внедрил пресеты статусов и модульную архитектуру

necessary,
if it merges an updated upstream into a topic branch.

backend/Tests/Users/UnitTests/UpdateProfileCommandHandlerTests.cs

@@ -1,13 +1,13 @@
 using FluentAssertions;
 using Knot.Modules.Profiles.Application.Profiles.UpdateProfile;
-using Knot.Modules.Profiles.Domain;
 using Knot.Shared.Kernel;
 using NSubstitute;
 using Xunit;
 using System;
 using System.Threading;
 using System.Threading.Tasks;
-using Knot.Modules.Profiles.Application.Abstractions;
+using Knot.Contracts.Profiles.Domain;
+using Knot.Contracts.Profiles.Application.DTOs;
 
 namespace Knot.Modules.Profiles.UnitTests;
 
@@ -25,14 +25,11 @@ public class UpdateProfileCommandHandlerTests
     [Fact]
     public async Task Handle_ShouldReturnError_WhenProfileNotFound()
     {
-        // Arrange
-        var command = new UpdateProfileCommand(Guid.NewGuid(), "FirstName", "Bio", null);
-        _profileRepository.GetByIdAsync(command.UserId, Arg.Any<CancellationToken>()).Returns((ProfileDocument?)null);
+        var command = new UpdateProfileCommand(Guid.NewGuid(), "FirstName", "Bio", null, null);
+        _profileRepository.GetAsync(command.UserId, Arg.Any<CancellationToken>()).Returns((UserProfileDto?)null);
 
-        // Act
         var result = await _handler.Handle(command, CancellationToken.None);
 
-        // Assert
         result.IsFailure.Should().BeTrue();
     }
 }

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

@@ -4,7 +4,6 @@ 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

@@ -7,7 +7,8 @@ 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");
+    public static Error PasswordConfirmationMismatch => new("Auth.PasswordConfirmationMismatch", "Passwords do not match");
+    public static Error PasswordTooShort => new("Auth.PasswordTooShort", "Password must be at least 8 characters");
+    public static Error OldPasswordInvalid => new("Auth.OldPasswordInvalid", "Current password is incorrect");
 }

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

@@ -19,12 +19,4 @@ 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

@@ -13,7 +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

@@ -19,16 +19,13 @@ 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;
@@ -45,25 +42,15 @@ 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)
-    {
-        Content = newContent;
-        AddState(MessageState.IsEdited);
+    public virtual void Edit(string newContent) 
+    { 
+        Content = newContent; 
+        AddState(MessageState.IsEdited); 
     }
 
-    public void DeleteForUser(Guid userId)
-    {
-        if (!_deletedFor.Exists(x => x.UserId == userId))
-            _deletedFor.Add(new DeletedMessage(Id, userId));
+    public void DeleteForUser(Guid userId) 
+    { 
+        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/Contracts/Profiles/Application/DTOs/ProfilesErrors.cs

@@ -9,4 +9,8 @@ public static class ProfilesErrors
     public static Error AvatarNotFound => new("Profiles.AvatarNotFound", "Avatar not found");
     public static Error InvalidAvatarFormat => new("Profiles.InvalidAvatarFormat", "Invalid avatar format");
     public static Error AvatarUploadFailed => new("Profiles.AvatarUploadFailed", "Avatar upload failed");
+    public static Error BioTooLong => new("Profiles.BioTooLong", "Bio must be 200 characters or less");
+    public static Error StatusTextTooLong => new("Profiles.StatusTextTooLong", "Status text must be 50 characters or less");
+    public static Error StatusEmpty => new("Statuses.Empty", "Status emoji or text is required");
+    public static Error InvalidPreset => new("Statuses.InvalidPreset", "Unknown status preset");
 }

backend/src/Contracts/Profiles/Application/DTOs/StatusPresetDto.cs

@@ -0,0 +1,9 @@
+namespace Knot.Contracts.Profiles.Application.DTOs;
+
+public sealed class StatusPresetDto
+{
+    public string Id { get; set; } = "";
+    public string Emoji { get; set; } = "";
+    public string TextRu { get; set; } = "";
+    public string TextEn { get; set; } = "";
+}

backend/src/Contracts/Profiles/Application/DTOs/UserProfileDto.cs

@@ -12,5 +12,13 @@ public class UserProfileDto
     public DateTime? LastSeen { get; set; }
     public DateTime? Birthday { get; set; }
     public bool IsPremium { get; set; }
+    public UserStatusDto? Status { get; set; }
+
+    public Guid? CurrentStatusId { get; set; }
+
+    public string? StatusText { get; set; }
+    public string? StatusEmoji { get; set; }
+    public DateTime? StatusExpiresAt { get; set; }
+    public bool IsInvisible { get; set; }
     public DateTime CreatedAt { get; set; }
 }

backend/src/Contracts/Profiles/Application/DTOs/UserStatusDto.cs

@@ -0,0 +1,11 @@
+namespace Knot.Contracts.Profiles.Application.DTOs;
+
+public sealed class UserStatusDto
+{
+    public Guid Id { get; set; }
+    public string Type { get; set; } = "Custom";
+    public string Emoji { get; set; } = "";
+    public string Text { get; set; } = "";
+    public DateTime CreatedAt { get; set; }
+    public DateTime? ExpiresAt { get; set; }
+}

backend/src/Contracts/Profiles/Domain/IProfileStatusWriter.cs

@@ -0,0 +1,11 @@
+using Knot.Contracts.Profiles.Application.DTOs;
+using Knot.Shared.Kernel;
+
+namespace Knot.Contracts.Profiles.Domain;
+
+public interface IProfileStatusWriter
+{
+    Task<Result<UserProfileDto>> SetCustomAsync(Guid userId, string emoji, string text, DateTime? expiresAt, string? presetKey, CancellationToken cancellationToken = default);
+
+    Task<Result<UserProfileDto>> ClearAsync(Guid userId, CancellationToken cancellationToken = default);
+}

backend/src/Contracts/Profiles/Domain/IUserStatusRepository.cs

@@ -0,0 +1,14 @@
+using Knot.Contracts.Profiles.Application.DTOs;
+
+namespace Knot.Contracts.Profiles.Domain;
+
+public interface IUserStatusRepository
+{
+    Task<UserStatusDto?> GetByIdAsync(Guid id, CancellationToken cancellationToken = default);
+
+    Task<IReadOnlyDictionary<Guid, UserStatusDto>> GetByIdsAsync(IEnumerable<Guid> ids, CancellationToken cancellationToken = default);
+
+    Task InsertAsync(UserStatusDto dto, Guid userId, CancellationToken cancellationToken = default);
+
+    Task DeleteAsync(Guid id, CancellationToken cancellationToken = default);
+}

backend/src/Host/Program.cs

@@ -250,6 +250,7 @@ app.MapStoriesEndpoints();
 app.MapContactsEndpoints();
 app.MapSettingsEndpoints();
 app.MapProfilesEndpoints();
+app.MapStatusesEndpoints();
 app.MapFederationEndpoints();
 app.MapKlipyEndpoints();
 app.MapChatsEndpoints();

backend/src/Host/appsettings.json

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

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

@@ -5,8 +5,5 @@ 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/ChangePassword/ChangePassword.cs

@@ -0,0 +1,48 @@
+using BCrypt.Net;
+using Knot.Contracts.Auth.Application.Abstractions;
+using Knot.Contracts.Auth.Application.Auth.DTOs;
+using Knot.Modules.Auth.Domain;
+using Knot.Shared.Kernel;
+using Microsoft.EntityFrameworkCore;
+
+namespace Knot.Modules.Auth.Application.Users.ChangePassword;
+
+public sealed record ChangePasswordCommand(
+    Guid UserId,
+    string OldPassword,
+    string NewPassword,
+    string ConfirmPassword) : ICommand;
+
+internal sealed class ChangePasswordCommandHandler : ICommandHandler<ChangePasswordCommand>
+{
+    private readonly IAuthDbContext _dbContext;
+
+    public ChangePasswordCommandHandler(IAuthDbContext dbContext)
+    {
+        _dbContext = dbContext;
+    }
+
+    public async Task<Result> Handle(ChangePasswordCommand request, CancellationToken cancellationToken)
+    {
+        if (request.NewPassword != request.ConfirmPassword)
+            return Result.Failure(AuthErrors.PasswordConfirmationMismatch);
+
+        if (request.NewPassword.Length < 8)
+            return Result.Failure(AuthErrors.PasswordTooShort);
+
+        var user = await _dbContext.Set<User>()
+            .FirstOrDefaultAsync(u => u.Id == request.UserId, cancellationToken);
+
+        if (user is null)
+            return Result.Failure(AuthErrors.UserNotFound);
+
+        if (!BCrypt.Net.BCrypt.Verify(request.OldPassword, user.PasswordHash))
+            return Result.Failure(AuthErrors.OldPasswordInvalid);
+
+        user.ChangePassword(BCrypt.Net.BCrypt.HashPassword(request.NewPassword));
+        user.SetRefreshToken(null);
+
+        await _dbContext.SaveChangesAsync(cancellationToken);
+        return Result.Success();
+    }
+}

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

@@ -1,6 +1,4 @@
-using System.IdentityModel.Tokens.Jwt;
-using System.Security.Claims;
-using Knot.Contracts.Auth.Application.Abstractions;
+using Knot.Contracts.Auth.Application.Auth.DTOs;
 using Knot.Contracts.Auth.Application.Auth.DTOs;
 using Knot.Shared.Kernel;
 
@@ -11,12 +9,10 @@ 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, IJwtTokenProvider tokenProvider)
+    public GetMeQueryHandler(IUserRepository userRepository)
     {
         _userRepository = userRepository;
-        _tokenProvider = tokenProvider;
     }
 
     public async Task<Result<AuthResponseDto>> Handle(GetMeQuery request, CancellationToken cancellationToken)
@@ -27,18 +23,9 @@ 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 = newAccessToken,
+            AccessToken = string.Empty,
             RefreshToken = string.Empty,
             UserId = user.Id,
             Username = user.Username,

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

@@ -5,6 +5,9 @@ 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>
@@ -28,21 +31,14 @@ 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 = refreshToken,
+            RefreshToken = string.Empty,
             UserId = user.Id,
             Username = user.Username,
             DisplayName = user.DisplayName
         });
     }
 }
-

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

@@ -1,7 +0,0 @@
-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

@@ -1,65 +0,0 @@
-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

@@ -1,4 +1,5 @@
 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;
@@ -8,6 +9,9 @@ using Knot.Shared.Kernel;
 
 namespace Knot.Modules.Auth.Application.Users.Register;
 
+/// <summary>
+/// ������� ��� ����������� ������ ������������.
+/// </summary>
 public sealed record RegisterUserCommand(
     string Username,
     string Password,
@@ -15,6 +19,9 @@ public sealed record RegisterUserCommand(
     string? Email,
     string? Bio) : ICommand<AuthResponseDto>;
 
+/// <summary>
+/// ���������� ������� �����������.
+/// </summary>
 internal sealed class RegisterUserCommandHandler : ICommandHandler<RegisterUserCommand, AuthResponseDto>
 {
     private readonly IUserRepository _userRepository;
@@ -41,13 +48,16 @@ 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,
@@ -55,33 +65,21 @@ internal sealed class RegisterUserCommandHandler : ICommandHandler<RegisterUserC
             request.Email,
             request.Bio);
 
-        var repoImpl = _userRepository as Infrastructure.Persistence.UserRepository;
-        repoImpl?.Add(user);
+        // 4. ���������� - ���������� ����� � Domain User
+        var repoWithDomainUserAdd = _userRepository as Infrastructure.Persistence.UserRepository;
+        repoWithDomainUserAdd?.Add(user);
 
         await _unitOfWork.SaveChangesAsync(cancellationToken);
 
-        // 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);
+        string token = _tokenProvider.Generate(user.Id, user.Username, user.DisplayName, user.Avatar);
 
         return Result.Success(new AuthResponseDto
         {
             AccessToken = token,
-            RefreshToken = refreshToken,
-            UserId = userContract.Id,
-            Username = userContract.Username,
-            DisplayName = userContract.DisplayName
+            RefreshToken = string.Empty,
+            UserId = user.Id,
+            Username = user.Username,
+            DisplayName = user.DisplayName
         });
     }
 }
-

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

@@ -26,7 +26,6 @@ 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() {
@@ -49,10 +48,9 @@ public sealed class User : AggregateRoot<Guid>
         PhoneNumber = phoneNumber;
     }
 
-    public void SetRefreshToken(string? refreshToken, DateTime? expiry = null)
+    public void SetRefreshToken(string? refreshToken)
     {
         RefreshToken = refreshToken;
-        RefreshTokenExpiry = expiry;
     }
 
     public void SetBannedUntil(DateTime? bannedUntil)
@@ -81,8 +79,6 @@ 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)
@@ -185,9 +181,7 @@ public sealed class User : AggregateRoot<Guid>
             IsOnline = IsOnline,
             IsExternal = IsExternal,
             Domain = _domain,
-            LastSeen = LastSeen,
-            RefreshToken = RefreshToken,
-            RefreshTokenExpiry = RefreshTokenExpiry
+            LastSeen = LastSeen
         };
     }
 }

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

@@ -50,12 +50,6 @@ 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

@@ -1,100 +0,0 @@
-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

@@ -1,28 +0,0 @@
-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

@@ -1,18 +1,20 @@
-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 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.ChangePassword;
 using MediatR;
 using Microsoft.AspNetCore.Builder;
 using Microsoft.AspNetCore.Http;
-using Microsoft.AspNetCore.Mvc;
 using Microsoft.AspNetCore.Routing;
+using Microsoft.AspNetCore.Mvc;
 
 namespace Knot.Modules.Auth.Presentation.Endpoints;
 
 public static class AuthEndpoints
 {
+    public sealed record ChangePasswordRequest(string OldPassword, string NewPassword, string ConfirmPassword);
+
     public static void MapAuthEndpoints(this WebApplication app)
     {
         var group = app.MapGroup("api/auth");
@@ -29,16 +31,24 @@ 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);
             return result.IsSuccess ? Results.Ok(result.Value) : Results.NotFound();
         }).RequireAuthorization();
+
+        group.MapPost("change-password", async ([FromBody] ChangePasswordRequest request, ISender sender, IUserContext userContext, CancellationToken ct) =>
+        {
+            var result = await sender.Send(
+                new ChangePasswordCommand(userContext.UserId, request.OldPassword, request.NewPassword, request.ConfirmPassword),
+                ct);
+
+            if (result.IsSuccess) return Results.Ok();
+
+            if (result.Error.Code == "Auth.OldPasswordInvalid")
+                return Results.StatusCode(StatusCodes.Status403Forbidden);
+
+            return Results.BadRequest(new { error = result.Error.Code ?? result.Error.Description });
+        }).RequireAuthorization();
     }
 }

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

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

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

@@ -42,16 +42,10 @@ 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
             {
@@ -61,13 +55,24 @@ public sealed class DeleteMessagesCommandHandler : ICommandHandler<DeleteMessage
             await _messageRepository.UpdateAsync(message, cancellationToken);
         }
 
-        // Notify all clients in the chat about the deletion
-        await _hubContext.Clients.Group(request.ChatId.ToString()).SendAsync("messages_deleted", new
+        if (request.DeleteForAll)
         {
-            chatId = request.ChatId,
-            messageIds = request.MessageIds,
-            deleteForAll = request.DeleteForAll
-        });
+            await _hubContext.Clients.Group(request.ChatId.ToString()).SendAsync("messages_deleted", new
+            {
+                chatId = request.ChatId,
+                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, 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)
-        {
-            // Получаем только сообщения ПОСЛЕ указанного sequenceId (для синхронизации)
-            messages = await _messageRepository.GetChatMessagesAfterAsync(request.ChatId, request.AfterSequenceId.Value, queryLimit, cancellationToken);
-        }
-        else if (request.Pivot.HasValue)
+        if (request.Pivot.HasValue)
         {
             messages = await _messageRepository.GetChatMessagesAroundAsync(request.ChatId, request.Pivot.Value, queryLimit, cancellationToken);
         }
@@ -119,8 +114,7 @@ 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)
             {
@@ -147,7 +141,7 @@ 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 as TextMessage)?.Quote,
+                message is TextMessage tm ? tm.Quote : null,
                 message.IsEdited,
                 message.IsDeleted,
                 message.CreatedAt,
@@ -159,23 +153,20 @@ 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(),
-                reactions?.Select(r =>
-                {
+                new List<ReadByDto>(), // ReadBy not implemented in this detailed view yet
+                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)
@@ -183,13 +174,12 @@ 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);
-                }).ToList(),
+                     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(),
                  (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.IsDeletedForUser(request.UserId)
+                 (message as PollMessage)?.Votes.Where(v => v.UserId == request.UserId).Select(v => v.OptionId).ToList()
              ));
         }
 

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 +1,27 @@
 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;
+using Knot.Contracts.Profiles.Domain;
 
 namespace Knot.Modules.Conversations.Infrastructure.SignalR;
 
@@ -37,7 +38,7 @@ 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)
@@ -51,16 +52,18 @@ public sealed class ChatHub : Hub
     private readonly ILogger<ChatHub> _logger;
     private readonly IMemoryCache _cache;
     private readonly IUserDisplayNameProvider _userProvider;
+    private readonly IProfileRepository _profileRepository;
 
     public ChatHub(
-        ISender sender,
-        IUserContext userContext,
-        IChatRepository chatRepository,
-        IUserRepository userRepository,
+        ISender sender, 
+        IUserContext userContext, 
+        IChatRepository chatRepository, 
+        IUserRepository userRepository, 
         IMessageRepository messageRepository,
-        ILogger<ChatHub> logger,
+        ILogger<ChatHub> logger, 
         IMemoryCache cache,
-        IUserDisplayNameProvider userProvider)
+        IUserDisplayNameProvider userProvider,
+        IProfileRepository profileRepository)
     {
         _sender = sender;
         _userContext = userContext;
@@ -70,6 +73,7 @@ public sealed class ChatHub : Hub
         _logger = logger;
         _cache = cache;
         _userProvider = userProvider;
+        _profileRepository = profileRepository;
     }
 
     public override async Task OnConnectedAsync()
@@ -95,7 +99,15 @@ public sealed class ChatHub : Hub
 
                 userId, Context.ConnectionId, userChats.Count);
 
-            await Clients.Others.SendAsync("user_online", new { userId });
+            var isInvisible = await IsUserInvisibleAsync(_userContext.UserId, Context.ConnectionAborted);
+            if (!isInvisible)
+            {
+                await BroadcastPresenceToVisibleUsersAsync(
+                    "user_online",
+                    new { userId },
+                    _userContext.UserId,
+                    Context.ConnectionAborted);
+            }
         }
         await base.OnConnectedAsync();
     }
@@ -111,7 +123,22 @@ public sealed class ChatHub : Hub
                 if (set.Count == 0)
                 {
                     _userConnections.TryRemove(userId, out _);
-                    await Clients.Others.SendAsync("user_offline", new { userId, lastSeen = DateTime.UtcNow });
+                    try
+                    {
+                        var isInvisible = await IsUserInvisibleAsync(_userContext.UserId, CancellationToken.None);
+                        if (!isInvisible)
+                        {
+                            await BroadcastPresenceToVisibleUsersAsync(
+                                "user_offline",
+                                new { userId, lastSeen = DateTime.UtcNow },
+                                _userContext.UserId,
+                                CancellationToken.None);
+                        }
+                    }
+                    catch (Exception ex)
+                    {
+                        _logger.LogWarning(ex, "Presence broadcast on disconnect failed for {UserId}", userId);
+                    }
                 }
             }
             _cache.Set("Global_OnlineUsersCount", _userConnections.Count);
@@ -120,6 +147,56 @@ public sealed class ChatHub : Hub
         await base.OnDisconnectedAsync(exception);
     }
 
+    private async Task<bool> IsUserInvisibleAsync(Guid userId, CancellationToken ct)
+    {
+        var profile = await _profileRepository.GetAsync(userId, ct);
+        return profile?.IsInvisible ?? false;
+    }
+
+    private async Task BroadcastPresenceToVisibleUsersAsync(
+        string eventName,
+        object payload,
+        Guid sourceUserId,
+        CancellationToken cancellationToken)
+    {
+        var recipients = _userConnections.Keys
+            .Where(id => id != sourceUserId.ToString())
+            .Select(id => Guid.TryParse(id, out var parsed) ? parsed : Guid.Empty)
+            .Where(id => id != Guid.Empty)
+            .Distinct()
+            .ToList();
+
+        if (recipients.Count == 0)
+            return;
+
+        var recipientProfiles = await _profileRepository.GetAsync(recipients, cancellationToken);
+        var invisibleRecipientIds = recipientProfiles
+            .Where(p => p.IsInvisible)
+            .Select(p => p.UserId)
+            .ToHashSet();
+
+        foreach (var kvp in _userConnections)
+        {
+            if (!Guid.TryParse(kvp.Key, out var recipientId))
+                continue;
+            if (recipientId == sourceUserId)
+                continue;
+            if (invisibleRecipientIds.Contains(recipientId))
+                continue;
+
+            string[] connectionIds;
+            lock (kvp.Value)
+            {
+                connectionIds = kvp.Value.ToArray();
+            }
+
+            foreach (var connectionId in connectionIds)
+            {
+                await Clients.Client(connectionId).SendAsync(eventName, payload);
+            }
+        }
+    }
+
     // ────────────────────────────────────────────────────────────────
     // Chat methods
     // ────────────────────────────────────────────────────────────────
@@ -158,7 +235,6 @@ 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(),
@@ -262,7 +338,7 @@ 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,
@@ -277,7 +353,7 @@ 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,
@@ -329,7 +405,7 @@ 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 });
     }
@@ -351,8 +427,8 @@ public sealed class ChatHub : Hub
     {
         if (string.IsNullOrEmpty(targetUserId))
         {
-            _logger.LogWarning("SendToUserAsync called with null or empty targetUserId");
-            return;
+             _logger.LogWarning("SendToUserAsync called with null or empty targetUserId");
+             return;
         }
 
         if (_userConnections.TryGetValue(targetUserId, out var connectionIds))
@@ -399,15 +475,15 @@ 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);
-            if (Guid.TryParse(request.TargetUserId, out var targetId))
-            {
-                var personalChat = userChats.FirstOrDefault(c => c.Type == ChatType.Personal && c.Members.Any(m => m.UserId == targetId));
-                if (personalChat != null) chatId = personalChat.Id;
-            }
+             var userChats = await _chatRepository.GetUserChatsAsync(_userContext.UserId, Context.ConnectionAborted);
+             if (Guid.TryParse(request.TargetUserId, out var targetId))
+             {
+                 var personalChat = userChats.FirstOrDefault(c => c.Type == ChatType.Personal && c.Members.Any(m => m.UserId == targetId));
+                 if (personalChat != null) chatId = personalChat.Id;
+             }
         }
 
         var session = new CallSession(chatId, _userContext.UserId, Guid.Parse(request.TargetUserId), request.CallType, DateTime.UtcNow);
@@ -462,10 +538,10 @@ public sealed class ChatHub : Hub
             _activeSessionsByUser.TryRemove(request.TargetUserId, out _);
             if (session.ChatId.HasValue)
             {
-                int duration = session.IsAnswered && session.AnswerTime.HasValue
-                    ? (int)(DateTime.UtcNow - session.AnswerTime.Value).TotalSeconds
+                int duration = session.IsAnswered && session.AnswerTime.HasValue 
+                    ? (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);
             }
@@ -574,7 +650,7 @@ 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/Knot.Modules.Conversations.csproj

@@ -12,6 +12,7 @@
     <ProjectReference Include="..\..\Contracts\Messaging\Knot.Contracts.Messaging.csproj" />
     <ProjectReference Include="..\..\Contracts\Conversations\Knot.Contracts.Conversations.csproj" />
     <ProjectReference Include="..\..\Contracts\Auth\Knot.Contracts.Auth.csproj" />
+    <ProjectReference Include="..\..\Contracts\Profiles\Knot.Contracts.Profiles.csproj" />
   </ItemGroup>
 
   <ItemGroup>

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 (
-            [FromRoute] Guid chatId,
-            [FromQuery] string? cursor,
-            [FromQuery] long? afterSequenceId,
-            [FromQuery] long? pivot,
-            [FromQuery] int? limit,
-            ISender sender,
-            IUserContext userContext,
-            CancellationToken ct) =>
+        group.MapGet("chat/{chatId:guid}", async ([FromRoute] Guid chatId, [FromQuery] string? cursor, 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

@@ -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; }
@@ -42,20 +42,16 @@ 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 chatId,
-        Guid senderId,
-        Guid? replyToId,
-        Guid? forwardedFromId,
-        DateTime createdAt,
+        Guid id, 
+        Guid chatId, 
+        Guid senderId, 
+        Guid? replyToId, 
+        Guid? forwardedFromId, 
+        DateTime createdAt, 
         bool isImported) : base(id)
     {
         ChatId = chatId;
@@ -63,7 +59,7 @@ public abstract class Message : AggregateRoot<Guid>
         ReplyToId = replyToId;
         ForwardedFromId = forwardedFromId;
         CreatedAt = createdAt;
-
+        
         if (isImported) AddState(MessageState.IsImported);
     }
 
@@ -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

@@ -95,28 +95,14 @@ 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)

backend/src/Modules/Profiles/Application/Profiles/DTOs/ProfilesRequests.cs

@@ -2,5 +2,9 @@ using System;
 
 namespace Knot.Modules.Profiles.Application.Profiles.DTOs;
 
-public record UpdateProfileRequest(string? DisplayName, string? Bio, DateTime? Birthday);
+public record UpdateProfileRequest(
+    string? DisplayName,
+    string? Bio,
+    DateTime? Birthday,
+    bool? IsInvisible);
 public record UpdateSettingsRequest(bool? HideStoryViews);

backend/src/Modules/Profiles/Application/Profiles/UpdateProfile/UpdateProfile.cs

@@ -11,7 +11,8 @@ public sealed record UpdateProfileCommand(
     Guid UserId,
     string? DisplayName,
     string? Bio,
-    DateTime? Birthday) : ICommand<UserProfileDto>;
+    DateTime? Birthday,
+    bool? IsInvisible) : ICommand<UserProfileDto>;
 
 internal sealed class UpdateProfileCommandHandler : ICommandHandler<UpdateProfileCommand, UserProfileDto>
 {
@@ -28,9 +29,13 @@ internal sealed class UpdateProfileCommandHandler : ICommandHandler<UpdateProfil
         if (profile is null)
             return Result.Failure<UserProfileDto>(ProfilesErrors.ProfileNotFound);
 
+        if ((request.Bio?.Length ?? 0) > 200)
+            return Result.Failure<UserProfileDto>(ProfilesErrors.BioTooLong);
+
         profile.DisplayName = request.DisplayName ?? profile.DisplayName;
         profile.About = request.Bio;
         profile.Birthday = request.Birthday;
+        profile.IsInvisible = request.IsInvisible ?? profile.IsInvisible;
 
         var result = await _repository.UpdateAsync(profile, cancellationToken);
         if (result.IsFailure)

backend/src/Modules/Profiles/Application/Statuses/ClearUserStatusCommand.cs

@@ -0,0 +1,21 @@
+using Knot.Contracts.Profiles.Application.DTOs;
+using Knot.Contracts.Profiles.Domain;
+using Knot.Shared.Kernel;
+using MediatR;
+
+namespace Knot.Modules.Profiles.Application.Statuses;
+
+public sealed record ClearUserStatusCommand(Guid UserId) : IRequest<Result<UserProfileDto>>;
+
+public sealed class ClearUserStatusCommandHandler : IRequestHandler<ClearUserStatusCommand, Result<UserProfileDto>>
+{
+    private readonly IProfileStatusWriter _writer;
+
+    public ClearUserStatusCommandHandler(IProfileStatusWriter writer)
+    {
+        _writer = writer;
+    }
+
+    public Task<Result<UserProfileDto>> Handle(ClearUserStatusCommand request, CancellationToken cancellationToken)
+        => _writer.ClearAsync(request.UserId, cancellationToken);
+}

backend/src/Modules/Profiles/Application/Statuses/GetStatusPresetsQuery.cs

@@ -0,0 +1,12 @@
+using Knot.Contracts.Profiles.Application.DTOs;
+using MediatR;
+
+namespace Knot.Modules.Profiles.Application.Statuses;
+
+public sealed record GetStatusPresetsQuery : IRequest<IReadOnlyList<StatusPresetDto>>;
+
+public sealed class GetStatusPresetsQueryHandler : IRequestHandler<GetStatusPresetsQuery, IReadOnlyList<StatusPresetDto>>
+{
+    public Task<IReadOnlyList<StatusPresetDto>> Handle(GetStatusPresetsQuery request, CancellationToken cancellationToken)
+        => Task.FromResult(StatusPresetCatalog.All);
+}

backend/src/Modules/Profiles/Application/Statuses/SetCustomUserStatusCommand.cs

@@ -0,0 +1,53 @@
+using Knot.Contracts.Profiles.Application.DTOs;
+using Knot.Contracts.Profiles.Domain;
+using Knot.Shared.Kernel;
+using MediatR;
+
+namespace Knot.Modules.Profiles.Application.Statuses;
+
+public sealed record SetCustomUserStatusCommand(
+    Guid UserId,
+    string? Emoji,
+    string? Text,
+    DateTime? ExpiresAt,
+    string? PresetKey) : IRequest<Result<UserProfileDto>>;
+
+public sealed class SetCustomUserStatusCommandHandler : IRequestHandler<SetCustomUserStatusCommand, Result<UserProfileDto>>
+{
+    private readonly IProfileStatusWriter _writer;
+
+    public SetCustomUserStatusCommandHandler(IProfileStatusWriter writer)
+    {
+        _writer = writer;
+    }
+
+    public async Task<Result<UserProfileDto>> Handle(SetCustomUserStatusCommand request, CancellationToken cancellationToken)
+    {
+        var key = request.PresetKey?.Trim();
+        if (!string.IsNullOrEmpty(key) && key.Equals("online", StringComparison.OrdinalIgnoreCase))
+            return await _writer.ClearAsync(request.UserId, cancellationToken);
+
+        var emoji = request.Emoji?.Trim() ?? string.Empty;
+        var text = request.Text?.Trim() ?? string.Empty;
+
+        if (!string.IsNullOrEmpty(key))
+        {
+            var preset = StatusPresetCatalog.Find(key);
+            if (preset is null)
+                return Result.Failure<UserProfileDto>(ProfilesErrors.InvalidPreset);
+            if (string.IsNullOrEmpty(emoji))
+                emoji = preset.Emoji;
+            if (string.IsNullOrEmpty(text))
+                text = preset.TextRu;
+        }
+
+        if (string.IsNullOrEmpty(emoji) && string.IsNullOrEmpty(text))
+            return Result.Failure<UserProfileDto>(ProfilesErrors.StatusEmpty);
+
+        if (text.Length > 50)
+            return Result.Failure<UserProfileDto>(ProfilesErrors.StatusTextTooLong);
+
+        var presetForWriter = string.IsNullOrWhiteSpace(key) ? null : key;
+        return await _writer.SetCustomAsync(request.UserId, emoji, text, request.ExpiresAt, presetForWriter, cancellationToken);
+    }
+}

backend/src/Modules/Profiles/Application/Statuses/StatusPresetCatalog.cs

@@ -0,0 +1,24 @@
+using Knot.Contracts.Profiles.Application.DTOs;
+
+namespace Knot.Modules.Profiles.Application.Statuses;
+
+public static class StatusPresetCatalog
+{
+    private static readonly StatusPresetDto[] Items =
+    [
+        new() { Id = "online", Emoji = "", TextRu = "Онлайн (стандарт)", TextEn = "Online (standard)" },
+        new() { Id = "away", Emoji = "🕒", TextRu = "В отъезде", TextEn = "Away" },
+        new() { Id = "dnd", Emoji = "⛔", TextRu = "Не беспокоить", TextEn = "Do not disturb" },
+        new() { Id = "sick", Emoji = "🤒", TextRu = "Болен", TextEn = "Sick" },
+        new() { Id = "angry", Emoji = "💢", TextRu = "Злой", TextEn = "Angry" }
+    ];
+
+    public static IReadOnlyList<StatusPresetDto> All => Items;
+
+    public static StatusPresetDto? Find(string presetKey)
+    {
+        if (string.IsNullOrWhiteSpace(presetKey))
+            return null;
+        return Items.FirstOrDefault(x => x.Id.Equals(presetKey.Trim(), StringComparison.OrdinalIgnoreCase));
+    }
+}

backend/src/Modules/Profiles/DependencyInjection.cs

@@ -11,10 +11,11 @@ public static class DependencyInjection
     public static IServiceCollection AddProfilesModule(this IServiceCollection services, IConfiguration configuration)
     {
         services.AddScoped<Knot.Contracts.Profiles.Domain.IProfileRepository, ProfileRepository>();
+        services.AddScoped<Knot.Contracts.Profiles.Domain.IUserStatusRepository, UserStatusMongoRepository>();
+        services.AddScoped<Knot.Contracts.Profiles.Domain.IProfileStatusWriter, ProfileStatusWriter>();
         services.AddScoped<Knot.Contracts.Profiles.Domain.IProfilesUnitOfWork, ProfilesUnitOfWork>();
         services.AddScoped<Knot.Contracts.Profiles.Domain.IAvatarStorageService, AvatarStorageService>();
 
-        // MongoDB Registration
         var mongoConnection = configuration.GetConnectionString("MongoConnection")
                              ?? configuration["MONGO_URL"]
                              ?? "mongodb://mongo:27017";

backend/src/Modules/Profiles/Domain/ProfileDocument.cs

@@ -3,10 +3,6 @@ using MongoDB.Bson.Serialization.Attributes;
 
 namespace Knot.Modules.Profiles.Domain;
 
-/// <summary>
-/// MongoDB-документ профиля пользователя.
-/// Id совпадает с UserId из модуля Auth (Postgres).
-/// </summary>
 public sealed class ProfileDocument
 {
     [BsonId]
@@ -19,12 +15,23 @@ public sealed class ProfileDocument
 
     public string? Bio { get; private set; }
 
+    public string? StatusText { get; private set; }
+
+    public string? StatusEmoji { get; private set; }
+
+    public DateTime? StatusExpiresAt { get; private set; }
+
+    [BsonRepresentation(BsonType.String)]
+    public Guid? CurrentStatusId { get; private set; }
+
     public string? AvatarUrl { get; private set; }
 
     public DateTime? Birthday { get; private set; }
 
     public bool HideStoryViews { get; private set; }
 
+    public bool IsInvisible { get; private set; }
+
     public bool IsBanned { get; private set; }
 
     public bool IsDeleted { get; private set; }
@@ -65,6 +72,26 @@ public sealed class ProfileDocument
     public void UpdateSettings(bool hideStoryViews)
         => HideStoryViews = hideStoryViews;
 
+    public void UpdateInvisible(bool isInvisible)
+        => IsInvisible = isInvisible;
+
+    public void UpdateStatus(string? statusText, string? statusEmoji, DateTime? statusExpiresAt)
+    {
+        StatusText = statusText;
+        StatusEmoji = statusEmoji;
+        StatusExpiresAt = statusExpiresAt;
+    }
+
+    public void SetCurrentStatusId(Guid? statusId)
+        => CurrentStatusId = statusId;
+
+    public void ClearMoodStatusFields()
+    {
+        StatusText = null;
+        StatusEmoji = null;
+        StatusExpiresAt = null;
+    }
+
     public void UpdateStatus(bool isBanned, bool isDeleted)
     {
         IsBanned = isBanned;

backend/src/Modules/Profiles/Domain/UserStatusDocument.cs

@@ -0,0 +1,26 @@
+using MongoDB.Bson;
+using MongoDB.Bson.Serialization.Attributes;
+
+namespace Knot.Modules.Profiles.Domain;
+
+public sealed class UserStatusDocument
+{
+    [BsonId]
+    [BsonRepresentation(BsonType.String)]
+    public Guid Id { get; set; }
+
+    [BsonRepresentation(BsonType.String)]
+    public Guid UserId { get; set; }
+
+    public string Type { get; set; } = "Custom";
+
+    public string Emoji { get; set; } = "";
+
+    public string Text { get; set; } = "";
+
+    public DateTime CreatedAt { get; set; }
+
+    public DateTime? ExpiresAt { get; set; }
+
+    public BsonDocument Metadata { get; set; } = new();
+}

backend/src/Modules/Profiles/Infrastructure/Database/ProfileRepository.cs

@@ -10,29 +10,39 @@ namespace Knot.Modules.Profiles.Infrastructure.Database;
 internal class ProfileRepository : IProfileRepository
 {
     private readonly IMongoCollection<ProfileDocument> _profiles;
+    private readonly IUserStatusRepository _statuses;
 
-    public ProfileRepository(IMongoDatabase database)
+    public ProfileRepository(IMongoDatabase database, IUserStatusRepository statuses)
     {
         _profiles = database.GetCollection<ProfileDocument>("profiles");
+        _statuses = statuses;
     }
 
     public async Task<UserProfileDto?> GetAsync(Guid userId, CancellationToken ct = default)
     {
         var profile = await _profiles.Find(p => p.Id == userId).FirstOrDefaultAsync(ct);
-        return profile?.ToDto();
+        return profile is null ? null : await profile.ToDtoAsync(_statuses, ct);
     }
 
     public async Task<UserProfileDto?> GetByUsernameAsync(string username, CancellationToken ct = default)
     {
         var profile = await _profiles.Find(p => p.Username == username).FirstOrDefaultAsync(ct);
-        return profile?.ToDto();
+        return profile is null ? null : await profile.ToDtoAsync(_statuses, ct);
     }
 
     public async Task<List<UserProfileDto>> GetAsync(IEnumerable<Guid> userIds, CancellationToken ct = default)
     {
         var ids = userIds.ToList();
         var profiles = await _profiles.Find(p => ids.Contains(p.Id)).ToListAsync(ct);
-        return profiles.Select(p => p.ToDto()).ToList();
+        var statusIds = profiles
+            .Where(p => p.CurrentStatusId.HasValue)
+            .Select(p => p.CurrentStatusId!.Value)
+            .Distinct()
+            .ToList();
+        var map = statusIds.Count > 0
+            ? await _statuses.GetByIdsAsync(statusIds, ct)
+            : new Dictionary<Guid, UserStatusDto>();
+        return profiles.Select(p => ProfileMappings.ToDtoWithStatusMap(p, map)).ToList();
     }
 
     public async Task<List<UserProfileDto>> SearchAsync(string query, int limit = 20, CancellationToken ct = default)
@@ -57,7 +67,16 @@ internal class ProfileRepository : IProfileRepository
             var combinedFilter = Builders<ProfileDocument>.Filter.And(baseFilter, searchFilter);
             docs = await _profiles.Find(combinedFilter).Limit(limit).ToListAsync(ct);
         }
-        return docs.Select(p => p.ToDto()).ToList();
+
+        var statusIds = docs
+            .Where(p => p.CurrentStatusId.HasValue)
+            .Select(p => p.CurrentStatusId!.Value)
+            .Distinct()
+            .ToList();
+        var map = statusIds.Count > 0
+            ? await _statuses.GetByIdsAsync(statusIds, ct)
+            : new Dictionary<Guid, UserStatusDto>();
+        return docs.Select(p => ProfileMappings.ToDtoWithStatusMap(p, map)).ToList();
     }
 
     public async Task<Result<UserProfileDto>> CreateAsync(UserProfileDto dto, CancellationToken ct = default)
@@ -65,7 +84,7 @@ internal class ProfileRepository : IProfileRepository
         var profile = ProfileDocument.Create(dto.UserId, dto.Username ?? string.Empty, dto.DisplayName ?? string.Empty, dto.About);
 
         await _profiles.InsertOneAsync(profile, null, ct);
-        return Result.Success(profile.ToDto());
+        return Result.Success(await profile.ToDtoAsync(_statuses, ct));
     }
 
     public async Task<Result<UserProfileDto>> UpdateAsync(UserProfileDto dto, CancellationToken ct = default)
@@ -80,9 +99,13 @@ internal class ProfileRepository : IProfileRepository
             dto.Birthday);
 
         document.UpdateAvatar(dto.Avatar);
+        document.UpdateInvisible(dto.IsInvisible);
 
         await _profiles.ReplaceOneAsync(p => p.Id == dto.UserId, document, cancellationToken: ct);
-        return Result.Success(document.ToDto());
+        var fresh = await _profiles.Find(p => p.Id == dto.UserId).FirstOrDefaultAsync(ct);
+        if (fresh is null)
+            return Result.Failure<UserProfileDto>(ProfilesErrors.ProfileNotFound);
+        return Result.Success(await fresh.ToDtoAsync(_statuses, ct));
     }
 
     public async Task<Result> UpdateStatusAsync(Guid userId, bool isBanned, bool isDeleted, CancellationToken ct = default)

backend/src/Modules/Profiles/Infrastructure/Database/ProfileStatusWriter.cs

@@ -0,0 +1,73 @@
+using Knot.Contracts.Profiles.Application.DTOs;
+using Knot.Contracts.Profiles.Domain;
+using Knot.Modules.Profiles.Domain;
+using Knot.Modules.Profiles.Infrastructure.Mappings;
+using Knot.Shared.Kernel;
+using MongoDB.Driver;
+
+namespace Knot.Modules.Profiles.Infrastructure.Database;
+
+internal sealed class ProfileStatusWriter : IProfileStatusWriter
+{
+    private readonly IMongoCollection<ProfileDocument> _profiles;
+    private readonly IUserStatusRepository _statuses;
+
+    public ProfileStatusWriter(IMongoDatabase database, IUserStatusRepository statuses)
+    {
+        _profiles = database.GetCollection<ProfileDocument>("profiles");
+        _statuses = statuses;
+    }
+
+    public async Task<Result<UserProfileDto>> SetCustomAsync(Guid userId, string emoji, string text, DateTime? expiresAt, string? presetKey, CancellationToken cancellationToken = default)
+    {
+        var profile = await _profiles.Find(p => p.Id == userId).FirstOrDefaultAsync(cancellationToken);
+        if (profile is null)
+            return Result.Failure<UserProfileDto>(ProfilesErrors.ProfileNotFound);
+
+        if (profile.CurrentStatusId is Guid oldId)
+            await _statuses.DeleteAsync(oldId, cancellationToken);
+
+        var newId = Guid.NewGuid();
+        var type = string.IsNullOrWhiteSpace(presetKey) ? "Custom" : "Preset";
+        var dto = new UserStatusDto
+        {
+            Id = newId,
+            Type = type,
+            Emoji = emoji,
+            Text = text,
+            CreatedAt = DateTime.UtcNow,
+            ExpiresAt = expiresAt
+        };
+        await _statuses.InsertAsync(dto, userId, cancellationToken);
+
+        profile.SetCurrentStatusId(newId);
+        profile.ClearMoodStatusFields();
+        await _profiles.ReplaceOneAsync(p => p.Id == userId, profile, cancellationToken: cancellationToken);
+
+        var fresh = await _profiles.Find(p => p.Id == userId).FirstOrDefaultAsync(cancellationToken);
+        if (fresh is null)
+            return Result.Failure<UserProfileDto>(ProfilesErrors.ProfileNotFound);
+
+        return Result.Success(await fresh.ToDtoAsync(_statuses, cancellationToken));
+    }
+
+    public async Task<Result<UserProfileDto>> ClearAsync(Guid userId, CancellationToken cancellationToken = default)
+    {
+        var profile = await _profiles.Find(p => p.Id == userId).FirstOrDefaultAsync(cancellationToken);
+        if (profile is null)
+            return Result.Failure<UserProfileDto>(ProfilesErrors.ProfileNotFound);
+
+        if (profile.CurrentStatusId is Guid oldId)
+            await _statuses.DeleteAsync(oldId, cancellationToken);
+
+        profile.SetCurrentStatusId(null);
+        profile.ClearMoodStatusFields();
+        await _profiles.ReplaceOneAsync(p => p.Id == userId, profile, cancellationToken: cancellationToken);
+
+        var fresh = await _profiles.Find(p => p.Id == userId).FirstOrDefaultAsync(cancellationToken);
+        if (fresh is null)
+            return Result.Failure<UserProfileDto>(ProfilesErrors.ProfileNotFound);
+
+        return Result.Success(await fresh.ToDtoAsync(_statuses, cancellationToken));
+    }
+}

backend/src/Modules/Profiles/Infrastructure/Database/UserStatusMongoRepository.cs

@@ -0,0 +1,62 @@
+using Knot.Contracts.Profiles.Application.DTOs;
+using Knot.Contracts.Profiles.Domain;
+using Knot.Modules.Profiles.Domain;
+using MongoDB.Bson;
+using MongoDB.Driver;
+
+namespace Knot.Modules.Profiles.Infrastructure.Database;
+
+internal sealed class UserStatusMongoRepository : IUserStatusRepository
+{
+    private readonly IMongoCollection<UserStatusDocument> _collection;
+
+    public UserStatusMongoRepository(IMongoDatabase database)
+    {
+        _collection = database.GetCollection<UserStatusDocument>("user_statuses");
+    }
+
+    public async Task<UserStatusDto?> GetByIdAsync(Guid id, CancellationToken cancellationToken = default)
+    {
+        var doc = await _collection.Find(x => x.Id == id).FirstOrDefaultAsync(cancellationToken);
+        return doc is null ? null : ToDto(doc);
+    }
+
+    public async Task<IReadOnlyDictionary<Guid, UserStatusDto>> GetByIdsAsync(IEnumerable<Guid> ids, CancellationToken cancellationToken = default)
+    {
+        var idList = ids.Distinct().ToList();
+        if (idList.Count == 0)
+            return new Dictionary<Guid, UserStatusDto>();
+
+        var docs = await _collection.Find(x => idList.Contains(x.Id)).ToListAsync(cancellationToken);
+        return docs.ToDictionary(d => d.Id, ToDto);
+    }
+
+    public async Task InsertAsync(UserStatusDto dto, Guid userId, CancellationToken cancellationToken = default)
+    {
+        var doc = new UserStatusDocument
+        {
+            Id = dto.Id,
+            UserId = userId,
+            Type = dto.Type,
+            Emoji = dto.Emoji,
+            Text = dto.Text,
+            CreatedAt = dto.CreatedAt,
+            ExpiresAt = dto.ExpiresAt,
+            Metadata = new BsonDocument()
+        };
+        await _collection.InsertOneAsync(doc, cancellationToken: cancellationToken);
+    }
+
+    public Task DeleteAsync(Guid id, CancellationToken cancellationToken = default)
+        => _collection.DeleteOneAsync(x => x.Id == id, cancellationToken);
+
+    private static UserStatusDto ToDto(UserStatusDocument d) => new()
+    {
+        Id = d.Id,
+        Type = d.Type,
+        Emoji = d.Emoji,
+        Text = d.Text,
+        CreatedAt = d.CreatedAt,
+        ExpiresAt = d.ExpiresAt
+    };
+}

backend/src/Modules/Profiles/Infrastructure/Mappings/ProfileMappings.cs

@@ -1,13 +1,14 @@
 using Knot.Contracts.Profiles.Application.DTOs;
+using Knot.Contracts.Profiles.Domain;
 using Knot.Modules.Profiles.Domain;
 
 namespace Knot.Modules.Profiles.Infrastructure.Mappings;
 
 public static class ProfileMappings
 {
-    public static UserProfileDto ToDto(this ProfileDocument document)
+    public static UserProfileDto ToDtoWithStatusMap(ProfileDocument document, IReadOnlyDictionary<Guid, UserStatusDto> statusMap)
     {
-        return new UserProfileDto
+        var dto = new UserProfileDto
         {
             UserId = document.Id,
             DisplayName = document.DisplayName,
@@ -18,7 +19,59 @@ public static class ProfileMappings
             LastSeen = null,
             Birthday = document.Birthday,
             IsPremium = false,
-            CreatedAt = document.CreatedAt
+            IsInvisible = document.IsInvisible,
+            CreatedAt = document.CreatedAt,
+            Status = null,
+            StatusText = null,
+            StatusEmoji = null,
+            StatusExpiresAt = null,
+            CurrentStatusId = null
         };
+
+        UserStatusDto? active = null;
+        if (document.CurrentStatusId is Guid sid && statusMap.TryGetValue(sid, out var loaded) && loaded is not null)
+        {
+            var exp = loaded.ExpiresAt;
+            if (!exp.HasValue || exp.Value > DateTime.UtcNow)
+                active = loaded;
+        }
+
+        if (active is not null)
+        {
+            dto.Status = active;
+            dto.StatusText = active.Text;
+            dto.StatusEmoji = active.Emoji;
+            dto.StatusExpiresAt = active.ExpiresAt;
+            dto.CurrentStatusId = active.Id;
+            return dto;
+        }
+
+        var legacyExpired = document.StatusExpiresAt.HasValue && document.StatusExpiresAt.Value <= DateTime.UtcNow;
+        if (!legacyExpired && (!string.IsNullOrEmpty(document.StatusText) || !string.IsNullOrEmpty(document.StatusEmoji)))
+        {
+            dto.StatusText = document.StatusText;
+            dto.StatusEmoji = document.StatusEmoji;
+            dto.StatusExpiresAt = document.StatusExpiresAt;
+            dto.Status = new UserStatusDto
+            {
+                Id = Guid.Empty,
+                Type = "Custom",
+                Emoji = document.StatusEmoji ?? string.Empty,
+                Text = document.StatusText ?? string.Empty,
+                CreatedAt = document.CreatedAt,
+                ExpiresAt = document.StatusExpiresAt
+            };
+            return dto;
+        }
+
+        return dto;
+    }
+
+    public static async Task<UserProfileDto> ToDtoAsync(this ProfileDocument document, IUserStatusRepository statuses, CancellationToken cancellationToken)
+    {
+        if (document.CurrentStatusId is not Guid sid)
+            return ToDtoWithStatusMap(document, new Dictionary<Guid, UserStatusDto>());
+        var map = await statuses.GetByIdsAsync(new[] { sid }, cancellationToken);
+        return ToDtoWithStatusMap(document, map);
     }
 }

backend/src/Modules/Profiles/Presentation/Endpoints/ProfilesEndpoints.cs

@@ -17,6 +17,8 @@ public static class ProfilesEndpoints
     public static void MapProfilesEndpoints(this WebApplication app)
     {
         var group = app.MapGroup("api/profiles").RequireAuthorization();
+        var userGroup = app.MapGroup("api/user").RequireAuthorization();
+        var usersGroup = app.MapGroup("api/users").RequireAuthorization();
 
         group.MapGet("search", async ([FromQuery] string q, ISender sender, IUserContext userContext, CancellationToken ct) =>
         {
@@ -67,16 +69,37 @@ public static class ProfilesEndpoints
             return result.IsSuccess ? Results.Ok(result.Value) : Results.NotFound(result.Error);
         });
 
-        group.MapPut("profile", async ([FromBody] Knot.Modules.Profiles.Application.Profiles.DTOs.UpdateProfileRequest request, ISender sender, IUserContext userContext, CancellationToken ct) =>
+        async Task<IResult> UpdateProfileHandler(
+            [FromBody] Knot.Modules.Profiles.Application.Profiles.DTOs.UpdateProfileRequest request,
+            ISender sender,
+            IUserContext userContext,
+            CancellationToken ct)
         {
-            var result = await sender.Send(new UpdateProfileCommand(userContext.UserId, request.DisplayName, request.Bio, request.Birthday), ct);
+            var result = await sender.Send(
+                new UpdateProfileCommand(
+                    userContext.UserId,
+                    request.DisplayName,
+                    request.Bio,
+                    request.Birthday,
+                    request.IsInvisible),
+                ct);
             return result.IsSuccess ? Results.Ok(result.Value) : Results.NotFound(result.Error);
-        });
+        }
+
+        group.MapPut("profile", UpdateProfileHandler);
+        group.MapPatch("profile", UpdateProfileHandler);
+        userGroup.MapPatch("profile", UpdateProfileHandler);
 
         group.MapGet("{id:guid}", async (Guid id, ISender sender, CancellationToken ct) =>
         {
             var result = await sender.Send(new GetProfileQuery(id), ct);
             return result.IsSuccess ? Results.Ok(result.Value) : Results.NotFound(result.Error);
         });
+
+        usersGroup.MapGet("{id:guid}", async (Guid id, ISender sender, CancellationToken ct) =>
+        {
+            var result = await sender.Send(new GetProfileQuery(id), ct);
+            return result.IsSuccess ? Results.Ok(result.Value) : Results.NotFound(result.Error);
+        });
     }
 }

backend/src/Modules/Profiles/Presentation/Endpoints/StatusesEndpoints.cs

@@ -0,0 +1,45 @@
+using Knot.Modules.Profiles.Application.Statuses;
+using Knot.Shared.Kernel;
+using MediatR;
+using Microsoft.AspNetCore.Builder;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Routing;
+
+namespace Knot.Modules.Profiles.Presentation.Endpoints;
+
+public static class StatusesEndpoints
+{
+    public static void MapStatusesEndpoints(this WebApplication app)
+    {
+        var g = app.MapGroup("api/statuses").RequireAuthorization();
+
+        g.MapGet("presets", async (ISender sender, CancellationToken ct) =>
+        {
+            var list = await sender.Send(new GetStatusPresetsQuery(), ct);
+            return Results.Ok(list);
+        });
+
+        g.MapPost("custom", async ([FromBody] SetCustomStatusBody body, ISender sender, IUserContext ctx, CancellationToken ct) =>
+        {
+            var result = await sender.Send(
+                new SetCustomUserStatusCommand(ctx.UserId, body.Emoji, body.Text, body.ExpiresAt, body.PresetKey),
+                ct);
+            return result.IsSuccess ? Results.Ok(result.Value) : Results.BadRequest(result.Error);
+        });
+
+        g.MapDelete("/", async (ISender sender, IUserContext ctx, CancellationToken ct) =>
+        {
+            var result = await sender.Send(new ClearUserStatusCommand(ctx.UserId), ct);
+            return result.IsSuccess ? Results.Ok(result.Value) : Results.BadRequest(result.Error);
+        });
+    }
+
+    public sealed class SetCustomStatusBody
+    {
+        public string? Emoji { get; set; }
+        public string? Text { get; set; }
+        public DateTime? ExpiresAt { get; set; }
+        public string? PresetKey { get; set; }
+    }
+}

client-mobile/.gradle/buildOutputCleanup/cache.properties

@@ -1,2 +0,0 @@
-#Tue Apr 14 00:27:15 MSK 2026
-gradle.version=8.5

client-mobile/.gradle/config.properties

@@ -1,2 +0,0 @@
-#Tue Apr 14 00:13:58 MSK 2026
-java.home=C\:\\Program Files\\Android\\Android Studio\\jbr

client-mobile/app/build.gradle.kts

@@ -1,141 +0,0 @@
-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"
-    }
-    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")
-    implementation("androidx.room:room-paging:$room_version")
-    kapt("androidx.room:room-compiler:$room_version")
-
-    // Paging 3
-    implementation("androidx.paging:paging-runtime-ktx:3.2.1")
-    implementation("androidx.paging:paging-compose:3.2.1")
-
-    // WorkManager
-    implementation("androidx.work:work-runtime-ktx:2.9.0")
-    implementation("androidx.hilt:hilt-work:1.1.0")
-    kapt("androidx.hilt:hilt-compiler:1.1.0")
-
-    // 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

@@ -1,29 +0,0 @@
-{
-  "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

@@ -1,43 +0,0 @@
-<?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.ACCESS_NETWORK_STATE" />
-    <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.ForkFirebaseMessagingService"
-            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

@@ -1,60 +0,0 @@
-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.ForkMessengerTheme
-
-@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)
-        
-        android.util.Log.d("MainActivity", "onCreate called")
-        signalrNotificationObserver.start()
-        android.util.Log.d("MainActivity", "signalrNotificationObserver.start() called")
-
-        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 {
-            ForkMessengerTheme {
-                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

@@ -1,19 +0,0 @@
-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/values-en/strings.xml

@@ -1,64 +0,0 @@
-<resources>
-    <string name="app_name">ForkMessenger</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>
-    <string name="no_messages_yet">No messages yet</string>
-</resources>