diff --git a/CORP-MAUI/App.xaml.cs b/CORP-MAUI/App.xaml.cs
index 5810e98..aa83c80 100644
--- a/CORP-MAUI/App.xaml.cs
+++ b/CORP-MAUI/App.xaml.cs
@@ -1,4 +1,4 @@
-using CORP_MAUI.Pages;
+using CORP_MAUI.Pages;
 using CORP_MAUI.Models;
 using System.Diagnostics;
 
@@ -29,7 +29,7 @@ public partial class App : Application
         
         // Создаем окно с начальной страницей загрузки
 #if ANDROID || IOS || MACCATALYST || WINDOWS
-        var loadingPage = new ContentPage 
+        ContentPage loadingPage = new ContentPage 
         { 
             Content = new VerticalStackLayout
             {
@@ -52,10 +52,10 @@ public partial class App : Application
             }
         };
         
-        var window = new Window(loadingPage);
+        Window window = new Window(loadingPage);
 #else
         // Фолбэк для платформ вне целевых (не должен использоваться в текущих TFM)
-        var window = new Window();
+        Window window = new Window();
 #endif
         
         // Асинхронно проверяем токен и определяем начальную страницу
@@ -114,7 +114,7 @@ public partial class App : Application
                 try
                 {
                     Trace.WriteLine("[App] >>> Connecting to WebSocket...");
-                    var token = ServiceProvider.ApiService.GetAccessToken();
+                    string? token = ServiceProvider.ApiService.GetAccessToken();
                     
                     if (!string.IsNullOrEmpty(token))
                     {
diff --git a/CORP-MAUI/AppShell.xaml.cs b/CORP-MAUI/AppShell.xaml.cs
index 2f5c5c3..774fccf 100644
--- a/CORP-MAUI/AppShell.xaml.cs
+++ b/CORP-MAUI/AppShell.xaml.cs
@@ -44,7 +44,7 @@ public partial class AppShell : Shell
                 await Task.Delay(100);
                 await MainThread.InvokeOnMainThreadAsync(async () =>
                 {
-                    var mainPage = Application.Current?.Windows[0]?.Page;
+                    Page? mainPage = Application.Current?.Windows[0]?.Page;
                     if (mainPage != null)
                     {
                         await mainPage.DisplayAlert("Ошибка AppShell", 
@@ -72,7 +72,7 @@ public partial class AppShell : Shell
             if (ServiceProvider.ApiService.IsAuthenticated)
             {
                 // Получаем токен для WebSocket
-                var accessToken = await SecureStorage.GetAsync("api.jwt_access");
+                string? accessToken = await SecureStorage.GetAsync("api.jwt_access");
                 
                 Trace.WriteLine($"[AppShell] Access token exists: {!string.IsNullOrEmpty(accessToken)}");
                 Trace.WriteLine($"[AppShell] WebSocket connected: {ServiceProvider.WebSocketService.IsConnected}");
diff --git a/CORP-MAUI/MauiProgram.cs b/CORP-MAUI/MauiProgram.cs
index 312f378..dcb531c 100644
--- a/CORP-MAUI/MauiProgram.cs
+++ b/CORP-MAUI/MauiProgram.cs
@@ -1,4 +1,4 @@
-using System.Diagnostics;
+using System.Diagnostics;
 using CORP_MAUI.Services;
 using CORP_MAUI.Pages;
 
@@ -8,7 +8,7 @@ public static class MauiProgram
 {
     public static MauiApp CreateMauiApp()
     {
-        var builder = MauiApp.CreateBuilder();
+        MauiAppBuilder builder = MauiApp.CreateBuilder();
         builder
             .UseMauiApp<App>()
             .ConfigureFonts(fonts =>
diff --git a/CORP-MAUI/Models/Comment.cs b/CORP-MAUI/Models/Comment.cs
index fcbefbe..7087af3 100644
--- a/CORP-MAUI/Models/Comment.cs
+++ b/CORP-MAUI/Models/Comment.cs
@@ -47,11 +47,8 @@ public class Comment
         get
         { 
             // Если CreatedAt валидный (больше 2000 года, чтоб отсечь дефолт), берем его
-            if (CreatedAt.Year > 2000) return CreatedAt;
-            // Иначе пробуем поле Date
-            if (Date.HasValue) return Date.Value;
-            // Иначе текущее время
-            return DateTime.Now;
+            DateTime d = CreatedAt.Year > 2000 ? CreatedAt : (Date ?? DateTime.Now);
+            return d.ToLocalTime();
         }
     }
     
diff --git a/CORP-MAUI/Models/Post.cs b/CORP-MAUI/Models/Post.cs
index eaedadc..19e362a 100644
--- a/CORP-MAUI/Models/Post.cs
+++ b/CORP-MAUI/Models/Post.cs
@@ -34,7 +34,7 @@ public class Post
     {
         get
         {
-            var url = !string.IsNullOrEmpty(ImageUrl) ? ImageUrl : Image;
+            string? url = !string.IsNullOrEmpty(ImageUrl) ? ImageUrl : Image;
             if (string.IsNullOrEmpty(url)) return null;
             
             // Если ссылка уже абсолютная - возвращаем как есть
@@ -42,7 +42,7 @@ public class Post
             
             // Если ссылка относительная - добавляем домен
             // Обрабатываем случай, когда url начинается со / или без
-            var cleanUrl = url.TrimStart('/');
+            string cleanUrl = url.TrimStart('/');
             return $"https://corp.robotail.pro/{cleanUrl}";
         }
     }
@@ -51,7 +51,7 @@ public class Post
     public DateTime? Date { get; set; }
 
     [JsonIgnore]
-    public DateTime DisplayDate => CreatedAt.Year > 2000 ? CreatedAt : (Date ?? DateTime.Now);
+    public DateTime DisplayDate => (CreatedAt.Year > 2000 ? CreatedAt : (Date ?? DateTime.Now)).ToLocalTime();
     
     public User? Author { get; set; }
     
diff --git a/CORP-MAUI/Pages/ChatPage.xaml.cs b/CORP-MAUI/Pages/ChatPage.xaml.cs
index 8d2b0c9..5aa8ef2 100644
--- a/CORP-MAUI/Pages/ChatPage.xaml.cs
+++ b/CORP-MAUI/Pages/ChatPage.xaml.cs
@@ -16,7 +16,7 @@ public partial class ChatPage : ContentPage
         InitializeComponent();
         
         _recipient = recipient;
-        _messages = new ObservableCollection<MessageViewModel>();
+        _messages = [];
 
         MessagesCollectionView.ItemsSource = _messages;
 
@@ -34,7 +34,7 @@ public partial class ChatPage : ContentPage
         try
         {
             // Получаем текущего пользователя
-            var user = await ServiceProvider.ApiService.GetCurrentUserAsync();
+            User? user = await ServiceProvider.ApiService.GetCurrentUserAsync();
             if (user != null)
             {
                 _currentUser = user;
@@ -63,14 +63,14 @@ public partial class ChatPage : ContentPage
 
     private async void OnSendMessageClicked(object sender, EventArgs e)
     {
-        var content = MessageEntry.Text?.Trim();
+        string? content = MessageEntry.Text?.Trim();
 
         if (string.IsNullOrEmpty(content))
             return;
 
         try
         {
-            var message = new Message
+            Message message = new Message
             {
                 SenderId = _currentUser.Id,
                 SenderName = _currentUser.FullName ?? _currentUser.Username,
@@ -162,7 +162,7 @@ public partial class ChatPage : ContentPage
         {
             _messages.Clear();
             
-            foreach (var message in history.OrderBy(m => m.Timestamp))
+            foreach (Message message in history.OrderBy(m => m.Timestamp))
             {
                 _messages.Add(new MessageViewModel
                 {
diff --git a/CORP-MAUI/Pages/LoginPage.xaml.cs b/CORP-MAUI/Pages/LoginPage.xaml.cs
index b4c6efe..d714968 100644
--- a/CORP-MAUI/Pages/LoginPage.xaml.cs
+++ b/CORP-MAUI/Pages/LoginPage.xaml.cs
@@ -1,4 +1,5 @@
 using System.Diagnostics;
+using CORP_MAUI.Models;
 
 namespace CORP_MAUI.Pages;
 
@@ -14,8 +15,8 @@ public partial class LoginPage : ContentPage
     {
         Trace.WriteLine("=== LOGIN BUTTON CLICKED ===");
         
-        var username = UsernameEntry.Text?.Trim();
-        var password = PasswordEntry.Text?.Trim();
+        string? username = UsernameEntry.Text?.Trim();
+        string? password = PasswordEntry.Text?.Trim();
 
         Trace.WriteLine($"[LoginPage] >>> Кнопка входа нажата");
         Trace.WriteLine($"[LoginPage] Username: {username}");
@@ -36,7 +37,7 @@ public partial class LoginPage : ContentPage
             Trace.WriteLine($"[LoginPage] >>> Вызываем ApiService.LoginAsync...");
             
             // Выполняем вход
-            var result = await ServiceProvider.ApiService.LoginAsync(username, password);
+            AuthResponse result = await ServiceProvider.ApiService.LoginAsync(username, password);
 
             Trace.WriteLine($"[LoginPage] <<< Получен результат логина");
             Trace.WriteLine($"[LoginPage] Success: {result.Success}");
@@ -50,7 +51,7 @@ public partial class LoginPage : ContentPage
                 try
                 {
                     // Получаем токен (из результата или напрямую из ApiService)
-                    var token = result.Token ?? ServiceProvider.ApiService.GetAccessToken();
+                    string? token = result.Token ?? ServiceProvider.ApiService.GetAccessToken();
                     
                     if (string.IsNullOrEmpty(token))
                     {
@@ -99,7 +100,7 @@ public partial class LoginPage : ContentPage
                     await MainThread.InvokeOnMainThreadAsync(() =>
                     {
                         Trace.WriteLine($"[LoginPage] >>> Создание AppShell...");
-                        var app = Application.Current;
+                        Application? app = Application.Current;
                         if (app != null && app.Windows.Count > 0)
                         {
                             app.Windows[0].Page = new AppShell();
diff --git a/CORP-MAUI/Pages/PostDetailsPage.xaml.cs b/CORP-MAUI/Pages/PostDetailsPage.xaml.cs
index 25aafea..d06ed46 100644
--- a/CORP-MAUI/Pages/PostDetailsPage.xaml.cs
+++ b/CORP-MAUI/Pages/PostDetailsPage.xaml.cs
@@ -1,4 +1,5 @@
 using System.Diagnostics;
+using CORP_MAUI.Models;
 using CORP_MAUI.ViewModels;
 
 namespace CORP_MAUI.Pages;
@@ -28,12 +29,12 @@ public partial class PostDetailsPage : ContentPage
         _viewModel.IsLoadingComments = true;
         try
         {
-            var response = await ServiceProvider.ApiService.GetCommentsPaginatedAsync(postId: _viewModel.PostViewModel.Post.Id);
+            PaginatedResponse<Comment> response = await ServiceProvider.ApiService.GetCommentsPaginatedAsync(postId: _viewModel.PostViewModel.Post.Id);
             
             _viewModel.Comments.Clear();
             if (response.Results != null)
             {
-                foreach (var comment in response.Results)
+                foreach (Comment comment in response.Results)
                 {
                     _viewModel.Comments.Add(comment);
                 }
diff --git a/CORP-MAUI/Pages/PostsPage.xaml.cs b/CORP-MAUI/Pages/PostsPage.xaml.cs
index dfd5cb1..9fd831d 100644
--- a/CORP-MAUI/Pages/PostsPage.xaml.cs
+++ b/CORP-MAUI/Pages/PostsPage.xaml.cs
@@ -1,5 +1,6 @@
 using System.Collections.ObjectModel;
 using System.Diagnostics;
+using CORP_MAUI.Models;
 using CORP_MAUI.ViewModels;
 
 namespace CORP_MAUI.Pages;
@@ -43,7 +44,7 @@ public partial class PostsPage
             LoadingIndicator.IsVisible = true;
             LoadingIndicator.IsRunning = true;
 
-            var response = await ServiceProvider.ApiService.GetPostsPaginatedAsync(_currentPage);
+            PaginatedResponse<Post> response = await ServiceProvider.ApiService.GetPostsPaginatedAsync(_currentPage);
             
             if (refresh)
             {
@@ -52,85 +53,66 @@ public partial class PostsPage
 
             if (response.Results != null)
             {
-                foreach (var post in response.Results)
+                IEnumerable<Task<PostViewModel>> tasks = response.Results.Select(async post => 
                 {
-                    Trace.WriteLine($"[PostsPage] Post {post.Id}: '{post.Title}'");
-                    Trace.WriteLine($"   CreatedAt: {post.CreatedAt}");
-                    Trace.WriteLine($"   DisplayImageUrl: {post.DisplayImageUrl}");
-                    Trace.WriteLine($"   Content length: {post.Content?.Length ?? 0}");
+                    PostViewModel vm = new PostViewModel(post);
                     
-                    var vm = new PostViewModel(post);
-                    _posts.Add(vm);
-                    
-                    // Асинхронно загружаем изображение с токеном
-                    _ = Task.Run(async () => 
+                    if (!string.IsNullOrEmpty(post.DisplayImageUrl))
                     {
-                        if (!string.IsNullOrEmpty(post.DisplayImageUrl))
+                        try 
                         {
-                            try 
+                            Uri uri = new Uri(post.DisplayImageUrl);
+                            // Sanitize filename
+                            string fileName = Path.GetFileName(uri.LocalPath); 
+                            foreach (char invalidChar in Path.GetInvalidFileNameChars())
                             {
-                                // Используем имя файла из URL как ключ кэша
-                                var uri = new Uri(post.DisplayImageUrl);
-                                var fileName = Path.GetFileName(uri.LocalPath); 
-                                // Добавляем префикс, чтобы избежать коллизий
-                                var cacheFileName = $"cache_{post.Id}_{fileName}";
-                                var cacheFilePath = Path.Combine(FileSystem.CacheDirectory, cacheFileName);
-                                
-                                // Проверяем кэш
-                                if (File.Exists(cacheFilePath))
-                                {
-                                     var fileInfo = new FileInfo(cacheFilePath);
-                                     if (fileInfo.Length > 0)
-                                     {
-                                         Trace.WriteLine($"[PostsPage] >> Image found in cache: {cacheFilePath}");
-                                         await MainThread.InvokeOnMainThreadAsync(() => 
-                                         {
-                                            vm.LocalImagePath = cacheFilePath;
-                                         });
-                                         return;
-                                     }
-                                     else 
-                                     {
-                                         // Удаляем пустой файл
-                                         File.Delete(cacheFilePath);
-                                     }
-                                }
+                                fileName = fileName.Replace(invalidChar, '_');
+                            }
 
-                                // Загружаем, если нет в кэше
-                                var bytes = await ServiceProvider.ApiService.GetImageBytesAsync(post.DisplayImageUrl);
+                            string cacheFileName = $"post_img_{post.Id}_{fileName}";
+                            string cacheFilePath = Path.Combine(FileSystem.CacheDirectory, cacheFileName);
+                            
+                            bool isCached = false;
+                            
+                            // 1. Проверяем кэш
+                            if (File.Exists(cacheFilePath))
+                            {
+                                 FileInfo fileInfo = new FileInfo(cacheFilePath);
+                                 if (fileInfo.Length > 0)
+                                 {
+                                     Trace.WriteLine($"[PostsPage] Изображение из кэша: {cacheFilePath}");
+                                     vm.LocalImagePath = cacheFilePath;
+                                     isCached = true;
+                                 }
+                            }
+
+                            // 2. Если нет в кэше - загружаем
+                            if (!isCached)
+                            {
+                                Trace.WriteLine($"[PostsPage] Загрузка изображения: {post.DisplayImageUrl}");
+                                byte[]? bytes = await ServiceProvider.ApiService.GetImageBytesAsync(post.DisplayImageUrl);
                                 if (bytes != null && bytes.Length > 0)
                                 {
-                                    Trace.WriteLine($"[PostsPage] >> Image loaded ({bytes.Length} bytes), saving to {cacheFilePath}");
-                                    
-                                    // Сразу показываем
-                                    await MainThread.InvokeOnMainThreadAsync(() => 
-                                    {
-                                        vm.AuthorizedImageSource = ImageSource.FromStream(() => new MemoryStream(bytes));
-                                    });
-
                                     await File.WriteAllBytesAsync(cacheFilePath, bytes);
-                                    
-                                    // Обновляем путь (на всякий случай, для будущего)
-                                    await MainThread.InvokeOnMainThreadAsync(() => 
-                                    {
-                                        vm.LocalImagePath = cacheFilePath;
-                                    });
+                                    Trace.WriteLine($"[PostsPage] Сохранено в кэш: {cacheFilePath}");
+                                    vm.LocalImagePath = cacheFilePath;
                                 }
-                                else
-                                {
-                                    Trace.WriteLine($"[PostsPage] >> Image failed to load for post {post.Id} (null/empty)");
-                                }
-                            }
-                            catch(Exception imgEx)
-                            {
-                                Trace.WriteLine($"[PostsPage] >> Exception loading image for post {post.Id}: {imgEx.Message}");
                             }
                         }
-                        else
+                        catch(Exception imgEx)
                         {
-                             Trace.WriteLine($"[PostsPage] >> No image URL for post {post.Id}");
+                            Trace.WriteLine($"[PostsPage] Ошибка обработки изображения для поста {post.Id}: {imgEx.Message}");
                         }
-                    });
+                    }
+                    return vm;
+                });
+
+                // Ждем загрузки всех изображений перед отображением списка
+                PostViewModel[] viewModels = await Task.WhenAll(tasks);
+
+                foreach (PostViewModel vm in viewModels)
+                {
+                    _posts.Add(vm);
                 }
             }
         }
diff --git a/CORP-MAUI/Pages/ProfilePage.xaml.cs b/CORP-MAUI/Pages/ProfilePage.xaml.cs
index cbbdc96..8608d04 100644
--- a/CORP-MAUI/Pages/ProfilePage.xaml.cs
+++ b/CORP-MAUI/Pages/ProfilePage.xaml.cs
@@ -20,7 +20,7 @@ public partial class ProfilePage : ContentPage
             LoadingIndicator.IsRunning = true;
 
             // Загружаем профиль
-            var user = await ServiceProvider.ApiService.GetCurrentUserAsync();
+            User? user = await ServiceProvider.ApiService.GetCurrentUserAsync();
 
             if (user != null)
             {
@@ -57,7 +57,7 @@ public partial class ProfilePage : ContentPage
 
     private async void OnLogoutClicked(object sender, EventArgs e)
     {
-        var result = await DisplayAlert("Выход", "Вы уверены, что хотите выйти?", "Да", "Нет");
+        bool result = await DisplayAlert("Выход", "Вы уверены, что хотите выйти?", "Да", "Нет");
 
         if (result)
         {
diff --git a/CORP-MAUI/Pages/UsersPage.xaml.cs b/CORP-MAUI/Pages/UsersPage.xaml.cs
index f3c18a9..7e9662c 100644
--- a/CORP-MAUI/Pages/UsersPage.xaml.cs
+++ b/CORP-MAUI/Pages/UsersPage.xaml.cs
@@ -45,7 +45,7 @@ public partial class UsersPage : ContentPage
             Task.Run(async () =>
             {
                 await Task.Delay(100);
-                var mainPage = Application.Current?.Windows[0]?.Page;
+                Page? mainPage = Application.Current?.Windows[0]?.Page;
                 if (mainPage != null)
                 {
                     await mainPage.DisplayAlert("Ошибка UsersPage", 
@@ -71,7 +71,7 @@ public partial class UsersPage : ContentPage
             Trace.WriteLine($"[UsersPage] >>> Получено пользователей: {_allUsers.Count}");
 
             _users.Clear();
-            foreach (var user in _allUsers.OrderBy(u => u.FullName))
+            foreach (User user in _allUsers.OrderBy(u => u.FullName))
             {
                 _users.Add(user);
             }
@@ -113,13 +113,13 @@ public partial class UsersPage : ContentPage
 
     private void OnSearchTextChanged(object sender, TextChangedEventArgs e)
     {
-        var searchText = e.NewTextValue?.ToLower() ?? string.Empty;
+        string searchText = e.NewTextValue?.ToLower() ?? string.Empty;
 
         if (string.IsNullOrWhiteSpace(searchText))
         {
             // Показываем всех пользователей
             _users.Clear();
-            foreach (var user in _allUsers.OrderBy(u => u.FullName))
+            foreach (User user in _allUsers.OrderBy(u => u.FullName))
             {
                 _users.Add(user);
             }
@@ -127,7 +127,7 @@ public partial class UsersPage : ContentPage
         else
         {
             // Фильтруем пользователей
-            var filtered = _allUsers.Where(u =>
+            List<User> filtered = _allUsers.Where(u =>
                 u.FullName.ToLower().Contains(searchText) ||
                 u.Username.ToLower().Contains(searchText) ||
                 u.DepartmentName.ToLower().Contains(searchText) ||
@@ -135,7 +135,7 @@ public partial class UsersPage : ContentPage
             ).ToList();
 
             _users.Clear();
-            foreach (var user in filtered.OrderBy(u => u.FullName))
+            foreach (User user in filtered.OrderBy(u => u.FullName))
             {
                 _users.Add(user);
             }
@@ -147,14 +147,14 @@ public partial class UsersPage : ContentPage
         // Обновляем статус пользователя в списке
         MainThread.BeginInvokeOnMainThread(() =>
         {
-            var user = _users.FirstOrDefault(u => u.Id == updatedUser.Id);
+            User? user = _users.FirstOrDefault(u => u.Id == updatedUser.Id);
             if (user != null)
             {
                 user.IsOnline = updatedUser.IsOnline;
             }
 
             // Обновляем в основном списке
-            var allUser = _allUsers?.FirstOrDefault(u => u.Id == updatedUser.Id);
+            User? allUser = _allUsers?.FirstOrDefault(u => u.Id == updatedUser.Id);
             if (allUser != null)
             {
                 allUser.IsOnline = updatedUser.IsOnline;
diff --git a/CORP-MAUI/Platforms/Tizen/Main.cs b/CORP-MAUI/Platforms/Tizen/Main.cs
index 85c41b5..92ff62c 100644
--- a/CORP-MAUI/Platforms/Tizen/Main.cs
+++ b/CORP-MAUI/Platforms/Tizen/Main.cs
@@ -10,7 +10,7 @@ class Program : MauiApplication
 
     static void Main(string[] args)
     {
-        var app = new Program();
+        Program app = new Program();
         app.Run(args);
     }
 }
\ No newline at end of file
diff --git a/CORP-MAUI/Services/ApiService.cs b/CORP-MAUI/Services/ApiService.cs
index 6c3e601..a589e92 100644
--- a/CORP-MAUI/Services/ApiService.cs
+++ b/CORP-MAUI/Services/ApiService.cs
@@ -126,9 +126,9 @@ public class ApiService : IDisposable
             Trace.WriteLine($"║   URI: {request.RequestUri}");
             Trace.WriteLine($"║   BaseAddress: {_httpClient.BaseAddress}");
             Trace.WriteLine($"║   Headers:");
-            foreach (var header in request.Headers)
+            foreach (KeyValuePair<string, IEnumerable<string>> header in request.Headers)
             {
-                var value = header.Key == "Authorization" ? "[HIDDEN]" : string.Join(", ", header.Value);
+                string value = header.Key == "Authorization" ? "[HIDDEN]" : string.Join(", ", header.Value);
                 Trace.WriteLine($"║     {header.Key}: {value}");
             }
             if (request.Content != null)
@@ -260,7 +260,7 @@ public class ApiService : IDisposable
         {
             var loginData = new { email, password };
             // Используем относительный путь, так как BaseAddress уже установлен
-            var path = _config.TokenObtainPath.TrimStart('/');
+            string path = _config.TokenObtainPath.TrimStart('/');
             
             Trace.WriteLine($"\n[ApiService] >>> Начинаем логин для {email}");
             Trace.WriteLine($"[ApiService] >>> Путь токена: {_config.TokenObtainPath} → {path}");
@@ -268,7 +268,7 @@ public class ApiService : IDisposable
             Trace.WriteLine($"[ApiService] >>> Ожидаемый URL: {_httpClient.BaseAddress}{path}\n");
             
             // 🔓 Создаем запрос БЕЗ Authorization header (это запрос для получения токена!)
-            var request = new HttpRequestMessage(HttpMethod.Post, path)
+            HttpRequestMessage request = new HttpRequestMessage(HttpMethod.Post, path)
             {
                 Content = JsonContent.Create(loginData)
             };
@@ -278,13 +278,13 @@ public class ApiService : IDisposable
             
             LogHttpDetails("LOGIN REQUEST", request, null, $"Email: {email}");
             
-            var response = await _httpClient.SendAsync(request);
+            HttpResponseMessage response = await _httpClient.SendAsync(request);
             
             LogHttpDetails("LOGIN RESPONSE", request, response);
             
             if (!response.IsSuccessStatusCode)
             {
-                var errorText = await response.Content.ReadAsStringAsync();
+                string errorText = await response.Content.ReadAsStringAsync();
                 Trace.WriteLine($"\n[ApiService] ❌ Ошибка логина:");
                 Trace.WriteLine($"  Status Code: {(int)response.StatusCode} {response.StatusCode}");
                 Trace.WriteLine($"  Request URL: {response.RequestMessage?.RequestUri}");
@@ -298,7 +298,7 @@ public class ApiService : IDisposable
             }
 
             // Проверяем Content-Type
-            var contentType = response.Content.Headers.ContentType?.MediaType ?? "";
+            string contentType = response.Content.Headers.ContentType?.MediaType ?? "";
             if (!contentType.Contains("application/json"))
             {
                 Trace.WriteLine($"[ApiService] ❌ Неверный Content-Type: {contentType}");
@@ -311,10 +311,10 @@ public class ApiService : IDisposable
 
             try
             {
-                var responseBody = await response.Content.ReadAsStringAsync();
+                string responseBody = await response.Content.ReadAsStringAsync();
                 Trace.WriteLine($"\n[ApiService] Response Body: {responseBody}\n");
                 
-                var tokenData = JsonSerializer.Deserialize<TokenResponse>(responseBody, new JsonSerializerOptions
+                TokenResponse? tokenData = JsonSerializer.Deserialize<TokenResponse>(responseBody, new JsonSerializerOptions
                 {
                     PropertyNameCaseInsensitive = true
                 });
@@ -338,7 +338,7 @@ public class ApiService : IDisposable
 
                 // Получаем информацию о пользователе
                 Trace.WriteLine($"[ApiService] >>> Получаем информацию о пользователе...\n");
-                var user = await GetCurrentUserAsync();
+                User? user = await GetCurrentUserAsync();
 
                 if (user != null)
                 {
@@ -409,7 +409,7 @@ public class ApiService : IDisposable
             Trace.WriteLine("╠════════════════════════════════════════════════════════════════════════════════════");
             
             // Используем относительный путь, так как BaseAddress уже установлен
-            var path = _config.TokenRefreshPath.TrimStart('/');
+            string path = _config.TokenRefreshPath.TrimStart('/');
             var refreshData = new { refresh = _refreshToken };
             
             Trace.WriteLine($"║ Request Path: {path}");
@@ -418,21 +418,21 @@ public class ApiService : IDisposable
             Trace.WriteLine("╚════════════════════════════════════════════════════════════════════════════════════");
             
             // Создаем запрос БЕЗ авторизации (для refresh используется только refresh токен в теле)
-            var request = new HttpRequestMessage(HttpMethod.Post, path)
+            HttpRequestMessage request = new HttpRequestMessage(HttpMethod.Post, path)
             {
                 Content = JsonContent.Create(refreshData)
             };
             
-            var response = await _httpClient.SendAsync(request);
+            HttpResponseMessage response = await _httpClient.SendAsync(request);
             
             Trace.WriteLine($"\n[ApiService] Refresh response: {(int)response.StatusCode} {response.StatusCode}");
             
             if (response.IsSuccessStatusCode)
             {
-                var responseText = await response.Content.ReadAsStringAsync();
+                string responseText = await response.Content.ReadAsStringAsync();
                 Trace.WriteLine($"[ApiService] Response body: {responseText}");
                 
-                var tokenData = JsonSerializer.Deserialize<TokenResponse>(responseText, new JsonSerializerOptions
+                TokenResponse? tokenData = JsonSerializer.Deserialize<TokenResponse>(responseText, new JsonSerializerOptions
                 {
                     PropertyNameCaseInsensitive = true
                 });
@@ -480,7 +480,7 @@ public class ApiService : IDisposable
             }
             else
             {
-                var errorText = await response.Content.ReadAsStringAsync();
+                string errorText = await response.Content.ReadAsStringAsync();
                 Trace.WriteLine($"[ApiService] ❌ Refresh failed: {response.StatusCode}");
                 Trace.WriteLine($"  Error: {errorText}");
             }
@@ -526,17 +526,17 @@ public class ApiService : IDisposable
             }
 
             // Используем относительный путь, так как BaseAddress установлен
-            var relativePath = path.TrimStart('/');
+            string relativePath = path.TrimStart('/');
             
             // Добавляем query параметры
             if (queryParams != null && queryParams.Any())
             {
-                var query = string.Join("&", queryParams.Select(kvp => 
+                string query = string.Join("&", queryParams.Select(kvp => 
                     $"{Uri.EscapeDataString(kvp.Key)}={Uri.EscapeDataString(kvp.Value)}"));
                 relativePath = $"{relativePath}?{query}";
             }
 
-            var request = new HttpRequestMessage(method, relativePath);
+            HttpRequestMessage request = new HttpRequestMessage(method, relativePath);
 
             // 🔑 АВТОМАТИЧЕСКИ добавляем Authorization header если есть токен
             if (requiresAuth && !string.IsNullOrEmpty(_accessToken))
@@ -548,7 +548,7 @@ public class ApiService : IDisposable
             // Добавляем дополнительные заголовки
             if (headers != null)
             {
-                foreach (var header in headers)
+                foreach (KeyValuePair<string, string> header in headers)
                 {
                     request.Headers.TryAddWithoutValidation(header.Key, header.Value);
                 }
@@ -570,7 +570,7 @@ public class ApiService : IDisposable
                 Trace.WriteLine($"  Has Body: Yes");
             }
 
-            var response = await _httpClient.SendAsync(request);
+            HttpResponseMessage response = await _httpClient.SendAsync(request);
 
             Trace.WriteLine($"[ApiService] <<< Response: {(int)response.StatusCode} {response.StatusCode}");
             Trace.WriteLine($"  Content-Type: {response.Content.Headers.ContentType?.MediaType ?? "N/A"}\n");
@@ -600,7 +600,7 @@ public class ApiService : IDisposable
                 }
             }
 
-            var responseText = await response.Content.ReadAsStringAsync();
+            string responseText = await response.Content.ReadAsStringAsync();
 
             if (!response.IsSuccessStatusCode)
             {
@@ -713,12 +713,12 @@ public class ApiService : IDisposable
     {
         try
         {
-            var queryParams = new Dictionary<string, string>();
+            Dictionary<string, string> queryParams = new Dictionary<string, string>();
             if (page.HasValue) queryParams["page"] = page.Value.ToString();
             if (pageSize.HasValue) queryParams["page_size"] = pageSize.Value.ToString();
             if (!string.IsNullOrEmpty(search)) queryParams["search"] = search;
 
-            var response = await GetAsync<PaginatedResponse<User>>("api/v1/employees/", queryParams);
+            ApiResponse<PaginatedResponse<User>> response = await GetAsync<PaginatedResponse<User>>("api/v1/employees/", queryParams);
             return response.Ok && response.Data != null ? response.Data : new PaginatedResponse<User>();
         }
         catch (Exception ex)
@@ -735,7 +735,7 @@ public class ApiService : IDisposable
     {
         try
         {
-            var allEmployees = new List<User>();
+            List<User> allEmployees = new();
             int currentPage = 1;
             PaginatedResponse<User>? response;
 
@@ -765,7 +765,7 @@ public class ApiService : IDisposable
     {
         try
         {
-            var response = await GetAsync<User>("api/v1/employees/me/");
+            ApiResponse<User> response = await GetAsync<User>("api/v1/employees/me/");
             return response.Ok ? response.Data : null;
         }
         catch (Exception ex)
@@ -782,7 +782,7 @@ public class ApiService : IDisposable
     {
         try
         {
-            var response = await GetAsync<User>($"api/v1/employees/{id}/");
+            ApiResponse<User> response = await GetAsync<User>($"api/v1/employees/{id}/");
             return response.Ok ? response.Data : null;
         }
         catch (Exception ex)
@@ -803,11 +803,11 @@ public class ApiService : IDisposable
     {
         try
         {
-            var queryParams = new Dictionary<string, string>();
+            Dictionary<string, string> queryParams = new Dictionary<string, string>();
             if (page.HasValue) queryParams["page"] = page.Value.ToString();
             if (pageSize.HasValue) queryParams["page_size"] = pageSize.Value.ToString();
 
-            var response = await GetAsync<PaginatedResponse<Department>>("api/v1/departments/", queryParams);
+            ApiResponse<PaginatedResponse<Department>> response = await GetAsync<PaginatedResponse<Department>>("api/v1/departments/", queryParams);
             return response.Ok && response.Data != null ? response.Data : new PaginatedResponse<Department>();
         }
         catch (Exception ex)
@@ -824,7 +824,7 @@ public class ApiService : IDisposable
     {
         try
         {
-            var allDepartments = new List<Department>();
+            List<Department> allDepartments = new List<Department>();
             int currentPage = 1;
             PaginatedResponse<Department>? response;
 
@@ -858,7 +858,7 @@ public class ApiService : IDisposable
     {
         try
         {
-            var response = await GetAsync<List<Position>>("api/v1/positions/");
+            ApiResponse<List<Position>> response = await GetAsync<List<Position>>("api/v1/positions/");
             return response.Ok && response.Data != null ? response.Data : new List<Position>();
         }
         catch (Exception ex)
@@ -879,7 +879,7 @@ public class ApiService : IDisposable
     {
         try
         {
-            var response = await GetAsync<List<Skill>>("api/v1/skills/");
+            ApiResponse<List<Skill>> response = await GetAsync<List<Skill>>("api/v1/skills/");
             return response.Ok && response.Data != null ? response.Data : new List<Skill>();
         }
         catch (Exception ex)
@@ -900,7 +900,7 @@ public class ApiService : IDisposable
     {
         try
         {
-            var response = await GetAsync<List<CalendarEvent>>("api/v1/calendar/events/");
+            ApiResponse<List<CalendarEvent>> response = await GetAsync<List<CalendarEvent>>("api/v1/calendar/events/");
             return response.Ok && response.Data != null ? response.Data : new List<CalendarEvent>();
         }
         catch (Exception ex)
@@ -921,11 +921,11 @@ public class ApiService : IDisposable
     {
         try
         {
-            var queryParams = new Dictionary<string, string>();
+            Dictionary<string, string> queryParams = new Dictionary<string, string>();
             if (page.HasValue) queryParams["page"] = page.Value.ToString();
             if (pageSize.HasValue) queryParams["page_size"] = pageSize.Value.ToString();
 
-            var response = await GetAsync<PaginatedResponse<Document>>("api/v1/documents/", queryParams);
+            ApiResponse<PaginatedResponse<Document>> response = await GetAsync<PaginatedResponse<Document>>("api/v1/documents/", queryParams);
             return response.Ok && response.Data != null ? response.Data : new PaginatedResponse<Document>();
         }
         catch (Exception ex)
@@ -946,11 +946,11 @@ public class ApiService : IDisposable
     {
         try
         {
-            var queryParams = new Dictionary<string, string>();
+            Dictionary<string, string> queryParams = new Dictionary<string, string>();
             if (page.HasValue) queryParams["page"] = page.Value.ToString();
             if (pageSize.HasValue) queryParams["page_size"] = pageSize.Value.ToString();
 
-            var response = await GetAsync<PaginatedResponse<Request>>("api/v1/requests/", queryParams);
+            ApiResponse<PaginatedResponse<Request>> response = await GetAsync<PaginatedResponse<Request>>("api/v1/requests/", queryParams);
             return response.Ok && response.Data != null ? response.Data : new PaginatedResponse<Request>();
         }
         catch (Exception ex)
@@ -971,7 +971,7 @@ public class ApiService : IDisposable
     {
         try
         {
-            var response = await GetAsync<List<EmployeeAction>>("api/v1/employee-actions/");
+            ApiResponse<List<EmployeeAction>> response = await GetAsync<List<EmployeeAction>>("api/v1/employee-actions/");
             return response.Ok && response.Data != null ? response.Data : new List<EmployeeAction>();
         }
         catch (Exception ex)
@@ -992,11 +992,11 @@ public class ApiService : IDisposable
     {
         try
         {
-            var queryParams = new Dictionary<string, string>();
+            Dictionary<string, string> queryParams = new Dictionary<string, string>();
             if (page.HasValue) queryParams["page"] = page.Value.ToString();
             if (pageSize.HasValue) queryParams["page_size"] = pageSize.Value.ToString();
 
-            var response = await GetAsync<PaginatedResponse<Post>>("api/v1/posts/", queryParams);
+            ApiResponse<PaginatedResponse<Post>> response = await GetAsync<PaginatedResponse<Post>>("api/v1/posts/", queryParams);
             return response.Ok && response.Data != null ? response.Data : new PaginatedResponse<Post>();
         }
         catch (Exception ex)
@@ -1017,12 +1017,12 @@ public class ApiService : IDisposable
     {
         try
         {
-            var queryParams = new Dictionary<string, string>();
+            Dictionary<string, string> queryParams = new Dictionary<string, string>();
             if (page.HasValue) queryParams["page"] = page.Value.ToString();
             if (pageSize.HasValue) queryParams["page_size"] = pageSize.Value.ToString();
             if (postId.HasValue) queryParams["post"] = postId.Value.ToString();
 
-            var response = await GetAsync<PaginatedResponse<Comment>>("api/v1/comments/", queryParams);
+            ApiResponse<PaginatedResponse<Comment>> response = await GetAsync<PaginatedResponse<Comment>>("api/v1/comments/", queryParams);
             return response.Ok && response.Data != null ? response.Data : new PaginatedResponse<Comment>();
         }
         catch (Exception ex)
@@ -1043,11 +1043,11 @@ public class ApiService : IDisposable
     {
         try
         {
-            var queryParams = new Dictionary<string, string>();
+            Dictionary<string, string> queryParams = new Dictionary<string, string>();
             if (page.HasValue) queryParams["page"] = page.Value.ToString();
             if (pageSize.HasValue) queryParams["page_size"] = pageSize.Value.ToString();
 
-            var response = await GetAsync<PaginatedResponse<DepartmentRole>>("api/v1/department-roles/", queryParams);
+            ApiResponse<PaginatedResponse<DepartmentRole>> response = await GetAsync<PaginatedResponse<DepartmentRole>>("api/v1/department-roles/", queryParams);
             return response.Ok && response.Data != null ? response.Data : new PaginatedResponse<DepartmentRole>();
         }
         catch (Exception ex)
@@ -1078,7 +1078,7 @@ public class ApiService : IDisposable
                 ? $"api/v1/messages/?user_id={userId.Value}" 
                 : "api/v1/messages/";
                 
-            var response = await GetAsync<List<Message>>(path);
+            ApiResponse<List<Message>> response = await GetAsync<List<Message>>(path);
             return response.Ok && response.Data != null ? response.Data : new List<Message>();
         }
         catch (Exception ex)
@@ -1095,7 +1095,7 @@ public class ApiService : IDisposable
     {
         try
         {
-            var response = await PostAsync<Message>("api/v1/messages/", message);
+            ApiResponse<Message> response = await PostAsync<Message>("api/v1/messages/", message);
             return response.Ok;
         }
         catch (Exception ex)
@@ -1112,8 +1112,8 @@ public class ApiService : IDisposable
     {
         try
         {
-            var queryParams = new Dictionary<string, string> { { "q", query } };
-            var response = await GetAsync<List<User>>("api/v1/users/search/", queryParams);
+            Dictionary<string, string> queryParams = new() { { "q", query } };
+            ApiResponse<List<User>> response = await GetAsync<List<User>>("api/v1/users/search/", queryParams);
             return response.Ok && response.Data != null ? response.Data : new List<User>();
         }
         catch (Exception ex)
@@ -1130,7 +1130,7 @@ public class ApiService : IDisposable
     {
         try
         {
-            var response = await PutAsync<object>("api/v1/users/status/", new { isOnline });
+            ApiResponse<object> response = await PutAsync<object>("api/v1/users/status/", new { isOnline });
             return response.Ok;
         }
         catch (Exception ex)
@@ -1158,23 +1158,23 @@ public class ApiService : IDisposable
             await EnsureTokensLoadedAsync();
             
             // Добавляем токен, если есть
-            var request = new HttpRequestMessage(HttpMethod.Get, url);
+            HttpRequestMessage request = new HttpRequestMessage(HttpMethod.Get, url);
             if (!string.IsNullOrEmpty(_accessToken))
             {
                 request.Headers.Authorization = new AuthenticationHeaderValue("Bearer", _accessToken);
             }
 
-            var response = await _httpClient.SendAsync(request);
+            HttpResponseMessage response = await _httpClient.SendAsync(request);
             if (response.IsSuccessStatusCode)
             {
-                var mediaType = response.Content.Headers.ContentType?.MediaType;
+                string? mediaType = response.Content.Headers.ContentType?.MediaType;
                 if (mediaType != null && !mediaType.StartsWith("image/"))
                 {
                     Trace.WriteLine($"[ApiService] ⚠️ URL {url} вернул не изображение, а {mediaType}");
                     return null;
                 }
                 
-                var bytes = await response.Content.ReadAsByteArrayAsync();
+                byte[] bytes = await response.Content.ReadAsByteArrayAsync();
                 Trace.WriteLine($"[ApiService] ✅ Загружено изображение {url} ({bytes.Length} bytes)");
                 return bytes;
             }
diff --git a/CORP-MAUI/Services/WebSocketService.cs b/CORP-MAUI/Services/WebSocketService.cs
index 7b37d2a..9bbfc18 100644
--- a/CORP-MAUI/Services/WebSocketService.cs
+++ b/CORP-MAUI/Services/WebSocketService.cs
@@ -54,7 +54,7 @@ public class WebSocketService
         // Пробуем подключиться к разным URL по очереди
         Exception? lastException = null;
         
-        foreach (var url in WebSocketUrls)
+        foreach (string url in WebSocketUrls)
         {
             try
             {
@@ -71,7 +71,7 @@ public class WebSocketService
                 
                 _cancellationTokenSource = new CancellationTokenSource();
 
-                var uri = new Uri(url);
+                Uri uri = new Uri(url);
                 Trace.WriteLine($"[WebSocket] Connecting to: {uri}");
                 await _webSocket.ConnectAsync(uri, _cancellationTokenSource.Token);
 
@@ -167,14 +167,14 @@ public class WebSocketService
 
         try
         {
-            var json = JsonConvert.SerializeObject(new
+            string json = JsonConvert.SerializeObject(new
             {
                 type = "message",
                 data = message
             });
 
-            var bytes = Encoding.UTF8.GetBytes(json);
-            var buffer = new ArraySegment<byte>(bytes);
+            byte[] bytes = Encoding.UTF8.GetBytes(json);
+            ArraySegment<byte> buffer = new ArraySegment<byte>(bytes);
 
             await _webSocket.SendAsync(buffer, WebSocketMessageType.Text, true, _cancellationTokenSource.Token);
         }
@@ -194,14 +194,14 @@ public class WebSocketService
 
         try
         {
-            var json = JsonConvert.SerializeObject(new
+            string json = JsonConvert.SerializeObject(new
             {
                 type = "typing",
                 data = new { recipientId, isTyping }
             });
 
-            var bytes = Encoding.UTF8.GetBytes(json);
-            var buffer = new ArraySegment<byte>(bytes);
+            byte[] bytes = Encoding.UTF8.GetBytes(json);
+            ArraySegment<byte> buffer = new ArraySegment<byte>(bytes);
 
             await _webSocket.SendAsync(buffer, WebSocketMessageType.Text, true, _cancellationTokenSource.Token);
         }
@@ -221,14 +221,14 @@ public class WebSocketService
 
         try
         {
-            var json = JsonConvert.SerializeObject(new
+            string json = JsonConvert.SerializeObject(new
             {
                 type = "get_history",
                 data = new { userId }
             });
 
-            var bytes = Encoding.UTF8.GetBytes(json);
-            var buffer = new ArraySegment<byte>(bytes);
+            byte[] bytes = Encoding.UTF8.GetBytes(json);
+            ArraySegment<byte> buffer = new ArraySegment<byte>(bytes);
 
             await _webSocket.SendAsync(buffer, WebSocketMessageType.Text, true, _cancellationTokenSource.Token);
             Trace.WriteLine($"[WebSocket] Запрошена история сообщений с пользователем {userId}");
@@ -241,13 +241,13 @@ public class WebSocketService
 
     private async Task ReceiveMessagesAsync()
     {
-        var buffer = new byte[8192];
+        byte[] buffer = new byte[8192];
 
         try
         {
             while (_webSocket?.State == WebSocketState.Open && _cancellationTokenSource is { Token.IsCancellationRequested: false })
             {
-                var result = await _webSocket.ReceiveAsync(
+                WebSocketReceiveResult result = await _webSocket.ReceiveAsync(
                     new ArraySegment<byte>(buffer), 
                     _cancellationTokenSource.Token);
 
@@ -263,7 +263,7 @@ public class WebSocketService
                     break;
                 }
 
-                var json = Encoding.UTF8.GetString(buffer, 0, result.Count);
+                string json = Encoding.UTF8.GetString(buffer, 0, result.Count);
                 await ProcessMessageAsync(json);
             }
         }
@@ -283,7 +283,7 @@ public class WebSocketService
     {
         try
         {
-            var wrapper = JsonConvert.DeserializeObject<WebSocketMessage>(json);
+            WebSocketMessage? wrapper = JsonConvert.DeserializeObject<WebSocketMessage>(json);
 
             await MainThread.InvokeOnMainThreadAsync(() =>
             {
@@ -295,12 +295,12 @@ public class WebSocketService
                         break;
 
                     case "message_history":
-                        var history = JsonConvert.DeserializeObject<List<Message>>(wrapper.Data.ToString() ?? string.Empty);
+                        List<Message>? history = JsonConvert.DeserializeObject<List<Message>>(wrapper.Data.ToString() ?? string.Empty);
                         if (history != null) MessageHistoryReceived?.Invoke(this, history);
                         break;
 
                     case "user_status":
-                        var user = JsonConvert.DeserializeObject<User>(wrapper.Data.ToString() ?? string.Empty);
+                        User? user = JsonConvert.DeserializeObject<User>(wrapper.Data.ToString() ?? string.Empty);
                         if (user != null) UserStatusChanged?.Invoke(this, user);
                         break;