Alignment.Center
+        ) {
+            Icon(
+                imageVector = Icons.Default.Reply,
+                contentDescription = "Reply",
+                tint = Color.White,
+                modifier = Modifier.size(20.dp)
+            )
+        }
+
+        // Message Content
+        Box(
+            modifier = Modifier
+                .offset { IntOffset(offsetX.roundToInt(), 0) }
+                .fillMaxWidth()
+        ) {
+            content()
+        }
+    }
+}

client-mobile/contacts/data/remote/api/ContactApi.kt

@@ -0,0 +1,62 @@
+package contacts.data.remote.api
+
+import retrofit2.http.*
+
+interface ContactApi {
+    @GET("contacts")
+    suspend fun getContacts(): List<ContactDto>
+
+    @POST("contacts/request")
+    suspend fun addContact(@Body request: AddContactRequest): Any
+
+    @DELETE("contacts/{userId}")
+    suspend fun removeContact(@Path("userId") userId: String)
+
+    @GET("profiles/search")
+    suspend fun searchUsers(@Query("q") query: String): List<ContactDto>
+
+    @GET("contacts/requests")
+    suspend fun getFriendRequests(): List<FriendRequestDto>
+
+    @POST("contacts/{friendshipId}/accept")
+    suspend fun acceptRequest(@Path("friendshipId") friendshipId: String): Any
+
+    @POST("contacts/{friendshipId}/decline")
+    suspend fun declineRequest(@Path("friendshipId") friendshipId: String): Any
+}
+
+data class FriendRequestDto(
+    val id: String,
+    val user: ContactDto,
+    val createdAt: String,
+    val isOutgoing: Boolean
+)
+
+data class ContactDto(
+    @com.google.gson.annotations.SerializedName("id")
+    val id: String,
+    @com.google.gson.annotations.SerializedName("userName")
+    val userName: String?,
+    @com.google.gson.annotations.SerializedName("username")
+    val username: String?,
+    @com.google.gson.annotations.SerializedName("displayName")
+    val displayName: String?,
+    @com.google.gson.annotations.SerializedName("avatarUrl")
+    val avatarUrl: String?,
+    @com.google.gson.annotations.SerializedName("avatar")
+    val avatar: String?,
+    @com.google.gson.annotations.SerializedName("isOnline")
+    val isOnline: Boolean,
+    @com.google.gson.annotations.SerializedName("lastSeen")
+    val lastSeen: String?,
+    @com.google.gson.annotations.SerializedName("friendshipId")
+    val friendshipId: String? = null
+) {
+    val effectiveUsername: String get() = username ?: userName ?: "unknown"
+    val effectiveAvatarUrl: String? get() = avatarUrl ?: avatar
+}
+
+data class AddContactRequest(
+    @com.google.gson.annotations.SerializedName("contactId")
+    val contactId: String
+)

client-mobile/contacts/data/repository/ContactRepositoryImpl.kt

@@ -0,0 +1,74 @@
+package contacts.data.repository
+
+import contacts.data.remote.api.ContactApi
+import contacts.data.remote.api.ContactDto
+import contacts.domain.repository.ContactRepository
+import javax.inject.Inject
+
+class ContactRepositoryImpl @Inject constructor(
+    private val api: ContactApi
+) : ContactRepository {
+
+    override suspend fun getContacts(): Result<List<ContactDto>> {
+        return try {
+            Result.success(api.getContacts())
+        } catch (e: Exception) {
+            Result.failure(e)
+        }
+    }
+
+    override suspend fun addContact(userId: String): Result<ContactDto> {
+        return try {
+            val response = api.addContact(contacts.data.remote.api.AddContactRequest(userId))
+            // Бэкенд возвращает статус или пустой ответ для запроса, 
+            // так как это "запрос в друзья". Мы возвращаем Result.success с пустым DTO или 
+            // по-хорошему надо обновить доменную модель, но для начала вернем заглушку.
+            Result.success(ContactDto(id = userId, userName = null, username = null, displayName = null, avatarUrl = null, avatar = null, isOnline = false, lastSeen = null))
+        } catch (e: Exception) {
+            Result.failure(e)
+        }
+    }
+
+    override suspend fun removeContact(userId: String): Result<Unit> {
+        return try {
+            api.removeContact(userId)
+            Result.success(Unit)
+        } catch (e: Exception) {
+            Result.failure(e)
+        }
+    }
+
+    override suspend fun searchUsers(query: String): Result<List<ContactDto>> {
+        return try {
+            Result.success(api.searchUsers(query))
+        } catch (e: Exception) {
+            Result.failure(e)
+        }
+    }
+
+    override suspend fun getFriendRequests(): Result<List<contacts.data.remote.api.FriendRequestDto>> {
+        return try {
+            Result.success(api.getFriendRequests())
+        } catch (e: Exception) {
+            Result.failure(e)
+        }
+    }
+
+    override suspend fun acceptRequest(friendshipId: String): Result<Unit> {
+        return try {
+            api.acceptRequest(friendshipId)
+            Result.success(Unit)
+        } catch (e: Exception) {
+            Result.failure(e)
+        }
+    }
+
+    override suspend fun declineRequest(friendshipId: String): Result<Unit> {
+        return try {
+            api.declineRequest(friendshipId)
+            Result.success(Unit)
+        } catch (e: Exception) {
+            Result.failure(e)
+        }
+    }
+}

client-mobile/contacts/di/ContactModule.kt

@@ -0,0 +1,30 @@
+package contacts.di
+
+import contacts.data.remote.api.ContactApi
+import contacts.data.repository.ContactRepositoryImpl
+import contacts.domain.repository.ContactRepository
+import dagger.Module
+import dagger.Provides
+import dagger.hilt.InstallIn
+import dagger.hilt.components.SingletonComponent
+import retrofit2.Retrofit
+import javax.inject.Singleton
+
+@Module
+@InstallIn(SingletonComponent::class)
+object ContactModule {
+
+    @Provides
+    @Singleton
+    fun provideContactApi(retrofit: Retrofit): ContactApi {
+        return retrofit.create(ContactApi::class.java)
+    }
+
+    @Provides
+    @Singleton
+    fun provideContactRepository(
+        api: ContactApi
+    ): ContactRepository {
+        return ContactRepositoryImpl(api)
+    }
+}

client-mobile/contacts/domain/repository/ContactRepository.kt

@@ -0,0 +1,13 @@
+package contacts.domain.repository
+
+import contacts.data.remote.api.ContactDto
+
+interface ContactRepository {
+    suspend fun getContacts(): Result<List<ContactDto>>
+    suspend fun addContact(userId: String): Result<ContactDto>
+    suspend fun removeContact(userId: String): Result<Unit>
+    suspend fun searchUsers(query: String): Result<List<ContactDto>>
+    suspend fun getFriendRequests(): Result<List<contacts.data.remote.api.FriendRequestDto>>
+    suspend fun acceptRequest(friendshipId: String): Result<Unit>
+    suspend fun declineRequest(friendshipId: String): Result<Unit>
+}

client-mobile/contacts/presentation/ContactListScreen.kt

@@ -0,0 +1,253 @@
+package contacts.presentation
+
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.items
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Search
+import androidx.compose.material.icons.filled.PersonAdd
+import androidx.compose.material.icons.filled.Chat
+import androidx.compose.material.icons.filled.CheckCircle
+import androidx.compose.material.icons.filled.Cancel
+import androidx.compose.material3.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.res.stringResource
+import contacts.data.remote.api.ContactDto
+import core.presentation.components.AppAvatar
+import core.presentation.theme.SoftSquareShape
+import ru.knot.messager.R
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun ContactListScreen(
+    contacts: List<contacts.data.remote.api.ContactDto>,
+    requests: List<contacts.data.remote.api.FriendRequestDto> = emptyList(),
+    isLoading: Boolean = false,
+    onContactClick: (String) -> Unit,
+    onSearchChange: (String) -> Unit,
+    onAddContact: (String) -> Unit,
+    onStartChat: (String) -> Unit,
+    onAcceptRequest: (String) -> Unit,
+    onDeclineRequest: (String) -> Unit
+) {
+    var searchQuery by remember { mutableStateOf("") }
+    var selectedTab by remember { mutableIntStateOf(0) }
+    val tabs = listOf(
+        stringResource(R.string.all),
+        stringResource(R.string.online_tab)
+    )
+
+    Scaffold(
+        topBar = {
+            Column {
+                TopAppBar(
+                    title = { Text(stringResource(R.string.contacts_title), fontWeight = androidx.compose.ui.text.font.FontWeight.Bold) },
+                    colors = TopAppBarDefaults.topAppBarColors(
+                        containerColor = Color.Transparent,
+                        titleContentColor = Color.White
+                    )
+                )
+                TabRow(selectedTabIndex = selectedTab) {
+                    tabs.forEachIndexed { index, title ->
+                        Tab(
+                            selected = selectedTab == index,
+                            onClick = { selectedTab = index },
+                            text = { Text(title) }
+                        )
+                    }
+                }
+            }
+        }
+    ) { paddingValues ->
+        Column(
+            modifier = Modifier
+                .fillMaxSize()
+                .padding(paddingValues)
+        ) {
+            // Поисковая строка
+            OutlinedTextField(
+                value = searchQuery,
+                onValueChange = { 
+                    searchQuery = it
+                    onSearchChange(it)
+                },
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(horizontal = 16.dp, vertical = 8.dp),
+                placeholder = { Text(stringResource(R.string.search_hint)) },
+                leadingIcon = { Icon(Icons.Default.Search, contentDescription = null) },
+                shape = SoftSquareShape
+            )
+
+            if (isLoading) {
+                Box(modifier = Modifier.fillMaxSize(), contentAlignment = Alignment.Center) {
+                    CircularProgressIndicator()
+                }
+            } else {
+                val filteredContacts = if (searchQuery.isNotEmpty()) {
+                    contacts 
+                } else {
+                    contacts.filter { 
+                        if (selectedTab == 1) it.isOnline else true 
+                    }
+                }
+
+                LazyColumn(modifier = Modifier.fillMaxSize()) {
+                    // Contact Requests Section
+                    if (searchQuery.isEmpty() && requests.isNotEmpty()) {
+                        item {
+                            Text(
+                                text = "Заявки в контакты",
+                                style = MaterialTheme.typography.labelSmall,
+                                color = MaterialTheme.colorScheme.primary,
+                                modifier = Modifier.padding(horizontal = 16.dp, vertical = 8.dp)
+                            )
+                        }
+                        items(requests) { request ->
+                            ContactRequestItem(
+                                request = request,
+                                onAccept = { onAcceptRequest(request.id) },
+                                onDecline = { onDeclineRequest(request.id) }
+                            )
+                        }
+                        item {
+                            Divider(modifier = Modifier.padding(vertical = 8.dp), color = MaterialTheme.colorScheme.outlineVariant)
+                        }
+                    }
+
+                    if (filteredContacts.isEmpty() && requests.isEmpty()) {
+                        item {
+                            Box(modifier = Modifier.fillParentMaxSize(), contentAlignment = Alignment.Center) {
+                                Text(
+                                    text = if (searchQuery.isNotEmpty()) "Пользователи не найдены" else "Список контактов пуст",
+                                    style = MaterialTheme.typography.bodyMedium,
+                                    color = MaterialTheme.colorScheme.onSurfaceVariant
+                                )
+                            }
+                        }
+                    } else {
+                        items(filteredContacts) { contact ->
+                            ContactItem(
+                                contact = contact, 
+                                onClick = { onContactClick(contact.id) },
+                                onAddClick = { onAddContact(contact.id) },
+                                onChatClick = { onStartChat(contact.id) },
+                                isSearchMode = searchQuery.isNotEmpty()
+                            )
+                        }
+                    }
+                }
+            }
+        }
+    }
+}
+
+@Composable
+fun ContactRequestItem(
+    request: contacts.data.remote.api.FriendRequestDto,
+    onAccept: () -> Unit,
+    onDecline: () -> Unit
+) {
+    Row(
+        modifier = Modifier
+            .fillMaxWidth()
+            .padding(16.dp, 8.dp),
+        verticalAlignment = Alignment.CenterVertically
+    ) {
+        AppAvatar(
+            url = request.user.effectiveAvatarUrl,
+            name = request.user.effectiveUsername,
+            size = 48.dp
+        )
+        Spacer(modifier = Modifier.width(12.dp))
+        Column(modifier = Modifier.weight(1f)) {
+            Text(
+                text = request.user.displayName ?: request.user.effectiveUsername,
+                style = MaterialTheme.typography.titleSmall,
+                color = MaterialTheme.colorScheme.onSurface
+            )
+            Text(
+                text = if (request.isOutgoing) "Исходящий запрос" else "Входящий запрос",
+                style = MaterialTheme.typography.bodySmall,
+                color = MaterialTheme.colorScheme.onSurfaceVariant
+            )
+        }
+        Row {
+            if (!request.isOutgoing) {
+                IconButton(onClick = onAccept) {
+                    Icon(Icons.Default.CheckCircle, contentDescription = "Accept", tint = Color(0xFF4CAF50))
+                }
+            }
+            IconButton(onClick = onDecline) {
+                Icon(Icons.Default.Cancel, contentDescription = "Decline", tint = MaterialTheme.colorScheme.error)
+            }
+        }
+    }
+}
+
+@Composable
+fun ContactItem(
+    contact: contacts.data.remote.api.ContactDto, 
+    onClick: () -> Unit,
+    onAddClick: () -> Unit,
+    onChatClick: () -> Unit,
+    isSearchMode: Boolean
+) {
+    Row(
+        modifier = Modifier
+            .fillMaxWidth()
+            .clickable(onClick = onClick)
+            .padding(16.dp, 8.dp),
+        verticalAlignment = Alignment.CenterVertically
+    ) {
+        AppAvatar(
+            url = contact.effectiveAvatarUrl,
+            name = contact.effectiveUsername,
+            size = 56.dp
+        )
+        
+        Spacer(modifier = Modifier.width(16.dp))
+
+        Column(modifier = Modifier.weight(1f)) {
+            Text(
+                text = contact.displayName ?: contact.effectiveUsername,
+                style = MaterialTheme.typography.titleMedium,
+                color = MaterialTheme.colorScheme.onSurface
+            )
+            val statusText = if (contact.isOnline) {
+                stringResource(R.string.online)
+            } else {
+                stringResource(R.string.last_seen, contact.lastSeen ?: stringResource(R.string.last_seen_recently))
+            }
+            Text(
+                text = statusText,
+                style = MaterialTheme.typography.bodySmall,
+                color = if (contact.isOnline) MaterialTheme.colorScheme.primary else MaterialTheme.colorScheme.onSurfaceVariant
+            )
+        }
+
+        Row {
+            if (isSearchMode) {
+                IconButton(onClick = onAddClick) {
+                    Icon(
+                        imageVector = Icons.Default.PersonAdd,
+                        contentDescription = "Add Contact",
+                        tint = MaterialTheme.colorScheme.primary
+                    )
+                }
+            }
+            IconButton(onClick = onChatClick) {
+                Icon(
+                    imageVector = Icons.Default.Chat,
+                    contentDescription = "Start Chat",
+                    tint = MaterialTheme.colorScheme.primary
+                )
+            }
+        }
+    }
+}

client-mobile/contacts/presentation/ContactListViewModel.kt

@@ -0,0 +1,122 @@
+package contacts.presentation
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import chats.domain.repository.ChatRepository
+import contacts.domain.repository.ContactRepository
+import core.utils.NavigationManager
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.asStateFlow
+import kotlinx.coroutines.flow.update
+import kotlinx.coroutines.launch
+import javax.inject.Inject
+
+data class ContactListState(
+    val contacts: List<contacts.data.remote.api.ContactDto> = emptyList(),
+    val requests: List<contacts.data.remote.api.FriendRequestDto> = emptyList(),
+    val isLoading: Boolean = false,
+    val error: String? = null
+)
+
+@HiltViewModel
+class ContactListViewModel @Inject constructor(
+    private val contactRepository: ContactRepository,
+    private val chatRepository: ChatRepository,
+    private val navigationManager: NavigationManager
+) : ViewModel() {
+    private val _state = MutableStateFlow(ContactListState())
+    val state: StateFlow<ContactListState> = _state.asStateFlow()
+
+    init {
+        loadData()
+    }
+
+    fun loadData() {
+        loadContacts()
+        loadRequests()
+    }
+
+    fun loadContacts() {
+        viewModelScope.launch {
+            _state.update { it.copy(isLoading = true, error = null) }
+            contactRepository.getContacts()
+                .onSuccess { contacts ->
+                    _state.update { it.copy(contacts = contacts, isLoading = false) }
+                }
+                .onFailure { e ->
+                    _state.update { it.copy(isLoading = false, error = e.message) }
+                }
+        }
+    }
+
+    fun loadRequests() {
+        viewModelScope.launch {
+            contactRepository.getFriendRequests()
+                .onSuccess { requests ->
+                    _state.update { it.copy(requests = requests) }
+                }
+        }
+    }
+
+    fun onSearchChange(query: String) {
+        if (query.length < 3) {
+            if (query.isEmpty()) loadData()
+            return
+        }
+
+        viewModelScope.launch {
+            _state.update { it.copy(isLoading = true, error = null) }
+            contactRepository.searchUsers(query)
+                .onSuccess { users ->
+                    _state.update { it.copy(contacts = users, isLoading = false) }
+                }
+                .onFailure { e ->
+                    _state.update { it.copy(isLoading = false, error = e.message) }
+                }
+        }
+    }
+
+    fun addContact(userId: String) {
+        viewModelScope.launch {
+            contactRepository.addContact(userId)
+                .onSuccess {
+                    loadData()
+                }
+                .onFailure { e ->
+                    _state.update { it.copy(error = e.message) }
+                }
+        }
+    }
+
+    fun acceptRequest(requestId: String) {
+        viewModelScope.launch {
+            contactRepository.acceptRequest(requestId)
+                .onSuccess { loadData() }
+                .onFailure { e -> _state.update { it.copy(error = e.message) } }
+        }
+    }
+
+    fun declineRequest(requestId: String) {
+        viewModelScope.launch {
+            contactRepository.declineRequest(requestId)
+                .onSuccess { loadData() }
+                .onFailure { e -> _state.update { it.copy(error = e.message) } }
+        }
+    }
+
+    fun startChat(userId: String) {
+        viewModelScope.launch {
+            try {
+                // В вебе мы ищем существующий чат или создаем новый.
+                // В мобилке мы для начала можем просто вызвать createPersonalChat.
+                // Бэкенд обычно возвращает существующий чат, если он уже есть.
+                val chat = chatRepository.createPersonalChat(userId)
+                navigationManager.navigateToChat(chat.id)
+            } catch (e: Exception) {
+                _state.update { it.copy(error = e.message) }
+            }
+        }
+    }
+}

client-mobile/core/di/AppModule.kt

@@ -0,0 +1,27 @@
+package core.di
+
+import android.content.Context
+import com.google.gson.Gson
+import dagger.Module
+import dagger.Provides
+import dagger.hilt.InstallIn
+import dagger.hilt.android.qualifiers.ApplicationContext
+import dagger.hilt.components.SingletonComponent
+import javax.inject.Singleton
+
+@Module
+@InstallIn(SingletonComponent::class)
+object AppModule {
+
+    @Provides
+    @Singleton
+    fun provideContext(@ApplicationContext context: Context): Context {
+        return context
+    }
+
+    @Provides
+    @Singleton
+    fun provideGson(): Gson {
+        return Gson()
+    }
+}

client-mobile/core/di/NetworkModule.kt

@@ -0,0 +1,53 @@
+package core.di
+
+import com.google.gson.GsonBuilder
+import core.network.AuthInterceptor
+import core.network.DynamicBaseUrlInterceptor
+import core.network.ServerConfig
+import dagger.Module
+import dagger.Provides
+import dagger.hilt.InstallIn
+import dagger.hilt.components.SingletonComponent
+import okhttp3.OkHttpClient
+import okhttp3.logging.HttpLoggingInterceptor
+import retrofit2.Retrofit
+import retrofit2.converter.gson.GsonConverterFactory
+import java.util.concurrent.TimeUnit
+import javax.inject.Singleton
+
+@Module
+@InstallIn(SingletonComponent::class)
+object NetworkModule {
+
+    @Provides
+    @Singleton
+    fun provideOkHttpClient(
+        authInterceptor: AuthInterceptor,
+        dynamicBaseUrlInterceptor: DynamicBaseUrlInterceptor
+    ): OkHttpClient {
+        val logging = HttpLoggingInterceptor().apply {
+            level = HttpLoggingInterceptor.Level.BODY
+        }
+        return OkHttpClient.Builder()
+            .connectTimeout(60, TimeUnit.SECONDS)
+            .readTimeout(60, TimeUnit.SECONDS)
+            .writeTimeout(300, TimeUnit.SECONDS)
+            .addInterceptor(logging)
+            .addInterceptor(dynamicBaseUrlInterceptor)
+            .addInterceptor(authInterceptor)
+            .build()
+    }
+
+    @Provides
+    @Singleton
+    fun provideRetrofit(okHttpClient: OkHttpClient): Retrofit {
+        val gson = com.google.gson.GsonBuilder()
+            .serializeNulls()
+            .create()
+        return Retrofit.Builder()
+            .baseUrl("https://api.placeholder.com/")
+            .client(okHttpClient)
+            .addConverterFactory(GsonConverterFactory.create(gson))
+            .build()
+    }
+}

client-mobile/core/domain/model/ServerConfigModel.kt

@@ -0,0 +1,57 @@
+package core.domain.model
+
+import com.google.gson.annotations.SerializedName
+
+data class ServerConfigModel(
+    @SerializedName("stories") val stories: StoriesConfig = StoriesConfig(),
+    @SerializedName("messages") val messages: MessagesConfig = MessagesConfig(),
+    @SerializedName("chats") val chats: ChatsConfig = ChatsConfig(),
+    @SerializedName("webRtc") val webRtc: WebRtcConfig = WebRtcConfig()
+) {
+    // Helper to keep the presentation layer simple
+    val features: FeaturesConfig
+        get() = FeaturesConfig(
+            stories = stories.enabled,
+            polls = messages.allowPolls,
+            calls = webRtc.enabled && webRtc.enableVoiceCalls,
+            groups = true // Static for now as chats config doesn't have a simple toggle
+        )
+
+    val limits: LimitsConfig
+        get() = LimitsConfig(
+            maxFileSize = messages.maxFileSize,
+            maxGroupMembers = chats.maxGroupParticipants
+        )
+}
+
+data class StoriesConfig(
+    @SerializedName("enabled") val enabled: Boolean = true
+)
+
+data class MessagesConfig(
+    @SerializedName("maxFileSize") val maxFileSize: Long = 100 * 1024 * 1024,
+    @SerializedName("allowPolls") val allowPolls: Boolean = true
+)
+
+data class ChatsConfig(
+    @SerializedName("maxGroupParticipants") val maxGroupParticipants: Int = 200
+)
+
+data class WebRtcConfig(
+    @SerializedName("enabled") val enabled: Boolean = true,
+    @SerializedName("enableVoiceCalls") val enableVoiceCalls: Boolean = true,
+    @SerializedName("enableVideoCalls") val enableVideoCalls: Boolean = true
+)
+
+// DTOs to maintain compatibility with existing UI code if possible
+data class FeaturesConfig(
+    val stories: Boolean,
+    val polls: Boolean,
+    val calls: Boolean,
+    val groups: Boolean
+)
+
+data class LimitsConfig(
+    val maxFileSize: Long,
+    val maxGroupMembers: Int
+)

client-mobile/core/network/AuthInterceptor.kt

@@ -0,0 +1,79 @@
+package core.network
+
+import core.security.TokenManager
+import okhttp3.Interceptor
+import okhttp3.Response
+import javax.inject.Inject
+import javax.inject.Singleton
+import kotlinx.coroutines.runBlocking
+
+@Singleton
+class AuthInterceptor @Inject constructor(
+    private val tokenManager: TokenManager,
+    private val navigationManager: core.utils.NavigationManager,
+    private val authRepositoryProvider: javax.inject.Provider<auth.domain.repository.AuthRepository>
+) : Interceptor {
+    
+    @Volatile
+    private var isRefreshing = false
+    
+    override fun intercept(chain: Interceptor.Chain): Response {
+        val token = tokenManager.getToken()
+        val request = chain.request().newBuilder().apply {
+            token?.let {
+                addHeader("Authorization", "Bearer $it")
+            }
+        }.build()
+        
+        var response = chain.proceed(request)
+        
+        if (response.code == 401) {
+            // Attempt to refresh token synchronously
+            val refreshedToken = refreshAuthToken()
+            
+            if (refreshedToken != null) {
+                // Close the old response before retrying
+                response.close()
+                
+                // Retry the original request with the new token
+                val retryRequest = chain.request().newBuilder()
+                    .addHeader("Authorization", "Bearer $refreshedToken")
+                    .build()
+                response = chain.proceed(retryRequest)
+            } else {
+                // Refresh failed, logout
+                logoutUser()
+            }
+        }
+        
+        return response
+    }
+    
+    private fun refreshAuthToken(): String? {
+        if (isRefreshing) {
+            // Already refreshing, wait and return current token
+            return tokenManager.getToken()
+        }
+        
+        return runBlocking {
+            isRefreshing = true
+            try {
+                val result = authRepositoryProvider.get().refreshToken()
+                if (result.isSuccess) {
+                    result.getOrNull()?.token
+                } else {
+                    null
+                }
+            } finally {
+                isRefreshing = false
+            }
+        }
+    }
+    
+    private fun logoutUser() {
+        runBlocking {
+            authRepositoryProvider.get().logout()
+        }
+        navigationManager.logout()
+    }
+}

client-mobile/core/network/DynamicBaseUrlInterceptor.kt

@@ -0,0 +1,46 @@
+package core.network
+
+import okhttp3.HttpUrl.Companion.toHttpUrlOrNull
+import okhttp3.Interceptor
+import okhttp3.Response
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class DynamicBaseUrlInterceptor @Inject constructor(
+    private val serverConfig: ServerConfig
+) : Interceptor {
+    override fun intercept(chain: Interceptor.Chain): Response {
+        val originalRequest = chain.request()
+        val newBaseUrlString = serverConfig.getBaseUrl()
+        val newBaseUrl = newBaseUrlString.toHttpUrlOrNull() ?: return chain.proceed(originalRequest)
+
+        val oldUrl = originalRequest.url
+        
+        // Формируем новый URL. 
+        // Retrofit-пути у нас начинаются БЕЗ слеша (например "auth/login")
+        // Поэтому мы просто берем путь из настроек и добавляем к нему путь запроса.
+        val newUrl = newBaseUrl.newBuilder().apply {
+            val pathSegments = oldUrl.pathSegments
+            // Добавляем сегменты пути запроса к базовому пути из настроек
+            pathSegments.forEach { segment ->
+                if (segment.isNotEmpty()) {
+                    addEncodedPathSegment(segment)
+                }
+            }
+            // Копируем параметры запроса (query params)
+            for (i in 0 until oldUrl.querySize) {
+                addEncodedQueryParameter(
+                    oldUrl.queryParameterName(i),
+                    oldUrl.queryParameterValue(i)
+                )
+            }
+        }.build()
+
+        val newRequest = originalRequest.newBuilder()
+            .url(newUrl)
+            .build()
+
+        return chain.proceed(newRequest)
+    }
+}

client-mobile/core/network/ServerConfig.kt

@@ -0,0 +1,50 @@
+package core.network
+
+import android.content.Context
+import com.google.gson.Gson
+import core.domain.model.FeaturesConfig
+import core.domain.model.ServerConfigModel
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class ServerConfig @Inject constructor(
+    private val context: Context,
+    private val gson: Gson
+) {
+    private val prefs = context.getSharedPreferences("server_config_prefs", Context.MODE_PRIVATE)
+
+    companion object {
+        private const val KEY_BASE_URL = "base_url"
+        private const val KEY_CONFIG_DATA = "server_config_data"
+        private const val DEFAULT_BASE_URL = ""  // Пустой по умолчанию
+    }
+
+    fun getBaseUrl(): String {
+        return prefs.getString(KEY_BASE_URL, DEFAULT_BASE_URL) ?: DEFAULT_BASE_URL
+    }
+
+    fun setBaseUrl(url: String) {
+        val formattedUrl = if (url.endsWith("/")) url else "$url/"
+        prefs.edit().putString(KEY_BASE_URL, formattedUrl).apply()
+    }
+
+    fun saveServerConfig(config: ServerConfigModel) {
+        android.util.Log.d("ServerConfig", "Saving new config: $config")
+        prefs.edit().putString(KEY_CONFIG_DATA, gson.toJson(config)).commit()
+    }
+
+    fun getServerConfig(): ServerConfigModel {
+        val json = prefs.getString(KEY_CONFIG_DATA, null) ?: return ServerConfigModel()
+        return try {
+            gson.fromJson(json, ServerConfigModel::class.java)
+        } catch (e: Exception) {
+            ServerConfigModel()
+        }
+    }
+
+    fun isFeatureEnabled(feature: (FeaturesConfig) -> Boolean): Boolean {
+        return feature(getServerConfig().features)
+    }
+}
+

client-mobile/core/notifications/data/ActiveChatTracker.kt

@@ -0,0 +1,28 @@
+package core.notifications.data
+
+import javax.inject.Inject
+import javax.inject.Singleton
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.asStateFlow
+
+@Singleton
+class ActiveChatTracker @Inject constructor() {
+    private val _currentChatId = MutableStateFlow<String?>(null)
+    val currentChatId: StateFlow<String?> = _currentChatId.asStateFlow()
+
+    private val _totalUnreadCount = MutableStateFlow(0)
+    val totalUnreadCount: StateFlow<Int> = _totalUnreadCount.asStateFlow()
+
+    fun setChatId(chatId: String?) {
+        _currentChatId.value = chatId
+    }
+
+    fun setTotalUnreadCount(count: Int) {
+        _totalUnreadCount.value = count
+    }
+
+    fun incrementUnreadCount() {
+        _totalUnreadCount.value += 1
+    }
+}

client-mobile/core/notifications/data/KnotFirebaseMessagingService.kt

@@ -0,0 +1,58 @@
+package core.notifications.data
+
+import com.google.firebase.messaging.FirebaseMessagingService
+import com.google.firebase.messaging.RemoteMessage
+import auth.data.remote.api.AuthApi
+import dagger.hilt.android.AndroidEntryPoint
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.SupervisorJob
+import kotlinx.coroutines.launch
+import javax.inject.Inject
+
+@AndroidEntryPoint
+class KnotFirebaseMessagingService : FirebaseMessagingService() {
+
+    @Inject
+    lateinit var authApi: AuthApi
+
+    @Inject
+    lateinit var activeChatTracker: ActiveChatTracker
+
+    private val job = SupervisorJob()
+    private val scope = CoroutineScope(Dispatchers.IO + job)
+
+    override fun onNewToken(token: String) {
+        super.onNewToken(token)
+        // Отправляем новый токен на сервер
+        scope.launch {
+            try {
+                authApi.updatePushToken(token)
+            } catch (e: Exception) {
+                // Ошибка логируется или игнорируется (сервер может быть недоступен)
+            }
+        }
+    }
+
+    override fun onMessageReceived(message: RemoteMessage) {
+        super.onMessageReceived(message)
+        android.util.Log.d("FCM", "Message received: ${message.data}")
+
+        val title = message.notification?.title ?: message.data["title"]
+        val body = message.notification?.body ?: message.data["body"]
+        val type = message.data["type"] // "chat", "call", "story"
+        val chatId = message.data["chatId"]
+        val messageId = message.data["id"] ?: message.messageId
+
+        NotificationHelper.showNotification(this, title, body, type, chatId, messageId?.hashCode(), activeChatTracker.totalUnreadCount.value)
+    }
+
+    private fun showNotification(title: String?, body: String?, type: String?) {
+        NotificationHelper.showNotification(this, title, body, type, totalCount = activeChatTracker.totalUnreadCount.value)
+    }
+
+    override fun onDestroy() {
+        job.cancel()
+        super.onDestroy()
+    }
+}

client-mobile/core/notifications/data/NotificationHelper.kt

@@ -0,0 +1,57 @@
+package core.notifications.data
+
+import android.app.NotificationChannel
+import android.app.NotificationManager
+import android.app.PendingIntent
+import android.content.Context
+import android.content.Intent
+import android.os.Build
+import androidx.core.app.NotificationCompat
+import ru.knot.messager.R
+
+object NotificationHelper {
+    private const val CHANNEL_ID = "knot_notifications_channel"
+
+    fun showNotification(context: Context, title: String?, body: String?, type: String?, chatId: String? = null, notificationId: Int? = null, totalCount: Int = 0) {
+        val notificationManager = context.getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
+
+        val finalNotificationId = notificationId ?: (System.currentTimeMillis() % Int.MAX_VALUE).toInt()
+
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+            val channel = NotificationChannel(
+                CHANNEL_ID,
+                "Knot Notifications",
+                NotificationManager.IMPORTANCE_HIGH
+            ).apply {
+                description = "Chat and system notifications"
+            }
+            notificationManager.createNotificationChannel(channel)
+        }
+
+        // Find our launcher activity via package manager to avoid static dependency on MainActivity
+        val intent = context.packageManager.getLaunchIntentForPackage(context.packageName)?.apply {
+            action = Intent.ACTION_MAIN
+            addCategory(Intent.CATEGORY_LAUNCHER)
+            addFlags(Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_SINGLE_TOP)
+            putExtra("type", type)
+            putExtra("chatId", chatId)
+        } ?: return
+        
+        val pendingIntent = PendingIntent.getActivity(
+            context, System.currentTimeMillis().toInt(), intent,
+            PendingIntent.FLAG_UPDATE_CURRENT or (if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) PendingIntent.FLAG_IMMUTABLE else 0)
+        )
+
+        val notificationBuilder = NotificationCompat.Builder(context, CHANNEL_ID)
+            .setSmallIcon(R.drawable.ic_notification)
+            .setContentTitle(title)
+            .setContentText(body)
+            .setAutoCancel(true)
+            .setPriority(NotificationCompat.PRIORITY_HIGH)
+            .setDefaults(NotificationCompat.DEFAULT_ALL)
+            .setNumber(totalCount)
+            .setContentIntent(pendingIntent)
+
+        notificationManager.notify(finalNotificationId, notificationBuilder.build())
+    }
+}

client-mobile/core/presentation/components/AppAudioPlayer.kt

@@ -0,0 +1,310 @@
+package core.presentation.components
+
+import androidx.compose.foundation.background
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.shape.CircleShape
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Pause
+import androidx.compose.material.icons.filled.PlayArrow
+import androidx.compose.material.icons.filled.Download
+import androidx.compose.material.icons.filled.VolumeUp
+import androidx.compose.material3.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.input.pointer.pointerInput
+import androidx.compose.foundation.gestures.detectTapGestures
+import androidx.compose.ui.layout.onSizeChanged
+import androidx.compose.ui.unit.IntSize
+import androidx.media3.common.MediaItem
+import androidx.media3.common.PlaybackParameters
+import androidx.media3.common.Player
+import androidx.media3.exoplayer.ExoPlayer
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.launch
+
+@Composable
+fun AppAudioPlayer(
+    url: String,
+    name: String? = null,
+    size: Long? = null,
+    isVoiceMessage: Boolean = false,
+    initialPlaybackSpeed: Float = core.utils.PlaybackManager.globalPlaybackSpeed.value,
+    autoPlay: Boolean = false,
+    onFinished: (Float) -> Unit = {},
+    modifier: Modifier = Modifier,
+    contentColor: Color = Color.White
+) {
+    val context = LocalContext.current
+    val scope = rememberCoroutineScope()
+    var playbackSpeed by remember { mutableFloatStateOf(initialPlaybackSpeed) }
+    
+    // Update global speed when changed locally
+    LaunchedEffect(playbackSpeed) {
+        core.utils.PlaybackManager.globalPlaybackSpeed.value = playbackSpeed
+    }
+
+    val exoPlayer = remember {
+        ExoPlayer.Builder(context).build().apply {
+            val mediaItem = MediaItem.fromUri(url)
+            setMediaItem(mediaItem)
+            playbackParameters = PlaybackParameters(playbackSpeed)
+            val savedPos = core.utils.PlaybackManager.getPosition(url)
+            seekTo(savedPos)
+            prepare()
+        }
+    }
+
+    // Обработка сигнала авто-запуска
+    LaunchedEffect(autoPlay) {
+        if (autoPlay) {
+            exoPlayer.play()
+            core.utils.PlaybackManager.currentPlayingUrl.value = url
+        }
+    }
+
+    var isPlaying by remember { mutableStateOf(false) }
+    var currentPosition by remember { mutableLongStateOf(core.utils.PlaybackManager.getPosition(url)) }
+    var duration by remember { mutableLongStateOf(0L) }
+    var layoutSize by remember { mutableStateOf(IntSize.Zero) }
+
+    // Глобальная синхронизация: если играет кто-то другой, ставим паузу
+    val globalPlayingUrl by core.utils.PlaybackManager.currentPlayingUrl
+    LaunchedEffect(globalPlayingUrl) {
+        if (globalPlayingUrl != url && isPlaying) {
+            exoPlayer.pause()
+        }
+    }
+
+    val fileName = remember(url, name) { 
+        name ?: url.substringAfterLast("/") 
+    }
+
+    DisposableEffect(Unit) {
+        val listener = object : Player.Listener {
+            override fun onIsPlayingChanged(playing: Boolean) {
+                isPlaying = playing
+                if (playing) {
+                    core.utils.PlaybackManager.currentPlayingUrl.value = url
+                }
+            }
+            override fun onPlaybackStateChanged(state: Int) {
+                if (state == Player.STATE_READY) {
+                    duration = exoPlayer.duration
+                } else if (state == Player.STATE_ENDED) {
+                    exoPlayer.pause() // Явно останавливаем, чтобы не было авто-реплея при seekTo
+                    if (isVoiceMessage) {
+                        exoPlayer.seekTo(0)
+                        currentPosition = 0
+                        core.utils.PlaybackManager.resetPosition(url)
+                    }
+                    onFinished(playbackSpeed)
+                }
+            }
+        }
+        exoPlayer.addListener(listener)
+        onDispose {
+            core.utils.PlaybackManager.savePosition(url, exoPlayer.currentPosition)
+            exoPlayer.removeListener(listener)
+            exoPlayer.release()
+        }
+    }
+
+    LaunchedEffect(isPlaying) {
+        if (isPlaying) {
+            while (isPlaying) {
+                currentPosition = exoPlayer.currentPosition
+                core.utils.PlaybackManager.savePosition(url, currentPosition)
+                delay(200)
+            }
+        }
+    }
+
+    Column(
+        modifier = modifier
+            .fillMaxWidth()
+            .clip(RoundedCornerShape(12.dp))
+            .background(Color.White.copy(alpha = 0.12f))
+            .padding(8.dp)
+    ) {
+        // Header: Icon and Name
+        Row(
+            verticalAlignment = Alignment.CenterVertically,
+            modifier = Modifier.padding(bottom = 8.dp)
+        ) {
+            Icon(
+                imageVector = Icons.Default.VolumeUp,
+                contentDescription = null,
+                tint = contentColor.copy(alpha = 0.6f),
+                modifier = Modifier.size(14.dp)
+            )
+            Spacer(modifier = Modifier.width(6.dp))
+            Text(
+                text = if (isVoiceMessage) "Голосовое сообщение" else fileName,
+                fontSize = 13.sp,
+                fontWeight = FontWeight.Bold,
+                color = contentColor,
+                maxLines = 1,
+                modifier = Modifier.weight(1f)
+            )
+        }
+
+        Row(
+            verticalAlignment = Alignment.CenterVertically,
+            modifier = Modifier.fillMaxWidth()
+        ) {
+            // Play/Pause Button
+            Box(
+                modifier = Modifier
+                    .size(44.dp)
+                    .clip(CircleShape)
+                    .background(Color.White)
+                    .clickable { if (isPlaying) exoPlayer.pause() else exoPlayer.play() },
+                contentAlignment = Alignment.Center
+            ) {
+                Icon(
+                    imageVector = if (isPlaying) Icons.Default.Pause else Icons.Default.PlayArrow,
+                    contentDescription = null,
+                    tint = Color(0xFF3390EC),
+                    modifier = Modifier.size(28.dp)
+                )
+            }
+
+            Spacer(modifier = Modifier.width(12.dp))
+
+            Column(modifier = Modifier.weight(1f)) {
+                // Waveform
+                Box(
+                    modifier = Modifier
+                        .fillMaxWidth()
+                        .height(30.dp)
+                        .onSizeChanged { layoutSize = it }
+                        .pointerInput(duration) {
+                            detectTapGestures { offset ->
+                                if (duration > 0 && layoutSize.width > 0) {
+                                    val pct = offset.x / layoutSize.width.toFloat()
+                                    val newPos = (pct * duration).toLong()
+                                    exoPlayer.seekTo(newPos)
+                                    currentPosition = newPos
+                                }
+                            }
+                        },
+                    contentAlignment = Alignment.CenterStart
+                ) {
+                    androidx.compose.foundation.Canvas(modifier = Modifier.fillMaxSize()) {
+                        val barCount = 40
+                        val barSpacing = 2.dp.toPx()
+                        val barWidth = (this.size.width - (barCount - 1) * barSpacing) / barCount
+                        val progress = if (duration > 0) currentPosition.toFloat() / duration.toFloat() else 0f
+                        
+                        val barHeights = listOf(
+                            0.3f, 0.5f, 0.2f, 0.7f, 0.4f, 0.8f, 0.3f, 0.6f, 0.4f, 0.7f, 
+                            0.2f, 0.6f, 0.5f, 0.8f, 0.3f, 0.7f, 0.4f, 0.6f, 0.2f, 0.8f,
+                            0.4f, 0.5f, 0.3f, 0.7f, 0.5f, 0.6f, 0.4f, 0.3f, 0.4f, 0.6f,
+                            0.3f, 0.2f, 0.4f, 0.5f, 0.3f, 0.6f, 0.4f, 0.7f, 0.3f, 0.5f
+                        )
+
+                        for (i in 0 until barCount) {
+                            val x = i * (barWidth + barSpacing)
+                            val heightPct = barHeights[i % barHeights.size]
+                            val barHeight = this.size.height * heightPct
+                            val isActive = (i.toFloat() / barCount) <= progress
+                            
+                            drawRoundRect(
+                                color = if (isActive) Color.White else Color.White.copy(alpha = 0.25f),
+                                topLeft = androidx.compose.ui.geometry.Offset(x, (this.size.height - barHeight) / 2),
+                                size = androidx.compose.ui.geometry.Size(barWidth, barHeight),
+                                cornerRadius = androidx.compose.ui.geometry.CornerRadius(2.dp.toPx())
+                            )
+                        }
+                    }
+                }
+
+                Spacer(modifier = Modifier.height(2.dp))
+
+                // Footer: Time, Size, Download
+                Row(
+                    modifier = Modifier.fillMaxWidth(),
+                    verticalAlignment = Alignment.CenterVertically,
+                    horizontalArrangement = Arrangement.SpaceBetween
+                ) {
+                    Row(verticalAlignment = Alignment.CenterVertically) {
+                        Text(
+                            text = formatDuration(if (isPlaying || currentPosition > 0) currentPosition else duration),
+                            fontSize = 11.sp,
+                            color = contentColor.copy(alpha = 0.7f)
+                        )
+                        if (!isVoiceMessage) {
+                            size?.let {
+                                Spacer(modifier = Modifier.width(12.dp))
+                                val sizeStr = if (it > 1024 * 1024) String.format("%.1f MB", it / (1024.0 * 1024.0)) else "${it / 1024} KB"
+                                Text(
+                                    text = sizeStr,
+                                    fontSize = 11.sp,
+                                    fontWeight = FontWeight.Bold,
+                                    color = contentColor.copy(alpha = 0.7f)
+                                )
+                            }
+                        }
+                    }
+                    
+                    if (!isVoiceMessage) {
+                        Icon(
+                            imageVector = Icons.Default.Download,
+                            contentDescription = null,
+                            tint = contentColor.copy(alpha = 0.6f),
+                            modifier = Modifier.size(14.dp).clickable {
+                                scope.launch {
+                                    core.utils.DownloadUtils.downloadMedia(context, url, fileName)
+                                }
+                            }
+                        )
+                    }
+                }
+            }
+
+            // Speed toggle (only for voice messages or if user wants)
+            if (isVoiceMessage || playbackSpeed > 1.0f) {
+                Spacer(modifier = Modifier.width(8.dp))
+                Surface(
+                    onClick = {
+                        playbackSpeed = when (playbackSpeed) {
+                            1.0f -> 1.5f
+                            1.5f -> 2.0f
+                            else -> 1.0f
+                        }
+                        exoPlayer.playbackParameters = PlaybackParameters(playbackSpeed)
+                    },
+                    color = Color.White.copy(alpha = 0.1f),
+                    shape = CircleShape,
+                    modifier = Modifier.size(32.dp)
+                ) {
+                    Box(contentAlignment = Alignment.Center) {
+                        Text(
+                            text = "${if (playbackSpeed % 1.0f == 0.0f) playbackSpeed.toInt() else playbackSpeed}x",
+                            fontSize = 10.sp,
+                            fontWeight = FontWeight.Bold,
+                            color = Color.White
+                        )
+                    }
+                }
+            }
+        }
+    }
+}
+
+private fun formatDuration(durationMs: Long): String {
+    if (durationMs <= 0) return "0:00"
+    val totalSeconds = durationMs / 1000
+    val minutes = totalSeconds / 60
+    val seconds = totalSeconds % 60
+    return String.format("%d:%02d", minutes, seconds)
+}

client-mobile/core/presentation/components/AppAvatar.kt

@@ -0,0 +1,85 @@
+package core.presentation.components
+
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.size
+import androidx.compose.material3.*
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.remember
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.graphics.Color
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Bookmark
+import androidx.compose.ui.layout.ContentScale
+import androidx.compose.ui.unit.Dp
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import coil.compose.AsyncImage
+import androidx.compose.foundation.shape.RoundedCornerShape
+import core.presentation.theme.SoftSquareShape
+
+@Composable
+fun AppAvatar(
+    url: String?,
+    name: String,
+    size: Dp = 48.dp,
+    modifier: Modifier = Modifier
+) {
+    val isSavedMessages = remember(name) { 
+        name.equals("Избранное", ignoreCase = true) || name.equals("Saved Messages", ignoreCase = true) 
+    }
+    
+    val initials = remember(name) {
+        if (isSavedMessages) "" else {
+            val words = name.trim().split("\\s+".toRegex())
+            if (words.size >= 2) {
+                (words[0].take(1) + words[1].take(1)).uppercase()
+            } else if (name.length >= 2) {
+                name.take(2).uppercase()
+            } else {
+                name.take(1).uppercase()
+            }
+        }
+    }
+
+    val avatarColor = Color(0xFF4AA6F3) // Premium Telegram Blue (Web)
+
+    val cornerRadius = remember(size) {
+        if (size <= 32.dp) (size.value * 0.25).dp else 12.dp
+    }
+
+    Box(
+        modifier = modifier
+            .size(size)
+            .clip(RoundedCornerShape(cornerRadius))
+            .background(avatarColor),
+        contentAlignment = Alignment.Center
+    ) {
+        if (!url.isNullOrBlank()) {
+            AsyncImage(
+                model = url,
+                contentDescription = name,
+                modifier = Modifier.size(size),
+                contentScale = ContentScale.Crop
+            )
+        } else if (isSavedMessages) {
+            Icon(
+                imageVector = Icons.Default.Bookmark,
+                contentDescription = null,
+                tint = Color.White,
+                modifier = Modifier.size((size.value * 0.5).dp)
+            )
+        } else {
+            Text(
+                text = initials,
+                color = Color.White,
+                fontSize = (size.value * 0.4).sp,
+                fontWeight = androidx.compose.ui.text.font.FontWeight.Bold,
+                style = MaterialTheme.typography.titleMedium
+            )
+        }
+    }
+}
+

client-mobile/core/presentation/components/AppMediaLightbox.kt

@@ -0,0 +1,241 @@
+package core.presentation.components
+
+import androidx.compose.animation.*
+import androidx.compose.foundation.background
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.gestures.calculatePan
+import androidx.compose.foundation.gestures.calculateZoom
+import androidx.compose.foundation.gestures.detectTransformGestures
+import androidx.compose.foundation.gestures.awaitEachGesture
+import androidx.compose.foundation.gestures.detectTapGestures
+import androidx.compose.foundation.gestures.rememberTransformableState
+import androidx.compose.foundation.gestures.transformable
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.shape.CircleShape
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Close
+import androidx.compose.material.icons.filled.Download
+import androidx.compose.material.icons.filled.InsertDriveFile
+import androidx.compose.material3.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.graphics.graphicsLayer
+import androidx.compose.ui.input.pointer.pointerInput
+import androidx.compose.ui.layout.ContentScale
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.geometry.Offset
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.window.Dialog
+import androidx.compose.ui.window.DialogProperties
+import coil.compose.AsyncImage
+import chats.domain.model.Media
+import androidx.compose.foundation.pager.HorizontalPager
+import androidx.compose.foundation.pager.rememberPagerState
+import android.content.Intent
+import android.net.Uri
+import kotlinx.coroutines.launch
+
+@OptIn(androidx.compose.foundation.ExperimentalFoundationApi::class)
+@Composable
+fun AppMediaLightbox(
+    mediaList: List<Media>,
+    initialIndex: Int = 0,
+    onClose: () -> Unit
+) {
+    val context = LocalContext.current
+    val scope = rememberCoroutineScope()
+    val pagerState = rememberPagerState(initialPage = initialIndex, pageCount = { mediaList.size })
+    var canScroll by remember { mutableStateOf(true) }
+    
+    Dialog(
+        onDismissRequest = onClose,
+        properties = DialogProperties(
+            usePlatformDefaultWidth = false,
+            decorFitsSystemWindows = false
+        )
+    ) {
+        Box(
+            modifier = Modifier
+                .fillMaxSize()
+                .background(Color.Black)
+        ) {
+            HorizontalPager(
+                state = pagerState,
+                modifier = Modifier.fillMaxSize(),
+                pageSpacing = 16.dp,
+                beyondBoundsPageCount = 1,
+                userScrollEnabled = canScroll
+            ) { page ->
+                val media = mediaList[page]
+
+                Box(
+                    modifier = Modifier.fillMaxSize(),
+                    contentAlignment = Alignment.Center
+                ) {
+                    if (media.type.startsWith("video")) {
+                        val isCurrentPage = pagerState.currentPage == page
+                        AppVideoPlayer(
+                            url = media.url,
+                            modifier = Modifier.fillMaxSize(),
+                            useController = true,
+                            autoPlay = isCurrentPage // Только если страница активна
+                        )
+                    } else if (media.type.startsWith("image") || media.type.contains("gif")) {
+                        var scale by remember { mutableFloatStateOf(1f) }
+                        var offset by remember { mutableStateOf(androidx.compose.ui.geometry.Offset.Zero) }
+                        
+                        // Reset zoom when page changes
+                        LaunchedEffect(pagerState.currentPage) {
+                            scale = 1f
+                            offset = androidx.compose.ui.geometry.Offset.Zero
+                            canScroll = true
+                        }
+
+                        Box(
+                            modifier = Modifier
+                                .fillMaxSize()
+                                .pointerInput(Unit) {
+                                    detectTapGestures(
+                                        onDoubleTap = {
+                                            if (scale > 1f) {
+                                                scale = 1f
+                                                offset = Offset.Zero
+                                                canScroll = true
+                                            } else {
+                                                scale = 3f
+                                                canScroll = false
+                                            }
+                                        }
+                                    )
+                                }
+                                .pointerInput(Unit) {
+                                    awaitEachGesture {
+                                        do {
+                                            val event = awaitPointerEvent()
+                                            val zoomActive = scale > 1f || event.changes.size > 1
+                                            
+                                            if (zoomActive) {
+                                                // Если мы в режиме зума - поглощаем события
+                                                event.changes.forEach { it.consume() }
+                                                
+                                                // Сами вычисляем трансформацию
+                                                val zoomChange = event.calculateZoom()
+                                                val panChange = event.calculatePan()
+                                                
+                                                scale = (scale * zoomChange).coerceIn(1f, 5f)
+                                                canScroll = scale <= 1f
+                                                
+                                                if (scale > 1f) {
+                                                    offset += panChange
+                                                } else {
+                                                    offset = Offset.Zero
+                                                }
+                                            }
+                                            // Если zoomActive == false, мы НЕ вызываем consume(), 
+                                            // и событие уходит наверх в HorizontalPager
+                                        } while (event.changes.any { it.pressed })
+                                    }
+                                },
+                            contentAlignment = Alignment.Center
+                        ) {
+                            AsyncImage(
+                                model = media.url,
+                                imageLoader = core.utils.CoilUtils.getGifImageLoader(LocalContext.current),
+                                contentDescription = null,
+                                modifier = Modifier
+                                    .fillMaxSize()
+                                    .graphicsLayer(
+                                        scaleX = scale,
+                                        scaleY = scale,
+                                        translationX = offset.x,
+                                        translationY = offset.y
+                                    ),
+                                contentScale = ContentScale.Fit
+                            )
+                        }
+                    }
+ else {
+                        // Document / File placeholder in Lightbox
+                        Column(
+                            modifier = Modifier.fillMaxSize().padding(32.dp),
+                            verticalArrangement = Arrangement.Center,
+                            horizontalAlignment = Alignment.CenterHorizontally
+                        ) {
+                            Icon(
+                                imageVector = Icons.Default.InsertDriveFile,
+                                contentDescription = null,
+                                tint = Color.White,
+                                modifier = Modifier.size(100.dp)
+                            )
+                            Spacer(modifier = Modifier.height(24.dp))
+                            Text(
+                                text = media.filename ?: "File",
+                                color = Color.White,
+                                style = MaterialTheme.typography.headlineSmall,
+                                textAlign = androidx.compose.ui.text.style.TextAlign.Center
+                            )
+                            Spacer(modifier = Modifier.height(32.dp))
+                            Button(
+                                onClick = {
+                                    try {
+                                        val intent = Intent(Intent.ACTION_VIEW, Uri.parse(media.url))
+                                        context.startActivity(intent)
+                                    } catch (e: Exception) {
+                                        // Handle error (no app to open)
+                                    }
+                                },
+                                colors = ButtonDefaults.buttonColors(containerColor = Color.White, contentColor = Color.Black)
+                            ) {
+                                Text("Открыть в приложении")
+                            }
+                        }
+                    }
+                }
+            }
+
+            // Top Bar
+            Row(
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .statusBarsPadding()
+                    .padding(16.dp),
+                horizontalArrangement = Arrangement.SpaceBetween,
+                verticalAlignment = Alignment.CenterVertically
+            ) {
+                IconButton(
+                    onClick = onClose,
+                    modifier = Modifier
+                        .clip(CircleShape)
+                        .background(Color.Black.copy(alpha = 0.5f))
+                ) {
+                    Icon(Icons.Default.Close, contentDescription = null, tint = Color.White)
+                }
+
+                if (mediaList.isNotEmpty()) {
+                    Text(
+                        text = "${pagerState.currentPage + 1} / ${mediaList.size}",
+                        color = Color.White,
+                        style = MaterialTheme.typography.titleMedium
+                    )
+                }
+
+                IconButton(
+                    onClick = {
+                        val currentMedia = mediaList[pagerState.currentPage]
+                        scope.launch {
+                            core.utils.DownloadUtils.downloadMedia(context, currentMedia.url, currentMedia.filename)
+                        }
+                    },
+                    modifier = Modifier
+                        .clip(CircleShape)
+                        .background(Color.Black.copy(alpha = 0.5f))
+                ) {
+                    Icon(Icons.Default.Download, contentDescription = null, tint = Color.White)
+                }
+            }
+        }
+    }
+}

client-mobile/core/presentation/components/AppVideoPlayer.kt

@@ -0,0 +1,204 @@
+package core.presentation.components
+
+import androidx.compose.animation.*
+import androidx.compose.foundation.background
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.interaction.MutableInteractionSource
+import androidx.compose.foundation.layout.*
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.*
+import androidx.compose.material.icons.rounded.*
+import androidx.compose.material3.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import androidx.compose.ui.viewinterop.AndroidView
+import androidx.media3.common.MediaItem
+import androidx.media3.common.Player
+import androidx.media3.exoplayer.ExoPlayer
+import androidx.media3.ui.PlayerView
+import androidx.media3.ui.AspectRatioFrameLayout
+import kotlinx.coroutines.delay
+import androidx.annotation.OptIn
+import androidx.media3.common.util.UnstableApi
+import androidx.compose.foundation.shape.CircleShape
+import androidx.compose.ui.draw.clip
+
+@OptIn(UnstableApi::class)
+@Composable
+fun AppVideoPlayer(
+    url: String,
+    modifier: Modifier = Modifier,
+    useController: Boolean = true,
+    autoPlay: Boolean = true,
+    isMuted: Boolean = false,
+    onVideoFinished: () -> Unit = {}
+) {
+    val context = LocalContext.current
+    val exoPlayer = remember {
+        ExoPlayer.Builder(context).build().apply {
+            val mediaItem = MediaItem.fromUri(url)
+            setMediaItem(mediaItem)
+            volume = if (isMuted) 0f else 1f
+            prepare()
+            playWhenReady = autoPlay
+        }
+    }
+
+    var isPlaying by remember { mutableStateOf(autoPlay) }
+    var currentPosition by remember { mutableLongStateOf(0L) }
+    var duration by remember { mutableLongStateOf(0L) }
+    var isControlsVisible by remember { mutableStateOf(true) }
+    var isDragging by remember { mutableStateOf(false) }
+
+    DisposableEffect(Unit) {
+        val listener = object : Player.Listener {
+            override fun onIsPlayingChanged(playing: Boolean) {
+                isPlaying = playing
+            }
+            override fun onPlaybackStateChanged(state: Int) {
+                if (state == Player.STATE_READY) {
+                    duration = exoPlayer.duration
+                } else if (state == Player.STATE_ENDED) {
+                    onVideoFinished()
+                }
+            }
+        }
+        exoPlayer.addListener(listener)
+        onDispose {
+            exoPlayer.removeListener(listener)
+            exoPlayer.release()
+        }
+    }
+
+    LaunchedEffect(isPlaying, isDragging) {
+        if (isPlaying && !isDragging) {
+            while (isPlaying) {
+                currentPosition = exoPlayer.currentPosition
+                delay(500)
+            }
+        }
+    }
+
+    Box(modifier = modifier.background(Color.Black)) {
+        AndroidView(
+            factory = {
+                PlayerView(it).apply {
+                    player = exoPlayer
+                    this.useController = false // We use our own UI if needed
+                    resizeMode = AspectRatioFrameLayout.RESIZE_MODE_FIT
+                    setBackgroundColor(android.graphics.Color.BLACK)
+                }
+            },
+            modifier = Modifier.fillMaxSize().clickable(
+                interactionSource = remember { MutableInteractionSource() },
+                indication = null,
+                enabled = useController // Only clickable if we have controls
+            ) {
+                isControlsVisible = !isControlsVisible
+            }
+        )
+
+        AnimatedVisibility(
+            visible = isControlsVisible && useController,
+            enter = fadeIn(),
+            exit = fadeOut()
+        ) {
+            Box(
+                modifier = Modifier
+                    .fillMaxSize()
+                    .background(Color.Black.copy(alpha = 0.3f))
+            ) {
+                // Center Controls
+                Row(
+                    modifier = Modifier.align(Alignment.Center),
+                    verticalAlignment = Alignment.CenterVertically,
+                    horizontalArrangement = Arrangement.spacedBy(24.dp)
+                ) {
+                    IconButton(
+                        onClick = { exoPlayer.seekTo((exoPlayer.currentPosition - 10000).coerceAtLeast(0)) },
+                        modifier = Modifier.size(48.dp)
+                    ) {
+                        Icon(Icons.Rounded.Replay10, contentDescription = null, tint = Color.White, modifier = Modifier.size(36.dp))
+                    }
+
+                    Box(
+                        modifier = Modifier
+                            .size(64.dp)
+                            .clip(CircleShape)
+                            .background(Color.White.copy(alpha = 0.2f))
+                            .clickable { if (isPlaying) exoPlayer.pause() else exoPlayer.play() },
+                        contentAlignment = Alignment.Center
+                    ) {
+                        Icon(
+                            imageVector = if (isPlaying) Icons.Rounded.Pause else Icons.Rounded.PlayArrow,
+                            contentDescription = null,
+                            tint = Color.White,
+                            modifier = Modifier.size(44.dp)
+                        )
+                    }
+
+                    IconButton(
+                        onClick = { exoPlayer.seekTo((exoPlayer.currentPosition + 10000).coerceAtMost(duration)) },
+                        modifier = Modifier.size(48.dp)
+                    ) {
+                        Icon(Icons.Rounded.Forward10, contentDescription = null, tint = Color.White, modifier = Modifier.size(36.dp))
+                    }
+                }
+
+                // Bottom Controls
+                Column(
+                    modifier = Modifier
+                        .align(Alignment.BottomCenter)
+                        .padding(bottom = 16.dp, start = 16.dp, end = 16.dp)
+                ) {
+                    Slider(
+                        value = currentPosition.toFloat(),
+                        onValueChange = {
+                            isDragging = true
+                            currentPosition = it.toLong()
+                        },
+                        onValueChangeFinished = {
+                            exoPlayer.seekTo(currentPosition)
+                            isDragging = false
+                        },
+                        valueRange = 0f..(duration.toFloat().coerceAtLeast(1f)),
+                        colors = SliderDefaults.colors(
+                            thumbColor = Color.White,
+                            activeTrackColor = Color.White,
+                            inactiveTrackColor = Color.White.copy(alpha = 0.3f)
+                        ),
+                        modifier = Modifier.height(24.dp)
+                    )
+
+                    Row(
+                        modifier = Modifier.fillMaxWidth(),
+                        horizontalArrangement = Arrangement.SpaceBetween,
+                        verticalAlignment = Alignment.CenterVertically
+                    ) {
+                        Text(
+                            text = "${formatTime(currentPosition)} · ${formatTime(duration)}",
+                            color = Color.White,
+                            fontSize = 12.sp
+                        )
+                        
+                        IconButton(onClick = { /* Settings */ }) {
+                            Icon(Icons.Rounded.Settings, contentDescription = null, tint = Color.White, modifier = Modifier.size(20.dp))
+                        }
+                    }
+                }
+            }
+        }
+    }
+}
+
+private fun formatTime(ms: Long): String {
+    val totalSeconds = ms / 1000
+    val minutes = totalSeconds / 60
+    val seconds = totalSeconds % 60
+    return String.format("%02d:%02d", minutes, seconds)
+}

client-mobile/core/presentation/components/GlassNavigationBar.kt

@@ -0,0 +1,146 @@
+package core.presentation.components
+
+import androidx.compose.foundation.background
+import androidx.compose.foundation.border
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.shape.CircleShape
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.AccountCircle
+import androidx.compose.material.icons.filled.QuestionAnswer
+import androidx.compose.material.icons.filled.Settings
+import androidx.compose.material3.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.draw.blur
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.graphics.Brush
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.graphics.vector.ImageVector
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import ru.knot.messager.R
+
+@Composable
+fun GlassNavigationBar(
+    currentRoute: String,
+    onNavigate: (String) -> Unit,
+    userAvatarUrl: String? = null,
+    username: String = ""
+) {
+    // Контейнер с эффектом стекла
+    Box(
+        modifier = Modifier
+            .fillMaxWidth()
+            .padding(horizontal = 16.dp, vertical = 12.dp)
+            .height(64.dp)
+            .clip(RoundedCornerShape(32.dp))
+            .background(Color(0xFF1C1C1E).copy(alpha = 0.95f))
+            .border(
+                0.5.dp, 
+                Color.White.copy(alpha = 0.1f),
+                RoundedCornerShape(32.dp)
+            ),
+        contentAlignment = Alignment.Center
+    ) {
+        Row(
+            modifier = Modifier.fillMaxSize(),
+            horizontalArrangement = Arrangement.SpaceEvenly,
+            verticalAlignment = Alignment.CenterVertically
+        ) {
+            NavItem(
+                icon = Icons.Default.QuestionAnswer,
+                label = stringResource(R.string.chats),
+                isSelected = currentRoute == "chat_list",
+                onClick = { onNavigate("chat_list") }
+            )
+            NavItem(
+                icon = Icons.Default.AccountCircle,
+                label = stringResource(R.string.contacts_tab),
+                isSelected = currentRoute == "contacts",
+                onClick = { onNavigate("contacts") }
+            )
+            NavItem(
+                icon = Icons.Default.Settings,
+                label = stringResource(R.string.settings),
+                isSelected = currentRoute == "settings",
+                onClick = { onNavigate("settings") }
+            )
+            // Профиль с аватаром
+            ProfileNavItem(
+                avatarUrl = userAvatarUrl,
+                username = username,
+                isSelected = currentRoute.startsWith("profile"),
+                onClick = { onNavigate("profile") }
+            )
+        }
+    }
+}
+
+@Composable
+private fun RowScope.NavItem(
+    icon: ImageVector,
+    label: String,
+    isSelected: Boolean,
+    onClick: () -> Unit
+) {
+    val contentColor = if (isSelected) Color(0xFF3390EC) else Color(0xFF94A3B8)
+    Column(
+        modifier = Modifier
+            .weight(1f)
+            .clickable(onClick = onClick)
+            .padding(vertical = 4.dp),
+        horizontalAlignment = Alignment.CenterHorizontally,
+        verticalArrangement = Arrangement.Center
+    ) {
+        Icon(
+            icon, 
+            contentDescription = label, 
+            tint = contentColor, 
+            modifier = Modifier.size(26.dp)
+        )
+        Text(
+            text = label, 
+            color = contentColor, 
+            fontSize = 10.sp, 
+            fontWeight = if (isSelected) FontWeight.Bold else FontWeight.Normal,
+            modifier = Modifier.padding(top = 2.dp)
+        )
+    }
+}
+
+@Composable
+private fun RowScope.ProfileNavItem(
+    avatarUrl: String?,
+    username: String,
+    isSelected: Boolean,
+    onClick: () -> Unit
+) {
+    val contentColor = if (isSelected) Color(0xFF3390EC) else Color(0xFF94A3B8)
+    
+    Column(
+        modifier = Modifier
+            .weight(1f)
+            .clickable(onClick = onClick)
+            .padding(vertical = 4.dp),
+        horizontalAlignment = Alignment.CenterHorizontally,
+        verticalArrangement = Arrangement.Center
+    ) {
+        AppAvatar(
+            url = avatarUrl,
+            name = username,
+            size = 26.dp
+        )
+        Text(
+            text = stringResource(R.string.profile_tab), 
+            color = contentColor, 
+            fontSize = 10.sp, 
+            fontWeight = if (isSelected) FontWeight.Bold else FontWeight.Normal,
+            modifier = Modifier.padding(top = 2.dp)
+        )
+    }
+}

client-mobile/core/presentation/settings/SettingsScreen.kt

@@ -0,0 +1,242 @@
+package core.presentation.settings
+
+import androidx.compose.foundation.background
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.*
+import androidx.compose.material3.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.graphics.vector.ImageVector
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import androidx.hilt.navigation.compose.hiltViewModel
+import ru.knot.messager.R
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun SettingsScreen(
+    onBack: () -> Unit,
+    onLogout: () -> Unit = {},
+    viewModel: SettingsViewModel = hiltViewModel()
+) {
+    val state by viewModel.state.collectAsState()
+    var baseUrl by remember(state.baseUrl) { mutableStateOf(state.baseUrl) }
+
+    // Убран автоматический вызов loadConfig() - теперь только по кнопке Refresh
+
+    Scaffold(
+        containerColor = Color(0xFF0F0F10),
+        topBar = {
+            TopAppBar(
+                title = { Text(stringResource(R.string.settings), fontWeight = FontWeight.Bold) },
+                navigationIcon = {
+                    IconButton(onClick = onBack) {
+                        Icon(Icons.Default.ArrowBack, contentDescription = stringResource(R.string.back), tint = Color.White)
+                    }
+                },
+                actions = {
+                    IconButton(onClick = { viewModel.loadConfig() }) {
+                        Icon(Icons.Default.Sync, contentDescription = "Refresh", tint = Color.White)
+                    }
+                },
+                colors = TopAppBarDefaults.topAppBarColors(
+                    containerColor = Color(0xFF0F0F10),
+                    titleContentColor = Color.White
+                )
+            )
+        }
+    ) { paddingValues ->
+        Column(
+            modifier = Modifier
+                .fillMaxSize()
+                .padding(paddingValues)
+                .verticalScroll(rememberScrollState())
+                .padding(16.dp)
+        ) {
+            if (state.isLoading) {
+                LinearProgressIndicator(
+                    modifier = Modifier.fillMaxWidth().padding(bottom = 16.dp),
+                    color = Color(0xFF3390EC)
+                )
+            }
+            
+            if (state.error != null) {
+                Text(
+                    text = "Ошибка обновления: ${state.error}",
+                    color = Color.Red,
+                    style = MaterialTheme.typography.labelSmall,
+                    modifier = Modifier.padding(bottom = 16.dp)
+                )
+            }
+            // Server Section
+            SettingsSection(title = stringResource(R.string.server_connection)) {
+                Column(modifier = Modifier.padding(12.dp)) {
+                    Text(
+                        text = stringResource(R.string.api_base_url),
+                        style = MaterialTheme.typography.labelMedium,
+                        color = Color(0xFF3390EC)
+                    )
+                    Row(verticalAlignment = Alignment.CenterVertically) {
+                        TextField(
+                            value = baseUrl,
+                            onValueChange = { baseUrl = it },
+                            modifier = Modifier.weight(1f),
+                            colors = TextFieldDefaults.colors(
+                                focusedContainerColor = Color.Transparent,
+                                unfocusedContainerColor = Color.Transparent,
+                                focusedTextColor = Color.White,
+                                unfocusedTextColor = Color.White,
+                                focusedIndicatorColor = Color(0xFF3390EC),
+                                unfocusedIndicatorColor = Color.Gray.copy(alpha = 0.5f)
+                            ),
+                            placeholder = { 
+                                Text("Например: http://192.168.1.100:5034/api/", color = Color.Gray.copy(alpha = 0.5f)) 
+                            }
+                        )
+                        IconButton(onClick = { viewModel.saveBaseUrl(baseUrl) }) {
+                            Icon(Icons.Default.Save, contentDescription = null, tint = Color(0xFF3390EC))
+                        }
+                    }
+                }
+            }
+
+            Spacer(modifier = Modifier.height(24.dp))
+
+            // Features Section
+            SettingsSection(title = stringResource(R.string.server_features)) {
+                Column {
+                    SettingsToggleItem(
+                        icon = Icons.Default.History,
+                        label = stringResource(R.string.stories),
+                        enabled = state.config.features.stories
+                    )
+                    SettingsToggleItem(
+                        icon = Icons.Default.Poll,
+                        label = stringResource(R.string.polls),
+                        enabled = state.config.features.polls
+                    )
+                    SettingsToggleItem(
+                        icon = Icons.Default.Call,
+                        label = stringResource(R.string.calls),
+                        enabled = state.config.features.calls
+                    )
+                    SettingsToggleItem(
+                        icon = Icons.Default.Group,
+                        label = stringResource(R.string.groups),
+                        enabled = state.config.features.groups
+                    )
+                }
+            }
+
+            Spacer(modifier = Modifier.height(24.dp))
+
+            // Limits Section
+            SettingsSection(title = stringResource(R.string.limits)) {
+                Column {
+                    SettingsInfoItem(
+                        icon = Icons.Default.Storage,
+                        label = stringResource(R.string.max_file_size),
+                        value = "${state.config.limits.maxFileSize / (1024 * 1024)} MB"
+                    )
+                    SettingsInfoItem(
+                        icon = Icons.Default.People,
+                        label = stringResource(R.string.max_group_members),
+                        value = state.config.limits.maxGroupMembers.toString()
+                    )
+                }
+            }
+
+            Spacer(modifier = Modifier.height(32.dp))
+
+            // Logout Button
+            Button(
+                onClick = onLogout,
+                modifier = Modifier.fillMaxWidth(),
+                colors = ButtonDefaults.buttonColors(containerColor = Color(0xFFE53935)),
+                shape = RoundedCornerShape(12.dp)
+            ) {
+                Icon(Icons.Default.Logout, contentDescription = null)
+                Spacer(modifier = Modifier.width(8.dp))
+                Text(stringResource(R.string.log_out), fontWeight = FontWeight.Bold)
+            }
+            
+            Spacer(modifier = Modifier.height(80.dp)) // Space for bottom bar
+        }
+    }
+}
+
+@Composable
+fun SettingsSection(title: String, content: @Composable () -> Unit) {
+    Column {
+        Text(
+            text = title.uppercase(),
+            style = MaterialTheme.typography.labelSmall,
+            color = Color(0xFF3390EC),
+            fontWeight = FontWeight.Bold,
+            modifier = Modifier.padding(start = 8.dp, bottom = 8.dp)
+        )
+        Surface(
+            color = Color(0xFF1C1C1E),
+            shape = RoundedCornerShape(16.dp),
+            modifier = Modifier.fillMaxWidth()
+        ) {
+            content()
+        }
+    }
+}
+
+@Composable
+fun SettingsToggleItem(icon: ImageVector, label: String, enabled: Boolean) {
+    Row(
+        modifier = Modifier
+            .fillMaxWidth()
+            .padding(16.dp),
+        verticalAlignment = Alignment.CenterVertically,
+        horizontalArrangement = Arrangement.SpaceBetween
+    ) {
+        Row(verticalAlignment = Alignment.CenterVertically) {
+            Icon(icon, contentDescription = null, tint = Color.Gray, modifier = Modifier.size(24.dp))
+            Spacer(modifier = Modifier.width(16.dp))
+            Text(label, color = Color.White, fontSize = 16.sp)
+        }
+        Text(
+            text = if (enabled) stringResource(R.string.enabled) else stringResource(R.string.disabled),
+            color = if (enabled) Color(0xFF3390EC) else Color(0xFFE53935),
+            fontWeight = FontWeight.Bold,
+            fontSize = 14.sp
+        )
+    }
+}
+
+@Composable
+fun SettingsInfoItem(icon: ImageVector, label: String, value: String) {
+    Row(
+        modifier = Modifier
+            .fillMaxWidth()
+            .padding(16.dp),
+        verticalAlignment = Alignment.CenterVertically,
+        horizontalArrangement = Arrangement.SpaceBetween
+    ) {
+        Row(verticalAlignment = Alignment.CenterVertically) {
+            Icon(icon, contentDescription = null, tint = Color.Gray, modifier = Modifier.size(24.dp))
+            Spacer(modifier = Modifier.width(16.dp))
+            Text(label, color = Color.White, fontSize = 16.sp)
+        }
+        Text(
+            text = value,
+            color = Color.White,
+            fontWeight = FontWeight.Medium,
+            fontSize = 14.sp
+        )
+    }
+}

client-mobile/core/presentation/settings/SettingsViewModel.kt

@@ -0,0 +1,81 @@
+package core.presentation.settings
+
+import android.util.Log
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import core.domain.model.ServerConfigModel
+import core.network.ServerConfig
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.asStateFlow
+import kotlinx.coroutines.flow.update
+import kotlinx.coroutines.launch
+import javax.inject.Inject
+
+data class SettingsState(
+    val baseUrl: String = "",
+    val config: ServerConfigModel = ServerConfigModel(),
+    val isLoading: Boolean = false,
+    val error: String? = null
+)
+
+@HiltViewModel
+class SettingsViewModel @Inject constructor(
+    private val serverConfig: ServerConfig,
+    private val authRepository: auth.domain.repository.AuthRepository
+) : ViewModel() {
+
+    private val _state = MutableStateFlow(SettingsState())
+    val state: StateFlow<SettingsState> = _state.asStateFlow()
+
+    init {
+        refreshState()
+        // loadConfig() убран - вызывается только по кнопке Refresh или если URL уже введён
+    }
+
+    private fun refreshState() {
+        _state.update {
+            it.copy(
+                baseUrl = serverConfig.getBaseUrl(),
+                config = serverConfig.getServerConfig()
+            )
+        }
+    }
+
+    fun loadConfig() {
+        // Не загружаем конфиг, если URL не введён
+        val currentUrl = serverConfig.getBaseUrl()
+        if (currentUrl.isBlank()) {
+            android.util.Log.d("SettingsViewModel", "Base URL is empty, skipping config load")
+            return
+        }
+        
+        viewModelScope.launch {
+            _state.update { it.copy(isLoading = true, error = null) }
+            val result = authRepository.fetchConfig()
+            Log.d("SettingsViewModel", "Fetch result: ${result.isSuccess}")
+            if (result.isSuccess) {
+                refreshState()
+            } else {
+                _state.update { it.copy(error = result.exceptionOrNull()?.message) }
+            }
+            _state.update { it.copy(isLoading = false) }
+        }
+    }
+
+    fun saveBaseUrl(url: String) {
+        val currentUrl = serverConfig.getBaseUrl()
+        
+        // Если URL действительно изменился, очищаем токен и логируем
+        if (currentUrl != url) {
+            android.util.Log.d("SettingsViewModel", "Server URL changed: $currentUrl -> $url, clearing token")
+            viewModelScope.launch {
+                authRepository.logout()
+            }
+        }
+        
+        serverConfig.setBaseUrl(url)
+        _state.update { it.copy(baseUrl = url) }
+    }
+}

client-mobile/core/presentation/theme/Theme.kt

@@ -0,0 +1,41 @@
+package core.presentation.theme
+
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.darkColorScheme
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.unit.dp
+
+// Цвета из веб-версии (Dark Mode)
+val DarkBackground = Color(0xFF0F0F10)
+val SurfaceContainer = Color(0xFF161618)
+val Primary = Color(0xFF6366F1) // Indigo/Primary из Tailwind
+val PrimaryIndigo = Primary
+val Indigo500 = Primary
+val OnSurfaceVariant = Color(0xFF94A3B8)
+
+private val DarkColors = darkColorScheme(
+    primary = Primary,
+    background = DarkBackground,
+    surface = SurfaceContainer,
+    onPrimary = Color.White,
+    onBackground = Color.White,
+    onSurface = Color.White,
+    onSurfaceVariant = OnSurfaceVariant
+)
+
+val SoftSquareShape = RoundedCornerShape(14.dp) // "Мягкий квадрат" как в вэб
+
+@Composable
+fun KnotTheme(content: @Composable () -> Unit) {
+    MaterialTheme(
+        colorScheme = DarkColors,
+        shapes = MaterialTheme.shapes.copy(
+            small = RoundedCornerShape(12.dp),
+            medium = SoftSquareShape,
+            large = RoundedCornerShape(32.dp)
+        ),
+        content = content
+    )
+}

client-mobile/core/security/TokenManager.kt

@@ -0,0 +1,49 @@
+package core.security
+
+import android.content.Context
+import androidx.security.crypto.EncryptedSharedPreferences
+import androidx.security.crypto.MasterKey
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class TokenManager @Inject constructor(context: Context) {
+    private val masterKey = MasterKey.Builder(context)
+        .setKeyScheme(MasterKey.KeyScheme.AES256_GCM)
+        .build()
+
+    private val prefs = EncryptedSharedPreferences.create(
+        context,
+        "auth_prefs",
+        masterKey,
+        EncryptedSharedPreferences.PrefKeyEncryptionScheme.AES256_SIV,
+        EncryptedSharedPreferences.PrefValueEncryptionScheme.AES256_GCM
+    )
+
+    fun saveToken(token: String, userId: String? = null, refreshToken: String? = null) {
+        val editor = prefs.edit().putString("jwt_token", token)
+        if (userId != null) {
+            editor.putString("user_id", userId)
+        }
+        if (refreshToken != null) {
+            editor.putString("refresh_token", refreshToken)
+        }
+        editor.apply()
+    }
+
+    fun getToken(): String? {
+        return prefs.getString("jwt_token", null)
+    }
+
+    fun getRefreshToken(): String? {
+        return prefs.getString("refresh_token", null)
+    }
+
+    fun getUserId(): String? {
+        return prefs.getString("user_id", null)
+    }
+
+    fun deleteToken() {
+        prefs.edit().remove("jwt_token").remove("user_id").remove("refresh_token").apply()
+    }
+}

client-mobile/core/utils/CoilUtils.kt

@@ -0,0 +1,26 @@
+package core.utils
+
+import android.content.Context
+import android.os.Build
+import coil.ImageLoader
+import coil.decode.GifDecoder
+import coil.decode.ImageDecoderDecoder
+
+object CoilUtils {
+    private var gifImageLoader: ImageLoader? = null
+
+    fun getGifImageLoader(context: Context): ImageLoader {
+        if (gifImageLoader == null) {
+            gifImageLoader = ImageLoader.Builder(context)
+                .components {
+                    if (Build.VERSION.SDK_INT >= 28) {
+                        add(ImageDecoderDecoder.Factory())
+                    } else {
+                        add(GifDecoder.Factory())
+                    }
+                }
+                .build()
+        }
+        return gifImageLoader!!
+    }
+}

client-mobile/core/utils/DownloadUtils.kt

@@ -0,0 +1,90 @@
+package core.utils
+
+import android.app.DownloadManager
+import android.content.ContentValues
+import android.content.Context
+import android.net.Uri
+import android.os.Build
+import android.os.Environment
+import android.provider.MediaStore
+import android.widget.Toast
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.withContext
+import java.net.URL
+
+object DownloadUtils {
+
+    suspend fun downloadMedia(context: Context, url: String, fileName: String?) {
+        withContext(Dispatchers.IO) {
+            try {
+                val name = fileName ?: url.substringAfterLast("/")
+                val extension = name.substringAfterLast(".", "jpg")
+                val isImage = extension in listOf("jpg", "jpeg", "png", "webp", "gif")
+                val isVideo = extension in listOf("mp4", "webm", "mkv", "mov")
+
+                if (isImage || isVideo) {
+                    saveToGallery(context, url, name, isImage)
+                } else {
+                    useDownloadManager(context, url, name)
+                }
+            } catch (e: Exception) {
+                withContext(Dispatchers.Main) {
+                    Toast.makeText(context, "Ошибка скачивания: ${e.localizedMessage}", Toast.LENGTH_SHORT).show()
+                }
+            }
+        }
+    }
+
+    private fun useDownloadManager(context: Context, url: String, fileName: String) {
+        val request = DownloadManager.Request(Uri.parse(url))
+            .setTitle(fileName)
+            .setDescription("Downloading...")
+            .setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED)
+            .setDestinationInExternalPublicDir(Environment.DIRECTORY_DOWNLOADS, fileName)
+            .setAllowedOverMetered(true)
+            .setAllowedOverRoaming(true)
+
+        val downloadManager = context.getSystemService(Context.DOWNLOAD_SERVICE) as DownloadManager
+        downloadManager.enqueue(request)
+        
+        // Show feedback
+        (context as? android.app.Activity)?.runOnUiThread {
+            Toast.makeText(context, "Загрузка началась: $fileName", Toast.LENGTH_SHORT).show()
+        }
+    }
+
+    private suspend fun saveToGallery(context: Context, url: String, fileName: String, isImage: Boolean) {
+        val resolver = context.contentResolver
+        val contentValues = ContentValues().apply {
+            put(MediaStore.MediaColumns.DISPLAY_NAME, fileName)
+            put(MediaStore.MediaColumns.MIME_TYPE, if (isImage) "image/jpeg" else "video/mp4")
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
+                put(MediaStore.MediaColumns.RELATIVE_PATH, if (isImage) Environment.DIRECTORY_PICTURES else Environment.DIRECTORY_MOVIES)
+                put(MediaStore.MediaColumns.IS_PENDING, 1)
+            }
+        }
+
+        val collection = if (isImage) {
+            MediaStore.Images.Media.EXTERNAL_CONTENT_URI
+        } else {
+            MediaStore.Video.Media.EXTERNAL_CONTENT_URI
+        }
+
+        val uri = resolver.insert(collection, contentValues)
+        uri?.let {
+            URL(url).openStream().use { input ->
+                resolver.openOutputStream(it).use { output ->
+                    input.copyTo(output!!)
+                }
+            }
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
+                contentValues.clear()
+                contentValues.put(MediaStore.MediaColumns.IS_PENDING, 0)
+                resolver.update(it, contentValues, null, null)
+            }
+            withContext(Dispatchers.Main) {
+                Toast.makeText(context, "Сохранено в галерею", Toast.LENGTH_SHORT).show()
+            }
+        }
+    }
+}

client-mobile/core/utils/FileUtils.kt

@@ -0,0 +1,31 @@
+package core.utils
+
+import android.content.Context
+import android.net.Uri
+import java.io.File
+import java.io.FileOutputStream
+import java.util.UUID
+
+fun copyUriToFile(context: Context, uri: Uri): File? {
+    return try {
+        val cursor = context.contentResolver.query(uri, null, null, null, null)
+        val originalName = cursor?.use {
+            if (it.moveToFirst()) {
+                val index = it.getColumnIndex(android.provider.OpenableColumns.DISPLAY_NAME)
+                if (index != -1) it.getString(index) else null
+            } else null
+        } ?: "${UUID.randomUUID()}.tmp"
+
+        val inputStream = context.contentResolver.openInputStream(uri)
+        val file = File(context.cacheDir, originalName)
+        val outputStream = FileOutputStream(file)
+        inputStream?.use { input ->
+            outputStream.use { output ->
+                input.copyTo(output)
+            }
+        }
+        file
+    } catch (e: Exception) {
+        null
+    }
+}

client-mobile/core/utils/ImageCropper.kt

@@ -0,0 +1,32 @@
+package core.utils
+
+import android.content.Context
+import android.net.Uri
+import androidx.compose.ui.graphics.toArgb
+import com.yalantis.ucrop.UCrop
+import core.presentation.theme.Indigo500
+import java.io.File
+
+object ImageCropper {
+    fun getCropIntent(
+        context: Context,
+        sourceUri: Uri,
+        destinationUri: Uri
+    ): UCrop {
+        val options = UCrop.Options().apply {
+            setCompressionQuality(90)
+            setHideBottomControls(false)
+            setFreeStyleCropEnabled(false) // Фиксированный аспект
+            setToolbarColor(Indigo500.toArgb())
+            setStatusBarColor(Indigo500.toArgb())
+            setActiveControlsWidgetColor(Indigo500.toArgb())
+            setToolbarTitle("Crop Avatar")
+            // Настройка под "квадрат" (софт-сквайр эмулируется на стороне UI, кроп всегда 1:1)
+        }
+
+        return UCrop.of(sourceUri, destinationUri)
+            .withAspectRatio(1f, 1f)
+            .withMaxResultSize(1000, 1000)
+            .withOptions(options)
+    }
+}

client-mobile/core/utils/ImageUtils.kt

@@ -0,0 +1,59 @@
+package core.utils
+
+import android.content.Context
+import android.graphics.Bitmap
+import android.graphics.BitmapFactory
+import android.graphics.Matrix
+import android.net.Uri
+import java.io.File
+import java.io.FileOutputStream
+import java.util.UUID
+
+object ImageUtils {
+    fun compressImage(context: Context, uri: Uri, maxWidth: Int = 1280, maxHeight: Int = 1280, quality: Int = 80): File? {
+        return try {
+            val inputStream = context.contentResolver.openInputStream(uri)
+            val options = BitmapFactory.Options().apply {
+                inJustDecodeBounds = true
+            }
+            BitmapFactory.decodeStream(inputStream, null, options)
+            inputStream?.close()
+
+            var inSampleSize = 1
+            if (options.outHeight > maxHeight || options.outWidth > maxWidth) {
+                val halfHeight = options.outHeight / 2
+                val halfWidth = options.outWidth / 2
+                while (halfHeight / inSampleSize >= maxHeight && halfWidth / inSampleSize >= maxWidth) {
+                    inSampleSize *= 2
+                }
+            }
+
+            val decodeOptions = BitmapFactory.Options().apply {
+                inSampleSize = inSampleSize
+            }
+            val finalInputStream = context.contentResolver.openInputStream(uri)
+            var bitmap = BitmapFactory.decodeStream(finalInputStream, null, decodeOptions)
+            finalInputStream?.close()
+
+            if (bitmap == null) return null
+
+            // Resize if still too large
+            if (bitmap.width > maxWidth || bitmap.height > maxHeight) {
+                val scale = Math.min(maxWidth.toFloat() / bitmap.width, maxHeight.toFloat() / bitmap.height)
+                val matrix = Matrix().apply { postScale(scale, scale) }
+                bitmap = Bitmap.createBitmap(bitmap, 0, 0, bitmap.width, bitmap.height, matrix, true)
+            }
+
+            val file = File(context.cacheDir, "compressed_${UUID.randomUUID()}.jpg")
+            val out = FileOutputStream(file)
+            bitmap.compress(Bitmap.CompressFormat.JPEG, quality, out)
+            out.flush()
+            out.close()
+            
+            file
+        } catch (e: Exception) {
+            e.printStackTrace()
+            null
+        }
+    }
+}

client-mobile/core/utils/LinkParser.kt

@@ -0,0 +1,20 @@
+package core.utils
+
+data class LinkMetadata(
+    val url: String,
+    val title: String? = null,
+    val description: String? = null,
+    val imageUrl: String? = null
+)
+
+object LinkParser {
+    private val URL_PATTERN = Regex(
+        "(?:^|[\\s])(https?://[^\\s\\n\\r\"]+)",
+        RegexOption.IGNORE_CASE
+    )
+
+    fun findLinks(text: String): List<String> {
+        if (text.isEmpty()) return emptyList()
+        return URL_PATTERN.findAll(text).map { it.groupValues[1].trim() }.toList()
+    }
+}

client-mobile/core/utils/NavigationManager.kt

@@ -0,0 +1,24 @@
+package core.utils
+
+import javax.inject.Inject
+import javax.inject.Singleton
+import kotlinx.coroutines.flow.MutableSharedFlow
+
+sealed class NavEvent {
+    data class OpenChat(val chatId: String) : NavEvent()
+    object Logout : NavEvent()
+}
+
+@Singleton
+class NavigationManager @Inject constructor() {
+    private val _events = MutableSharedFlow<NavEvent>(extraBufferCapacity = 1)
+    val events = _events
+
+    fun navigateToChat(chatId: String) {
+        _events.tryEmit(NavEvent.OpenChat(chatId))
+    }
+
+    fun logout() {
+        _events.tryEmit(NavEvent.Logout)
+    }
+}