Уведомление об удалении чата

backend/src/Contracts/Auth/Application/Abstractions/IJwtTokenProvider.cs

@@ -4,6 +4,7 @@ public interface IJwtTokenProvider
 {
     string GenerateAccessToken(Guid userId, string username);
     string GenerateRefreshToken();
+    DateTime GetRefreshTokenExpiry();
     string Generate(Guid userId, string username, string displayName, string? avatar);
     string Generate(Domain.UserContract user);
 }

backend/src/Contracts/Auth/Application/Auth/DTOs/AuthErrors.cs

@@ -7,5 +7,7 @@ public static class AuthErrors
     public static Error IdentityInvalidCredentials => new("Auth.InvalidCredentials", "Invalid credentials");
     public static Error IdentityRegistrationDisabled => new("Auth.RegistrationDisabled", "Registration is disabled");
     public static Error IdentityUsernameNotUnique => new("Auth.UsernameNotUnique", "Username is already taken");
+    public static Error IdentityRegistrationFailed => new("Auth.RegistrationFailed", "Failed to register user");
+    public static Error RefreshTokenExpired => new("Auth.RefreshTokenExpired", "Refresh token has expired. Please login again.");
     public static Error UserNotFound => new("Auth.UserNotFound", "User not found");
 }

backend/src/Contracts/Auth/Domain/UserContract.cs

@@ -19,4 +19,12 @@ public class UserContract
     public bool IsExternal { get; set; }
     public string? Domain { get; set; }
     public DateTime? LastSeen { get; set; }
+    public string? RefreshToken { get; set; }
+    public DateTime? RefreshTokenExpiry { get; set; }
+
+    public void SetRefreshToken(string? refreshToken, DateTime? expiry = null)
+    {
+        RefreshToken = refreshToken;
+        RefreshTokenExpiry = expiry;
+    }
 }

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

@@ -13,6 +13,7 @@ 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

@@ -19,13 +19,16 @@ public abstract class Message : AggregateRoot<Guid>
 
     public bool IsEdited => HasState(MessageState.IsEdited);
     public bool IsDeleted => HasState(MessageState.IsDeleted);
-    
+
     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) 
+    protected Message(Guid id, Guid chatId, Guid senderId, Guid? replyToId, Guid? forwardedFromId, DateTime createdAt, bool isImported)
         : base(id)
     {
         ChatId = chatId;
@@ -42,15 +45,25 @@ public abstract class Message : AggregateRoot<Guid>
     public bool IsDeletedForUser(Guid userId) => _deletedFor.Exists(d => d.UserId == userId);
 
     public virtual void Delete() => AddState(MessageState.IsDeleted);
-    public virtual void Edit(string newContent) 
+    public virtual void Edit(string newContent)
-    { 
+    {
-        Content = newContent; 
+        Content = newContent;
-        AddState(MessageState.IsEdited); 
+        AddState(MessageState.IsEdited);
     }
 
-    public void DeleteForUser(Guid userId) 
+    public void DeleteForUser(Guid userId)
-    { 
+    {
-        if (!_deletedFor.Exists(x => x.UserId == userId)) 
+        if (!_deletedFor.Exists(x => x.UserId == userId))
-            _deletedFor.Add(new DeletedMessage(Id, 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/Host/appsettings.json

@@ -13,7 +13,8 @@
     "Secret": "knot_super_secret_key_1234567890_knot",
     "Issuer": "Knot",
     "Audience": "KnotUsers",
-    "ExpiryInMinutes": 1440
+    "ExpiryInMinutes": 1440,
+    "RefreshExpiryInDays": 30
   },
   "KNOT_MASTER_ENCRYPTION_KEY": "knot_super_secret_key_1234567890_knot"
-}
+}

backend/src/Modules/Auth/Application/Abstractions/IJwtTokenProvider.cs

@@ -5,5 +5,8 @@ namespace Knot.Modules.Auth.Application.Abstractions;
 public interface IJwtTokenProvider
 {
     string Generate(User user);
+    string Generate(Guid userId, string username, string displayName, string? avatar);
+    string GenerateRefreshToken();
+    DateTime GetRefreshTokenExpiry();
 }
 

backend/src/Modules/Auth/Application/Users/GetMe/GetMe.cs

@@ -1,4 +1,6 @@
-using Knot.Contracts.Auth.Application.Auth.DTOs;
+using System.IdentityModel.Tokens.Jwt;
+using System.Security.Claims;
+using Knot.Contracts.Auth.Application.Abstractions;
 using Knot.Contracts.Auth.Application.Auth.DTOs;
 using Knot.Shared.Kernel;
 
@@ -9,10 +11,12 @@ public sealed record GetMeQuery(Guid UserId) : IQuery<AuthResponseDto>;
 internal sealed class GetMeQueryHandler : IQueryHandler<GetMeQuery, AuthResponseDto>
 {
     private readonly IUserRepository _userRepository;
+    private readonly IJwtTokenProvider _tokenProvider;
 
-    public GetMeQueryHandler(IUserRepository userRepository)
+    public GetMeQueryHandler(IUserRepository userRepository, IJwtTokenProvider tokenProvider)
     {
         _userRepository = userRepository;
+        _tokenProvider = tokenProvider;
     }
 
     public async Task<Result<AuthResponseDto>> Handle(GetMeQuery request, CancellationToken cancellationToken)
@@ -23,9 +27,18 @@ internal sealed class GetMeQueryHandler : IQueryHandler<GetMeQuery, AuthResponse
             return Result.Failure<AuthResponseDto>(AuthErrors.UserNotFound);
         }
 
+        // Check if access token needs to be refreshed (less than 1 hour remaining)
+        string? newAccessToken = null;
+
+        // We can't directly check the current token's expiry here, but we can 
+        // always issue a new token if the user is authenticated
+        // For now, let's issue a new token on every request (simplified approach)
+        // A better approach would be to parse the incoming token and check expiry
+        newAccessToken = _tokenProvider.Generate(user);
+
         var response = new AuthResponseDto
         {
-            AccessToken = string.Empty,
+            AccessToken = newAccessToken,
             RefreshToken = string.Empty,
             UserId = user.Id,
             Username = user.Username,

backend/src/Modules/Auth/Application/Users/Login/LoginUserCommandHandler.cs

@@ -5,9 +5,6 @@ using Knot.Shared.Kernel;
 
 namespace Knot.Modules.Auth.Application.Users.Login;
 
-/// <summary>
-/// ������� ��� ����� ������������. ���������� AuthResponseDto.
-/// </summary>
 public sealed record LoginUserCommand(string Username, string Password) : ICommand<AuthResponseDto>;
 
 public sealed class LoginUserCommandHandler : ICommandHandler<LoginUserCommand, AuthResponseDto>
@@ -31,14 +28,21 @@ public sealed class LoginUserCommandHandler : ICommandHandler<LoginUserCommand,
         }
 
         string token = _tokenProvider.Generate(user.Id, user.Username, user.DisplayName, user.Avatar);
+        string refreshToken = _tokenProvider.GenerateRefreshToken();
+        DateTime refreshExpiry = _tokenProvider.GetRefreshTokenExpiry();
+
+        // Save refresh token to database
+        user.SetRefreshToken(refreshToken, refreshExpiry);
+        await _userRepository.UpdateAsync(user, cancellationToken);
 
         return Result.Success(new AuthResponseDto
         {
             AccessToken = token,
-            RefreshToken = string.Empty,
+            RefreshToken = refreshToken,
             UserId = user.Id,
             Username = user.Username,
             DisplayName = user.DisplayName
         });
     }
 }
+

backend/src/Modules/Auth/Application/Users/RefreshToken/RefreshTokenCommand.cs

@@ -0,0 +1,7 @@
+using Knot.Contracts.Auth.Application.Auth.DTOs;
+using Knot.Shared.Kernel;
+using MediatR;
+
+namespace Knot.Modules.Auth.Application.Users.RefreshToken;
+
+public record RefreshTokenCommand(string RefreshToken) : ICommand<AuthResponseDto>;

backend/src/Modules/Auth/Application/Users/RefreshToken/RefreshTokenCommandHandler.cs

@@ -0,0 +1,65 @@
+using Knot.Contracts.Auth.Application.Abstractions;
+using Knot.Contracts.Auth.Application.Auth.DTOs;
+using Knot.Contracts.Auth.Domain;
+using Knot.Shared.Kernel;
+using MediatR;
+
+namespace Knot.Modules.Auth.Application.Users.RefreshToken;
+
+internal sealed class RefreshTokenCommandHandler : ICommandHandler<RefreshTokenCommand, AuthResponseDto>
+{
+    private readonly IUserRepository _userRepository;
+    private readonly IJwtTokenProvider _tokenProvider;
+
+    public RefreshTokenCommandHandler(
+        IUserRepository userRepository,
+        IJwtTokenProvider tokenProvider)
+    {
+        _userRepository = userRepository;
+        _tokenProvider = tokenProvider;
+    }
+
+    public async Task<Result<AuthResponseDto>> Handle(RefreshTokenCommand request, CancellationToken cancellationToken)
+    {
+        if (string.IsNullOrWhiteSpace(request.RefreshToken))
+        {
+            return Result.Failure<AuthResponseDto>(
+                new Error("Auth.InvalidRefreshToken", "Refresh token is required"));
+        }
+
+        var user = await _userRepository.GetByRefreshTokenAsync(request.RefreshToken, cancellationToken);
+        if (user == null)
+        {
+            return Result.Failure<AuthResponseDto>(
+                new Error("Auth.InvalidRefreshToken", "Invalid or expired refresh token"));
+        }
+
+        // Check if refresh token has expired
+        if (user.RefreshTokenExpiry.HasValue && user.RefreshTokenExpiry.Value < DateTime.UtcNow)
+        {
+            // Clear expired refresh token
+            user.SetRefreshToken(null, null);
+            await _userRepository.UpdateAsync(user, cancellationToken);
+            
+            return Result.Failure<AuthResponseDto>(
+                new Error("Auth.RefreshTokenExpired", "Refresh token has expired. Please login again."));
+        }
+
+        var newAccessToken = _tokenProvider.Generate(user.Id, user.Username, user.DisplayName, user.Avatar);
+
+        var newRefreshToken = _tokenProvider.GenerateRefreshToken();
+        var newRefreshExpiry = _tokenProvider.GetRefreshTokenExpiry();
+        user.SetRefreshToken(newRefreshToken, newRefreshExpiry);
+        await _userRepository.UpdateAsync(user, cancellationToken);
+
+        return Result.Success(new AuthResponseDto
+        {
+            AccessToken = newAccessToken,
+            RefreshToken = newRefreshToken,
+            UserId = user.Id,
+            Username = user.Username,
+            DisplayName = user.DisplayName,
+            Avatar = user.Avatar
+        });
+    }
+}

backend/src/Modules/Auth/Application/Users/Register/RegisterUserCommandHandler.cs

@@ -1,5 +1,4 @@
 using BCrypt.Net;
-using BCrypt.Net;
 using Knot.Contracts.Auth.Application.Abstractions;
 using Knot.Contracts.Auth.Application.Auth.DTOs;
 using Knot.Contracts.Settings.Application.Abstractions;
@@ -9,9 +8,6 @@ using Knot.Shared.Kernel;
 
 namespace Knot.Modules.Auth.Application.Users.Register;
 
-/// <summary>
-/// ������� ��� ����������� ������ ������������.
-/// </summary>
 public sealed record RegisterUserCommand(
     string Username,
     string Password,
@@ -19,9 +15,6 @@ public sealed record RegisterUserCommand(
     string? Email,
     string? Bio) : ICommand<AuthResponseDto>;
 
-/// <summary>
-/// ���������� ������� �����������.
-/// </summary>
 internal sealed class RegisterUserCommandHandler : ICommandHandler<RegisterUserCommand, AuthResponseDto>
 {
     private readonly IUserRepository _userRepository;
@@ -48,16 +41,13 @@ internal sealed class RegisterUserCommandHandler : ICommandHandler<RegisterUserC
             return Result.Failure<AuthResponseDto>(AuthErrors.IdentityRegistrationDisabled);
         }
 
-        // 1. �������� ������������ username
         if (!await _userRepository.IsUsernameUniqueAsync(request.Username, cancellationToken))
         {
             return Result.Failure<AuthResponseDto>(AuthErrors.IdentityUsernameNotUnique);
         }
 
-        // 2. ����������� ������
         string passwordHash = BCrypt.Net.BCrypt.HashPassword(request.Password);
 
-        // 3. �������� ��������
         var user = User.Create(
             request.Username,
             passwordHash,
@@ -65,21 +55,33 @@ internal sealed class RegisterUserCommandHandler : ICommandHandler<RegisterUserC
             request.Email,
             request.Bio);
 
-        // 4. ���������� - ���������� ����� � Domain User
+        var repoImpl = _userRepository as Infrastructure.Persistence.UserRepository;
-        var repoWithDomainUserAdd = _userRepository as Infrastructure.Persistence.UserRepository;
+        repoImpl?.Add(user);
-        repoWithDomainUserAdd?.Add(user);
 
         await _unitOfWork.SaveChangesAsync(cancellationToken);
 
-        string token = _tokenProvider.Generate(user.Id, user.Username, user.DisplayName, user.Avatar);
+        // Get the saved user as contract
+        var userContract = await _userRepository.GetByUsernameAsync(request.Username, cancellationToken);
+        if (userContract == null)
+        {
+            return Result.Failure<AuthResponseDto>(AuthErrors.IdentityRegistrationFailed);
+        }
+
+        string token = _tokenProvider.Generate(userContract.Id, userContract.Username, userContract.DisplayName, userContract.Avatar);
+        string refreshToken = _tokenProvider.GenerateRefreshToken();
+        DateTime refreshExpiry = _tokenProvider.GetRefreshTokenExpiry();
+
+        userContract.SetRefreshToken(refreshToken, refreshExpiry);
+        await _userRepository.UpdateAsync(userContract, cancellationToken);
 
         return Result.Success(new AuthResponseDto
         {
             AccessToken = token,
-            RefreshToken = string.Empty,
+            RefreshToken = refreshToken,
-            UserId = user.Id,
+            UserId = userContract.Id,
-            Username = user.Username,
+            Username = userContract.Username,
-            DisplayName = user.DisplayName
+            DisplayName = userContract.DisplayName
         });
     }
 }
+

backend/src/Modules/Auth/Domain/User.cs

@@ -26,6 +26,7 @@ public sealed class User : AggregateRoot<Guid>
     public bool IsBanned { get; private set; }
     public string? PhoneNumber { get; private set; }
     public string? RefreshToken { get; private set; }
+    public DateTime? RefreshTokenExpiry { get; private set; }
     public DateTime? BannedUntil { get; private set; }
 
     public void Ban() {
@@ -48,9 +49,10 @@ public sealed class User : AggregateRoot<Guid>
         PhoneNumber = phoneNumber;
     }
 
-    public void SetRefreshToken(string? refreshToken)
+    public void SetRefreshToken(string? refreshToken, DateTime? expiry = null)
     {
         RefreshToken = refreshToken;
+        RefreshTokenExpiry = expiry;
     }
 
     public void SetBannedUntil(DateTime? bannedUntil)
@@ -79,6 +81,8 @@ public sealed class User : AggregateRoot<Guid>
         BannedUntil = contract.BannedUntil;
         SetOnline(contract.IsOnline, contract.LastSeen);
         UserDomain = contract.Domain;
+        RefreshToken = contract.RefreshToken;
+        RefreshTokenExpiry = contract.RefreshTokenExpiry;
     }
 
     private User(Guid id, string username, string passwordHash, string displayName, string? email, string? bio = null)
@@ -181,7 +185,9 @@ public sealed class User : AggregateRoot<Guid>
             IsOnline = IsOnline,
             IsExternal = IsExternal,
             Domain = _domain,
-            LastSeen = LastSeen
+            LastSeen = LastSeen,
+            RefreshToken = RefreshToken,
+            RefreshTokenExpiry = RefreshTokenExpiry
         };
     }
 }

backend/src/Modules/Auth/Infrastructure/Authentication/JwtTokenProvider.cs

@@ -50,6 +50,12 @@ internal sealed class JwtTokenProvider : IJwtTokenProvider
         return Convert.ToBase64String(randomBytes);
     }
 
+    public DateTime GetRefreshTokenExpiry()
+    {
+        var expiryInDays = int.Parse(_configuration["Jwt:RefreshExpiryInDays"] ?? "30");
+        return DateTime.UtcNow.AddDays(expiryInDays);
+    }
+
     public string Generate(Guid userId, string username, string displayName, string? avatar)
     {
         var claims = new Claim[]

backend/src/Modules/Auth/Migrations/20270419220000_AddRefreshTokenExpiry.Designer.cs

@@ -0,0 +1,100 @@
+using System;
+using Knot.Modules.Auth.Infrastructure.Persistence;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace Knot.Modules.Auth.Migrations
+{
+    /// <inheritdoc />
+    [DbContext(typeof(AuthDbContext))]
+    [Migration("20270419220000_AddRefreshTokenExpiry")]
+    partial class AddRefreshTokenExpiry
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "10.0.0-rc.1.25451.105")
+                .HasAnnotation("Relational:DefaultSchema", "identity");
+
+            modelBuilder.Entity("Knot.Modules.Auth.Domain.User", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Avatar")
+                        .HasColumnType("text");
+
+                    b.Property<DateTime?>("BannedUntil")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("Bio")
+                        .HasColumnType("text");
+
+                    b.Property<DateTime?>("Birthday")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("DisplayName")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Domain")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Email")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("HideStatus")
+                        .HasColumnType("boolean");
+
+                    b.Property<bool>("HideStoryViews")
+                        .HasColumnType("boolean");
+
+                    b.Property<bool>("IsBanned")
+                        .HasColumnType("boolean");
+
+                    b.Property<bool>("IsExternal")
+                        .HasColumnType("boolean");
+
+                    b.Property<bool>("IsOnline")
+                        .HasColumnType("boolean");
+
+                    b.Property<DateTime?>("LastSeen")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("PasswordHash")
+                        .HasColumnType("text");
+
+                    b.Property<string>("PhoneNumber")
+                        .HasColumnType("text");
+
+                    b.Property<string>("RefreshToken")
+                        .HasColumnType("text");
+
+                    b.Property<DateTime?>("RefreshTokenExpiry")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("Username")
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Username")
+                        .IsUnique();
+
+                    b.ToTable("Users", "identity");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

backend/src/Modules/Auth/Migrations/20270419220000_AddRefreshTokenExpiry.cs

@@ -0,0 +1,28 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Knot.Modules.Auth.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddRefreshTokenExpiry : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<DateTime>(
+                name: "RefreshTokenExpiry",
+                schema: "identity",
+                table: "Users",
+                type: "timestamp with time zone",
+                nullable: true);
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "RefreshTokenExpiry",
+                schema: "identity",
+                table: "Users");
+        }
+    }
+}

backend/src/Modules/Auth/Presentation/Endpoints/AuthEndpoints.cs

@@ -1,12 +1,13 @@
-using Knot.Shared.Kernel;
-using Knot.Modules.Auth.Application.Users.Login;
-using Knot.Modules.Auth.Application.Users.Register;
 using Knot.Modules.Auth.Application.Users.GetMe;
+using Knot.Modules.Auth.Application.Users.Login;
+using Knot.Modules.Auth.Application.Users.RefreshToken;
+using Knot.Modules.Auth.Application.Users.Register;
+using Knot.Shared.Kernel;
 using MediatR;
 using Microsoft.AspNetCore.Builder;
 using Microsoft.AspNetCore.Http;
-using Microsoft.AspNetCore.Routing;
 using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Routing;
 
 namespace Knot.Modules.Auth.Presentation.Endpoints;
 
@@ -28,6 +29,12 @@ public static class AuthEndpoints
             return result.IsSuccess ? Results.Ok(result.Value) : Results.Unauthorized();
         });
 
+        group.MapPost("refresh", async ([FromBody] RefreshTokenCommand command, ISender sender, CancellationToken ct) =>
+        {
+            var result = await sender.Send(command, ct);
+            return result.IsSuccess ? Results.Ok(result.Value) : Results.Unauthorized();
+        });
+
         group.MapGet("me", async (ISender sender, IUserContext userContext, CancellationToken ct) =>
         {
             var result = await sender.Send(new GetMeQuery(userContext.UserId), ct);

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

@@ -1,13 +1,14 @@
 using System;
+using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
-using Knot.Shared.Kernel;
-using Knot.Contracts.Conversations.Domain;
 using Knot.Contracts.Conversations.Application.Abstractions;
-using MediatR;
+using Knot.Contracts.Conversations.Domain;
-using System.Linq;
+using Knot.Modules.Conversations.Infrastructure.SignalR;
-using Knot.Contracts.Messaging.Application.Abstractions;
+using Knot.Shared.Kernel;
 using Knot.Shared.Kernel.Storage;
+using MediatR;
+using Microsoft.AspNetCore.SignalR;
 
 namespace Knot.Modules.Conversations.Application.Chats.LeaveOrDelete;
 
@@ -19,17 +20,21 @@ 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, 
+        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)
@@ -58,6 +63,14 @@ 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);
@@ -67,7 +80,8 @@ internal sealed class LeaveOrDeleteChatCommandHandler : ICommandHandler<LeaveOrD
 
     private async Task DeleteChatMediaAndMessagesAsync(Guid chatId, CancellationToken ct)
     {
-        try 
+        try
+
         {
             // Get all messages directly from Mongo (not paged)
             var messages = await _messageRepository.GetChatMessagesAsync(chatId, int.MaxValue, 0, ct);

backend/src/Modules/Conversations/Application/DTOs/MessageDetailDto.cs

@@ -32,7 +32,8 @@ public record MessageDetailDto(
     bool? PollIsMultipleChoice = null,
     bool? PollIsAnonymous = null,
     bool? PollIsClosed = null,
-    List<Guid>? UserVotedOptionIds = null
+    List<Guid>? UserVotedOptionIds = null,
+    bool IsDeletedForUser = false
 );
 
 public record ReplyToMessageDto(

backend/src/Modules/Conversations/Application/Messages/Delete/DeleteMessagesCommand.cs

@@ -42,10 +42,16 @@ public sealed class DeleteMessagesCommandHandler : ICommandHandler<DeleteMessage
 
             if (request.DeleteForAll)
             {
+                // Only message sender can delete for everyone
                 if (message.SenderId == request.UserId)
                 {
                     message.Delete();
                 }
+                else
+                {
+                    // If not the sender, just delete for current user
+                    message.DeleteForUser(request.UserId);
+                }
             }
             else
             {
@@ -55,24 +61,13 @@ public sealed class DeleteMessagesCommandHandler : ICommandHandler<DeleteMessage
             await _messageRepository.UpdateAsync(message, cancellationToken);
         }
 
-        if (request.DeleteForAll)
+        // Notify all clients in the chat about the deletion
+        await _hubContext.Clients.Group(request.ChatId.ToString()).SendAsync("messages_deleted", new
         {
-            await _hubContext.Clients.Group(request.ChatId.ToString()).SendAsync("messages_deleted", new
+            chatId = request.ChatId,
-            {
+            messageIds = request.MessageIds,
-                chatId = request.ChatId,
+            deleteForAll = request.DeleteForAll
-                messageIds = request.MessageIds,
+        });
-                deleteForAll = true
-            });
-        }
-        else
-        {
-            await _hubContext.Clients.User(request.UserId.ToString()).SendAsync("messages_deleted", new
-            {
-                chatId = request.ChatId,
-                messageIds = request.MessageIds,
-                deleteForAll = false
-            });
-        }
 
         return global::Knot.Shared.Kernel.Result.Success();
     }

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

@@ -3,17 +3,17 @@ using System.Collections.Generic;
 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.Contracts.Messaging.Domain;
-using Knot.Contracts.Conversations.Application.Abstractions;
 using Knot.Modules.Conversations.Application.DTOs;
-using Knot.Contracts.Conversations.Domain;
 using Knot.Shared.Kernel;
 using MediatR;
 
 namespace Knot.Modules.Conversations.Application.Messages.GetMessages;
 
-public record GetMessagesQuery(Guid UserId, Guid ChatId, string? Cursor, long? Pivot = null, int? Limit = null) : IQuery<List<MessageDetailDto>>;
+public record GetMessagesQuery(Guid UserId, Guid ChatId, string? Cursor, long? Pivot = null, long? AfterSequenceId = null, int? Limit = null) : IQuery<List<MessageDetailDto>>;
 
 internal sealed class GetMessagesQueryHandler : IQueryHandler<GetMessagesQuery, List<MessageDetailDto>>
 {
@@ -41,7 +41,12 @@ internal sealed class GetMessagesQueryHandler : IQueryHandler<GetMessagesQuery,
         List<Message> messages;
         int queryLimit = request.Limit ?? ChatConstants.DefaultMessageQueryLimit;
 
-        if (request.Pivot.HasValue)
+        if (request.AfterSequenceId.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);
         }
@@ -114,7 +119,8 @@ internal sealed class GetMessagesQueryHandler : IQueryHandler<GetMessagesQuery,
 
             senders.TryGetValue(message.SenderId, out var sender);
             reactionsByMessage.TryGetValue(message.Id, out var reactions);
-            
+
+
             Message? replyMsg = null;
             if (message.ReplyToId.HasValue)
             {
@@ -141,7 +147,7 @@ internal sealed class GetMessagesQueryHandler : IQueryHandler<GetMessagesQuery,
                     replyMsg is MediaMessage mm ? mm.Media.Select(m => new MediaDto(m.Id, m.Type, m.Url, m.Filename, m.Size, m.Duration)).ToList() : new List<MediaDto>(),
                     replySender != null ? new MessageSenderDto(replySender.Id, replySender.Username, replySender.DisplayName, replySender.Avatar) : null
                 ) : null,
-                message is TextMessage tm ? tm.Quote : null,
+                (message as TextMessage)?.Quote,
                 message.IsEdited,
                 message.IsDeleted,
                 message.CreatedAt,
@@ -153,20 +159,23 @@ 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),
-                new List<ReadByDto>(), // ReadBy not implemented in this detailed view yet
+                message.ReadByUsers.Select(id => new ReadByDto(id)).ToList(),
-                reactions?.Select(r => {
+                reactions?.Select(r =>
+                {
                     senders.TryGetValue(r.UserId, out var ru);
                     return new MessageReactionDto(r.Id, r.Emoji, r.UserId, ru != null ? new MessageSenderDto(ru.Id, ru.Username, ru.DisplayName, ru.Avatar) : null);
                 }).ToList() ?? new List<MessageReactionDto>(),
                 (message as CallMessage)?.CallType,
                 (message as CallMessage)?.CallStatus,
                 (message as CallMessage)?.Duration,
-                (message as PollMessage)?.Options.Select(o => {
+                (message as PollMessage)?.Options.Select(o =>
+                {
                     var pm = (PollMessage)message;
                     var voters = pm.IsAnonymous == false
                          ? pm.Votes
                              .Where(v => v.OptionId == o.Id)
-                             .Select(v => {
+                             .Select(v =>
+                             {
                                  senders.TryGetValue(v.UserId, out var vu);
                                  return vu != null
                                      ? new MessageSenderDto(vu.Id, vu.Username, vu.DisplayName, vu.Avatar)
@@ -174,12 +183,13 @@ internal sealed class GetMessagesQueryHandler : IQueryHandler<GetMessagesQuery,
                              })
                              .ToList()
                          : null;
-                     return new PollOptionDto(o.Id, o.Text, o.VoteCount, voters, pm.IsAnonymous == false ? pm.Votes.Where(v => v.OptionId == o.Id).Select(v => v.UserId).ToList() : null);
+                    return new PollOptionDto(o.Id, o.Text, o.VoteCount, voters, pm.IsAnonymous == false ? pm.Votes.Where(v => v.OptionId == o.Id).Select(v => v.UserId).ToList() : null);
-                 }).ToList(),
+                }).ToList(),
                  (message as PollMessage)?.IsMultipleChoice,
                  (message as PollMessage)?.IsAnonymous,
                  (message as PollMessage)?.IsClosed,
-                 (message as PollMessage)?.Votes.Where(v => v.UserId == request.UserId).Select(v => v.OptionId).ToList()
+                 (message as PollMessage)?.Votes.Where(v => v.UserId == request.UserId).Select(v => v.OptionId).ToList(),
+                 message.IsDeletedForUser(request.UserId)
              ));
         }
 

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

@@ -1,7 +1,8 @@
-using MediatR;
-using Knot.Contracts.Conversations.Domain;
-using Knot.Shared.Kernel;
 using Knot.Contracts.Conversations.Application.Abstractions;
+using Knot.Contracts.Conversations.Domain;
+using Knot.Contracts.Messaging.Application.Abstractions;
+using Knot.Shared.Kernel;
+using MediatR;
 
 namespace Knot.Modules.Conversations.Application.Messages.Read;
 
@@ -11,11 +12,13 @@ public sealed class ReadMessagesCommandHandler : ICommandHandler<ReadMessagesCom
 {
     private readonly IChatRepository _chatRepository;
     private readonly IChatsUnitOfWork _unitOfWork;
+    private readonly IMessageRepository _messageRepository;
 
-    public ReadMessagesCommandHandler(IChatRepository chatRepository, IChatsUnitOfWork unitOfWork)
+    public ReadMessagesCommandHandler(IChatRepository chatRepository, IChatsUnitOfWork unitOfWork, IMessageRepository messageRepository)
     {
         _chatRepository = chatRepository;
         _unitOfWork = unitOfWork;
+        _messageRepository = messageRepository;
     }
 
     public async Task<Result> Handle(ReadMessagesCommand request, CancellationToken cancellationToken)
@@ -28,6 +31,23 @@ 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;
 
@@ -41,7 +41,8 @@ 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;
@@ -66,7 +67,7 @@ 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>(),
-                new List<ReadByDto>()
+                message.ReadByUsers.Select(id => new ReadByDto(id)).ToList()
             );
         }).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;
@@ -192,6 +192,7 @@ 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.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 Microsoft.Extensions.Logging;
-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;
 
@@ -37,7 +37,7 @@ public sealed class ChatHub : Hub
 
     public static int OnlineUsersCount => _userConnections.Count;
     public static bool IsUserOnline(string userId) => _userConnections.ContainsKey(userId);
-    
+
     // userId → CallSession (one user can be in only one call at a time)
     private static readonly ConcurrentDictionary<string, CallSession> _activeSessionsByUser = new();
     // chatId → (startTime, callType)
@@ -53,12 +53,12 @@ public sealed class ChatHub : Hub
     private readonly IUserDisplayNameProvider _userProvider;
 
     public ChatHub(
-        ISender sender, 
+        ISender sender,
-        IUserContext userContext, 
+        IUserContext userContext,
-        IChatRepository chatRepository, 
+        IChatRepository chatRepository,
-        IUserRepository userRepository, 
+        IUserRepository userRepository,
         IMessageRepository messageRepository,
-        ILogger<ChatHub> logger, 
+        ILogger<ChatHub> logger,
         IMemoryCache cache,
         IUserDisplayNameProvider userProvider)
     {
@@ -158,6 +158,7 @@ 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(),
@@ -261,7 +262,7 @@ public sealed class ChatHub : Hub
         {
             var senderInfo = await _userProvider.GetUsersInfoAsync(new[] { message.SenderId });
             var dto = MessageMapper.MapToDto(message, senderInfo, Enumerable.Empty<MessageReaction>(), Enumerable.Empty<Guid>());
-            
+
             await Clients.Group(request.ChatId.ToString()).SendAsync("message_pinned", new
             {
                 chatId = request.ChatId,
@@ -276,7 +277,7 @@ public sealed class ChatHub : Hub
     {
         var command = new UnpinMessageCommand(request.MessageId, request.ChatId, _userContext.UserId);
         var result = await _sender.Send(command);
-        
+
         await Clients.Group(request.ChatId.ToString()).SendAsync("message_unpinned", new
         {
             chatId = request.ChatId,
@@ -328,7 +329,7 @@ public sealed class ChatHub : Hub
     public async Task FriendAccepted(FriendSignalRequest request)
     {
         if (request == null || string.IsNullOrEmpty(request.FriendId)) return;
-        
+
         _logger.LogInformation("Signaling friend_request_accepted to {FriendId} from {UserId}", request.FriendId, _userContext.UserId);
         await SendToUserAsync(request.FriendId, "friend_request_accepted", new { userId = _userContext.UserId });
     }
@@ -350,8 +351,8 @@ 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))
@@ -398,15 +399,15 @@ public sealed class ChatHub : Hub
         // Track session for history
         Guid? chatId = null;
         if (Guid.TryParse(request.ChatId, out var parsedChatId)) chatId = parsedChatId;
-        
+
         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);
@@ -461,10 +462,10 @@ public sealed class ChatHub : Hub
             _activeSessionsByUser.TryRemove(request.TargetUserId, out _);
             if (session.ChatId.HasValue)
             {
-                int duration = session.IsAnswered && session.AnswerTime.HasValue 
+                int duration = session.IsAnswered && session.AnswerTime.HasValue
-                    ? (int)(DateTime.UtcNow - session.AnswerTime.Value).TotalSeconds 
+                    ? (int)(DateTime.UtcNow - session.AnswerTime.Value).TotalSeconds
                     : 0;
-                
+
                 string status = session.IsAnswered ? "completed" : (_userContext.UserId == session.FromUserId ? "cancelled" : "missed");
                 await CreateCallMessage(session.ChatId.Value, session.FromUserId, session.CallType, status, duration);
             }
@@ -573,7 +574,7 @@ public sealed class ChatHub : Hub
 
         var userInfo = new ParticipantInfo(userId, username, displayName, avatar);
 
-        var participants = _groupCallParticipants.GetOrAdd(chatId, _ => 
+        var participants = _groupCallParticipants.GetOrAdd(chatId, _ =>
         {
             _activeGroupCalls[chatId] = (DateTime.UtcNow, request.CallType);
             return new ConcurrentDictionary<string, ParticipantInfo>();

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

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

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

@@ -18,7 +18,7 @@ public abstract class Message : AggregateRoot<Guid>
     public Guid SenderId { get; protected set; }
     public DateTime CreatedAt { get; protected set; }
     public long SequenceId { get; protected set; }
-    
+
     public void SetSequenceId(long sequenceId)
     {
         SequenceId = sequenceId;
@@ -26,10 +26,10 @@ public abstract class Message : AggregateRoot<Guid>
     // ================== Опциональные метаданные (общего назначения) ==================
     public Guid? ReplyToId { get; protected set; }
     public Guid? ForwardedFromId { get; protected set; }
-    
+
     // ================== Флаги ==================
     public MessageState State { get; protected set; }
-    
+
     // ================== Абстрактные / Виртуальные свойства ==================
     public abstract string Type { get; }
     public abstract string? Content { get; protected set; }
@@ -42,16 +42,20 @@ 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) { }
 
     protected Message(
-        Guid id, 
+        Guid id,
-        Guid chatId, 
+        Guid chatId,
-        Guid senderId, 
+        Guid senderId,
-        Guid? replyToId, 
+        Guid? replyToId,
-        Guid? forwardedFromId, 
+        Guid? forwardedFromId,
-        DateTime createdAt, 
+        DateTime createdAt,
         bool isImported) : base(id)
     {
         ChatId = chatId;
@@ -59,7 +63,7 @@ public abstract class Message : AggregateRoot<Guid>
         ReplyToId = replyToId;
         ForwardedFromId = forwardedFromId;
         CreatedAt = createdAt;
-        
+
         if (isImported) AddState(MessageState.IsImported);
     }
 
@@ -89,6 +93,16 @@ 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 = new List<object>(),
+            readBy = message.ReadByUsers.Select(id => new { id }).ToList(),
             storyId = (message as StoryMessage)?.StoryId,
             storyMediaUrl = (message as StoryMessage)?.StoryMediaUrl,
             storyMediaType = (message as StoryMessage)?.StoryMediaType,

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

@@ -95,14 +95,28 @@ 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;
-        
+
         // Target message
         var targetFilter = builder.And(builder.Eq(m => m.ChatId, chatId), builder.Eq(m => m.SequenceId, sequenceId));
         var targetMsg = await _messages.Find(targetFilter).FirstOrDefaultAsync(cancellationToken);
-        
+
         // Older messages
         var olderFilter = builder.And(builder.Eq(m => m.ChatId, chatId), builder.Lt(m => m.SequenceId, sequenceId));
         var older = await _messages.Find(olderFilter)

client-web/src/core/domain/types.ts

@@ -6,7 +6,7 @@ export interface UserBasic {
   displayName: string;
   avatarUrl: string | null;
   // Fallbacks for compatibility
-  username?: string; 
+  username?: string;
   avatar?: string | null;
 }
 
@@ -51,11 +51,11 @@ export interface Reaction {
   id: string;
   emoji: string;
   userId: string;
-  user: { 
+  user: {
-    id: string; 
+    id: string;
-    username: string; 
+    username: string;
     userName?: string;
-    displayName: string; 
+    displayName: string;
     avatar?: string | null;
     avatarUrl?: string | null;
   };
@@ -84,6 +84,7 @@ export interface Message {
   storyMediaType?: string | null;
   isEdited: boolean;
   isDeleted: boolean;
+  isDeletedForUser?: boolean;
   scheduledAt?: string | null;
   createdAt: string;
   updatedAt?: string;
@@ -95,9 +96,9 @@ export interface Message {
     isDeleted?: boolean;
     quote?: string | null;
     media?: MediaItem[];
-    sender: { 
+    sender: {
-      id: string; 
+      id: string;
-      username: string; 
+      username: string;
       userName?: string;
       displayName: string;
       avatar?: string | null;

client-web/src/core/infrastructure/httpClient.ts

@@ -3,11 +3,74 @@ const API_BASE = '/api';
 
 export class HttpClient {
   private token: string | null = null;
+  private isRefreshing = false;
+  private refreshSubscribers: Array<(token: string) => void> = [];
 
   setToken(token: string | null) {
     this.token = token;
   }
 
+  private subscribeTokenRefresh(cb: (token: string) => void) {
+    this.refreshSubscribers.push(cb);
+  }
+
+  private onRefreshed(token: string) {
+    this.refreshSubscribers.forEach(cb => cb(token));
+    this.refreshSubscribers = [];
+  }
+
+  private async handle401(): Promise<string | null> {
+    if (this.isRefreshing) {
+      return new Promise(resolve => {
+        this.subscribeTokenRefresh(token => {
+          resolve(token);
+        });
+      });
+    }
+
+    const refreshToken = localStorage.getItem('knot_refresh_token');
+    if (!refreshToken) {
+      return null;
+    }
+
+    this.isRefreshing = true;
+
+    try {
+      const response = await fetch(`${API_BASE}/auth/refresh`, {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify({ refreshToken }),
+      });
+
+      if (!response.ok) {
+        localStorage.removeItem('knot_token');
+        localStorage.removeItem('knot_refresh_token');
+        this.token = null;
+        return null;
+      }
+
+      const data = await response.json();
+      const newToken = data.accessToken;
+      const newRefreshToken = data.refreshToken;
+
+      localStorage.setItem('knot_token', newToken);
+      if (newRefreshToken) {
+        localStorage.setItem('knot_refresh_token', newRefreshToken);
+      }
+
+      this.token = newToken;
+      this.onRefreshed(newToken);
+      return newToken;
+    } catch (err) {
+      localStorage.removeItem('knot_token');
+      localStorage.removeItem('knot_refresh_token');
+      this.token = null;
+      return null;
+    } finally {
+      this.isRefreshing = false;
+    }
+  }
+
   async request<T>(endpoint: string, options: RequestInit & { timeout?: number } = {}): Promise<T> {
     const { timeout = 30_000, ...fetchOptions } = options;
     const controller = new AbortController();
@@ -41,6 +104,36 @@ export class HttpClient {
     }
     clearTimeout(timer);
 
+    // Handle 401 Unauthorized
+    if (response.status === 401 && endpoint !== '/auth/refresh') {
+      const newToken = await this.handle401();
+      if (newToken) {
+        // Retry the original request with new token
+        const retryHeaders: Record<string, string> = {
+          ...computedHeaders,
+          Authorization: `Bearer ${newToken}`,
+        };
+
+        const retryController = new AbortController();
+        const retryTimer = timeout > 0 ? setTimeout(() => retryController.abort(), timeout) : undefined;
+
+        try {
+          response = await fetch(`${API_BASE}${endpoint}`, {
+            ...fetchOptions,
+            headers: retryHeaders,
+            signal: retryController.signal,
+          });
+        } catch (err) {
+          clearTimeout(retryTimer);
+          if (err instanceof DOMException && err.name === 'AbortError') {
+            throw new Error('Время ожидания запроса истекло');
+          }
+          throw err;
+        }
+        clearTimeout(retryTimer);
+      }
+    }
+
     if (!response.ok) {
       const errorData = await response.json().catch(() => ({}));
       const errorMessage = errorData.error || errorData.message || `Request failed with status ${response.status}`;

client-web/src/modules/auth/application/authStore.ts

@@ -5,6 +5,7 @@ import type { User } from '../../../core/domain/types';
 
 interface AuthState {
   token: string | null;
+  refreshToken: string | null;
   user: User | null;
   isLoading: boolean;
   error: string | null;
@@ -23,6 +24,9 @@ export const useAuthStore = create<AuthState>((set, get) => ({
     if (t) AuthApi.setToken(t);
     return t;
   })(),
+  refreshToken: (() => {
+    return localStorage.getItem('knot_refresh_token');
+  })(),
   user: null,
   isLoading: true,
   error: null,
@@ -33,17 +37,20 @@ export const useAuthStore = create<AuthState>((set, get) => ({
     try {
       const res = await AuthApi.getConfig();
       set({ config: res });
-    } catch {}
+    } catch { }
   },
 
   login: async (username, password) => {
     try {
       set({ error: null, isLoading: true });
-      const { token, user } = await AuthApi.login(username, password);
+      const { token, refreshToken, user } = await AuthApi.login(username, password);
       localStorage.setItem('knot_token', token);
+      if (refreshToken) {
+        localStorage.setItem('knot_refresh_token', refreshToken);
+      }
       AuthApi.setToken(token);
       connectSocket(token);
-      set({ token, user, isLoading: false });
+      set({ token, refreshToken, user, isLoading: false });
       await get().fetchConfig();
     } catch (err: unknown) {
       const msg = err instanceof Error ? err.message : String(err);
@@ -55,11 +62,14 @@ export const useAuthStore = create<AuthState>((set, get) => ({
   register: async (username, displayName, password, bio) => {
     try {
       set({ error: null, isLoading: true });
-      const { token, user } = await AuthApi.register(username, displayName, password, bio);
+      const { token, refreshToken, user } = await AuthApi.register(username, displayName, password, bio);
       localStorage.setItem('knot_token', token);
+      if (refreshToken) {
+        localStorage.setItem('knot_refresh_token', refreshToken);
+      }
       AuthApi.setToken(token);
       connectSocket(token);
-      set({ token, user, isLoading: false });
+      set({ token, refreshToken, user, isLoading: false });
       await get().fetchConfig();
     } catch (err: unknown) {
       const msg = err instanceof Error ? err.message : String(err);
@@ -70,9 +80,10 @@ export const useAuthStore = create<AuthState>((set, get) => ({
 
   logout: () => {
     localStorage.removeItem('knot_token');
+    localStorage.removeItem('knot_refresh_token');
     AuthApi.setToken(null);
     disconnectSocket();
-    set({ token: null, user: null });
+    set({ token: null, refreshToken: null, user: null });
   },
 
   checkAuth: async () => {
@@ -121,11 +132,12 @@ export const useAuthStore = create<AuthState>((set, get) => ({
       errorMsg.includes('Недействительный токен') ||
       errorMsg.includes('Требуется авторизация')
     ) {
-        localStorage.removeItem('knot_token');
+      localStorage.removeItem('knot_token');
-        set({ token: null, user: null, isLoading: false });
+      localStorage.removeItem('knot_refresh_token');
+      set({ token: null, refreshToken: null, user: null, isLoading: false });
     } else {
-        // Keep the token but stop loading if we're just offline/network error/500
+      // Keep the token but stop loading if we're just offline/network error/500
-        set({ isLoading: false });
+      set({ isLoading: false });
     }
   },
 

client-web/src/modules/auth/infrastructure/authApi.ts

@@ -3,13 +3,14 @@ import type { User } from '../../../core/domain/types';
 
 export class AuthApi {
   static async login(username: string, password: string) {
-    const response = await httpClient.request<{ accessToken: string; userId: string; username: string; displayName: string }>('/auth/login', {
+    const response = await httpClient.request<{ accessToken: string; refreshToken: string; userId: string; username: string; displayName: string }>('/auth/login', {
       method: 'POST',
       body: JSON.stringify({ username, password }),
     });
 
     return {
       token: response.accessToken,
+      refreshToken: response.refreshToken,
       user: {
         id: response.userId,
         username: response.username,
@@ -20,13 +21,32 @@ export class AuthApi {
   }
 
   static async register(username: string, displayName: string, password: string, bio?: string) {
-    const response = await httpClient.request<{ accessToken: string; userId: string; username: string; displayName: string }>('/auth/register', {
+    const response = await httpClient.request<{ accessToken: string; refreshToken: string; userId: string; username: string; displayName: string }>('/auth/register', {
       method: 'POST',
       body: JSON.stringify({ username, displayName, password, bio }),
     });
 
     return {
       token: response.accessToken,
+      refreshToken: response.refreshToken,
+      user: {
+        id: response.userId,
+        username: response.username,
+        displayName: response.displayName,
+        avatar: null
+      } as User
+    };
+  }
+
+  static async refresh(refreshToken: string) {
+    const response = await httpClient.request<{ accessToken: string; refreshToken: string; userId: string; username: string; displayName: string }>('/auth/refresh', {
+      method: 'POST',
+      body: JSON.stringify({ refreshToken }),
+    });
+
+    return {
+      token: response.accessToken,
+      refreshToken: response.refreshToken,
       user: {
         id: response.userId,
         username: response.username,

client-web/src/modules/chats/application/chatStore.ts

@@ -125,9 +125,9 @@ export const useChatStore = create<ChatState>((set, get) => ({
       set({ isLoadingMessages: true });
       const currentMessages = state.messages[chatId] || [];
       const cursor = !reset && currentMessages.length > 0 ? currentMessages[0].sequenceId.toString() : undefined;
-      
+
       const fetched = await ChatApi.getMessages(chatId, cursor);
-      
+
       set((state) => {
         // Merge fetched messages with any that arrived via socket
         const existing = reset ? [] : (state.messages[chatId] || []);
@@ -401,6 +401,7 @@ export const useChatStore = create<ChatState>((set, get) => ({
         if (m.sequenceId <= lastReadSequenceId) {
           const alreadyRead = m.readBy?.some((r) => r.userId === userId);
           if (alreadyRead) return m;
+          // Увеличиваем счётчик только если текущий пользователь читает чужие сообщения
           if (userId === currentUserId && m.senderId !== currentUserId) newlyReadCount++;
           return { ...m, readBy: [...(m.readBy || []), { userId }] };
         }
@@ -412,6 +413,7 @@ export const useChatStore = create<ChatState>((set, get) => ({
       const updatedChats = state.chats.map((chat) => {
         if (chat.id === chatId) {
           const updatedLastMessages = chat.messages?.map(updateMsg);
+          // Уменьшаем unreadCount только если текущий пользователь прочитал сообщения
           if (userId === currentUserId) {
             return { ...chat, messages: updatedLastMessages, unreadCount: Math.max(0, (chat.unreadCount || 0) - newlyReadCount) };
           }
@@ -475,16 +477,16 @@ export const useChatStore = create<ChatState>((set, get) => ({
   addChat: (chat) => {
     set((state) => {
       const existing = state.chats.find((c) => c.id === chat.id);
-      
+
       const messagesFromState = state.messages[chat.id] || [];
       const messagesToUse = messagesFromState.length > 0 ? messagesFromState : (chat.messages || []);
-      
+
       let unreadCount = chat.unreadCount || 0;
       if (!existing && messagesFromState.length > 0) {
         const userId = useAuthStore.getState().user?.id;
         unreadCount = messagesFromState.filter((m) => m.senderId !== userId && !m.readBy?.some(r => r.userId === userId)).length;
       }
-      
+
       const updatedChat = { ...chat, messages: messagesToUse.length > 0 ? [messagesToUse[messagesToUse.length - 1]] : [], unreadCount };
 
       if (existing) {
@@ -524,9 +526,9 @@ export const useChatStore = create<ChatState>((set, get) => ({
       const existing = state.pinnedMessages[chatId] || [];
       if (existing.some(m => m.id === message.id)) return state;
       return {
-        pinnedMessages: { 
+        pinnedMessages: {
-          ...state.pinnedMessages, 
+          ...state.pinnedMessages,
-          [chatId]: [...existing, message] 
+          [chatId]: [...existing, message]
         },
       };
     });
@@ -550,7 +552,7 @@ export const useChatStore = create<ChatState>((set, get) => ({
     try {
       set({ isLoadingMessages: true });
       const fetched = await ChatApi.getMessages(chatId, undefined, sequenceId, 50);
-      
+
       set((state) => ({
         messages: { ...state.messages, [chatId]: fetched },
         // Since we jumped, we assume there is more history to load above

client-web/src/modules/chats/presentation/ChatPage.tsx

@@ -58,7 +58,7 @@ export default function ChatPage() {
   const [groupCallSessionId, setGroupCallSessionId] = useState(0);
 
   const [incomingGroupCall, setIncomingGroupCall] = useState<{ chatId: string; from: string; callerInfo: any; callType: string; chatName: string } | null>(null);
-  
+
   const groupCallOpenRef = useRef(false);
   const groupCallChatIdRef = useRef('');
 
@@ -180,7 +180,12 @@ export default function ChatPage() {
     });
 
     socket.on('messages_read', (data: any) => {
-      markRead(data.chatId || data.ChatId, data.userId || data.UserId, data.lastReadSequenceId || data.LastReadSequenceId || 0);
+      const chatId = data.chatId || data.ChatId;
+      const userId = data.userId || data.UserId;
+      const lastReadSequenceId = data.lastReadSequenceId || data.LastReadSequenceId || 0;
+
+      // Обновляем стейт - добавляем userId в readBy для всех сообщений до lastReadSequenceId
+      markRead(chatId, userId, lastReadSequenceId);
     });
 
     socket.on('user_typing', (data: { chatId: string; userId: string }) => {
@@ -281,7 +286,7 @@ export default function ChatPage() {
         callType: data.callType,
         chatName: chat.name || 'Group',
       });
-      
+
       // Auto-dismiss after 15 seconds if ignored
       setTimeout(() => {
         setIncomingGroupCall(prev => {
@@ -383,14 +388,14 @@ export default function ChatPage() {
         {activeTab === 'chats' ? (
           <>
             {/* Chat List (Sidebar) */}
-            <div 
+            <div
               className={`${activeChat ? 'hidden lg:block' : 'block'} w-full lg:w-[360px] flex-shrink-0 bg-surface-container-low h-full overflow-hidden`}
             >
               <Sidebar />
             </div>
 
             {/* Selected Chat View (Main Area) */}
-            <div 
+            <div
               className={`${activeChat ? 'block' : 'hidden lg:block'} flex-1 h-full min-w-0 bg-surface-container-lowest relative group slide-on-ice`}
             >
               <ChatView onStartCall={handleStartCall} onStartGroupCall={handleStartGroupCall} />
@@ -398,31 +403,31 @@ export default function ChatPage() {
           </>
         ) : activeTab === 'contacts' ? (
           <div className="flex-1 flex flex-row h-full overflow-hidden">
-             {/* Contacts Sidebar List */}
+            {/* Contacts Sidebar List */}
-             <div className="w-full lg:w-[360px] flex-shrink-0 bg-surface-container-low h-full overflow-hidden antialiased">
+            <div className="w-full lg:w-[360px] flex-shrink-0 bg-surface-container-low h-full overflow-hidden antialiased">
-                <ContactsSidebar onSwitchToChat={() => setActiveTab('chats')} />
+              <ContactsSidebar onSwitchToChat={() => setActiveTab('chats')} />
-             </div>
+            </div>
 
-             {/* Right side placeholder / Profile detail */}
+            {/* Right side placeholder / Profile detail */}
-              <div className="hidden lg:flex flex-1 items-center justify-center bg-surface-base h-full relative slide-on-ice">
+            <div className="hidden lg:flex flex-1 items-center justify-center bg-surface-base h-full relative slide-on-ice">
-                <div className="flex flex-col items-center gap-6 max-w-sm text-center">
+              <div className="flex flex-col items-center gap-6 max-w-sm text-center">
-                    <div className="w-24 h-24 rounded-3xl bg-primary/10 flex items-center justify-center text-primary shadow-inner">
+                <div className="w-24 h-24 rounded-3xl bg-primary/10 flex items-center justify-center text-primary shadow-inner">
-                        <Users size={48} className="knot-logo-spin opacity-50" />
+                  <Users size={48} className="knot-logo-spin opacity-50" />
-                    </div>
-                    <div>
-                        <h2 className="text-xl font-bold text-white mb-2">{t('contacts')}</h2>
-                        <p className="text-sm text-zinc-500 leading-relaxed max-w-[280px]">
-                            {t('selectContactToChat')}
-                        </p>
-                    </div>
-                    <button 
-                        onClick={() => setActiveTab('chats')}
-                        className="px-8 py-3 rounded-2xl bg-primary text-on-primary shadow-lg shadow-primary/20 hover:scale-105 active:scale-95 transition-all text-sm font-bold tracking-tight"
-                    >
-                        {t('backToChats')}
-                    </button>
                 </div>
-             </div>
+                <div>
+                  <h2 className="text-xl font-bold text-white mb-2">{t('contacts')}</h2>
+                  <p className="text-sm text-zinc-500 leading-relaxed max-w-[280px]">
+                    {t('selectContactToChat')}
+                  </p>
+                </div>
+                <button
+                  onClick={() => setActiveTab('chats')}
+                  className="px-8 py-3 rounded-2xl bg-primary text-on-primary shadow-lg shadow-primary/20 hover:scale-105 active:scale-95 transition-all text-sm font-bold tracking-tight"
+                >
+                  {t('backToChats')}
+                </button>
+              </div>
+            </div>
           </div>
         ) : activeTab === 'settings' ? (
           <SettingsPage />
@@ -432,7 +437,7 @@ export default function ChatPage() {
           </div>
         )}
       </main>
-      
+
 
       <CallModal
         key={callSessionId}
@@ -485,9 +490,9 @@ export default function ChatPage() {
             >
               <div className="relative mb-6">
                 <div className="absolute inset-0 rounded-[1.5rem] bg-emerald-500/20 animate-call-wave" />
-                <Avatar 
+                <Avatar
-                  src={incomingGroupCall.callerInfo?.avatar ? getMediaUrl(incomingGroupCall.callerInfo.avatar) : null} 
+                  src={incomingGroupCall.callerInfo?.avatar ? getMediaUrl(incomingGroupCall.callerInfo.avatar) : null}
-                  name={incomingGroupCall.chatName || '?'} 
+                  name={incomingGroupCall.chatName || '?'}
                   size="2xl"
                   className="relative shadow-2xl"
                 />
@@ -499,9 +504,9 @@ export default function ChatPage() {
                 {incomingGroupCall.callerInfo?.displayName || incomingGroupCall.callerInfo?.username || 'User'} {t('isCalling' as any) || 'звонит...'}
               </p>
               <p className="text-zinc-400 text-sm mb-8 bg-white/5 px-3 py-1 rounded-full border border-white/5">
-                {t('groupCall' as any) || 'Групповой звонок'} 
+                {t('groupCall' as any) || 'Групповой звонок'}
               </p>
-              
+
               <div className="flex items-center gap-8 w-full justify-center">
                 <button
                   onClick={() => {

client-web/src/modules/chats/presentation/components/ChatListItem.tsx

@@ -63,14 +63,14 @@ function ChatListItem({ chat, isActive }: ChatListItemProps) {
             : lastMessage.media?.[0]?.type === 'video'
               ? t('video')
               : t('file')
-        : lastMessage.type === 'call'
+          : lastMessage.type === 'call'
-          ? `${lastMessage.callType === 'video' ? '🎬' : '📞'} ${t(
+            ? `${lastMessage.callType === 'video' ? '🎬' : '📞'} ${t(
               lastMessage.callStatus === 'missed' ? 'missedCall' :
-              lastMessage.callStatus === 'declined' ? 'declinedCall' :
+                lastMessage.callStatus === 'declined' ? 'declinedCall' :
-              lastMessage.callStatus === 'cancelled' ? 'cancelledCall' :
+                  lastMessage.callStatus === 'cancelled' ? 'cancelledCall' :
-              'completedCall'
+                    'completedCall'
             )}`
-          : lastMessage.content || ''
+            : lastMessage.content || ''
     : '';
 
   const previewText = chat.isImporting ? 'Импорт...' : stripMarkdown(lastMessageText);
@@ -78,7 +78,9 @@ function ChatListItem({ chat, isActive }: ChatListItemProps) {
   const isMine = !chat.isImporting && lastMessage?.senderId === user?.id;
 
   // Галочки прочтения
-  const isRead = !chat.isImporting && lastMessage?.readBy?.some((r) => r.userId !== user?.id);
+  // Для своих сообщений: проверено, есть ли в readBy другие пользователи (получатели)
+  // Для чужих сообщений: не показываем галочки
+  const isRead = !chat.isImporting && isMine && lastMessage?.readBy?.some((r) => r.userId !== user?.id);
 
   const timeStr = !chat.isImporting && lastMessage
     ? formatDistanceToNow(new Date(lastMessage.createdAt), { addSuffix: false, locale: lang === 'ru' ? ru : enUS })
@@ -89,25 +91,25 @@ function ChatListItem({ chat, isActive }: ChatListItemProps) {
 
   useEffect(() => {
     if (!chat.isImporting || !chat.importJobId) {
-        setImportStatus(null);
+      setImportStatus(null);
-        return;
+      return;
     }
 
     const poll = async () => {
-        try {
+      try {
-            const data = await httpClient.request<any>(`/import/telegram/status/${chat.importJobId}`);
+        const data = await httpClient.request<any>(`/import/telegram/status/${chat.importJobId}`);
-            setImportStatus({ processed: data.processedMessages, total: data.totalMessages });
+        setImportStatus({ processed: data.processedMessages, total: data.totalMessages });
-            if (data.status === 'Completed' || data.status === 'Failed') {
+        if (data.status === 'Completed' || data.status === 'Failed') {
-                loadChats();
+          loadChats();
-            }
-        } catch (e: any) {
-            if (e.status === 404) {
-                // Job might have expired or backend restarted
-                console.warn('Import job not found');
-            } else {
-                console.error('Failed to poll status', e);
-            }
         }
+      } catch (e: any) {
+        if (e.status === 404) {
+          // Job might have expired or backend restarted
+          console.warn('Import job not found');
+        } else {
+          console.error('Failed to poll status', e);
+        }
+      }
     };
 
     poll();
@@ -117,9 +119,9 @@ function ChatListItem({ chat, isActive }: ChatListItemProps) {
 
   const handleClick = () => {
     if (chat.isImporting) {
-        // Here we could show a progress modal, but for now just select it
+      // Here we could show a progress modal, but for now just select it
-        setActiveChat(chat.id);
+      setActiveChat(chat.id);
-        return;
+      return;
     }
     if ((window as any).hasUnsavedAttachments && !isActive) {
       setShowAttachmentConfirm(true);
@@ -131,7 +133,7 @@ function ChatListItem({ chat, isActive }: ChatListItemProps) {
   const proceedWithClick = () => {
     setShowAttachmentConfirm(false);
     (window as any).hasUnsavedAttachments = false;
-    
+
     if (isActive) {
       window.dispatchEvent(new CustomEvent('CHAT_SCROLL_TO_BOTTOM', { detail: { chatId: chat.id } }));
     } else {
@@ -188,9 +190,8 @@ function ChatListItem({ chat, isActive }: ChatListItemProps) {
       <button
         onClick={handleClick}
         onContextMenu={handleContextMenu}
-        className={`w-full flex items-center gap-4 px-4 py-3.5 transition-all duration-300 slide-on-ice text-left rounded-2xl mx-1 my-0.5 w-[calc(100%-8px)] ${
+        className={`w-full flex items-center gap-4 px-4 py-3.5 transition-all duration-300 slide-on-ice text-left rounded-2xl mx-1 my-0.5 w-[calc(100%-8px)] ${isActive ? 'bg-primary/10' : 'hover:bg-surface-container-highest/20'
-          isActive ? 'bg-primary/10' : 'hover:bg-surface-container-highest/20'
+          }`}
-        }`}
       >
         {/* Аватар */}
         <div className="relative flex-shrink-0">
@@ -200,7 +201,7 @@ function ChatListItem({ chat, isActive }: ChatListItemProps) {
             </div>
           ) : (
             <div className="avatar-knot-container group-hover:scale-105 transition-transform">
-               <Avatar src={chatAvatar || undefined} name={chatName || '??'} size="lg" online={isOnline ? true : false} />
+              <Avatar src={chatAvatar || undefined} name={chatName || '??'} size="lg" online={isOnline ? true : false} />
             </div>
           )}
         </div>
@@ -225,20 +226,20 @@ function ChatListItem({ chat, isActive }: ChatListItemProps) {
               )}
               <div className="flex flex-col gap-1 w-full min-w-0">
                 <p className={`text-[13px] truncate leading-tight ${isTyping ? 'text-tertiary font-bold' : draft ? 'text-error font-medium' : 'text-on-surface-variant/60'}`}>
-                    {isTyping ? t('typing') : draft ? <><span className="font-bold">{t('draft')} </span>{stripMarkdown(draft)}</> : previewText}
+                  {isTyping ? t('typing') : draft ? <><span className="font-bold">{t('draft')} </span>{stripMarkdown(draft)}</> : previewText}
-                    {chat.isImporting && importStatus && importStatus.total > 0 && (
+                  {chat.isImporting && importStatus && importStatus.total > 0 && (
-                        <span className="ml-1.5 text-[11px] font-black text-primary/70 tabular-nums">
+                    <span className="ml-1.5 text-[11px] font-black text-primary/70 tabular-nums">
-                            {importStatus.processed} / {importStatus.total}
+                      {importStatus.processed} / {importStatus.total}
-                        </span>
+                    </span>
-                    )}
+                  )}
                 </p>
                 {chat.isImporting && importStatus && importStatus.total > 0 && (
-                    <div className="w-full h-1 bg-surface-container-highest rounded-full overflow-hidden mt-0.5">
+                  <div className="w-full h-1 bg-surface-container-highest rounded-full overflow-hidden mt-0.5">
-                        <div 
+                    <div
-                            className="h-full bg-primary transition-all duration-500 ease-out" 
+                      className="h-full bg-primary transition-all duration-500 ease-out"
-                            style={{ width: `${Math.min(100, Math.round((importStatus.processed / importStatus.total) * 100))}%` }}
+                      style={{ width: `${Math.min(100, Math.round((importStatus.processed / importStatus.total) * 100))}%` }}
-                        />
+                    />
-                    </div>
+                  </div>
                 )}
               </div>
             </div>