diff --git a/CLAUDE.md b/CLAUDE.md
index 49b2cfc..eb0c11b 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -7,7 +7,10 @@
 **PnvPanel** — self-service портал для VPN-конфигураций (VLESS/VMess/Trojan/Shadowsocks): пользователи
 сами создают конфиги, админ управляет серверами и пользователями. Есть **Telegram-бот** (ссылка на
 сайт, просмотр конфигов, passwordless-вход). Бэкенд оркестрирует панели **3x-ui** через
-[`ThreeXui.Net`](https://github.com/mrleo1nid/ThreeXui.Net) и хранит проекцию домена в PostgreSQL.
+[`ThreeXui.Net`](https://github.com/mrleo1nid/ThreeXui.Net), CQRS — через собственную библиотеку
+[`LiteCqrs.Net`](https://github.com/mrleo1nid/LiteCqrs.Net) (на время разработки подключена как
+`ProjectReference` из соседнего репозитория `D:\Github\LiteCqrs.Net`, ещё не опубликована в
+NuGet/GitHub), и хранит проекцию домена в PostgreSQL.
 Живые обновления — SignalR. Поставка — **единый Docker-образ** (фронт+бек+бот) + PostgreSQL в compose.
 
 > Собрано и покрыто тестами, единый образ и compose-стек проверены живьём. Есть опциональный биллинг
@@ -25,8 +28,10 @@
 
 ## Стек
 
-- **Backend**: C# / .NET 10, ASP.NET Core Web API, Clean Architecture, CQRS (**собственный тонкий
-  диспетчер**, без MediatR), EF Core 10 + Npgsql, ASP.NET Core Identity + JWT, SignalR, FluentValidation,
+- **Backend**: C# / .NET 10, ASP.NET Core Web API, Clean Architecture, CQRS (через
+  [`LiteCqrs.Net`](https://github.com/mrleo1nid/LiteCqrs.Net) — собственная лёгкая
+  CQRS-библиотека, альтернатива MediatR с явным разделением Command/Query), EF Core 10 + Npgsql,
+  ASP.NET Core Identity + JWT, SignalR, FluentValidation,
   Serilog. Маппинг DTO вручную (`FromDomain(...)`, без Mapster). OpenAPI — нативный
   `Microsoft.AspNetCore.OpenApi` + Scalar UI (без Swashbuckle).
 - **Frontend**: React 19 + Vite + TS, TanStack Query/Router, shadcn-стиль поверх Radix + Tailwind v4,
@@ -174,8 +179,8 @@ docker compose up -d        # api + postgres (+ web)
 
 ## Ключевые решения
 
-См. [tech-stack.md](docs/tech-stack.md#ключевые-решения-по-домену-и-поведению): CQRS — собственный
-диспетчер (не MediatR); одна роль на пользователя; секреты нод — ASP.NET Data Protection; биллинг
+См. [tech-stack.md](docs/tech-stack.md#ключевые-решения-по-домену-и-поведению): CQRS — через
+LiteCqrs.Net (собственная библиотека, не MediatR); одна роль на пользователя; секреты нод — ASP.NET Data Protection; биллинг
 опционален per-роль (недоступен для `admin`); i18n — RU+EN (react-i18next); Telegram — long polling,
 только привязка (не signup); история трафика — простая таблица + TTL; логирование — Serilog.
 
diff --git a/backend/Directory.Packages.props b/backend/Directory.Packages.props
index fd06edf..b8743db 100644
--- a/backend/Directory.Packages.props
+++ b/backend/Directory.Packages.props
@@ -29,6 +29,7 @@
     <PackageVersion Include="System.IdentityModel.Tokens.Jwt" Version="8.21.0" />
     <PackageVersion Include="Telegram.Bot" Version="22.10.2" />
     <PackageVersion Include="ThreeXui.Net" Version="1.0.4" />
+    <PackageVersion Include="LiteCqrs.Net" Version="1.0.1" />
     <!-- Тестирование (M8) -->
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.8.1" />
     <PackageVersion Include="xunit" Version="2.9.3" />
diff --git a/backend/src/PnvPanel.Api/Endpoints/ActivationEndpoints.cs b/backend/src/PnvPanel.Api/Endpoints/ActivationEndpoints.cs
index 01a6c80..057ad00 100644
--- a/backend/src/PnvPanel.Api/Endpoints/ActivationEndpoints.cs
+++ b/backend/src/PnvPanel.Api/Endpoints/ActivationEndpoints.cs
@@ -1,7 +1,7 @@
 using PnvPanel.Api.Common;
 using PnvPanel.Application.Activation;
 using PnvPanel.Application.Admin.Activation;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Activation;
 using PnvPanel.Infrastructure.Identity;
diff --git a/backend/src/PnvPanel.Api/Endpoints/AdminAppEndpoints.cs b/backend/src/PnvPanel.Api/Endpoints/AdminAppEndpoints.cs
index 04efb93..a0f0ef3 100644
--- a/backend/src/PnvPanel.Api/Endpoints/AdminAppEndpoints.cs
+++ b/backend/src/PnvPanel.Api/Endpoints/AdminAppEndpoints.cs
@@ -1,6 +1,6 @@
 using PnvPanel.Api.Common;
 using PnvPanel.Application.Admin.Apps;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Domain.Apps;
 using PnvPanel.Infrastructure.Identity;
 
diff --git a/backend/src/PnvPanel.Api/Endpoints/AdminBillingEndpoints.cs b/backend/src/PnvPanel.Api/Endpoints/AdminBillingEndpoints.cs
index 20dc00f..7e4b019 100644
--- a/backend/src/PnvPanel.Api/Endpoints/AdminBillingEndpoints.cs
+++ b/backend/src/PnvPanel.Api/Endpoints/AdminBillingEndpoints.cs
@@ -1,6 +1,6 @@
 using PnvPanel.Api.Common;
 using PnvPanel.Application.Admin.Billing;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Billing;
 using PnvPanel.Infrastructure.Identity;
diff --git a/backend/src/PnvPanel.Api/Endpoints/AdminInstructionEndpoints.cs b/backend/src/PnvPanel.Api/Endpoints/AdminInstructionEndpoints.cs
index 9e4ba4a..862e169 100644
--- a/backend/src/PnvPanel.Api/Endpoints/AdminInstructionEndpoints.cs
+++ b/backend/src/PnvPanel.Api/Endpoints/AdminInstructionEndpoints.cs
@@ -1,6 +1,6 @@
 using PnvPanel.Api.Common;
 using PnvPanel.Application.Admin.Instructions;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Instructions;
 using PnvPanel.Infrastructure.Identity;
 
diff --git a/backend/src/PnvPanel.Api/Endpoints/AdminMaintenanceEndpoints.cs b/backend/src/PnvPanel.Api/Endpoints/AdminMaintenanceEndpoints.cs
index c9e09aa..efa67cb 100644
--- a/backend/src/PnvPanel.Api/Endpoints/AdminMaintenanceEndpoints.cs
+++ b/backend/src/PnvPanel.Api/Endpoints/AdminMaintenanceEndpoints.cs
@@ -1,6 +1,6 @@
 using PnvPanel.Api.Common;
 using PnvPanel.Application.Admin.Maintenance;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Infrastructure.Identity;
 
diff --git a/backend/src/PnvPanel.Api/Endpoints/AdminNewsEndpoints.cs b/backend/src/PnvPanel.Api/Endpoints/AdminNewsEndpoints.cs
index eb49554..420a939 100644
--- a/backend/src/PnvPanel.Api/Endpoints/AdminNewsEndpoints.cs
+++ b/backend/src/PnvPanel.Api/Endpoints/AdminNewsEndpoints.cs
@@ -1,6 +1,6 @@
 using PnvPanel.Api.Common;
 using PnvPanel.Application.Admin.News;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Application.News;
 using PnvPanel.Infrastructure.Identity;
diff --git a/backend/src/PnvPanel.Api/Endpoints/AdminPlanEndpoints.cs b/backend/src/PnvPanel.Api/Endpoints/AdminPlanEndpoints.cs
index 36346e5..3c4426d 100644
--- a/backend/src/PnvPanel.Api/Endpoints/AdminPlanEndpoints.cs
+++ b/backend/src/PnvPanel.Api/Endpoints/AdminPlanEndpoints.cs
@@ -1,6 +1,6 @@
 using PnvPanel.Api.Common;
 using PnvPanel.Application.Admin.Plans;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Infrastructure.Identity;
 
 namespace PnvPanel.Api.Endpoints;
diff --git a/backend/src/PnvPanel.Api/Endpoints/AdminPricingEndpoints.cs b/backend/src/PnvPanel.Api/Endpoints/AdminPricingEndpoints.cs
index 6f71523..1f252da 100644
--- a/backend/src/PnvPanel.Api/Endpoints/AdminPricingEndpoints.cs
+++ b/backend/src/PnvPanel.Api/Endpoints/AdminPricingEndpoints.cs
@@ -1,7 +1,7 @@
 using PnvPanel.Api.Common;
 using PnvPanel.Application.Admin.Pricing;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Infrastructure.Identity;
 
 namespace PnvPanel.Api.Endpoints;
diff --git a/backend/src/PnvPanel.Api/Endpoints/AdminStatsEndpoints.cs b/backend/src/PnvPanel.Api/Endpoints/AdminStatsEndpoints.cs
index 3114758..21c11d5 100644
--- a/backend/src/PnvPanel.Api/Endpoints/AdminStatsEndpoints.cs
+++ b/backend/src/PnvPanel.Api/Endpoints/AdminStatsEndpoints.cs
@@ -1,7 +1,7 @@
 using PnvPanel.Api.Common;
 using PnvPanel.Application.Admin.Audit;
 using PnvPanel.Application.Admin.Stats;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Audit;
 using PnvPanel.Infrastructure.Identity;
diff --git a/backend/src/PnvPanel.Api/Endpoints/AdminSupportEndpoints.cs b/backend/src/PnvPanel.Api/Endpoints/AdminSupportEndpoints.cs
index 18d3588..66d178d 100644
--- a/backend/src/PnvPanel.Api/Endpoints/AdminSupportEndpoints.cs
+++ b/backend/src/PnvPanel.Api/Endpoints/AdminSupportEndpoints.cs
@@ -1,7 +1,7 @@
 using Microsoft.AspNetCore.Mvc;
 using PnvPanel.Api.Common;
 using PnvPanel.Application.Admin.Support;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Application.Support;
 using PnvPanel.Application.Support.AddComment;
diff --git a/backend/src/PnvPanel.Api/Endpoints/AdminUserEndpoints.cs b/backend/src/PnvPanel.Api/Endpoints/AdminUserEndpoints.cs
index e7eb9b5..cdb425d 100644
--- a/backend/src/PnvPanel.Api/Endpoints/AdminUserEndpoints.cs
+++ b/backend/src/PnvPanel.Api/Endpoints/AdminUserEndpoints.cs
@@ -2,7 +2,7 @@ using PnvPanel.Api.Common;
 using PnvPanel.Application.Admin.Configs;
 using PnvPanel.Application.Admin.Users;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Application.Configs;
 using PnvPanel.Domain.Configs;
diff --git a/backend/src/PnvPanel.Api/Endpoints/AppEndpoints.cs b/backend/src/PnvPanel.Api/Endpoints/AppEndpoints.cs
index 8ffcaeb..38259c2 100644
--- a/backend/src/PnvPanel.Api/Endpoints/AppEndpoints.cs
+++ b/backend/src/PnvPanel.Api/Endpoints/AppEndpoints.cs
@@ -1,6 +1,6 @@
 using PnvPanel.Api.Common;
 using PnvPanel.Application.Apps;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Domain.Apps;
 
 namespace PnvPanel.Api.Endpoints;
diff --git a/backend/src/PnvPanel.Api/Endpoints/AuthEndpoints.cs b/backend/src/PnvPanel.Api/Endpoints/AuthEndpoints.cs
index 2a8f053..8b2cd65 100644
--- a/backend/src/PnvPanel.Api/Endpoints/AuthEndpoints.cs
+++ b/backend/src/PnvPanel.Api/Endpoints/AuthEndpoints.cs
@@ -8,7 +8,7 @@ using PnvPanel.Application.Auth.Logout;
 using PnvPanel.Application.Auth.Me;
 using PnvPanel.Application.Auth.Refresh;
 using PnvPanel.Application.Auth.Register;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 
 namespace PnvPanel.Api.Endpoints;
 
diff --git a/backend/src/PnvPanel.Api/Endpoints/BillingEndpoints.cs b/backend/src/PnvPanel.Api/Endpoints/BillingEndpoints.cs
index 814c6e5..b0f63f8 100644
--- a/backend/src/PnvPanel.Api/Endpoints/BillingEndpoints.cs
+++ b/backend/src/PnvPanel.Api/Endpoints/BillingEndpoints.cs
@@ -5,7 +5,7 @@ using PnvPanel.Application.Billing.CreatePaymentRequest;
 using PnvPanel.Application.Billing.GetMyBillingStatus;
 using PnvPanel.Application.Billing.MarkPaymentSent;
 using PnvPanel.Application.Billing.SendRequisitesToTelegram;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Domain.Billing;
 
 namespace PnvPanel.Api.Endpoints;
diff --git a/backend/src/PnvPanel.Api/Endpoints/ConfigEndpoints.cs b/backend/src/PnvPanel.Api/Endpoints/ConfigEndpoints.cs
index 89f6ebe..6eee2e6 100644
--- a/backend/src/PnvPanel.Api/Endpoints/ConfigEndpoints.cs
+++ b/backend/src/PnvPanel.Api/Endpoints/ConfigEndpoints.cs
@@ -1,5 +1,5 @@
 using PnvPanel.Api.Common;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Configs;
 using PnvPanel.Application.Configs.Create;
 using PnvPanel.Application.Configs.Edit;
diff --git a/backend/src/PnvPanel.Api/Endpoints/InboundEndpoints.cs b/backend/src/PnvPanel.Api/Endpoints/InboundEndpoints.cs
index 108d19d..5850e1c 100644
--- a/backend/src/PnvPanel.Api/Endpoints/InboundEndpoints.cs
+++ b/backend/src/PnvPanel.Api/Endpoints/InboundEndpoints.cs
@@ -1,6 +1,6 @@
 using PnvPanel.Api.Common;
 using PnvPanel.Application.Admin.Inbounds;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Infrastructure.Identity;
 
 namespace PnvPanel.Api.Endpoints;
diff --git a/backend/src/PnvPanel.Api/Endpoints/InstructionEndpoints.cs b/backend/src/PnvPanel.Api/Endpoints/InstructionEndpoints.cs
index 77c0462..41d69f7 100644
--- a/backend/src/PnvPanel.Api/Endpoints/InstructionEndpoints.cs
+++ b/backend/src/PnvPanel.Api/Endpoints/InstructionEndpoints.cs
@@ -1,5 +1,5 @@
 using PnvPanel.Api.Common;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Instructions;
 
 namespace PnvPanel.Api.Endpoints;
diff --git a/backend/src/PnvPanel.Api/Endpoints/NewsEndpoints.cs b/backend/src/PnvPanel.Api/Endpoints/NewsEndpoints.cs
index e3eaeab..15ae89c 100644
--- a/backend/src/PnvPanel.Api/Endpoints/NewsEndpoints.cs
+++ b/backend/src/PnvPanel.Api/Endpoints/NewsEndpoints.cs
@@ -1,5 +1,5 @@
 using PnvPanel.Api.Common;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Application.News;
 
diff --git a/backend/src/PnvPanel.Api/Endpoints/NodeEndpoints.cs b/backend/src/PnvPanel.Api/Endpoints/NodeEndpoints.cs
index fff9c80..b2a13f4 100644
--- a/backend/src/PnvPanel.Api/Endpoints/NodeEndpoints.cs
+++ b/backend/src/PnvPanel.Api/Endpoints/NodeEndpoints.cs
@@ -1,6 +1,6 @@
 using PnvPanel.Api.Common;
 using PnvPanel.Application.Admin.Nodes;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Infrastructure.Identity;
 
 namespace PnvPanel.Api.Endpoints;
diff --git a/backend/src/PnvPanel.Api/Endpoints/PlanEndpoints.cs b/backend/src/PnvPanel.Api/Endpoints/PlanEndpoints.cs
index d2e5777..173f8d9 100644
--- a/backend/src/PnvPanel.Api/Endpoints/PlanEndpoints.cs
+++ b/backend/src/PnvPanel.Api/Endpoints/PlanEndpoints.cs
@@ -1,5 +1,5 @@
 using PnvPanel.Api.Common;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Plans;
 
 namespace PnvPanel.Api.Endpoints;
diff --git a/backend/src/PnvPanel.Api/Endpoints/RoleEndpoints.cs b/backend/src/PnvPanel.Api/Endpoints/RoleEndpoints.cs
index 477339a..6a5c54a 100644
--- a/backend/src/PnvPanel.Api/Endpoints/RoleEndpoints.cs
+++ b/backend/src/PnvPanel.Api/Endpoints/RoleEndpoints.cs
@@ -2,7 +2,7 @@ using PnvPanel.Api.Common;
 using PnvPanel.Application.Admin.Roles;
 using PnvPanel.Application.Admin.Users;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Infrastructure.Identity;
 
 namespace PnvPanel.Api.Endpoints;
diff --git a/backend/src/PnvPanel.Api/Endpoints/SubscriptionEndpoints.cs b/backend/src/PnvPanel.Api/Endpoints/SubscriptionEndpoints.cs
index 06c3f68..8dca91e 100644
--- a/backend/src/PnvPanel.Api/Endpoints/SubscriptionEndpoints.cs
+++ b/backend/src/PnvPanel.Api/Endpoints/SubscriptionEndpoints.cs
@@ -1,6 +1,6 @@
 using System.Text;
 using PnvPanel.Api.Common;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Subscriptions;
 
 namespace PnvPanel.Api.Endpoints;
diff --git a/backend/src/PnvPanel.Api/Endpoints/SupportEndpoints.cs b/backend/src/PnvPanel.Api/Endpoints/SupportEndpoints.cs
index a1071c0..7f74254 100644
--- a/backend/src/PnvPanel.Api/Endpoints/SupportEndpoints.cs
+++ b/backend/src/PnvPanel.Api/Endpoints/SupportEndpoints.cs
@@ -1,7 +1,7 @@
 using Microsoft.AspNetCore.Mvc;
 using PnvPanel.Api.Common;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Application.Support;
 using PnvPanel.Application.Support.AddComment;
diff --git a/backend/src/PnvPanel.Api/Endpoints/TelegramEndpoints.cs b/backend/src/PnvPanel.Api/Endpoints/TelegramEndpoints.cs
index b40e7b9..3b34c79 100644
--- a/backend/src/PnvPanel.Api/Endpoints/TelegramEndpoints.cs
+++ b/backend/src/PnvPanel.Api/Endpoints/TelegramEndpoints.cs
@@ -1,7 +1,7 @@
 using PnvPanel.Api.Common;
 using PnvPanel.Application.Auth;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Telegram;
 using PnvPanel.Domain.Telegram;
 
diff --git a/backend/src/PnvPanel.Api/Telegram/PnvBotUpdateHandler.cs b/backend/src/PnvPanel.Api/Telegram/PnvBotUpdateHandler.cs
index 3348f9e..14ea328 100644
--- a/backend/src/PnvPanel.Api/Telegram/PnvBotUpdateHandler.cs
+++ b/backend/src/PnvPanel.Api/Telegram/PnvBotUpdateHandler.cs
@@ -5,7 +5,7 @@ using PnvPanel.Application.Admin.Support;
 using PnvPanel.Application.Billing;
 using PnvPanel.Application.Billing.GetMyBillingStatus;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Configs.GetConfigLink;
 using PnvPanel.Application.Configs.GetMyConfigs;
 using PnvPanel.Application.Telegram;
@@ -353,247 +353,247 @@ public sealed class PnvBotUpdateHandler(
 
         switch (parts[0])
         {
-            case "login":
-            {
-                var result =
-                    parts[1] == "approve"
-                        ? await sender.Send(
-                            new ApproveTelegramLoginCommand(requestId, fromId),
-                            cancellationToken
-                        )
-                        : await sender.Send(
-                            new RejectTelegramLoginCommand(requestId, fromId),
-                            cancellationToken
-                        );
-
-                await botClient.AnswerCallbackQuery(
-                    callback.Id,
-                    result.IsSuccess ? "Готово" : result.Error.Message,
-                    cancellationToken: cancellationToken
-                );
-                if (callback.Message is not null)
-                {
-                    var statusText = result.IsSuccess
-                        ? (parts[1] == "approve" ? "✅ Вход подтверждён." : "❌ Вход отклонён.")
-                        : $"⚠️ {result.Error.Message}";
-                    var text = $"{Escape(callback.Message.Text ?? "")}\n\n{statusText}";
-                    await botClient.EditMessageText(
-                        chatId.Value,
-                        callback.Message.Id,
-                        text,
-                        parseMode: ParseMode.Html,
-                        cancellationToken: cancellationToken
-                    );
+            case "login":
+                {
+                    var result =
+                        parts[1] == "approve"
+                            ? await sender.Send(
+                                new ApproveTelegramLoginCommand(requestId, fromId),
+                                cancellationToken
+                            )
+                            : await sender.Send(
+                                new RejectTelegramLoginCommand(requestId, fromId),
+                                cancellationToken
+                            );
+
+                    await botClient.AnswerCallbackQuery(
+                        callback.Id,
+                        result.IsSuccess ? "Готово" : result.Error.Message,
+                        cancellationToken: cancellationToken
+                    );
+                    if (callback.Message is not null)
+                    {
+                        var statusText = result.IsSuccess
+                            ? (parts[1] == "approve" ? "✅ Вход подтверждён." : "❌ Вход отклонён.")
+                            : $"⚠️ {result.Error.Message}";
+                        var text = $"{Escape(callback.Message.Text ?? "")}\n\n{statusText}";
+                        await botClient.EditMessageText(
+                            chatId.Value,
+                            callback.Message.Id,
+                            text,
+                            parseMode: ParseMode.Html,
+                            cancellationToken: cancellationToken
+                        );
+                    }
+
+                    break;
                 }
-
-                break;
-            }
-            case "act":
-            {
-                if (!await TrySetAdminCurrentUserAsync(services, fromId, cancellationToken))
-                {
-                    await botClient.AnswerCallbackQuery(
-                        callback.Id,
-                        "Недостаточно прав.",
-                        cancellationToken: cancellationToken
-                    );
-                    return;
+            case "act":
+                {
+                    if (!await TrySetAdminCurrentUserAsync(services, fromId, cancellationToken))
+                    {
+                        await botClient.AnswerCallbackQuery(
+                            callback.Id,
+                            "Недостаточно прав.",
+                            cancellationToken: cancellationToken
+                        );
+                        return;
+                    }
+
+                    var result =
+                        parts[1] == "approve"
+                            ? await sender.Send(
+                                new ApproveActivationCommand(requestId),
+                                cancellationToken
+                            )
+                            : await sender.Send(
+                                new RejectActivationCommand(requestId, Reason: null),
+                                cancellationToken
+                            );
+
+                    await botClient.AnswerCallbackQuery(
+                        callback.Id,
+                        result.IsSuccess ? "Готово" : result.Error.Message,
+                        cancellationToken: cancellationToken
+                    );
+                    if (callback.Message is not null)
+                    {
+                        // Редактируем исходное сообщение с запросом вместо отдельного — иначе кнопки
+                        // «Активировать/Отклонить» остаются висеть под уже обработанным запросом (в т.ч.
+                        // если его обработали в другом месте — на сайте или из другого чата).
+                        var statusText = result.IsSuccess
+                            ? (
+                                parts[1] == "approve"
+                                    ? "✅ Пользователь активирован."
+                                    : "❌ Запрос отклонён."
+                            )
+                            : $"⚠️ {result.Error.Message}";
+                        var text = $"{Escape(callback.Message.Text ?? "")}\n\n{statusText}";
+                        await botClient.EditMessageText(
+                            chatId.Value,
+                            callback.Message.Id,
+                            text,
+                            parseMode: ParseMode.Html,
+                            cancellationToken: cancellationToken
+                        );
+                    }
+
+                    break;
                 }
-
-                var result =
-                    parts[1] == "approve"
-                        ? await sender.Send(
-                            new ApproveActivationCommand(requestId),
-                            cancellationToken
-                        )
-                        : await sender.Send(
-                            new RejectActivationCommand(requestId, Reason: null),
-                            cancellationToken
-                        );
-
-                await botClient.AnswerCallbackQuery(
-                    callback.Id,
-                    result.IsSuccess ? "Готово" : result.Error.Message,
-                    cancellationToken: cancellationToken
-                );
-                if (callback.Message is not null)
-                {
-                    // Редактируем исходное сообщение с запросом вместо отдельного — иначе кнопки
-                    // «Активировать/Отклонить» остаются висеть под уже обработанным запросом (в т.ч.
-                    // если его обработали в другом месте — на сайте или из другого чата).
-                    var statusText = result.IsSuccess
-                        ? (
-                            parts[1] == "approve"
-                                ? "✅ Пользователь активирован."
-                                : "❌ Запрос отклонён."
-                        )
-                        : $"⚠️ {result.Error.Message}";
-                    var text = $"{Escape(callback.Message.Text ?? "")}\n\n{statusText}";
-                    await botClient.EditMessageText(
-                        chatId.Value,
-                        callback.Message.Id,
-                        text,
-                        parseMode: ParseMode.Html,
-                        cancellationToken: cancellationToken
-                    );
+            case "erq":
+                {
+                    if (!await TrySetAdminCurrentUserAsync(services, fromId, cancellationToken))
+                    {
+                        await botClient.AnswerCallbackQuery(
+                            callback.Id,
+                            "Недостаточно прав.",
+                            cancellationToken: cancellationToken
+                        );
+                        return;
+                    }
+
+                    var result =
+                        parts[1] == "approve"
+                            ? await sender.Send(
+                                new ApproveExtensionRequestCommand(requestId),
+                                cancellationToken
+                            )
+                            : await sender.Send(
+                                new RejectExtensionRequestCommand(requestId, Reason: null),
+                                cancellationToken
+                            );
+
+                    await botClient.AnswerCallbackQuery(
+                        callback.Id,
+                        result.IsSuccess ? "Готово" : result.Error.Message,
+                        cancellationToken: cancellationToken
+                    );
+                    if (callback.Message is not null)
+                    {
+                        var statusText = result.IsSuccess
+                            ? (
+                                parts[1] == "approve"
+                                    ? "✅ Заявка на продление одобрена."
+                                    : "❌ Заявка отклонена."
+                            )
+                            : $"⚠️ {result.Error.Message}";
+                        var text = $"{Escape(callback.Message.Text ?? "")}\n\n{statusText}";
+                        await botClient.EditMessageText(
+                            chatId.Value,
+                            callback.Message.Id,
+                            text,
+                            parseMode: ParseMode.Html,
+                            cancellationToken: cancellationToken
+                        );
+                    }
+
+                    break;
                 }
-
-                break;
-            }
-            case "erq":
-            {
-                if (!await TrySetAdminCurrentUserAsync(services, fromId, cancellationToken))
-                {
-                    await botClient.AnswerCallbackQuery(
-                        callback.Id,
-                        "Недостаточно прав.",
-                        cancellationToken: cancellationToken
-                    );
-                    return;
+            case "pay":
+                {
+                    if (!await TrySetAdminCurrentUserAsync(services, fromId, cancellationToken))
+                    {
+                        await botClient.AnswerCallbackQuery(
+                            callback.Id,
+                            "Недостаточно прав.",
+                            cancellationToken: cancellationToken
+                        );
+                        return;
+                    }
+
+                    var result =
+                        parts[1] == "approve"
+                            ? await sender.Send(
+                                new ConfirmPaymentRequestCommand(requestId),
+                                cancellationToken
+                            )
+                            : await sender.Send(
+                                new RejectPaymentRequestCommand(requestId, Reason: null),
+                                cancellationToken
+                            );
+
+                    await botClient.AnswerCallbackQuery(
+                        callback.Id,
+                        result.IsSuccess ? "Готово" : result.Error.Message,
+                        cancellationToken: cancellationToken
+                    );
+                    if (callback.Message is not null)
+                    {
+                        var statusText = result.IsSuccess
+                            ? (
+                                parts[1] == "approve"
+                                    ? "✅ Оплата подтверждена."
+                                    : "❌ Оплата отклонена."
+                            )
+                            : $"⚠️ {result.Error.Message}";
+                        var text = $"{Escape(callback.Message.Text ?? "")}\n\n{statusText}";
+                        await botClient.EditMessageText(
+                            chatId.Value,
+                            callback.Message.Id,
+                            text,
+                            parseMode: ParseMode.Html,
+                            cancellationToken: cancellationToken
+                        );
+                    }
+
+                    break;
                 }
-
-                var result =
-                    parts[1] == "approve"
-                        ? await sender.Send(
-                            new ApproveExtensionRequestCommand(requestId),
-                            cancellationToken
-                        )
-                        : await sender.Send(
-                            new RejectExtensionRequestCommand(requestId, Reason: null),
-                            cancellationToken
-                        );
-
-                await botClient.AnswerCallbackQuery(
-                    callback.Id,
-                    result.IsSuccess ? "Готово" : result.Error.Message,
-                    cancellationToken: cancellationToken
-                );
-                if (callback.Message is not null)
-                {
-                    var statusText = result.IsSuccess
-                        ? (
-                            parts[1] == "approve"
-                                ? "✅ Заявка на продление одобрена."
-                                : "❌ Заявка отклонена."
-                        )
-                        : $"⚠️ {result.Error.Message}";
-                    var text = $"{Escape(callback.Message.Text ?? "")}\n\n{statusText}";
-                    await botClient.EditMessageText(
-                        chatId.Value,
-                        callback.Message.Id,
-                        text,
-                        parseMode: ParseMode.Html,
-                        cancellationToken: cancellationToken
-                    );
+            case "cfg":
+                {
+                    if (!await TrySetCurrentUserAsync(services, fromId, cancellationToken))
+                    {
+                        await botClient.AnswerCallbackQuery(
+                            callback.Id,
+                            "Telegram не привязан.",
+                            cancellationToken: cancellationToken
+                        );
+                        return;
+                    }
+
+                    var linkResult = await sender.Send(
+                        new GetConfigLinkQuery(requestId),
+                        cancellationToken
+                    );
+                    await botClient.AnswerCallbackQuery(
+                        callback.Id,
+                        cancellationToken: cancellationToken
+                    );
+
+                    if (!linkResult.IsSuccess)
+                    {
+                        await botClient.SendMessage(
+                            chatId.Value,
+                            $"Не удалось получить ссылку: {linkResult.Error.Message}",
+                            cancellationToken: cancellationToken
+                        );
+                        return;
+                    }
+
+                    if (callback.Message is null)
+                        break;
+
+                    // Редактируем то же сообщение (не плодим отдельное с сырым URL) — ссылка моноширинным
+                    // блоком, по нему в Telegram можно тапнуть и скопировать целиком одним движением.
+                    // Убираем именно эту кнопку из клавиатуры — остальные конфиги и «В меню» остаются на месте.
+                    var text =
+                        $"{Escape(callback.Message.Text ?? "")}\n\n<code>{Escape(linkResult.Value.ConnectionString)}</code>";
+                    var remainingRows = (callback.Message.ReplyMarkup?.InlineKeyboard ?? [])
+                        .Where(row => row.All(b => b.CallbackData != data))
+                        .ToArray();
+
+                    await botClient.EditMessageText(
+                        chatId.Value,
+                        callback.Message.Id,
+                        text,
+                        parseMode: ParseMode.Html,
+                        replyMarkup: remainingRows.Length > 0
+                            ? new InlineKeyboardMarkup(remainingRows)
+                            : null,
+                        cancellationToken: cancellationToken
+                    );
+
+                    break;
                 }
-
-                break;
-            }
-            case "pay":
-            {
-                if (!await TrySetAdminCurrentUserAsync(services, fromId, cancellationToken))
-                {
-                    await botClient.AnswerCallbackQuery(
-                        callback.Id,
-                        "Недостаточно прав.",
-                        cancellationToken: cancellationToken
-                    );
-                    return;
-                }
-
-                var result =
-                    parts[1] == "approve"
-                        ? await sender.Send(
-                            new ConfirmPaymentRequestCommand(requestId),
-                            cancellationToken
-                        )
-                        : await sender.Send(
-                            new RejectPaymentRequestCommand(requestId, Reason: null),
-                            cancellationToken
-                        );
-
-                await botClient.AnswerCallbackQuery(
-                    callback.Id,
-                    result.IsSuccess ? "Готово" : result.Error.Message,
-                    cancellationToken: cancellationToken
-                );
-                if (callback.Message is not null)
-                {
-                    var statusText = result.IsSuccess
-                        ? (
-                            parts[1] == "approve"
-                                ? "✅ Оплата подтверждена."
-                                : "❌ Оплата отклонена."
-                        )
-                        : $"⚠️ {result.Error.Message}";
-                    var text = $"{Escape(callback.Message.Text ?? "")}\n\n{statusText}";
-                    await botClient.EditMessageText(
-                        chatId.Value,
-                        callback.Message.Id,
-                        text,
-                        parseMode: ParseMode.Html,
-                        cancellationToken: cancellationToken
-                    );
-                }
-
-                break;
-            }
-            case "cfg":
-            {
-                if (!await TrySetCurrentUserAsync(services, fromId, cancellationToken))
-                {
-                    await botClient.AnswerCallbackQuery(
-                        callback.Id,
-                        "Telegram не привязан.",
-                        cancellationToken: cancellationToken
-                    );
-                    return;
-                }
-
-                var linkResult = await sender.Send(
-                    new GetConfigLinkQuery(requestId),
-                    cancellationToken
-                );
-                await botClient.AnswerCallbackQuery(
-                    callback.Id,
-                    cancellationToken: cancellationToken
-                );
-
-                if (!linkResult.IsSuccess)
-                {
-                    await botClient.SendMessage(
-                        chatId.Value,
-                        $"Не удалось получить ссылку: {linkResult.Error.Message}",
-                        cancellationToken: cancellationToken
-                    );
-                    return;
-                }
-
-                if (callback.Message is null)
-                    break;
-
-                // Редактируем то же сообщение (не плодим отдельное с сырым URL) — ссылка моноширинным
-                // блоком, по нему в Telegram можно тапнуть и скопировать целиком одним движением.
-                // Убираем именно эту кнопку из клавиатуры — остальные конфиги и «В меню» остаются на месте.
-                var text =
-                    $"{Escape(callback.Message.Text ?? "")}\n\n<code>{Escape(linkResult.Value.ConnectionString)}</code>";
-                var remainingRows = (callback.Message.ReplyMarkup?.InlineKeyboard ?? [])
-                    .Where(row => row.All(b => b.CallbackData != data))
-                    .ToArray();
-
-                await botClient.EditMessageText(
-                    chatId.Value,
-                    callback.Message.Id,
-                    text,
-                    parseMode: ParseMode.Html,
-                    replyMarkup: remainingRows.Length > 0
-                        ? new InlineKeyboardMarkup(remainingRows)
-                        : null,
-                    cancellationToken: cancellationToken
-                );
-
-                break;
-            }
         }
     }
 
diff --git a/backend/src/PnvPanel.Application/Activation/GetActivationStatusQuery.cs b/backend/src/PnvPanel.Application/Activation/GetActivationStatusQuery.cs
index 2e98c66..da5f51b 100644
--- a/backend/src/PnvPanel.Application/Activation/GetActivationStatusQuery.cs
+++ b/backend/src/PnvPanel.Application/Activation/GetActivationStatusQuery.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Activation;
diff --git a/backend/src/PnvPanel.Application/Activation/GetActivationStatusQueryHandler.cs b/backend/src/PnvPanel.Application/Activation/GetActivationStatusQueryHandler.cs
index 172eef6..28d0a0b 100644
--- a/backend/src/PnvPanel.Application/Activation/GetActivationStatusQueryHandler.cs
+++ b/backend/src/PnvPanel.Application/Activation/GetActivationStatusQueryHandler.cs
@@ -1,7 +1,7 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Auth;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Activation;
 
diff --git a/backend/src/PnvPanel.Application/Activation/RequestActivationCommand.cs b/backend/src/PnvPanel.Application/Activation/RequestActivationCommand.cs
index c4915e2..5be3bc4 100644
--- a/backend/src/PnvPanel.Application/Activation/RequestActivationCommand.cs
+++ b/backend/src/PnvPanel.Application/Activation/RequestActivationCommand.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Activation;
diff --git a/backend/src/PnvPanel.Application/Activation/RequestActivationCommandHandler.cs b/backend/src/PnvPanel.Application/Activation/RequestActivationCommandHandler.cs
index 0103375..87a31c2 100644
--- a/backend/src/PnvPanel.Application/Activation/RequestActivationCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Activation/RequestActivationCommandHandler.cs
@@ -1,7 +1,7 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Auth;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Activation;
 
diff --git a/backend/src/PnvPanel.Application/Admin/Activation/ApproveActivationCommand.cs b/backend/src/PnvPanel.Application/Admin/Activation/ApproveActivationCommand.cs
index 749f7e3..f4ae0ba 100644
--- a/backend/src/PnvPanel.Application/Admin/Activation/ApproveActivationCommand.cs
+++ b/backend/src/PnvPanel.Application/Admin/Activation/ApproveActivationCommand.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Activation;
diff --git a/backend/src/PnvPanel.Application/Admin/Activation/ApproveActivationCommandHandler.cs b/backend/src/PnvPanel.Application/Admin/Activation/ApproveActivationCommandHandler.cs
index a3cfdc4..1f10f0f 100644
--- a/backend/src/PnvPanel.Application/Admin/Activation/ApproveActivationCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Activation/ApproveActivationCommandHandler.cs
@@ -2,7 +2,7 @@ using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Activation;
 using PnvPanel.Application.Auth;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Activation;
 using PnvPanel.Domain.Audit;
diff --git a/backend/src/PnvPanel.Application/Admin/Activation/ListActivationRequestsQuery.cs b/backend/src/PnvPanel.Application/Admin/Activation/ListActivationRequestsQuery.cs
index b92a255..806e89e 100644
--- a/backend/src/PnvPanel.Application/Admin/Activation/ListActivationRequestsQuery.cs
+++ b/backend/src/PnvPanel.Application/Admin/Activation/ListActivationRequestsQuery.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Activation;
 
diff --git a/backend/src/PnvPanel.Application/Admin/Activation/ListActivationRequestsQueryHandler.cs b/backend/src/PnvPanel.Application/Admin/Activation/ListActivationRequestsQueryHandler.cs
index 25a21c8..2b930ea 100644
--- a/backend/src/PnvPanel.Application/Admin/Activation/ListActivationRequestsQueryHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Activation/ListActivationRequestsQueryHandler.cs
@@ -1,6 +1,6 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Activation;
diff --git a/backend/src/PnvPanel.Application/Admin/Activation/RejectActivationCommand.cs b/backend/src/PnvPanel.Application/Admin/Activation/RejectActivationCommand.cs
index 694c8c9..cc2b785 100644
--- a/backend/src/PnvPanel.Application/Admin/Activation/RejectActivationCommand.cs
+++ b/backend/src/PnvPanel.Application/Admin/Activation/RejectActivationCommand.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Activation;
diff --git a/backend/src/PnvPanel.Application/Admin/Activation/RejectActivationCommandHandler.cs b/backend/src/PnvPanel.Application/Admin/Activation/RejectActivationCommandHandler.cs
index 4b567c5..ca27326 100644
--- a/backend/src/PnvPanel.Application/Admin/Activation/RejectActivationCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Activation/RejectActivationCommandHandler.cs
@@ -2,7 +2,7 @@ using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Activation;
 using PnvPanel.Application.Auth;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Activation;
 using PnvPanel.Domain.Audit;
diff --git a/backend/src/PnvPanel.Application/Admin/Apps/CreateAppCommand.cs b/backend/src/PnvPanel.Application/Admin/Apps/CreateAppCommand.cs
index 78ab20d..f4599ef 100644
--- a/backend/src/PnvPanel.Application/Admin/Apps/CreateAppCommand.cs
+++ b/backend/src/PnvPanel.Application/Admin/Apps/CreateAppCommand.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Apps;
 
diff --git a/backend/src/PnvPanel.Application/Admin/Apps/CreateAppCommandHandler.cs b/backend/src/PnvPanel.Application/Admin/Apps/CreateAppCommandHandler.cs
index ae09bb5..4b40589 100644
--- a/backend/src/PnvPanel.Application/Admin/Apps/CreateAppCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Apps/CreateAppCommandHandler.cs
@@ -1,5 +1,5 @@
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Apps;
 
diff --git a/backend/src/PnvPanel.Application/Admin/Apps/DeleteAppCommand.cs b/backend/src/PnvPanel.Application/Admin/Apps/DeleteAppCommand.cs
index 2d68d6c..ee32b76 100644
--- a/backend/src/PnvPanel.Application/Admin/Apps/DeleteAppCommand.cs
+++ b/backend/src/PnvPanel.Application/Admin/Apps/DeleteAppCommand.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Apps;
diff --git a/backend/src/PnvPanel.Application/Admin/Apps/DeleteAppCommandHandler.cs b/backend/src/PnvPanel.Application/Admin/Apps/DeleteAppCommandHandler.cs
index 6d3de73..d70ad91 100644
--- a/backend/src/PnvPanel.Application/Admin/Apps/DeleteAppCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Apps/DeleteAppCommandHandler.cs
@@ -1,6 +1,6 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Apps;
diff --git a/backend/src/PnvPanel.Application/Admin/Apps/ListAdminAppsQuery.cs b/backend/src/PnvPanel.Application/Admin/Apps/ListAdminAppsQuery.cs
index 19c4e83..faf8729 100644
--- a/backend/src/PnvPanel.Application/Admin/Apps/ListAdminAppsQuery.cs
+++ b/backend/src/PnvPanel.Application/Admin/Apps/ListAdminAppsQuery.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Apps;
diff --git a/backend/src/PnvPanel.Application/Admin/Apps/ListAdminAppsQueryHandler.cs b/backend/src/PnvPanel.Application/Admin/Apps/ListAdminAppsQueryHandler.cs
index 164decc..d4a60d9 100644
--- a/backend/src/PnvPanel.Application/Admin/Apps/ListAdminAppsQueryHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Apps/ListAdminAppsQueryHandler.cs
@@ -1,6 +1,6 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Apps;
diff --git a/backend/src/PnvPanel.Application/Admin/Apps/UpdateAppCommand.cs b/backend/src/PnvPanel.Application/Admin/Apps/UpdateAppCommand.cs
index 7cd6a0a..f68f433 100644
--- a/backend/src/PnvPanel.Application/Admin/Apps/UpdateAppCommand.cs
+++ b/backend/src/PnvPanel.Application/Admin/Apps/UpdateAppCommand.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Apps;
 
diff --git a/backend/src/PnvPanel.Application/Admin/Apps/UpdateAppCommandHandler.cs b/backend/src/PnvPanel.Application/Admin/Apps/UpdateAppCommandHandler.cs
index 40d41e4..362a11a 100644
--- a/backend/src/PnvPanel.Application/Admin/Apps/UpdateAppCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Apps/UpdateAppCommandHandler.cs
@@ -1,6 +1,6 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Apps;
diff --git a/backend/src/PnvPanel.Application/Admin/Audit/ListAuditLogsQuery.cs b/backend/src/PnvPanel.Application/Admin/Audit/ListAuditLogsQuery.cs
index f6c865c..6d85ce8 100644
--- a/backend/src/PnvPanel.Application/Admin/Audit/ListAuditLogsQuery.cs
+++ b/backend/src/PnvPanel.Application/Admin/Audit/ListAuditLogsQuery.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Audit;
 
diff --git a/backend/src/PnvPanel.Application/Admin/Audit/ListAuditLogsQueryHandler.cs b/backend/src/PnvPanel.Application/Admin/Audit/ListAuditLogsQueryHandler.cs
index 83665ee..094c2d5 100644
--- a/backend/src/PnvPanel.Application/Admin/Audit/ListAuditLogsQueryHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Audit/ListAuditLogsQueryHandler.cs
@@ -1,6 +1,6 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Audit;
diff --git a/backend/src/PnvPanel.Application/Admin/Billing/ConfirmPaymentRequestCommand.cs b/backend/src/PnvPanel.Application/Admin/Billing/ConfirmPaymentRequestCommand.cs
index 49bc99d..6f8f309 100644
--- a/backend/src/PnvPanel.Application/Admin/Billing/ConfirmPaymentRequestCommand.cs
+++ b/backend/src/PnvPanel.Application/Admin/Billing/ConfirmPaymentRequestCommand.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Billing;
diff --git a/backend/src/PnvPanel.Application/Admin/Billing/ConfirmPaymentRequestCommandHandler.cs b/backend/src/PnvPanel.Application/Admin/Billing/ConfirmPaymentRequestCommandHandler.cs
index 91995ac..666eed0 100644
--- a/backend/src/PnvPanel.Application/Admin/Billing/ConfirmPaymentRequestCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Billing/ConfirmPaymentRequestCommandHandler.cs
@@ -4,7 +4,7 @@ using PnvPanel.Application.Auth;
 using PnvPanel.Application.Billing;
 using PnvPanel.Application.Common.Concurrency;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Audit;
 using PnvPanel.Domain.Billing;
diff --git a/backend/src/PnvPanel.Application/Admin/Billing/GetBillingSettingsQuery.cs b/backend/src/PnvPanel.Application/Admin/Billing/GetBillingSettingsQuery.cs
index d155c2d..9e1dab0 100644
--- a/backend/src/PnvPanel.Application/Admin/Billing/GetBillingSettingsQuery.cs
+++ b/backend/src/PnvPanel.Application/Admin/Billing/GetBillingSettingsQuery.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Billing;
diff --git a/backend/src/PnvPanel.Application/Admin/Billing/GetBillingSettingsQueryHandler.cs b/backend/src/PnvPanel.Application/Admin/Billing/GetBillingSettingsQueryHandler.cs
index a675225..e5782e1 100644
--- a/backend/src/PnvPanel.Application/Admin/Billing/GetBillingSettingsQueryHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Billing/GetBillingSettingsQueryHandler.cs
@@ -1,6 +1,6 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Billing;
 
diff --git a/backend/src/PnvPanel.Application/Admin/Billing/GrantBillingGiftCommand.cs b/backend/src/PnvPanel.Application/Admin/Billing/GrantBillingGiftCommand.cs
index 80e9f47..210b620 100644
--- a/backend/src/PnvPanel.Application/Admin/Billing/GrantBillingGiftCommand.cs
+++ b/backend/src/PnvPanel.Application/Admin/Billing/GrantBillingGiftCommand.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Billing;
diff --git a/backend/src/PnvPanel.Application/Admin/Billing/GrantBillingGiftCommandHandler.cs b/backend/src/PnvPanel.Application/Admin/Billing/GrantBillingGiftCommandHandler.cs
index 7beb9d6..9d8ca8d 100644
--- a/backend/src/PnvPanel.Application/Admin/Billing/GrantBillingGiftCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Billing/GrantBillingGiftCommandHandler.cs
@@ -3,7 +3,7 @@ using PnvPanel.Application.Admin.Users;
 using PnvPanel.Application.Auth;
 using PnvPanel.Application.Billing;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Audit;
 
diff --git a/backend/src/PnvPanel.Application/Admin/Billing/ListPaymentRequestsQuery.cs b/backend/src/PnvPanel.Application/Admin/Billing/ListPaymentRequestsQuery.cs
index 8f18c1c..9ef4b1c 100644
--- a/backend/src/PnvPanel.Application/Admin/Billing/ListPaymentRequestsQuery.cs
+++ b/backend/src/PnvPanel.Application/Admin/Billing/ListPaymentRequestsQuery.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Billing;
 
diff --git a/backend/src/PnvPanel.Application/Admin/Billing/ListPaymentRequestsQueryHandler.cs b/backend/src/PnvPanel.Application/Admin/Billing/ListPaymentRequestsQueryHandler.cs
index 71d514c..336c742 100644
--- a/backend/src/PnvPanel.Application/Admin/Billing/ListPaymentRequestsQueryHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Billing/ListPaymentRequestsQueryHandler.cs
@@ -1,6 +1,6 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Billing;
diff --git a/backend/src/PnvPanel.Application/Admin/Billing/RejectPaymentRequestCommand.cs b/backend/src/PnvPanel.Application/Admin/Billing/RejectPaymentRequestCommand.cs
index 8c961ac..9b4719a 100644
--- a/backend/src/PnvPanel.Application/Admin/Billing/RejectPaymentRequestCommand.cs
+++ b/backend/src/PnvPanel.Application/Admin/Billing/RejectPaymentRequestCommand.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Billing;
diff --git a/backend/src/PnvPanel.Application/Admin/Billing/RejectPaymentRequestCommandHandler.cs b/backend/src/PnvPanel.Application/Admin/Billing/RejectPaymentRequestCommandHandler.cs
index ae4ab58..e6efa9e 100644
--- a/backend/src/PnvPanel.Application/Admin/Billing/RejectPaymentRequestCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Billing/RejectPaymentRequestCommandHandler.cs
@@ -4,7 +4,7 @@ using PnvPanel.Application.Auth;
 using PnvPanel.Application.Billing;
 using PnvPanel.Application.Common.Concurrency;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Audit;
 using PnvPanel.Domain.Billing;
diff --git a/backend/src/PnvPanel.Application/Admin/Billing/UpdateBillingSettingsCommand.cs b/backend/src/PnvPanel.Application/Admin/Billing/UpdateBillingSettingsCommand.cs
index 5569ebe..e90ac36 100644
--- a/backend/src/PnvPanel.Application/Admin/Billing/UpdateBillingSettingsCommand.cs
+++ b/backend/src/PnvPanel.Application/Admin/Billing/UpdateBillingSettingsCommand.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Billing;
diff --git a/backend/src/PnvPanel.Application/Admin/Billing/UpdateBillingSettingsCommandHandler.cs b/backend/src/PnvPanel.Application/Admin/Billing/UpdateBillingSettingsCommandHandler.cs
index cab83bf..2363b0b 100644
--- a/backend/src/PnvPanel.Application/Admin/Billing/UpdateBillingSettingsCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Billing/UpdateBillingSettingsCommandHandler.cs
@@ -1,6 +1,6 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Billing;
 
diff --git a/backend/src/PnvPanel.Application/Admin/Configs/ListAllConfigsQuery.cs b/backend/src/PnvPanel.Application/Admin/Configs/ListAllConfigsQuery.cs
index a1d2a3f..a9603cd 100644
--- a/backend/src/PnvPanel.Application/Admin/Configs/ListAllConfigsQuery.cs
+++ b/backend/src/PnvPanel.Application/Admin/Configs/ListAllConfigsQuery.cs
@@ -1,5 +1,5 @@
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Configs;
 using PnvPanel.Domain.Inbounds;
diff --git a/backend/src/PnvPanel.Application/Admin/Configs/ListAllConfigsQueryHandler.cs b/backend/src/PnvPanel.Application/Admin/Configs/ListAllConfigsQueryHandler.cs
index 1678eda..c98c3c3 100644
--- a/backend/src/PnvPanel.Application/Admin/Configs/ListAllConfigsQueryHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Configs/ListAllConfigsQueryHandler.cs
@@ -1,6 +1,6 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Configs;
diff --git a/backend/src/PnvPanel.Application/Admin/Inbounds/DeleteInboundCommand.cs b/backend/src/PnvPanel.Application/Admin/Inbounds/DeleteInboundCommand.cs
index e885b96..5afbec7 100644
--- a/backend/src/PnvPanel.Application/Admin/Inbounds/DeleteInboundCommand.cs
+++ b/backend/src/PnvPanel.Application/Admin/Inbounds/DeleteInboundCommand.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Inbounds;
diff --git a/backend/src/PnvPanel.Application/Admin/Inbounds/DeleteInboundCommandHandler.cs b/backend/src/PnvPanel.Application/Admin/Inbounds/DeleteInboundCommandHandler.cs
index 0188d0d..556aa2c 100644
--- a/backend/src/PnvPanel.Application/Admin/Inbounds/DeleteInboundCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Inbounds/DeleteInboundCommandHandler.cs
@@ -1,6 +1,6 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Audit;
 using PnvPanel.Domain.Configs;
diff --git a/backend/src/PnvPanel.Application/Admin/Inbounds/ListInboundsQuery.cs b/backend/src/PnvPanel.Application/Admin/Inbounds/ListInboundsQuery.cs
index 1d7cc98..2172ad4 100644
--- a/backend/src/PnvPanel.Application/Admin/Inbounds/ListInboundsQuery.cs
+++ b/backend/src/PnvPanel.Application/Admin/Inbounds/ListInboundsQuery.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Inbounds;
diff --git a/backend/src/PnvPanel.Application/Admin/Inbounds/ListInboundsQueryHandler.cs b/backend/src/PnvPanel.Application/Admin/Inbounds/ListInboundsQueryHandler.cs
index 5d61839..d39267e 100644
--- a/backend/src/PnvPanel.Application/Admin/Inbounds/ListInboundsQueryHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Inbounds/ListInboundsQueryHandler.cs
@@ -1,6 +1,6 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Inbounds;
diff --git a/backend/src/PnvPanel.Application/Admin/Inbounds/PublishInboundCommand.cs b/backend/src/PnvPanel.Application/Admin/Inbounds/PublishInboundCommand.cs
index 69ece38..8a7f9b0 100644
--- a/backend/src/PnvPanel.Application/Admin/Inbounds/PublishInboundCommand.cs
+++ b/backend/src/PnvPanel.Application/Admin/Inbounds/PublishInboundCommand.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Inbounds;
diff --git a/backend/src/PnvPanel.Application/Admin/Inbounds/PublishInboundCommandHandler.cs b/backend/src/PnvPanel.Application/Admin/Inbounds/PublishInboundCommandHandler.cs
index 5113fdc..d2d00d4 100644
--- a/backend/src/PnvPanel.Application/Admin/Inbounds/PublishInboundCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Inbounds/PublishInboundCommandHandler.cs
@@ -1,6 +1,6 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Audit;
 
diff --git a/backend/src/PnvPanel.Application/Admin/Instructions/CreateInstructionTabCommand.cs b/backend/src/PnvPanel.Application/Admin/Instructions/CreateInstructionTabCommand.cs
index 246f63b..e500a40 100644
--- a/backend/src/PnvPanel.Application/Admin/Instructions/CreateInstructionTabCommand.cs
+++ b/backend/src/PnvPanel.Application/Admin/Instructions/CreateInstructionTabCommand.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Application.Instructions;
 
diff --git a/backend/src/PnvPanel.Application/Admin/Instructions/CreateInstructionTabCommandHandler.cs b/backend/src/PnvPanel.Application/Admin/Instructions/CreateInstructionTabCommandHandler.cs
index 8fbe1be..aff93b1 100644
--- a/backend/src/PnvPanel.Application/Admin/Instructions/CreateInstructionTabCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Instructions/CreateInstructionTabCommandHandler.cs
@@ -1,5 +1,5 @@
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Application.Instructions;
 using PnvPanel.Domain.Instructions;
diff --git a/backend/src/PnvPanel.Application/Admin/Instructions/DeleteInstructionTabCommand.cs b/backend/src/PnvPanel.Application/Admin/Instructions/DeleteInstructionTabCommand.cs
index 696a525..6437698 100644
--- a/backend/src/PnvPanel.Application/Admin/Instructions/DeleteInstructionTabCommand.cs
+++ b/backend/src/PnvPanel.Application/Admin/Instructions/DeleteInstructionTabCommand.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Instructions;
diff --git a/backend/src/PnvPanel.Application/Admin/Instructions/DeleteInstructionTabCommandHandler.cs b/backend/src/PnvPanel.Application/Admin/Instructions/DeleteInstructionTabCommandHandler.cs
index 3d2d8b9..c08f8e6 100644
--- a/backend/src/PnvPanel.Application/Admin/Instructions/DeleteInstructionTabCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Instructions/DeleteInstructionTabCommandHandler.cs
@@ -1,6 +1,6 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Instructions;
diff --git a/backend/src/PnvPanel.Application/Admin/Instructions/UpdateInstructionIntroCommand.cs b/backend/src/PnvPanel.Application/Admin/Instructions/UpdateInstructionIntroCommand.cs
index da4c15d..1fc4535 100644
--- a/backend/src/PnvPanel.Application/Admin/Instructions/UpdateInstructionIntroCommand.cs
+++ b/backend/src/PnvPanel.Application/Admin/Instructions/UpdateInstructionIntroCommand.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Application.Instructions;
 
diff --git a/backend/src/PnvPanel.Application/Admin/Instructions/UpdateInstructionIntroCommandHandler.cs b/backend/src/PnvPanel.Application/Admin/Instructions/UpdateInstructionIntroCommandHandler.cs
index 6a86e6f..d0068f8 100644
--- a/backend/src/PnvPanel.Application/Admin/Instructions/UpdateInstructionIntroCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Instructions/UpdateInstructionIntroCommandHandler.cs
@@ -1,6 +1,6 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Application.Instructions;
 using PnvPanel.Domain.Instructions;
diff --git a/backend/src/PnvPanel.Application/Admin/Instructions/UpdateInstructionTabCommand.cs b/backend/src/PnvPanel.Application/Admin/Instructions/UpdateInstructionTabCommand.cs
index 2f06b09..34d3c3b 100644
--- a/backend/src/PnvPanel.Application/Admin/Instructions/UpdateInstructionTabCommand.cs
+++ b/backend/src/PnvPanel.Application/Admin/Instructions/UpdateInstructionTabCommand.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Application.Instructions;
 
diff --git a/backend/src/PnvPanel.Application/Admin/Instructions/UpdateInstructionTabCommandHandler.cs b/backend/src/PnvPanel.Application/Admin/Instructions/UpdateInstructionTabCommandHandler.cs
index 13952f2..6ac4e51 100644
--- a/backend/src/PnvPanel.Application/Admin/Instructions/UpdateInstructionTabCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Instructions/UpdateInstructionTabCommandHandler.cs
@@ -1,6 +1,6 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Application.Instructions;
 
diff --git a/backend/src/PnvPanel.Application/Admin/Maintenance/DeleteClosedTicketsCommand.cs b/backend/src/PnvPanel.Application/Admin/Maintenance/DeleteClosedTicketsCommand.cs
index dca2f8e..205e738 100644
--- a/backend/src/PnvPanel.Application/Admin/Maintenance/DeleteClosedTicketsCommand.cs
+++ b/backend/src/PnvPanel.Application/Admin/Maintenance/DeleteClosedTicketsCommand.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Maintenance;
diff --git a/backend/src/PnvPanel.Application/Admin/Maintenance/DeleteClosedTicketsCommandHandler.cs b/backend/src/PnvPanel.Application/Admin/Maintenance/DeleteClosedTicketsCommandHandler.cs
index e81b3e6..0dfee59 100644
--- a/backend/src/PnvPanel.Application/Admin/Maintenance/DeleteClosedTicketsCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Maintenance/DeleteClosedTicketsCommandHandler.cs
@@ -1,7 +1,7 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Auth;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Audit;
 using PnvPanel.Domain.Support;
diff --git a/backend/src/PnvPanel.Application/Admin/Maintenance/DeleteDisabledAppsCommand.cs b/backend/src/PnvPanel.Application/Admin/Maintenance/DeleteDisabledAppsCommand.cs
index 6c80af6..da8ff30 100644
--- a/backend/src/PnvPanel.Application/Admin/Maintenance/DeleteDisabledAppsCommand.cs
+++ b/backend/src/PnvPanel.Application/Admin/Maintenance/DeleteDisabledAppsCommand.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Maintenance;
diff --git a/backend/src/PnvPanel.Application/Admin/Maintenance/DeleteDisabledAppsCommandHandler.cs b/backend/src/PnvPanel.Application/Admin/Maintenance/DeleteDisabledAppsCommandHandler.cs
index de89476..995ce4a 100644
--- a/backend/src/PnvPanel.Application/Admin/Maintenance/DeleteDisabledAppsCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Maintenance/DeleteDisabledAppsCommandHandler.cs
@@ -1,7 +1,7 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Auth;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Audit;
 
diff --git a/backend/src/PnvPanel.Application/Admin/Maintenance/DeleteOldAuditLogsCommand.cs b/backend/src/PnvPanel.Application/Admin/Maintenance/DeleteOldAuditLogsCommand.cs
index 32ccc42..ad223ce 100644
--- a/backend/src/PnvPanel.Application/Admin/Maintenance/DeleteOldAuditLogsCommand.cs
+++ b/backend/src/PnvPanel.Application/Admin/Maintenance/DeleteOldAuditLogsCommand.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Maintenance;
diff --git a/backend/src/PnvPanel.Application/Admin/Maintenance/DeleteOldAuditLogsCommandHandler.cs b/backend/src/PnvPanel.Application/Admin/Maintenance/DeleteOldAuditLogsCommandHandler.cs
index 32b02da..552d8b7 100644
--- a/backend/src/PnvPanel.Application/Admin/Maintenance/DeleteOldAuditLogsCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Maintenance/DeleteOldAuditLogsCommandHandler.cs
@@ -1,7 +1,7 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Auth;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Audit;
 
diff --git a/backend/src/PnvPanel.Application/Admin/Maintenance/FactoryResetCommand.cs b/backend/src/PnvPanel.Application/Admin/Maintenance/FactoryResetCommand.cs
index 4e8a819..438fb80 100644
--- a/backend/src/PnvPanel.Application/Admin/Maintenance/FactoryResetCommand.cs
+++ b/backend/src/PnvPanel.Application/Admin/Maintenance/FactoryResetCommand.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Maintenance;
diff --git a/backend/src/PnvPanel.Application/Admin/Maintenance/FactoryResetCommandHandler.cs b/backend/src/PnvPanel.Application/Admin/Maintenance/FactoryResetCommandHandler.cs
index a6493ce..da84db1 100644
--- a/backend/src/PnvPanel.Application/Admin/Maintenance/FactoryResetCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Maintenance/FactoryResetCommandHandler.cs
@@ -1,7 +1,7 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Auth;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Audit;
 using PnvPanel.Domain.Configs;
diff --git a/backend/src/PnvPanel.Application/Admin/News/CreatePostCommand.cs b/backend/src/PnvPanel.Application/Admin/News/CreatePostCommand.cs
index 80bdd8a..e4226c1 100644
--- a/backend/src/PnvPanel.Application/Admin/News/CreatePostCommand.cs
+++ b/backend/src/PnvPanel.Application/Admin/News/CreatePostCommand.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Application.News;
 
diff --git a/backend/src/PnvPanel.Application/Admin/News/CreatePostCommandHandler.cs b/backend/src/PnvPanel.Application/Admin/News/CreatePostCommandHandler.cs
index a487e03..f428d0f 100644
--- a/backend/src/PnvPanel.Application/Admin/News/CreatePostCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/News/CreatePostCommandHandler.cs
@@ -1,5 +1,5 @@
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Application.News;
 using PnvPanel.Domain.News;
diff --git a/backend/src/PnvPanel.Application/Admin/News/DeletePostCommand.cs b/backend/src/PnvPanel.Application/Admin/News/DeletePostCommand.cs
index 837fd8a..55a16fa 100644
--- a/backend/src/PnvPanel.Application/Admin/News/DeletePostCommand.cs
+++ b/backend/src/PnvPanel.Application/Admin/News/DeletePostCommand.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.News;
diff --git a/backend/src/PnvPanel.Application/Admin/News/DeletePostCommandHandler.cs b/backend/src/PnvPanel.Application/Admin/News/DeletePostCommandHandler.cs
index bde163e..30b432c 100644
--- a/backend/src/PnvPanel.Application/Admin/News/DeletePostCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/News/DeletePostCommandHandler.cs
@@ -1,6 +1,6 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.News;
diff --git a/backend/src/PnvPanel.Application/Admin/News/ListAdminNewsQuery.cs b/backend/src/PnvPanel.Application/Admin/News/ListAdminNewsQuery.cs
index b06b3a7..e6f617c 100644
--- a/backend/src/PnvPanel.Application/Admin/News/ListAdminNewsQuery.cs
+++ b/backend/src/PnvPanel.Application/Admin/News/ListAdminNewsQuery.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Application.News;
 
diff --git a/backend/src/PnvPanel.Application/Admin/News/ListAdminNewsQueryHandler.cs b/backend/src/PnvPanel.Application/Admin/News/ListAdminNewsQueryHandler.cs
index 8048ab4..7a75748 100644
--- a/backend/src/PnvPanel.Application/Admin/News/ListAdminNewsQueryHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/News/ListAdminNewsQueryHandler.cs
@@ -1,6 +1,6 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Application.News;
 
diff --git a/backend/src/PnvPanel.Application/Admin/News/UpdatePostCommand.cs b/backend/src/PnvPanel.Application/Admin/News/UpdatePostCommand.cs
index 5084d5c..e05459f 100644
--- a/backend/src/PnvPanel.Application/Admin/News/UpdatePostCommand.cs
+++ b/backend/src/PnvPanel.Application/Admin/News/UpdatePostCommand.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Application.News;
 
diff --git a/backend/src/PnvPanel.Application/Admin/News/UpdatePostCommandHandler.cs b/backend/src/PnvPanel.Application/Admin/News/UpdatePostCommandHandler.cs
index 0e9db5b..2dbe809 100644
--- a/backend/src/PnvPanel.Application/Admin/News/UpdatePostCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/News/UpdatePostCommandHandler.cs
@@ -1,6 +1,6 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Application.News;
 
diff --git a/backend/src/PnvPanel.Application/Admin/Nodes/DeleteNodeCommand.cs b/backend/src/PnvPanel.Application/Admin/Nodes/DeleteNodeCommand.cs
index f11322b..5488c15 100644
--- a/backend/src/PnvPanel.Application/Admin/Nodes/DeleteNodeCommand.cs
+++ b/backend/src/PnvPanel.Application/Admin/Nodes/DeleteNodeCommand.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Nodes;
diff --git a/backend/src/PnvPanel.Application/Admin/Nodes/DeleteNodeCommandHandler.cs b/backend/src/PnvPanel.Application/Admin/Nodes/DeleteNodeCommandHandler.cs
index c6747dd..6fe9ac1 100644
--- a/backend/src/PnvPanel.Application/Admin/Nodes/DeleteNodeCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Nodes/DeleteNodeCommandHandler.cs
@@ -1,6 +1,6 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Audit;
 
diff --git a/backend/src/PnvPanel.Application/Admin/Nodes/ListNodesQuery.cs b/backend/src/PnvPanel.Application/Admin/Nodes/ListNodesQuery.cs
index e5aa661..7d93bbc 100644
--- a/backend/src/PnvPanel.Application/Admin/Nodes/ListNodesQuery.cs
+++ b/backend/src/PnvPanel.Application/Admin/Nodes/ListNodesQuery.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Nodes;
diff --git a/backend/src/PnvPanel.Application/Admin/Nodes/ListNodesQueryHandler.cs b/backend/src/PnvPanel.Application/Admin/Nodes/ListNodesQueryHandler.cs
index 7b866ff..ad00585 100644
--- a/backend/src/PnvPanel.Application/Admin/Nodes/ListNodesQueryHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Nodes/ListNodesQueryHandler.cs
@@ -1,6 +1,6 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Nodes;
diff --git a/backend/src/PnvPanel.Application/Admin/Nodes/ProbeNodeCommand.cs b/backend/src/PnvPanel.Application/Admin/Nodes/ProbeNodeCommand.cs
index 794b5db..58b6210 100644
--- a/backend/src/PnvPanel.Application/Admin/Nodes/ProbeNodeCommand.cs
+++ b/backend/src/PnvPanel.Application/Admin/Nodes/ProbeNodeCommand.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Nodes;
 
diff --git a/backend/src/PnvPanel.Application/Admin/Nodes/ProbeNodeCommandHandler.cs b/backend/src/PnvPanel.Application/Admin/Nodes/ProbeNodeCommandHandler.cs
index cc17598..07332de 100644
--- a/backend/src/PnvPanel.Application/Admin/Nodes/ProbeNodeCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Nodes/ProbeNodeCommandHandler.cs
@@ -1,6 +1,6 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Nodes;
 
diff --git a/backend/src/PnvPanel.Application/Admin/Nodes/RegisterNodeCommand.cs b/backend/src/PnvPanel.Application/Admin/Nodes/RegisterNodeCommand.cs
index a00b532..675fcd1 100644
--- a/backend/src/PnvPanel.Application/Admin/Nodes/RegisterNodeCommand.cs
+++ b/backend/src/PnvPanel.Application/Admin/Nodes/RegisterNodeCommand.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Nodes;
diff --git a/backend/src/PnvPanel.Application/Admin/Nodes/RegisterNodeCommandHandler.cs b/backend/src/PnvPanel.Application/Admin/Nodes/RegisterNodeCommandHandler.cs
index fd163a8..d2f8050 100644
--- a/backend/src/PnvPanel.Application/Admin/Nodes/RegisterNodeCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Nodes/RegisterNodeCommandHandler.cs
@@ -1,5 +1,5 @@
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Audit;
 using PnvPanel.Domain.Nodes;
diff --git a/backend/src/PnvPanel.Application/Admin/Nodes/SyncNodeCommand.cs b/backend/src/PnvPanel.Application/Admin/Nodes/SyncNodeCommand.cs
index 6e4c02a..18e7a97 100644
--- a/backend/src/PnvPanel.Application/Admin/Nodes/SyncNodeCommand.cs
+++ b/backend/src/PnvPanel.Application/Admin/Nodes/SyncNodeCommand.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Nodes;
 
diff --git a/backend/src/PnvPanel.Application/Admin/Nodes/SyncNodeCommandHandler.cs b/backend/src/PnvPanel.Application/Admin/Nodes/SyncNodeCommandHandler.cs
index 08bb2ff..46b1a72 100644
--- a/backend/src/PnvPanel.Application/Admin/Nodes/SyncNodeCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Nodes/SyncNodeCommandHandler.cs
@@ -1,6 +1,6 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Inbounds;
 using PnvPanel.Domain.Nodes;
diff --git a/backend/src/PnvPanel.Application/Admin/Nodes/UpdateNodeCommand.cs b/backend/src/PnvPanel.Application/Admin/Nodes/UpdateNodeCommand.cs
index 9b92594..79be9cb 100644
--- a/backend/src/PnvPanel.Application/Admin/Nodes/UpdateNodeCommand.cs
+++ b/backend/src/PnvPanel.Application/Admin/Nodes/UpdateNodeCommand.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Nodes;
diff --git a/backend/src/PnvPanel.Application/Admin/Nodes/UpdateNodeCommandHandler.cs b/backend/src/PnvPanel.Application/Admin/Nodes/UpdateNodeCommandHandler.cs
index 897f083..a23da58 100644
--- a/backend/src/PnvPanel.Application/Admin/Nodes/UpdateNodeCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Nodes/UpdateNodeCommandHandler.cs
@@ -1,6 +1,6 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Audit;
 using PnvPanel.Domain.Nodes;
diff --git a/backend/src/PnvPanel.Application/Admin/Plans/CreatePlanCommand.cs b/backend/src/PnvPanel.Application/Admin/Plans/CreatePlanCommand.cs
index 80d004d..86d2bc1 100644
--- a/backend/src/PnvPanel.Application/Admin/Plans/CreatePlanCommand.cs
+++ b/backend/src/PnvPanel.Application/Admin/Plans/CreatePlanCommand.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Plans;
diff --git a/backend/src/PnvPanel.Application/Admin/Plans/CreatePlanCommandHandler.cs b/backend/src/PnvPanel.Application/Admin/Plans/CreatePlanCommandHandler.cs
index aebec6c..8a0c357 100644
--- a/backend/src/PnvPanel.Application/Admin/Plans/CreatePlanCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Plans/CreatePlanCommandHandler.cs
@@ -1,5 +1,5 @@
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Plans;
 
diff --git a/backend/src/PnvPanel.Application/Admin/Plans/DeletePlanCommand.cs b/backend/src/PnvPanel.Application/Admin/Plans/DeletePlanCommand.cs
index 88d4a0f..0a642fb 100644
--- a/backend/src/PnvPanel.Application/Admin/Plans/DeletePlanCommand.cs
+++ b/backend/src/PnvPanel.Application/Admin/Plans/DeletePlanCommand.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Plans;
diff --git a/backend/src/PnvPanel.Application/Admin/Plans/DeletePlanCommandHandler.cs b/backend/src/PnvPanel.Application/Admin/Plans/DeletePlanCommandHandler.cs
index 92c4eae..acdac38 100644
--- a/backend/src/PnvPanel.Application/Admin/Plans/DeletePlanCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Plans/DeletePlanCommandHandler.cs
@@ -1,6 +1,6 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Application.Plans;
 
diff --git a/backend/src/PnvPanel.Application/Admin/Plans/ListAdminPlansQuery.cs b/backend/src/PnvPanel.Application/Admin/Plans/ListAdminPlansQuery.cs
index 7bf5a43..1b131dc 100644
--- a/backend/src/PnvPanel.Application/Admin/Plans/ListAdminPlansQuery.cs
+++ b/backend/src/PnvPanel.Application/Admin/Plans/ListAdminPlansQuery.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Plans;
diff --git a/backend/src/PnvPanel.Application/Admin/Plans/ListAdminPlansQueryHandler.cs b/backend/src/PnvPanel.Application/Admin/Plans/ListAdminPlansQueryHandler.cs
index d6dbae6..4872e2f 100644
--- a/backend/src/PnvPanel.Application/Admin/Plans/ListAdminPlansQueryHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Plans/ListAdminPlansQueryHandler.cs
@@ -1,6 +1,6 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Plans;
diff --git a/backend/src/PnvPanel.Application/Admin/Plans/UpdatePlanCommand.cs b/backend/src/PnvPanel.Application/Admin/Plans/UpdatePlanCommand.cs
index 168e975..bb4e31a 100644
--- a/backend/src/PnvPanel.Application/Admin/Plans/UpdatePlanCommand.cs
+++ b/backend/src/PnvPanel.Application/Admin/Plans/UpdatePlanCommand.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Plans;
diff --git a/backend/src/PnvPanel.Application/Admin/Plans/UpdatePlanCommandHandler.cs b/backend/src/PnvPanel.Application/Admin/Plans/UpdatePlanCommandHandler.cs
index c0fba26..4681764 100644
--- a/backend/src/PnvPanel.Application/Admin/Plans/UpdatePlanCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Plans/UpdatePlanCommandHandler.cs
@@ -1,6 +1,6 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Application.Plans;
 
diff --git a/backend/src/PnvPanel.Application/Admin/Pricing/GetPricingSettingsQuery.cs b/backend/src/PnvPanel.Application/Admin/Pricing/GetPricingSettingsQuery.cs
index 27e0709..9401895 100644
--- a/backend/src/PnvPanel.Application/Admin/Pricing/GetPricingSettingsQuery.cs
+++ b/backend/src/PnvPanel.Application/Admin/Pricing/GetPricingSettingsQuery.cs
@@ -1,5 +1,5 @@
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Pricing;
diff --git a/backend/src/PnvPanel.Application/Admin/Pricing/GetPricingSettingsQueryHandler.cs b/backend/src/PnvPanel.Application/Admin/Pricing/GetPricingSettingsQueryHandler.cs
index 877c2a6..7424054 100644
--- a/backend/src/PnvPanel.Application/Admin/Pricing/GetPricingSettingsQueryHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Pricing/GetPricingSettingsQueryHandler.cs
@@ -1,6 +1,6 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Pricing;
diff --git a/backend/src/PnvPanel.Application/Admin/Pricing/UpdatePricingSettingsCommand.cs b/backend/src/PnvPanel.Application/Admin/Pricing/UpdatePricingSettingsCommand.cs
index 3be8123..085fba2 100644
--- a/backend/src/PnvPanel.Application/Admin/Pricing/UpdatePricingSettingsCommand.cs
+++ b/backend/src/PnvPanel.Application/Admin/Pricing/UpdatePricingSettingsCommand.cs
@@ -1,5 +1,5 @@
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Pricing;
diff --git a/backend/src/PnvPanel.Application/Admin/Pricing/UpdatePricingSettingsCommandHandler.cs b/backend/src/PnvPanel.Application/Admin/Pricing/UpdatePricingSettingsCommandHandler.cs
index f083a01..7433fa2 100644
--- a/backend/src/PnvPanel.Application/Admin/Pricing/UpdatePricingSettingsCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Pricing/UpdatePricingSettingsCommandHandler.cs
@@ -1,6 +1,6 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Pricing;
 
diff --git a/backend/src/PnvPanel.Application/Admin/Roles/CreateRoleCommand.cs b/backend/src/PnvPanel.Application/Admin/Roles/CreateRoleCommand.cs
index d847d8f..6b4317d 100644
--- a/backend/src/PnvPanel.Application/Admin/Roles/CreateRoleCommand.cs
+++ b/backend/src/PnvPanel.Application/Admin/Roles/CreateRoleCommand.cs
@@ -1,5 +1,5 @@
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Roles;
diff --git a/backend/src/PnvPanel.Application/Admin/Roles/CreateRoleCommandHandler.cs b/backend/src/PnvPanel.Application/Admin/Roles/CreateRoleCommandHandler.cs
index c22edf9..4ad146d 100644
--- a/backend/src/PnvPanel.Application/Admin/Roles/CreateRoleCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Roles/CreateRoleCommandHandler.cs
@@ -1,5 +1,5 @@
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Roles;
diff --git a/backend/src/PnvPanel.Application/Admin/Roles/DeleteRoleCommand.cs b/backend/src/PnvPanel.Application/Admin/Roles/DeleteRoleCommand.cs
index a67395f..9c2e336 100644
--- a/backend/src/PnvPanel.Application/Admin/Roles/DeleteRoleCommand.cs
+++ b/backend/src/PnvPanel.Application/Admin/Roles/DeleteRoleCommand.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Roles;
diff --git a/backend/src/PnvPanel.Application/Admin/Roles/DeleteRoleCommandHandler.cs b/backend/src/PnvPanel.Application/Admin/Roles/DeleteRoleCommandHandler.cs
index 9b999ed..23eaf05 100644
--- a/backend/src/PnvPanel.Application/Admin/Roles/DeleteRoleCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Roles/DeleteRoleCommandHandler.cs
@@ -1,5 +1,5 @@
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Roles;
diff --git a/backend/src/PnvPanel.Application/Admin/Roles/ListRolesQuery.cs b/backend/src/PnvPanel.Application/Admin/Roles/ListRolesQuery.cs
index 80f2419..3c269fd 100644
--- a/backend/src/PnvPanel.Application/Admin/Roles/ListRolesQuery.cs
+++ b/backend/src/PnvPanel.Application/Admin/Roles/ListRolesQuery.cs
@@ -1,5 +1,5 @@
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Roles;
diff --git a/backend/src/PnvPanel.Application/Admin/Roles/ListRolesQueryHandler.cs b/backend/src/PnvPanel.Application/Admin/Roles/ListRolesQueryHandler.cs
index b33d3c7..7e0c7c1 100644
--- a/backend/src/PnvPanel.Application/Admin/Roles/ListRolesQueryHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Roles/ListRolesQueryHandler.cs
@@ -1,5 +1,5 @@
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Roles;
diff --git a/backend/src/PnvPanel.Application/Admin/Roles/UpdateRoleCommand.cs b/backend/src/PnvPanel.Application/Admin/Roles/UpdateRoleCommand.cs
index 9e9dc55..b72438f 100644
--- a/backend/src/PnvPanel.Application/Admin/Roles/UpdateRoleCommand.cs
+++ b/backend/src/PnvPanel.Application/Admin/Roles/UpdateRoleCommand.cs
@@ -1,5 +1,5 @@
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Roles;
diff --git a/backend/src/PnvPanel.Application/Admin/Roles/UpdateRoleCommandHandler.cs b/backend/src/PnvPanel.Application/Admin/Roles/UpdateRoleCommandHandler.cs
index 723bd2a..da42e8e 100644
--- a/backend/src/PnvPanel.Application/Admin/Roles/UpdateRoleCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Roles/UpdateRoleCommandHandler.cs
@@ -1,5 +1,5 @@
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Roles;
diff --git a/backend/src/PnvPanel.Application/Admin/Stats/GetStatsQuery.cs b/backend/src/PnvPanel.Application/Admin/Stats/GetStatsQuery.cs
index a20e4f8..6d8d267 100644
--- a/backend/src/PnvPanel.Application/Admin/Stats/GetStatsQuery.cs
+++ b/backend/src/PnvPanel.Application/Admin/Stats/GetStatsQuery.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Stats;
diff --git a/backend/src/PnvPanel.Application/Admin/Stats/GetStatsQueryHandler.cs b/backend/src/PnvPanel.Application/Admin/Stats/GetStatsQueryHandler.cs
index 758bb85..3559229 100644
--- a/backend/src/PnvPanel.Application/Admin/Stats/GetStatsQueryHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Stats/GetStatsQueryHandler.cs
@@ -1,6 +1,6 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Activation;
 using PnvPanel.Domain.Configs;
diff --git a/backend/src/PnvPanel.Application/Admin/Support/ApproveExtensionRequestCommand.cs b/backend/src/PnvPanel.Application/Admin/Support/ApproveExtensionRequestCommand.cs
index 1f9d34c..f470a1e 100644
--- a/backend/src/PnvPanel.Application/Admin/Support/ApproveExtensionRequestCommand.cs
+++ b/backend/src/PnvPanel.Application/Admin/Support/ApproveExtensionRequestCommand.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Support;
diff --git a/backend/src/PnvPanel.Application/Admin/Support/ApproveExtensionRequestCommandHandler.cs b/backend/src/PnvPanel.Application/Admin/Support/ApproveExtensionRequestCommandHandler.cs
index 5e3d051..af67769 100644
--- a/backend/src/PnvPanel.Application/Admin/Support/ApproveExtensionRequestCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Support/ApproveExtensionRequestCommandHandler.cs
@@ -4,7 +4,7 @@ using PnvPanel.Application.Auth;
 using PnvPanel.Application.Billing;
 using PnvPanel.Application.Common.Concurrency;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Application.Support;
 using PnvPanel.Domain.Audit;
diff --git a/backend/src/PnvPanel.Application/Admin/Support/CloseTicketCommand.cs b/backend/src/PnvPanel.Application/Admin/Support/CloseTicketCommand.cs
index 8f46d18..22e3f3e 100644
--- a/backend/src/PnvPanel.Application/Admin/Support/CloseTicketCommand.cs
+++ b/backend/src/PnvPanel.Application/Admin/Support/CloseTicketCommand.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Support;
diff --git a/backend/src/PnvPanel.Application/Admin/Support/CloseTicketCommandHandler.cs b/backend/src/PnvPanel.Application/Admin/Support/CloseTicketCommandHandler.cs
index a48f8c5..554c6c2 100644
--- a/backend/src/PnvPanel.Application/Admin/Support/CloseTicketCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Support/CloseTicketCommandHandler.cs
@@ -1,7 +1,7 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Auth;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Application.Support;
 using PnvPanel.Domain.Audit;
diff --git a/backend/src/PnvPanel.Application/Admin/Support/GetTicketAdminQuery.cs b/backend/src/PnvPanel.Application/Admin/Support/GetTicketAdminQuery.cs
index 17f24d4..fc14c5c 100644
--- a/backend/src/PnvPanel.Application/Admin/Support/GetTicketAdminQuery.cs
+++ b/backend/src/PnvPanel.Application/Admin/Support/GetTicketAdminQuery.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Application.Support;
 
diff --git a/backend/src/PnvPanel.Application/Admin/Support/GetTicketAdminQueryHandler.cs b/backend/src/PnvPanel.Application/Admin/Support/GetTicketAdminQueryHandler.cs
index 91db1d5..611c7d7 100644
--- a/backend/src/PnvPanel.Application/Admin/Support/GetTicketAdminQueryHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Support/GetTicketAdminQueryHandler.cs
@@ -1,6 +1,6 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Application.Support;
 
diff --git a/backend/src/PnvPanel.Application/Admin/Support/ListAllTicketsQuery.cs b/backend/src/PnvPanel.Application/Admin/Support/ListAllTicketsQuery.cs
index f673bdf..2b25efc 100644
--- a/backend/src/PnvPanel.Application/Admin/Support/ListAllTicketsQuery.cs
+++ b/backend/src/PnvPanel.Application/Admin/Support/ListAllTicketsQuery.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Application.Support;
 using PnvPanel.Domain.Support;
diff --git a/backend/src/PnvPanel.Application/Admin/Support/ListAllTicketsQueryHandler.cs b/backend/src/PnvPanel.Application/Admin/Support/ListAllTicketsQueryHandler.cs
index b47e29c..cf8f615 100644
--- a/backend/src/PnvPanel.Application/Admin/Support/ListAllTicketsQueryHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Support/ListAllTicketsQueryHandler.cs
@@ -1,6 +1,6 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Application.Support;
 
diff --git a/backend/src/PnvPanel.Application/Admin/Support/RejectExtensionRequestCommand.cs b/backend/src/PnvPanel.Application/Admin/Support/RejectExtensionRequestCommand.cs
index 3a5e662..8027f26 100644
--- a/backend/src/PnvPanel.Application/Admin/Support/RejectExtensionRequestCommand.cs
+++ b/backend/src/PnvPanel.Application/Admin/Support/RejectExtensionRequestCommand.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Support;
diff --git a/backend/src/PnvPanel.Application/Admin/Support/RejectExtensionRequestCommandHandler.cs b/backend/src/PnvPanel.Application/Admin/Support/RejectExtensionRequestCommandHandler.cs
index 9e3de92..ca19e37 100644
--- a/backend/src/PnvPanel.Application/Admin/Support/RejectExtensionRequestCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Support/RejectExtensionRequestCommandHandler.cs
@@ -2,7 +2,7 @@ using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Auth;
 using PnvPanel.Application.Common.Concurrency;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Application.Support;
 using PnvPanel.Domain.Audit;
diff --git a/backend/src/PnvPanel.Application/Admin/Support/ResolveTicketCommand.cs b/backend/src/PnvPanel.Application/Admin/Support/ResolveTicketCommand.cs
index cca33dd..80d75d8 100644
--- a/backend/src/PnvPanel.Application/Admin/Support/ResolveTicketCommand.cs
+++ b/backend/src/PnvPanel.Application/Admin/Support/ResolveTicketCommand.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Support;
diff --git a/backend/src/PnvPanel.Application/Admin/Support/ResolveTicketCommandHandler.cs b/backend/src/PnvPanel.Application/Admin/Support/ResolveTicketCommandHandler.cs
index 388deb0..8d108a4 100644
--- a/backend/src/PnvPanel.Application/Admin/Support/ResolveTicketCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Support/ResolveTicketCommandHandler.cs
@@ -1,7 +1,7 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Auth;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Application.Support;
 using PnvPanel.Domain.Audit;
diff --git a/backend/src/PnvPanel.Application/Admin/Users/AdminSetUserPlanCommand.cs b/backend/src/PnvPanel.Application/Admin/Users/AdminSetUserPlanCommand.cs
index 3c5fb6d..210eba1 100644
--- a/backend/src/PnvPanel.Application/Admin/Users/AdminSetUserPlanCommand.cs
+++ b/backend/src/PnvPanel.Application/Admin/Users/AdminSetUserPlanCommand.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Users;
diff --git a/backend/src/PnvPanel.Application/Admin/Users/AdminSetUserPlanCommandHandler.cs b/backend/src/PnvPanel.Application/Admin/Users/AdminSetUserPlanCommandHandler.cs
index 5428e52..7f0afa3 100644
--- a/backend/src/PnvPanel.Application/Admin/Users/AdminSetUserPlanCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Users/AdminSetUserPlanCommandHandler.cs
@@ -1,6 +1,6 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Application.Plans;
 using PnvPanel.Domain.Audit;
diff --git a/backend/src/PnvPanel.Application/Admin/Users/BlockUserCommand.cs b/backend/src/PnvPanel.Application/Admin/Users/BlockUserCommand.cs
index 7641dc6..e25df52 100644
--- a/backend/src/PnvPanel.Application/Admin/Users/BlockUserCommand.cs
+++ b/backend/src/PnvPanel.Application/Admin/Users/BlockUserCommand.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Users;
diff --git a/backend/src/PnvPanel.Application/Admin/Users/BlockUserCommandHandler.cs b/backend/src/PnvPanel.Application/Admin/Users/BlockUserCommandHandler.cs
index 9f2980a..a24b941 100644
--- a/backend/src/PnvPanel.Application/Admin/Users/BlockUserCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Users/BlockUserCommandHandler.cs
@@ -1,7 +1,7 @@
 using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.Logging;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Audit;
 using PnvPanel.Domain.Configs;
diff --git a/backend/src/PnvPanel.Application/Admin/Users/ChangeUserRoleCommand.cs b/backend/src/PnvPanel.Application/Admin/Users/ChangeUserRoleCommand.cs
index 6cbc2cd..e6bee4e 100644
--- a/backend/src/PnvPanel.Application/Admin/Users/ChangeUserRoleCommand.cs
+++ b/backend/src/PnvPanel.Application/Admin/Users/ChangeUserRoleCommand.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Users;
diff --git a/backend/src/PnvPanel.Application/Admin/Users/ChangeUserRoleCommandHandler.cs b/backend/src/PnvPanel.Application/Admin/Users/ChangeUserRoleCommandHandler.cs
index 6d7dfdd..04c14e9 100644
--- a/backend/src/PnvPanel.Application/Admin/Users/ChangeUserRoleCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Users/ChangeUserRoleCommandHandler.cs
@@ -1,5 +1,5 @@
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Audit;
 
diff --git a/backend/src/PnvPanel.Application/Admin/Users/DeleteUserCommand.cs b/backend/src/PnvPanel.Application/Admin/Users/DeleteUserCommand.cs
index 38195ac..91d0a0f 100644
--- a/backend/src/PnvPanel.Application/Admin/Users/DeleteUserCommand.cs
+++ b/backend/src/PnvPanel.Application/Admin/Users/DeleteUserCommand.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Users;
diff --git a/backend/src/PnvPanel.Application/Admin/Users/DeleteUserCommandHandler.cs b/backend/src/PnvPanel.Application/Admin/Users/DeleteUserCommandHandler.cs
index 87d29f6..f51ab60 100644
--- a/backend/src/PnvPanel.Application/Admin/Users/DeleteUserCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Users/DeleteUserCommandHandler.cs
@@ -1,7 +1,7 @@
 using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.Logging;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Application.Configs;
 using PnvPanel.Domain.Audit;
diff --git a/backend/src/PnvPanel.Application/Admin/Users/ForceRevokeConfigCommand.cs b/backend/src/PnvPanel.Application/Admin/Users/ForceRevokeConfigCommand.cs
index bcb05f5..9b4cc5f 100644
--- a/backend/src/PnvPanel.Application/Admin/Users/ForceRevokeConfigCommand.cs
+++ b/backend/src/PnvPanel.Application/Admin/Users/ForceRevokeConfigCommand.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Users;
diff --git a/backend/src/PnvPanel.Application/Admin/Users/ForceRevokeConfigCommandHandler.cs b/backend/src/PnvPanel.Application/Admin/Users/ForceRevokeConfigCommandHandler.cs
index aca63f2..477b2ed 100644
--- a/backend/src/PnvPanel.Application/Admin/Users/ForceRevokeConfigCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Users/ForceRevokeConfigCommandHandler.cs
@@ -1,7 +1,7 @@
 using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.Logging;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Application.Configs;
 using PnvPanel.Domain.Audit;
diff --git a/backend/src/PnvPanel.Application/Admin/Users/GetUserConfigsQuery.cs b/backend/src/PnvPanel.Application/Admin/Users/GetUserConfigsQuery.cs
index ca8ef9d..ee9a73c 100644
--- a/backend/src/PnvPanel.Application/Admin/Users/GetUserConfigsQuery.cs
+++ b/backend/src/PnvPanel.Application/Admin/Users/GetUserConfigsQuery.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Application.Configs;
 
diff --git a/backend/src/PnvPanel.Application/Admin/Users/GetUserConfigsQueryHandler.cs b/backend/src/PnvPanel.Application/Admin/Users/GetUserConfigsQueryHandler.cs
index 8650051..19763c2 100644
--- a/backend/src/PnvPanel.Application/Admin/Users/GetUserConfigsQueryHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Users/GetUserConfigsQueryHandler.cs
@@ -1,6 +1,6 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Application.Configs;
 using PnvPanel.Domain.Configs;
diff --git a/backend/src/PnvPanel.Application/Admin/Users/ListUsersQuery.cs b/backend/src/PnvPanel.Application/Admin/Users/ListUsersQuery.cs
index d335463..1c28f43 100644
--- a/backend/src/PnvPanel.Application/Admin/Users/ListUsersQuery.cs
+++ b/backend/src/PnvPanel.Application/Admin/Users/ListUsersQuery.cs
@@ -1,5 +1,5 @@
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Users;
diff --git a/backend/src/PnvPanel.Application/Admin/Users/ListUsersQueryHandler.cs b/backend/src/PnvPanel.Application/Admin/Users/ListUsersQueryHandler.cs
index ae77375..dc06b93 100644
--- a/backend/src/PnvPanel.Application/Admin/Users/ListUsersQueryHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Users/ListUsersQueryHandler.cs
@@ -1,6 +1,6 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Billing;
 
diff --git a/backend/src/PnvPanel.Application/Admin/Users/ResetUserPasswordCommand.cs b/backend/src/PnvPanel.Application/Admin/Users/ResetUserPasswordCommand.cs
index 48a7f69..0fdb340 100644
--- a/backend/src/PnvPanel.Application/Admin/Users/ResetUserPasswordCommand.cs
+++ b/backend/src/PnvPanel.Application/Admin/Users/ResetUserPasswordCommand.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Users;
diff --git a/backend/src/PnvPanel.Application/Admin/Users/ResetUserPasswordCommandHandler.cs b/backend/src/PnvPanel.Application/Admin/Users/ResetUserPasswordCommandHandler.cs
index 5aba190..f15fc9e 100644
--- a/backend/src/PnvPanel.Application/Admin/Users/ResetUserPasswordCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Users/ResetUserPasswordCommandHandler.cs
@@ -1,5 +1,5 @@
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Audit;
 
diff --git a/backend/src/PnvPanel.Application/Admin/Users/UnblockUserCommand.cs b/backend/src/PnvPanel.Application/Admin/Users/UnblockUserCommand.cs
index 9905e39..ef03879 100644
--- a/backend/src/PnvPanel.Application/Admin/Users/UnblockUserCommand.cs
+++ b/backend/src/PnvPanel.Application/Admin/Users/UnblockUserCommand.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Admin.Users;
diff --git a/backend/src/PnvPanel.Application/Admin/Users/UnblockUserCommandHandler.cs b/backend/src/PnvPanel.Application/Admin/Users/UnblockUserCommandHandler.cs
index 18b61a1..861e503 100644
--- a/backend/src/PnvPanel.Application/Admin/Users/UnblockUserCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Admin/Users/UnblockUserCommandHandler.cs
@@ -1,7 +1,7 @@
 using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.Logging;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Audit;
 using PnvPanel.Domain.Configs;
diff --git a/backend/src/PnvPanel.Application/Apps/ListAppsQuery.cs b/backend/src/PnvPanel.Application/Apps/ListAppsQuery.cs
index 6ab079c..ccf459a 100644
--- a/backend/src/PnvPanel.Application/Apps/ListAppsQuery.cs
+++ b/backend/src/PnvPanel.Application/Apps/ListAppsQuery.cs
@@ -1,4 +1,5 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
+using PnvPanel.Application.Common.Behaviors;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Apps;
 
diff --git a/backend/src/PnvPanel.Application/Apps/ListAppsQueryHandler.cs b/backend/src/PnvPanel.Application/Apps/ListAppsQueryHandler.cs
index 0b76a9a..294e882 100644
--- a/backend/src/PnvPanel.Application/Apps/ListAppsQueryHandler.cs
+++ b/backend/src/PnvPanel.Application/Apps/ListAppsQueryHandler.cs
@@ -1,6 +1,6 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Apps;
 
diff --git a/backend/src/PnvPanel.Application/Auth/ChangePassword/ChangePasswordCommand.cs b/backend/src/PnvPanel.Application/Auth/ChangePassword/ChangePasswordCommand.cs
index f243757..a795ad6 100644
--- a/backend/src/PnvPanel.Application/Auth/ChangePassword/ChangePasswordCommand.cs
+++ b/backend/src/PnvPanel.Application/Auth/ChangePassword/ChangePasswordCommand.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Auth.ChangePassword;
diff --git a/backend/src/PnvPanel.Application/Auth/ChangePassword/ChangePasswordCommandHandler.cs b/backend/src/PnvPanel.Application/Auth/ChangePassword/ChangePasswordCommandHandler.cs
index e58df70..98b0a38 100644
--- a/backend/src/PnvPanel.Application/Auth/ChangePassword/ChangePasswordCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Auth/ChangePassword/ChangePasswordCommandHandler.cs
@@ -1,5 +1,5 @@
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Auth.ChangePassword;
diff --git a/backend/src/PnvPanel.Application/Auth/ChangeUserName/ChangeUserNameCommand.cs b/backend/src/PnvPanel.Application/Auth/ChangeUserName/ChangeUserNameCommand.cs
index 45839b3..b95ce31 100644
--- a/backend/src/PnvPanel.Application/Auth/ChangeUserName/ChangeUserNameCommand.cs
+++ b/backend/src/PnvPanel.Application/Auth/ChangeUserName/ChangeUserNameCommand.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Auth.ChangeUserName;
diff --git a/backend/src/PnvPanel.Application/Auth/ChangeUserName/ChangeUserNameCommandHandler.cs b/backend/src/PnvPanel.Application/Auth/ChangeUserName/ChangeUserNameCommandHandler.cs
index 6ac81a4..fed8d09 100644
--- a/backend/src/PnvPanel.Application/Auth/ChangeUserName/ChangeUserNameCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Auth/ChangeUserName/ChangeUserNameCommandHandler.cs
@@ -1,5 +1,5 @@
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Auth.ChangeUserName;
diff --git a/backend/src/PnvPanel.Application/Auth/DeleteMyAccount/DeleteMyAccountCommand.cs b/backend/src/PnvPanel.Application/Auth/DeleteMyAccount/DeleteMyAccountCommand.cs
index d76567e..fad03e8 100644
--- a/backend/src/PnvPanel.Application/Auth/DeleteMyAccount/DeleteMyAccountCommand.cs
+++ b/backend/src/PnvPanel.Application/Auth/DeleteMyAccount/DeleteMyAccountCommand.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Auth.DeleteMyAccount;
diff --git a/backend/src/PnvPanel.Application/Auth/DeleteMyAccount/DeleteMyAccountCommandHandler.cs b/backend/src/PnvPanel.Application/Auth/DeleteMyAccount/DeleteMyAccountCommandHandler.cs
index 6e875b3..fc505b5 100644
--- a/backend/src/PnvPanel.Application/Auth/DeleteMyAccount/DeleteMyAccountCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Auth/DeleteMyAccount/DeleteMyAccountCommandHandler.cs
@@ -1,7 +1,7 @@
 using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.Logging;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Application.Configs;
 using PnvPanel.Domain.Configs;
diff --git a/backend/src/PnvPanel.Application/Auth/Login/LoginCommand.cs b/backend/src/PnvPanel.Application/Auth/Login/LoginCommand.cs
index 09a63a3..d1eb64f 100644
--- a/backend/src/PnvPanel.Application/Auth/Login/LoginCommand.cs
+++ b/backend/src/PnvPanel.Application/Auth/Login/LoginCommand.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Auth.Login;
diff --git a/backend/src/PnvPanel.Application/Auth/Login/LoginCommandHandler.cs b/backend/src/PnvPanel.Application/Auth/Login/LoginCommandHandler.cs
index 90bec2a..22f9bae 100644
--- a/backend/src/PnvPanel.Application/Auth/Login/LoginCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Auth/Login/LoginCommandHandler.cs
@@ -1,5 +1,5 @@
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Auth.Login;
diff --git a/backend/src/PnvPanel.Application/Auth/Logout/LogoutCommand.cs b/backend/src/PnvPanel.Application/Auth/Logout/LogoutCommand.cs
index 7a490cb..e48a9c5 100644
--- a/backend/src/PnvPanel.Application/Auth/Logout/LogoutCommand.cs
+++ b/backend/src/PnvPanel.Application/Auth/Logout/LogoutCommand.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Auth.Logout;
diff --git a/backend/src/PnvPanel.Application/Auth/Logout/LogoutCommandHandler.cs b/backend/src/PnvPanel.Application/Auth/Logout/LogoutCommandHandler.cs
index 64bdf7a..b78e819 100644
--- a/backend/src/PnvPanel.Application/Auth/Logout/LogoutCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Auth/Logout/LogoutCommandHandler.cs
@@ -1,5 +1,5 @@
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Auth.Logout;
diff --git a/backend/src/PnvPanel.Application/Auth/Me/GetCurrentUserQuery.cs b/backend/src/PnvPanel.Application/Auth/Me/GetCurrentUserQuery.cs
index d9f9b64..3a20848 100644
--- a/backend/src/PnvPanel.Application/Auth/Me/GetCurrentUserQuery.cs
+++ b/backend/src/PnvPanel.Application/Auth/Me/GetCurrentUserQuery.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Auth.Me;
diff --git a/backend/src/PnvPanel.Application/Auth/Me/GetCurrentUserQueryHandler.cs b/backend/src/PnvPanel.Application/Auth/Me/GetCurrentUserQueryHandler.cs
index 57573a7..aed42d1 100644
--- a/backend/src/PnvPanel.Application/Auth/Me/GetCurrentUserQueryHandler.cs
+++ b/backend/src/PnvPanel.Application/Auth/Me/GetCurrentUserQueryHandler.cs
@@ -1,5 +1,5 @@
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Auth.Me;
diff --git a/backend/src/PnvPanel.Application/Auth/Refresh/RefreshCommand.cs b/backend/src/PnvPanel.Application/Auth/Refresh/RefreshCommand.cs
index c0c6ee5..80afca6 100644
--- a/backend/src/PnvPanel.Application/Auth/Refresh/RefreshCommand.cs
+++ b/backend/src/PnvPanel.Application/Auth/Refresh/RefreshCommand.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Auth.Refresh;
diff --git a/backend/src/PnvPanel.Application/Auth/Refresh/RefreshCommandHandler.cs b/backend/src/PnvPanel.Application/Auth/Refresh/RefreshCommandHandler.cs
index 3b0a34c..961c3f7 100644
--- a/backend/src/PnvPanel.Application/Auth/Refresh/RefreshCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Auth/Refresh/RefreshCommandHandler.cs
@@ -1,5 +1,5 @@
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Auth.Refresh;
diff --git a/backend/src/PnvPanel.Application/Auth/Register/RegisterCommand.cs b/backend/src/PnvPanel.Application/Auth/Register/RegisterCommand.cs
index 8033ecf..54a7a8e 100644
--- a/backend/src/PnvPanel.Application/Auth/Register/RegisterCommand.cs
+++ b/backend/src/PnvPanel.Application/Auth/Register/RegisterCommand.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Auth.Register;
diff --git a/backend/src/PnvPanel.Application/Auth/Register/RegisterCommandHandler.cs b/backend/src/PnvPanel.Application/Auth/Register/RegisterCommandHandler.cs
index 8b64bae..38a9f33 100644
--- a/backend/src/PnvPanel.Application/Auth/Register/RegisterCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Auth/Register/RegisterCommandHandler.cs
@@ -1,5 +1,5 @@
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Auth.Register;
diff --git a/backend/src/PnvPanel.Application/Billing/CancelPaymentRequest/CancelPaymentRequestCommand.cs b/backend/src/PnvPanel.Application/Billing/CancelPaymentRequest/CancelPaymentRequestCommand.cs
index 4ab22cc..b016643 100644
--- a/backend/src/PnvPanel.Application/Billing/CancelPaymentRequest/CancelPaymentRequestCommand.cs
+++ b/backend/src/PnvPanel.Application/Billing/CancelPaymentRequest/CancelPaymentRequestCommand.cs
@@ -1,4 +1,5 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
+using PnvPanel.Application.Common.Behaviors;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Billing.CancelPaymentRequest;
diff --git a/backend/src/PnvPanel.Application/Billing/CancelPaymentRequest/CancelPaymentRequestCommandHandler.cs b/backend/src/PnvPanel.Application/Billing/CancelPaymentRequest/CancelPaymentRequestCommandHandler.cs
index 1c8562e..8f61db5 100644
--- a/backend/src/PnvPanel.Application/Billing/CancelPaymentRequest/CancelPaymentRequestCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Billing/CancelPaymentRequest/CancelPaymentRequestCommandHandler.cs
@@ -1,7 +1,7 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Auth;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Billing;
 
diff --git a/backend/src/PnvPanel.Application/Billing/CreatePaymentRequest/CreatePaymentRequestCommand.cs b/backend/src/PnvPanel.Application/Billing/CreatePaymentRequest/CreatePaymentRequestCommand.cs
index 6b17499..156374f 100644
--- a/backend/src/PnvPanel.Application/Billing/CreatePaymentRequest/CreatePaymentRequestCommand.cs
+++ b/backend/src/PnvPanel.Application/Billing/CreatePaymentRequest/CreatePaymentRequestCommand.cs
@@ -1,4 +1,5 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
+using PnvPanel.Application.Common.Behaviors;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Billing;
 
diff --git a/backend/src/PnvPanel.Application/Billing/CreatePaymentRequest/CreatePaymentRequestCommandHandler.cs b/backend/src/PnvPanel.Application/Billing/CreatePaymentRequest/CreatePaymentRequestCommandHandler.cs
index 692c551..2bfd88f 100644
--- a/backend/src/PnvPanel.Application/Billing/CreatePaymentRequest/CreatePaymentRequestCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Billing/CreatePaymentRequest/CreatePaymentRequestCommandHandler.cs
@@ -2,7 +2,7 @@ using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Auth;
 using PnvPanel.Application.Common.Concurrency;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Billing;
 using PnvPanel.Domain.Pricing;
diff --git a/backend/src/PnvPanel.Application/Billing/GetMyBillingStatus/GetMyBillingStatusQuery.cs b/backend/src/PnvPanel.Application/Billing/GetMyBillingStatus/GetMyBillingStatusQuery.cs
index 5966417..15d4ee7 100644
--- a/backend/src/PnvPanel.Application/Billing/GetMyBillingStatus/GetMyBillingStatusQuery.cs
+++ b/backend/src/PnvPanel.Application/Billing/GetMyBillingStatus/GetMyBillingStatusQuery.cs
@@ -1,4 +1,5 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
+using PnvPanel.Application.Common.Behaviors;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Billing.GetMyBillingStatus;
diff --git a/backend/src/PnvPanel.Application/Billing/GetMyBillingStatus/GetMyBillingStatusQueryHandler.cs b/backend/src/PnvPanel.Application/Billing/GetMyBillingStatus/GetMyBillingStatusQueryHandler.cs
index 13f25ca..e6c17bf 100644
--- a/backend/src/PnvPanel.Application/Billing/GetMyBillingStatus/GetMyBillingStatusQueryHandler.cs
+++ b/backend/src/PnvPanel.Application/Billing/GetMyBillingStatus/GetMyBillingStatusQueryHandler.cs
@@ -1,7 +1,7 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Auth;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Billing;
 
diff --git a/backend/src/PnvPanel.Application/Billing/MarkPaymentSent/MarkPaymentSentCommand.cs b/backend/src/PnvPanel.Application/Billing/MarkPaymentSent/MarkPaymentSentCommand.cs
index 58afc2a..c3d9b32 100644
--- a/backend/src/PnvPanel.Application/Billing/MarkPaymentSent/MarkPaymentSentCommand.cs
+++ b/backend/src/PnvPanel.Application/Billing/MarkPaymentSent/MarkPaymentSentCommand.cs
@@ -1,4 +1,5 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
+using PnvPanel.Application.Common.Behaviors;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Billing.MarkPaymentSent;
diff --git a/backend/src/PnvPanel.Application/Billing/MarkPaymentSent/MarkPaymentSentCommandHandler.cs b/backend/src/PnvPanel.Application/Billing/MarkPaymentSent/MarkPaymentSentCommandHandler.cs
index d966865..5af026b 100644
--- a/backend/src/PnvPanel.Application/Billing/MarkPaymentSent/MarkPaymentSentCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Billing/MarkPaymentSent/MarkPaymentSentCommandHandler.cs
@@ -2,7 +2,7 @@ using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.Logging;
 using PnvPanel.Application.Auth;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Billing;
 
diff --git a/backend/src/PnvPanel.Application/Billing/SendRequisitesToTelegram/SendRequisitesToTelegramCommand.cs b/backend/src/PnvPanel.Application/Billing/SendRequisitesToTelegram/SendRequisitesToTelegramCommand.cs
index a3dc5b3..583571e 100644
--- a/backend/src/PnvPanel.Application/Billing/SendRequisitesToTelegram/SendRequisitesToTelegramCommand.cs
+++ b/backend/src/PnvPanel.Application/Billing/SendRequisitesToTelegram/SendRequisitesToTelegramCommand.cs
@@ -1,4 +1,5 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
+using PnvPanel.Application.Common.Behaviors;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Billing.SendRequisitesToTelegram;
diff --git a/backend/src/PnvPanel.Application/Billing/SendRequisitesToTelegram/SendRequisitesToTelegramCommandHandler.cs b/backend/src/PnvPanel.Application/Billing/SendRequisitesToTelegram/SendRequisitesToTelegramCommandHandler.cs
index c44b574..0f0ffc8 100644
--- a/backend/src/PnvPanel.Application/Billing/SendRequisitesToTelegram/SendRequisitesToTelegramCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Billing/SendRequisitesToTelegram/SendRequisitesToTelegramCommandHandler.cs
@@ -1,7 +1,7 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Auth;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Application.Telegram;
 using PnvPanel.Domain.Billing;
diff --git a/backend/src/PnvPanel.Application/Common/Messaging/IRequiresActivation.cs b/backend/src/PnvPanel.Application/Common/Behaviors/IRequiresActivation.cs
similarity index 82%
rename from backend/src/PnvPanel.Application/Common/Messaging/IRequiresActivation.cs
rename to backend/src/PnvPanel.Application/Common/Behaviors/IRequiresActivation.cs
index fe66012..c641d3a 100644
--- a/backend/src/PnvPanel.Application/Common/Messaging/IRequiresActivation.cs
+++ b/backend/src/PnvPanel.Application/Common/Behaviors/IRequiresActivation.cs
@@ -1,4 +1,4 @@
-namespace PnvPanel.Application.Common.Messaging;
+namespace PnvPanel.Application.Common.Behaviors;
 
 /// <summary>Маркер: запрос доступен только активированным пользователям — проверяется RequireActivationBehavior.</summary>
 public interface IRequiresActivation;
diff --git a/backend/src/PnvPanel.Application/Common/Behaviors/LoggingBehavior.cs b/backend/src/PnvPanel.Application/Common/Behaviors/LoggingBehavior.cs
deleted file mode 100644
index 5858deb..0000000
--- a/backend/src/PnvPanel.Application/Common/Behaviors/LoggingBehavior.cs
+++ /dev/null
@@ -1,25 +0,0 @@
-using Microsoft.Extensions.Logging;
-using PnvPanel.Application.Common.Messaging;
-
-namespace PnvPanel.Application.Common.Behaviors;
-
-public sealed class LoggingBehavior<TRequest, TResponse>(
-    ILogger<LoggingBehavior<TRequest, TResponse>> logger
-) : IPipelineBehavior<TRequest, TResponse>
-    where TRequest : notnull
-{
-    public async Task<TResponse> Handle(
-        TRequest request,
-        RequestHandlerDelegate<TResponse> next,
-        CancellationToken cancellationToken
-    )
-    {
-        var requestName = typeof(TRequest).Name;
-        logger.LogInformation("Handling {RequestName}", requestName);
-
-        var response = await next();
-
-        logger.LogInformation("Handled {RequestName}", requestName);
-        return response;
-    }
-}
diff --git a/backend/src/PnvPanel.Application/Common/Behaviors/RequireActivationBehavior.cs b/backend/src/PnvPanel.Application/Common/Behaviors/RequireActivationBehavior.cs
index d9c5c9b..6c49a85 100644
--- a/backend/src/PnvPanel.Application/Common/Behaviors/RequireActivationBehavior.cs
+++ b/backend/src/PnvPanel.Application/Common/Behaviors/RequireActivationBehavior.cs
@@ -1,6 +1,6 @@
 using PnvPanel.Application.Auth;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Common.Behaviors;
diff --git a/backend/src/PnvPanel.Application/Common/Behaviors/UnitOfWorkBehavior.cs b/backend/src/PnvPanel.Application/Common/Behaviors/UnitOfWorkBehavior.cs
index 8988476..2afb435 100644
--- a/backend/src/PnvPanel.Application/Common/Behaviors/UnitOfWorkBehavior.cs
+++ b/backend/src/PnvPanel.Application/Common/Behaviors/UnitOfWorkBehavior.cs
@@ -1,5 +1,5 @@
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Common.Behaviors;
diff --git a/backend/src/PnvPanel.Application/Common/Behaviors/ValidationBehavior.cs b/backend/src/PnvPanel.Application/Common/Behaviors/ValidationBehavior.cs
index 4dd6d04..774f455 100644
--- a/backend/src/PnvPanel.Application/Common/Behaviors/ValidationBehavior.cs
+++ b/backend/src/PnvPanel.Application/Common/Behaviors/ValidationBehavior.cs
@@ -1,5 +1,5 @@
 using FluentValidation;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Common.Behaviors;
diff --git a/backend/src/PnvPanel.Application/Common/Interfaces/IIdentityService.cs b/backend/src/PnvPanel.Application/Common/Interfaces/IIdentityService.cs
index 845401d..60437ff 100644
--- a/backend/src/PnvPanel.Application/Common/Interfaces/IIdentityService.cs
+++ b/backend/src/PnvPanel.Application/Common/Interfaces/IIdentityService.cs
@@ -37,7 +37,7 @@ public sealed record UserSummaryDto(
     bool IsBlocked,
     DateTimeOffset? ActivatedAt,
     bool BillingEnabled,
-    DateTimeOffset? BillingPaidUntil,
+    DateTimeOffset? BillingPaidUntil,
     /// <summary>Есть Subscription-заявка на оплату в AwaitingConfirmation — конфиги не гасятся, пока
     /// админ не решит (см. BillingService). Заполняется в ListUsersQueryHandler (не здесь — Identity
     /// не должен знать про PaymentRequests), false по умолчанию для мест, не подгружающих это поле.</summary>
diff --git a/backend/src/PnvPanel.Application/Common/Messaging/ICommand.cs b/backend/src/PnvPanel.Application/Common/Messaging/ICommand.cs
deleted file mode 100644
index ae73398..0000000
--- a/backend/src/PnvPanel.Application/Common/Messaging/ICommand.cs
+++ /dev/null
@@ -1,4 +0,0 @@
-namespace PnvPanel.Application.Common.Messaging;
-
-/// <summary>Маркер команды CQRS. Команды меняют состояние и идут в транзакции (см. UnitOfWorkBehavior).</summary>
-public interface ICommand<TResponse>;
diff --git a/backend/src/PnvPanel.Application/Common/Messaging/ICommandHandler.cs b/backend/src/PnvPanel.Application/Common/Messaging/ICommandHandler.cs
deleted file mode 100644
index 8e85271..0000000
--- a/backend/src/PnvPanel.Application/Common/Messaging/ICommandHandler.cs
+++ /dev/null
@@ -1,7 +0,0 @@
-namespace PnvPanel.Application.Common.Messaging;
-
-public interface ICommandHandler<in TCommand, TResponse>
-    where TCommand : ICommand<TResponse>
-{
-    Task<TResponse> Handle(TCommand command, CancellationToken cancellationToken);
-}
diff --git a/backend/src/PnvPanel.Application/Common/Messaging/IPipelineBehavior.cs b/backend/src/PnvPanel.Application/Common/Messaging/IPipelineBehavior.cs
deleted file mode 100644
index 1445dc2..0000000
--- a/backend/src/PnvPanel.Application/Common/Messaging/IPipelineBehavior.cs
+++ /dev/null
@@ -1,12 +0,0 @@
-namespace PnvPanel.Application.Common.Messaging;
-
-public delegate Task<TResponse> RequestHandlerDelegate<TResponse>();
-
-public interface IPipelineBehavior<TRequest, TResponse>
-{
-    Task<TResponse> Handle(
-        TRequest request,
-        RequestHandlerDelegate<TResponse> next,
-        CancellationToken cancellationToken
-    );
-}
diff --git a/backend/src/PnvPanel.Application/Common/Messaging/IQuery.cs b/backend/src/PnvPanel.Application/Common/Messaging/IQuery.cs
deleted file mode 100644
index b273f98..0000000
--- a/backend/src/PnvPanel.Application/Common/Messaging/IQuery.cs
+++ /dev/null
@@ -1,4 +0,0 @@
-namespace PnvPanel.Application.Common.Messaging;
-
-/// <summary>Маркер запроса CQRS. Запросы только читают, без побочных эффектов.</summary>
-public interface IQuery<TResponse>;
diff --git a/backend/src/PnvPanel.Application/Common/Messaging/IQueryHandler.cs b/backend/src/PnvPanel.Application/Common/Messaging/IQueryHandler.cs
deleted file mode 100644
index 24ba3ca..0000000
--- a/backend/src/PnvPanel.Application/Common/Messaging/IQueryHandler.cs
+++ /dev/null
@@ -1,7 +0,0 @@
-namespace PnvPanel.Application.Common.Messaging;
-
-public interface IQueryHandler<in TQuery, TResponse>
-    where TQuery : IQuery<TResponse>
-{
-    Task<TResponse> Handle(TQuery query, CancellationToken cancellationToken);
-}
diff --git a/backend/src/PnvPanel.Application/Common/Messaging/ISender.cs b/backend/src/PnvPanel.Application/Common/Messaging/ISender.cs
deleted file mode 100644
index 56782d6..0000000
--- a/backend/src/PnvPanel.Application/Common/Messaging/ISender.cs
+++ /dev/null
@@ -1,14 +0,0 @@
-namespace PnvPanel.Application.Common.Messaging;
-
-/// <summary>Собственный тонкий CQRS-диспетчер (без MediatR).</summary>
-public interface ISender
-{
-    Task<TResponse> Send<TResponse>(
-        ICommand<TResponse> command,
-        CancellationToken cancellationToken = default
-    );
-    Task<TResponse> Send<TResponse>(
-        IQuery<TResponse> query,
-        CancellationToken cancellationToken = default
-    );
-}
diff --git a/backend/src/PnvPanel.Application/Common/Messaging/Sender.cs b/backend/src/PnvPanel.Application/Common/Messaging/Sender.cs
deleted file mode 100644
index 252214d..0000000
--- a/backend/src/PnvPanel.Application/Common/Messaging/Sender.cs
+++ /dev/null
@@ -1,44 +0,0 @@
-using Microsoft.Extensions.DependencyInjection;
-
-namespace PnvPanel.Application.Common.Messaging;
-
-internal sealed class Sender(IServiceProvider serviceProvider) : ISender
-{
-    public Task<TResponse> Send<TResponse>(
-        ICommand<TResponse> command,
-        CancellationToken cancellationToken = default
-    ) => Dispatch<TResponse>(command, typeof(ICommandHandler<,>), cancellationToken);
-
-    public Task<TResponse> Send<TResponse>(
-        IQuery<TResponse> query,
-        CancellationToken cancellationToken = default
-    ) => Dispatch<TResponse>(query, typeof(IQueryHandler<,>), cancellationToken);
-
-    private Task<TResponse> Dispatch<TResponse>(
-        object request,
-        Type handlerOpenType,
-        CancellationToken cancellationToken
-    )
-    {
-        var requestType = request.GetType();
-        var handlerType = handlerOpenType.MakeGenericType(requestType, typeof(TResponse));
-        var behaviorType = typeof(IPipelineBehavior<,>).MakeGenericType(
-            requestType,
-            typeof(TResponse)
-        );
-
-        dynamic handler = serviceProvider.GetRequiredService(handlerType);
-        var behaviors = ((IEnumerable<object>)serviceProvider.GetServices(behaviorType)).Reverse();
-
-        RequestHandlerDelegate<TResponse> pipeline = () =>
-            handler.Handle((dynamic)request, cancellationToken);
-
-        foreach (dynamic behavior in behaviors)
-        {
-            var next = pipeline;
-            pipeline = () => behavior.Handle((dynamic)request, next, cancellationToken);
-        }
-
-        return pipeline();
-    }
-}
diff --git a/backend/src/PnvPanel.Application/Configs/Create/CreateVpnConfigCommand.cs b/backend/src/PnvPanel.Application/Configs/Create/CreateVpnConfigCommand.cs
index 3d87d8b..e5a9c81 100644
--- a/backend/src/PnvPanel.Application/Configs/Create/CreateVpnConfigCommand.cs
+++ b/backend/src/PnvPanel.Application/Configs/Create/CreateVpnConfigCommand.cs
@@ -1,4 +1,5 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
+using PnvPanel.Application.Common.Behaviors;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Configs.Create;
diff --git a/backend/src/PnvPanel.Application/Configs/Create/CreateVpnConfigCommandHandler.cs b/backend/src/PnvPanel.Application/Configs/Create/CreateVpnConfigCommandHandler.cs
index 4617162..854136c 100644
--- a/backend/src/PnvPanel.Application/Configs/Create/CreateVpnConfigCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Configs/Create/CreateVpnConfigCommandHandler.cs
@@ -1,7 +1,7 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Auth;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Configs;
 
@@ -72,10 +72,10 @@ public sealed class CreateVpnConfigCommandHandler(
             inbound.Protocol,
             config.ClientEmail,
             config.Label ?? config.ClientEmail,
-            profile.MaxIpLimit,
-            // Истечение по биллингу управляется полностью на нашей стороне (BillingConfigResumer,
-            // через enable), а не панельным expiryTime — сюда всегда null, чтобы не давать панели
-            // независимый от нас источник enforcement.
+            profile.MaxIpLimit,
+            // Истечение по биллингу управляется полностью на нашей стороне (BillingConfigResumer,
+            // через enable), а не панельным expiryTime — сюда всегда null, чтобы не давать панели
+            // независимый от нас источник enforcement.
             expiresAt: null,
             cancellationToken
         );
diff --git a/backend/src/PnvPanel.Application/Configs/Edit/EditVpnConfigCommand.cs b/backend/src/PnvPanel.Application/Configs/Edit/EditVpnConfigCommand.cs
index 26ad92e..ad34eb6 100644
--- a/backend/src/PnvPanel.Application/Configs/Edit/EditVpnConfigCommand.cs
+++ b/backend/src/PnvPanel.Application/Configs/Edit/EditVpnConfigCommand.cs
@@ -1,4 +1,5 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
+using PnvPanel.Application.Common.Behaviors;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Configs.Edit;
diff --git a/backend/src/PnvPanel.Application/Configs/Edit/EditVpnConfigCommandHandler.cs b/backend/src/PnvPanel.Application/Configs/Edit/EditVpnConfigCommandHandler.cs
index 2dfacbb..8e50adc 100644
--- a/backend/src/PnvPanel.Application/Configs/Edit/EditVpnConfigCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Configs/Edit/EditVpnConfigCommandHandler.cs
@@ -2,7 +2,7 @@ using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.Logging;
 using PnvPanel.Application.Auth;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Configs.Edit;
diff --git a/backend/src/PnvPanel.Application/Configs/GetConfigLink/GetConfigLinkQuery.cs b/backend/src/PnvPanel.Application/Configs/GetConfigLink/GetConfigLinkQuery.cs
index 17463cb..4103d77 100644
--- a/backend/src/PnvPanel.Application/Configs/GetConfigLink/GetConfigLinkQuery.cs
+++ b/backend/src/PnvPanel.Application/Configs/GetConfigLink/GetConfigLinkQuery.cs
@@ -1,4 +1,5 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
+using PnvPanel.Application.Common.Behaviors;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Configs.GetConfigLink;
diff --git a/backend/src/PnvPanel.Application/Configs/GetConfigLink/GetConfigLinkQueryHandler.cs b/backend/src/PnvPanel.Application/Configs/GetConfigLink/GetConfigLinkQueryHandler.cs
index e23fdb8..dd89e11 100644
--- a/backend/src/PnvPanel.Application/Configs/GetConfigLink/GetConfigLinkQueryHandler.cs
+++ b/backend/src/PnvPanel.Application/Configs/GetConfigLink/GetConfigLinkQueryHandler.cs
@@ -1,7 +1,7 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Auth;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Configs.GetConfigLink;
diff --git a/backend/src/PnvPanel.Application/Configs/GetMyConfigs/GetMyConfigsQuery.cs b/backend/src/PnvPanel.Application/Configs/GetMyConfigs/GetMyConfigsQuery.cs
index 1d6a24c..a5653b3 100644
--- a/backend/src/PnvPanel.Application/Configs/GetMyConfigs/GetMyConfigsQuery.cs
+++ b/backend/src/PnvPanel.Application/Configs/GetMyConfigs/GetMyConfigsQuery.cs
@@ -1,4 +1,5 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
+using PnvPanel.Application.Common.Behaviors;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Configs.GetMyConfigs;
diff --git a/backend/src/PnvPanel.Application/Configs/GetMyConfigs/GetMyConfigsQueryHandler.cs b/backend/src/PnvPanel.Application/Configs/GetMyConfigs/GetMyConfigsQueryHandler.cs
index a930921..06038a9 100644
--- a/backend/src/PnvPanel.Application/Configs/GetMyConfigs/GetMyConfigsQueryHandler.cs
+++ b/backend/src/PnvPanel.Application/Configs/GetMyConfigs/GetMyConfigsQueryHandler.cs
@@ -1,7 +1,7 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Auth;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Configs;
 
diff --git a/backend/src/PnvPanel.Application/Configs/GetMySubscription/GetMySubscriptionQuery.cs b/backend/src/PnvPanel.Application/Configs/GetMySubscription/GetMySubscriptionQuery.cs
index f8bf485..26cfa5e 100644
--- a/backend/src/PnvPanel.Application/Configs/GetMySubscription/GetMySubscriptionQuery.cs
+++ b/backend/src/PnvPanel.Application/Configs/GetMySubscription/GetMySubscriptionQuery.cs
@@ -1,4 +1,5 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
+using PnvPanel.Application.Common.Behaviors;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Configs.GetMySubscription;
diff --git a/backend/src/PnvPanel.Application/Configs/GetMySubscription/GetMySubscriptionQueryHandler.cs b/backend/src/PnvPanel.Application/Configs/GetMySubscription/GetMySubscriptionQueryHandler.cs
index 7b6309a..75dae7d 100644
--- a/backend/src/PnvPanel.Application/Configs/GetMySubscription/GetMySubscriptionQueryHandler.cs
+++ b/backend/src/PnvPanel.Application/Configs/GetMySubscription/GetMySubscriptionQueryHandler.cs
@@ -1,6 +1,6 @@
 using PnvPanel.Application.Auth;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Configs.GetMySubscription;
diff --git a/backend/src/PnvPanel.Application/Configs/ListAvailableInbounds/ListAvailableInboundsQuery.cs b/backend/src/PnvPanel.Application/Configs/ListAvailableInbounds/ListAvailableInboundsQuery.cs
index 8d0049b..d2228d2 100644
--- a/backend/src/PnvPanel.Application/Configs/ListAvailableInbounds/ListAvailableInboundsQuery.cs
+++ b/backend/src/PnvPanel.Application/Configs/ListAvailableInbounds/ListAvailableInboundsQuery.cs
@@ -1,4 +1,5 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
+using PnvPanel.Application.Common.Behaviors;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Inbounds;
 
diff --git a/backend/src/PnvPanel.Application/Configs/ListAvailableInbounds/ListAvailableInboundsQueryHandler.cs b/backend/src/PnvPanel.Application/Configs/ListAvailableInbounds/ListAvailableInboundsQueryHandler.cs
index cedb6e6..7f5911f 100644
--- a/backend/src/PnvPanel.Application/Configs/ListAvailableInbounds/ListAvailableInboundsQueryHandler.cs
+++ b/backend/src/PnvPanel.Application/Configs/ListAvailableInbounds/ListAvailableInboundsQueryHandler.cs
@@ -1,7 +1,7 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Auth;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Configs.ListAvailableInbounds;
diff --git a/backend/src/PnvPanel.Application/Configs/Revoke/RevokeVpnConfigCommand.cs b/backend/src/PnvPanel.Application/Configs/Revoke/RevokeVpnConfigCommand.cs
index 220bed4..ea585cd 100644
--- a/backend/src/PnvPanel.Application/Configs/Revoke/RevokeVpnConfigCommand.cs
+++ b/backend/src/PnvPanel.Application/Configs/Revoke/RevokeVpnConfigCommand.cs
@@ -1,4 +1,5 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
+using PnvPanel.Application.Common.Behaviors;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Configs.Revoke;
diff --git a/backend/src/PnvPanel.Application/Configs/Revoke/RevokeVpnConfigCommandHandler.cs b/backend/src/PnvPanel.Application/Configs/Revoke/RevokeVpnConfigCommandHandler.cs
index b307584..08b5c9f 100644
--- a/backend/src/PnvPanel.Application/Configs/Revoke/RevokeVpnConfigCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Configs/Revoke/RevokeVpnConfigCommandHandler.cs
@@ -2,7 +2,7 @@ using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.Logging;
 using PnvPanel.Application.Auth;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Configs;
 
diff --git a/backend/src/PnvPanel.Application/Configs/Rotate/RotateVpnConfigCommand.cs b/backend/src/PnvPanel.Application/Configs/Rotate/RotateVpnConfigCommand.cs
index 74533cb..7c1b5f5 100644
--- a/backend/src/PnvPanel.Application/Configs/Rotate/RotateVpnConfigCommand.cs
+++ b/backend/src/PnvPanel.Application/Configs/Rotate/RotateVpnConfigCommand.cs
@@ -1,4 +1,5 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
+using PnvPanel.Application.Common.Behaviors;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Configs.Rotate;
diff --git a/backend/src/PnvPanel.Application/Configs/Rotate/RotateVpnConfigCommandHandler.cs b/backend/src/PnvPanel.Application/Configs/Rotate/RotateVpnConfigCommandHandler.cs
index 4162028..81ec36f 100644
--- a/backend/src/PnvPanel.Application/Configs/Rotate/RotateVpnConfigCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Configs/Rotate/RotateVpnConfigCommandHandler.cs
@@ -1,7 +1,7 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Auth;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Configs;
 
@@ -55,10 +55,10 @@ public sealed class RotateVpnConfigCommandHandler(
             config.Protocol,
             newClientEmail,
             config.Label ?? newClientEmail,
-            profile.MaxIpLimit,
-            // Истечение по биллингу управляется полностью на нашей стороне (BillingConfigResumer,
-            // через enable), а не панельным expiryTime — сюда всегда null, ротация не должна давать
-            // панели независимый от нас источник enforcement.
+            profile.MaxIpLimit,
+            // Истечение по биллингу управляется полностью на нашей стороне (BillingConfigResumer,
+            // через enable), а не панельным expiryTime — сюда всегда null, ротация не должна давать
+            // панели независимый от нас источник enforcement.
             expiresAt: null,
             cancellationToken
         );
diff --git a/backend/src/PnvPanel.Application/DependencyInjection.cs b/backend/src/PnvPanel.Application/DependencyInjection.cs
index 7c8109e..4cf1a06 100644
--- a/backend/src/PnvPanel.Application/DependencyInjection.cs
+++ b/backend/src/PnvPanel.Application/DependencyInjection.cs
@@ -1,14 +1,16 @@
 using System.Reflection;
 using FluentValidation;
 using Microsoft.Extensions.DependencyInjection;
+using LiteCqrs.Behaviors;
+using LiteCqrs.DependencyInjection;
 using PnvPanel.Application.Common.Behaviors;
-using PnvPanel.Application.Common.Messaging;
 
 namespace PnvPanel.Application;
 
 /// <summary>
-/// Точка регистрации сервисов слоя Application: собственный CQRS-диспетчер (ISender),
-/// хендлеры/валидаторы (авто-сканирование сборки) и pipeline behaviors — в порядке выполнения.
+/// Точка регистрации сервисов слоя Application: CQRS-диспетчер (LiteCqrs.Net — ISender,
+/// хендлеры/behaviors авто-сканирование сборки) и валидаторы FluentValidation (сканируются
+/// отдельно — IValidator&lt;&gt; не входит в LiteCqrs, остаётся приложению).
 /// </summary>
 public static class DependencyInjection
 {
@@ -16,18 +18,20 @@ public static class DependencyInjection
     {
         var assembly = typeof(DependencyInjection).Assembly;
 
-        services.AddScoped<ISender, Sender>();
+        services.AddLiteCqrs(cqrs =>
+        {
+            cqrs.RegisterServicesFromAssembly(assembly);
+            cqrs.Lifetime = ServiceLifetime.Scoped;
+
+            // Порядок важен: Logging (снаружи) -> Validation -> RequireActivation -> UnitOfWork (ближе к хендлеру).
+            cqrs.AddOpenBehavior(typeof(LoggingBehavior<,>));
+            cqrs.AddOpenBehavior(typeof(ValidationBehavior<,>));
+            cqrs.AddOpenBehavior(typeof(RequireActivationBehavior<,>));
+            cqrs.AddOpenBehavior(typeof(UnitOfWorkBehavior<,>));
+        });
 
-        RegisterClosedGeneric(services, assembly, typeof(ICommandHandler<,>));
-        RegisterClosedGeneric(services, assembly, typeof(IQueryHandler<,>));
         RegisterClosedGeneric(services, assembly, typeof(IValidator<>));
 
-        // Порядок важен: Logging (снаружи) -> Validation -> RequireActivation -> UnitOfWork (ближе к хендлеру).
-        services.AddScoped(typeof(IPipelineBehavior<,>), typeof(LoggingBehavior<,>));
-        services.AddScoped(typeof(IPipelineBehavior<,>), typeof(ValidationBehavior<,>));
-        services.AddScoped(typeof(IPipelineBehavior<,>), typeof(RequireActivationBehavior<,>));
-        services.AddScoped(typeof(IPipelineBehavior<,>), typeof(UnitOfWorkBehavior<,>));
-
         return services;
     }
 
diff --git a/backend/src/PnvPanel.Application/Instructions/GetInstructionIntroQuery.cs b/backend/src/PnvPanel.Application/Instructions/GetInstructionIntroQuery.cs
index d20ab1a..9f4ade1 100644
--- a/backend/src/PnvPanel.Application/Instructions/GetInstructionIntroQuery.cs
+++ b/backend/src/PnvPanel.Application/Instructions/GetInstructionIntroQuery.cs
@@ -1,4 +1,5 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
+using PnvPanel.Application.Common.Behaviors;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Instructions;
diff --git a/backend/src/PnvPanel.Application/Instructions/GetInstructionIntroQueryHandler.cs b/backend/src/PnvPanel.Application/Instructions/GetInstructionIntroQueryHandler.cs
index 75643c9..85a2992 100644
--- a/backend/src/PnvPanel.Application/Instructions/GetInstructionIntroQueryHandler.cs
+++ b/backend/src/PnvPanel.Application/Instructions/GetInstructionIntroQueryHandler.cs
@@ -1,6 +1,6 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Instructions;
diff --git a/backend/src/PnvPanel.Application/Instructions/ListInstructionTabsQuery.cs b/backend/src/PnvPanel.Application/Instructions/ListInstructionTabsQuery.cs
index bc3ef8d..2f3fe04 100644
--- a/backend/src/PnvPanel.Application/Instructions/ListInstructionTabsQuery.cs
+++ b/backend/src/PnvPanel.Application/Instructions/ListInstructionTabsQuery.cs
@@ -1,4 +1,5 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
+using PnvPanel.Application.Common.Behaviors;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Instructions;
diff --git a/backend/src/PnvPanel.Application/Instructions/ListInstructionTabsQueryHandler.cs b/backend/src/PnvPanel.Application/Instructions/ListInstructionTabsQueryHandler.cs
index 1692770..6689801 100644
--- a/backend/src/PnvPanel.Application/Instructions/ListInstructionTabsQueryHandler.cs
+++ b/backend/src/PnvPanel.Application/Instructions/ListInstructionTabsQueryHandler.cs
@@ -1,6 +1,6 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Instructions;
diff --git a/backend/src/PnvPanel.Application/News/ListNewsQuery.cs b/backend/src/PnvPanel.Application/News/ListNewsQuery.cs
index 2313e71..c90c268 100644
--- a/backend/src/PnvPanel.Application/News/ListNewsQuery.cs
+++ b/backend/src/PnvPanel.Application/News/ListNewsQuery.cs
@@ -1,4 +1,5 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
+using PnvPanel.Application.Common.Behaviors;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.News;
diff --git a/backend/src/PnvPanel.Application/News/ListNewsQueryHandler.cs b/backend/src/PnvPanel.Application/News/ListNewsQueryHandler.cs
index eed8d8f..2dd3369 100644
--- a/backend/src/PnvPanel.Application/News/ListNewsQueryHandler.cs
+++ b/backend/src/PnvPanel.Application/News/ListNewsQueryHandler.cs
@@ -1,6 +1,6 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.News;
diff --git a/backend/src/PnvPanel.Application/Plans/ChangePlanCommand.cs b/backend/src/PnvPanel.Application/Plans/ChangePlanCommand.cs
index 4f8d387..9d0ce07 100644
--- a/backend/src/PnvPanel.Application/Plans/ChangePlanCommand.cs
+++ b/backend/src/PnvPanel.Application/Plans/ChangePlanCommand.cs
@@ -1,4 +1,5 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
+using PnvPanel.Application.Common.Behaviors;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Plans;
diff --git a/backend/src/PnvPanel.Application/Plans/ChangePlanCommandHandler.cs b/backend/src/PnvPanel.Application/Plans/ChangePlanCommandHandler.cs
index 7ee2182..fe63f70 100644
--- a/backend/src/PnvPanel.Application/Plans/ChangePlanCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Plans/ChangePlanCommandHandler.cs
@@ -3,7 +3,7 @@ using Microsoft.Extensions.Logging;
 using PnvPanel.Application.Auth;
 using PnvPanel.Application.Common.Concurrency;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Application.Configs;
 using PnvPanel.Domain.Audit;
diff --git a/backend/src/PnvPanel.Application/Plans/GetMyPlanStatusQuery.cs b/backend/src/PnvPanel.Application/Plans/GetMyPlanStatusQuery.cs
index 77832da..24e9de5 100644
--- a/backend/src/PnvPanel.Application/Plans/GetMyPlanStatusQuery.cs
+++ b/backend/src/PnvPanel.Application/Plans/GetMyPlanStatusQuery.cs
@@ -1,4 +1,5 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
+using PnvPanel.Application.Common.Behaviors;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Plans;
diff --git a/backend/src/PnvPanel.Application/Plans/GetMyPlanStatusQueryHandler.cs b/backend/src/PnvPanel.Application/Plans/GetMyPlanStatusQueryHandler.cs
index 1823191..2cc2277 100644
--- a/backend/src/PnvPanel.Application/Plans/GetMyPlanStatusQueryHandler.cs
+++ b/backend/src/PnvPanel.Application/Plans/GetMyPlanStatusQueryHandler.cs
@@ -1,7 +1,7 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Auth;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Configs;
 
diff --git a/backend/src/PnvPanel.Application/Plans/ListPlansQuery.cs b/backend/src/PnvPanel.Application/Plans/ListPlansQuery.cs
index 641ee3f..6eb7ea4 100644
--- a/backend/src/PnvPanel.Application/Plans/ListPlansQuery.cs
+++ b/backend/src/PnvPanel.Application/Plans/ListPlansQuery.cs
@@ -1,4 +1,5 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
+using PnvPanel.Application.Common.Behaviors;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Plans;
diff --git a/backend/src/PnvPanel.Application/Plans/ListPlansQueryHandler.cs b/backend/src/PnvPanel.Application/Plans/ListPlansQueryHandler.cs
index c81107b..f540ad6 100644
--- a/backend/src/PnvPanel.Application/Plans/ListPlansQueryHandler.cs
+++ b/backend/src/PnvPanel.Application/Plans/ListPlansQueryHandler.cs
@@ -1,6 +1,6 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Plans;
diff --git a/backend/src/PnvPanel.Application/PnvPanel.Application.csproj b/backend/src/PnvPanel.Application/PnvPanel.Application.csproj
index 213c57b..c7a01cd 100644
--- a/backend/src/PnvPanel.Application/PnvPanel.Application.csproj
+++ b/backend/src/PnvPanel.Application/PnvPanel.Application.csproj
@@ -5,6 +5,7 @@
 
   <ItemGroup>
     <PackageReference Include="FluentValidation" />
+    <PackageReference Include="LiteCqrs.Net" />
     <PackageReference Include="Microsoft.EntityFrameworkCore" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Relational" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" />
diff --git a/backend/src/PnvPanel.Application/Subscriptions/GetConfigSubscriptionQuery.cs b/backend/src/PnvPanel.Application/Subscriptions/GetConfigSubscriptionQuery.cs
index 7749653..61b03a4 100644
--- a/backend/src/PnvPanel.Application/Subscriptions/GetConfigSubscriptionQuery.cs
+++ b/backend/src/PnvPanel.Application/Subscriptions/GetConfigSubscriptionQuery.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Subscriptions;
diff --git a/backend/src/PnvPanel.Application/Subscriptions/GetConfigSubscriptionQueryHandler.cs b/backend/src/PnvPanel.Application/Subscriptions/GetConfigSubscriptionQueryHandler.cs
index 70b0ac1..ba3f4df 100644
--- a/backend/src/PnvPanel.Application/Subscriptions/GetConfigSubscriptionQueryHandler.cs
+++ b/backend/src/PnvPanel.Application/Subscriptions/GetConfigSubscriptionQueryHandler.cs
@@ -1,6 +1,6 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Configs;
 
diff --git a/backend/src/PnvPanel.Application/Subscriptions/GetUserSubscriptionQuery.cs b/backend/src/PnvPanel.Application/Subscriptions/GetUserSubscriptionQuery.cs
index 612f620..19caef7 100644
--- a/backend/src/PnvPanel.Application/Subscriptions/GetUserSubscriptionQuery.cs
+++ b/backend/src/PnvPanel.Application/Subscriptions/GetUserSubscriptionQuery.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Subscriptions;
diff --git a/backend/src/PnvPanel.Application/Subscriptions/GetUserSubscriptionQueryHandler.cs b/backend/src/PnvPanel.Application/Subscriptions/GetUserSubscriptionQueryHandler.cs
index 771f422..d50ce14 100644
--- a/backend/src/PnvPanel.Application/Subscriptions/GetUserSubscriptionQueryHandler.cs
+++ b/backend/src/PnvPanel.Application/Subscriptions/GetUserSubscriptionQueryHandler.cs
@@ -1,6 +1,6 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Configs;
 
diff --git a/backend/src/PnvPanel.Application/Support/AddComment/AddTicketCommentCommand.cs b/backend/src/PnvPanel.Application/Support/AddComment/AddTicketCommentCommand.cs
index 864704e..c358b28 100644
--- a/backend/src/PnvPanel.Application/Support/AddComment/AddTicketCommentCommand.cs
+++ b/backend/src/PnvPanel.Application/Support/AddComment/AddTicketCommentCommand.cs
@@ -1,4 +1,5 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
+using PnvPanel.Application.Common.Behaviors;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Support.AddComment;
diff --git a/backend/src/PnvPanel.Application/Support/AddComment/AddTicketCommentCommandHandler.cs b/backend/src/PnvPanel.Application/Support/AddComment/AddTicketCommentCommandHandler.cs
index 2118c04..e926527 100644
--- a/backend/src/PnvPanel.Application/Support/AddComment/AddTicketCommentCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Support/AddComment/AddTicketCommentCommandHandler.cs
@@ -1,7 +1,7 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Auth;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Support;
 
diff --git a/backend/src/PnvPanel.Application/Support/CreateBugReport/CreateBugReportTicketCommand.cs b/backend/src/PnvPanel.Application/Support/CreateBugReport/CreateBugReportTicketCommand.cs
index 16a1868..b92be21 100644
--- a/backend/src/PnvPanel.Application/Support/CreateBugReport/CreateBugReportTicketCommand.cs
+++ b/backend/src/PnvPanel.Application/Support/CreateBugReport/CreateBugReportTicketCommand.cs
@@ -1,4 +1,5 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
+using PnvPanel.Application.Common.Behaviors;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Support.CreateBugReport;
diff --git a/backend/src/PnvPanel.Application/Support/CreateBugReport/CreateBugReportTicketCommandHandler.cs b/backend/src/PnvPanel.Application/Support/CreateBugReport/CreateBugReportTicketCommandHandler.cs
index 1c34959..9ee1bcf 100644
--- a/backend/src/PnvPanel.Application/Support/CreateBugReport/CreateBugReportTicketCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Support/CreateBugReport/CreateBugReportTicketCommandHandler.cs
@@ -1,6 +1,6 @@
 using PnvPanel.Application.Auth;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Support;
 
diff --git a/backend/src/PnvPanel.Application/Support/CreateExtensionRequest/CreateExtensionRequestTicketCommand.cs b/backend/src/PnvPanel.Application/Support/CreateExtensionRequest/CreateExtensionRequestTicketCommand.cs
index d5a166a..0db1730 100644
--- a/backend/src/PnvPanel.Application/Support/CreateExtensionRequest/CreateExtensionRequestTicketCommand.cs
+++ b/backend/src/PnvPanel.Application/Support/CreateExtensionRequest/CreateExtensionRequestTicketCommand.cs
@@ -1,4 +1,5 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
+using PnvPanel.Application.Common.Behaviors;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Support.CreateExtensionRequest;
diff --git a/backend/src/PnvPanel.Application/Support/CreateExtensionRequest/CreateExtensionRequestTicketCommandHandler.cs b/backend/src/PnvPanel.Application/Support/CreateExtensionRequest/CreateExtensionRequestTicketCommandHandler.cs
index 749bba3..2c40e3f 100644
--- a/backend/src/PnvPanel.Application/Support/CreateExtensionRequest/CreateExtensionRequestTicketCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Support/CreateExtensionRequest/CreateExtensionRequestTicketCommandHandler.cs
@@ -3,7 +3,7 @@ using PnvPanel.Application.Auth;
 using PnvPanel.Application.Billing;
 using PnvPanel.Application.Common.Concurrency;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Support;
 
diff --git a/backend/src/PnvPanel.Application/Support/GetAttachment/GetTicketAttachmentQuery.cs b/backend/src/PnvPanel.Application/Support/GetAttachment/GetTicketAttachmentQuery.cs
index 93f5640..83dfebb 100644
--- a/backend/src/PnvPanel.Application/Support/GetAttachment/GetTicketAttachmentQuery.cs
+++ b/backend/src/PnvPanel.Application/Support/GetAttachment/GetTicketAttachmentQuery.cs
@@ -1,4 +1,5 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
+using PnvPanel.Application.Common.Behaviors;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Support.GetAttachment;
diff --git a/backend/src/PnvPanel.Application/Support/GetAttachment/GetTicketAttachmentQueryHandler.cs b/backend/src/PnvPanel.Application/Support/GetAttachment/GetTicketAttachmentQueryHandler.cs
index f86dcf8..0100985 100644
--- a/backend/src/PnvPanel.Application/Support/GetAttachment/GetTicketAttachmentQueryHandler.cs
+++ b/backend/src/PnvPanel.Application/Support/GetAttachment/GetTicketAttachmentQueryHandler.cs
@@ -1,7 +1,7 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Auth;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Support.GetAttachment;
diff --git a/backend/src/PnvPanel.Application/Support/GetSupportPricing/GetSupportPricingQuery.cs b/backend/src/PnvPanel.Application/Support/GetSupportPricing/GetSupportPricingQuery.cs
index baf29a3..485825c 100644
--- a/backend/src/PnvPanel.Application/Support/GetSupportPricing/GetSupportPricingQuery.cs
+++ b/backend/src/PnvPanel.Application/Support/GetSupportPricing/GetSupportPricingQuery.cs
@@ -1,5 +1,6 @@
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
+using PnvPanel.Application.Common.Behaviors;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Support.GetSupportPricing;
diff --git a/backend/src/PnvPanel.Application/Support/GetSupportPricing/GetSupportPricingQueryHandler.cs b/backend/src/PnvPanel.Application/Support/GetSupportPricing/GetSupportPricingQueryHandler.cs
index ae826af..4980386 100644
--- a/backend/src/PnvPanel.Application/Support/GetSupportPricing/GetSupportPricingQueryHandler.cs
+++ b/backend/src/PnvPanel.Application/Support/GetSupportPricing/GetSupportPricingQueryHandler.cs
@@ -1,6 +1,6 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Support.GetSupportPricing;
diff --git a/backend/src/PnvPanel.Application/Support/GetTicket/GetTicketQuery.cs b/backend/src/PnvPanel.Application/Support/GetTicket/GetTicketQuery.cs
index cd90948..5989340 100644
--- a/backend/src/PnvPanel.Application/Support/GetTicket/GetTicketQuery.cs
+++ b/backend/src/PnvPanel.Application/Support/GetTicket/GetTicketQuery.cs
@@ -1,4 +1,5 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
+using PnvPanel.Application.Common.Behaviors;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Support.GetTicket;
diff --git a/backend/src/PnvPanel.Application/Support/GetTicket/GetTicketQueryHandler.cs b/backend/src/PnvPanel.Application/Support/GetTicket/GetTicketQueryHandler.cs
index c712ef4..e2b84c7 100644
--- a/backend/src/PnvPanel.Application/Support/GetTicket/GetTicketQueryHandler.cs
+++ b/backend/src/PnvPanel.Application/Support/GetTicket/GetTicketQueryHandler.cs
@@ -1,7 +1,7 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Auth;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Support.GetTicket;
diff --git a/backend/src/PnvPanel.Application/Support/ListMyTickets/ListMyTicketsQuery.cs b/backend/src/PnvPanel.Application/Support/ListMyTickets/ListMyTicketsQuery.cs
index 6504953..0e7ad0b 100644
--- a/backend/src/PnvPanel.Application/Support/ListMyTickets/ListMyTicketsQuery.cs
+++ b/backend/src/PnvPanel.Application/Support/ListMyTickets/ListMyTicketsQuery.cs
@@ -1,4 +1,5 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
+using PnvPanel.Application.Common.Behaviors;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Support;
 
diff --git a/backend/src/PnvPanel.Application/Support/ListMyTickets/ListMyTicketsQueryHandler.cs b/backend/src/PnvPanel.Application/Support/ListMyTickets/ListMyTicketsQueryHandler.cs
index 8323a83..56ec82d 100644
--- a/backend/src/PnvPanel.Application/Support/ListMyTickets/ListMyTicketsQueryHandler.cs
+++ b/backend/src/PnvPanel.Application/Support/ListMyTickets/ListMyTicketsQueryHandler.cs
@@ -1,7 +1,7 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Auth;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Support.ListMyTickets;
diff --git a/backend/src/PnvPanel.Application/Support/Reopen/ReopenTicketCommand.cs b/backend/src/PnvPanel.Application/Support/Reopen/ReopenTicketCommand.cs
index 7b6fb9f..3415a84 100644
--- a/backend/src/PnvPanel.Application/Support/Reopen/ReopenTicketCommand.cs
+++ b/backend/src/PnvPanel.Application/Support/Reopen/ReopenTicketCommand.cs
@@ -1,4 +1,5 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
+using PnvPanel.Application.Common.Behaviors;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Support.Reopen;
diff --git a/backend/src/PnvPanel.Application/Support/Reopen/ReopenTicketCommandHandler.cs b/backend/src/PnvPanel.Application/Support/Reopen/ReopenTicketCommandHandler.cs
index 6435a15..f1bdf51 100644
--- a/backend/src/PnvPanel.Application/Support/Reopen/ReopenTicketCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Support/Reopen/ReopenTicketCommandHandler.cs
@@ -1,7 +1,7 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Auth;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Support;
 
diff --git a/backend/src/PnvPanel.Application/Telegram/Bot/ApproveTelegramLoginCommand.cs b/backend/src/PnvPanel.Application/Telegram/Bot/ApproveTelegramLoginCommand.cs
index 6b0b0c2..992a8f2 100644
--- a/backend/src/PnvPanel.Application/Telegram/Bot/ApproveTelegramLoginCommand.cs
+++ b/backend/src/PnvPanel.Application/Telegram/Bot/ApproveTelegramLoginCommand.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Telegram.Bot;
diff --git a/backend/src/PnvPanel.Application/Telegram/Bot/ApproveTelegramLoginCommandHandler.cs b/backend/src/PnvPanel.Application/Telegram/Bot/ApproveTelegramLoginCommandHandler.cs
index fc7dcb0..504d2fa 100644
--- a/backend/src/PnvPanel.Application/Telegram/Bot/ApproveTelegramLoginCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Telegram/Bot/ApproveTelegramLoginCommandHandler.cs
@@ -1,6 +1,6 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Exceptions;
 
diff --git a/backend/src/PnvPanel.Application/Telegram/Bot/LinkTelegramCommand.cs b/backend/src/PnvPanel.Application/Telegram/Bot/LinkTelegramCommand.cs
index 629c768..3d3cff1 100644
--- a/backend/src/PnvPanel.Application/Telegram/Bot/LinkTelegramCommand.cs
+++ b/backend/src/PnvPanel.Application/Telegram/Bot/LinkTelegramCommand.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Telegram.Bot;
diff --git a/backend/src/PnvPanel.Application/Telegram/Bot/LinkTelegramCommandHandler.cs b/backend/src/PnvPanel.Application/Telegram/Bot/LinkTelegramCommandHandler.cs
index df60831..e0390c4 100644
--- a/backend/src/PnvPanel.Application/Telegram/Bot/LinkTelegramCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Telegram/Bot/LinkTelegramCommandHandler.cs
@@ -1,6 +1,6 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Telegram.Bot;
diff --git a/backend/src/PnvPanel.Application/Telegram/Bot/RejectTelegramLoginCommand.cs b/backend/src/PnvPanel.Application/Telegram/Bot/RejectTelegramLoginCommand.cs
index f974327..c60ade0 100644
--- a/backend/src/PnvPanel.Application/Telegram/Bot/RejectTelegramLoginCommand.cs
+++ b/backend/src/PnvPanel.Application/Telegram/Bot/RejectTelegramLoginCommand.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Telegram.Bot;
diff --git a/backend/src/PnvPanel.Application/Telegram/Bot/RejectTelegramLoginCommandHandler.cs b/backend/src/PnvPanel.Application/Telegram/Bot/RejectTelegramLoginCommandHandler.cs
index e0eefac..5f50074 100644
--- a/backend/src/PnvPanel.Application/Telegram/Bot/RejectTelegramLoginCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Telegram/Bot/RejectTelegramLoginCommandHandler.cs
@@ -1,6 +1,6 @@
 using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Exceptions;
 
diff --git a/backend/src/PnvPanel.Application/Telegram/CreateLinkTokenCommand.cs b/backend/src/PnvPanel.Application/Telegram/CreateLinkTokenCommand.cs
index 8ede874..b4ddca7 100644
--- a/backend/src/PnvPanel.Application/Telegram/CreateLinkTokenCommand.cs
+++ b/backend/src/PnvPanel.Application/Telegram/CreateLinkTokenCommand.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Telegram;
diff --git a/backend/src/PnvPanel.Application/Telegram/CreateLinkTokenCommandHandler.cs b/backend/src/PnvPanel.Application/Telegram/CreateLinkTokenCommandHandler.cs
index 27e7f69..02b0231 100644
--- a/backend/src/PnvPanel.Application/Telegram/CreateLinkTokenCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Telegram/CreateLinkTokenCommandHandler.cs
@@ -1,6 +1,6 @@
 using PnvPanel.Application.Auth;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Telegram;
 
diff --git a/backend/src/PnvPanel.Application/Telegram/CreateLoginRequestCommand.cs b/backend/src/PnvPanel.Application/Telegram/CreateLoginRequestCommand.cs
index 987af32..d0faa8e 100644
--- a/backend/src/PnvPanel.Application/Telegram/CreateLoginRequestCommand.cs
+++ b/backend/src/PnvPanel.Application/Telegram/CreateLoginRequestCommand.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Telegram;
diff --git a/backend/src/PnvPanel.Application/Telegram/CreateLoginRequestCommandHandler.cs b/backend/src/PnvPanel.Application/Telegram/CreateLoginRequestCommandHandler.cs
index fc6e2fd..988c92a 100644
--- a/backend/src/PnvPanel.Application/Telegram/CreateLoginRequestCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Telegram/CreateLoginRequestCommandHandler.cs
@@ -1,5 +1,5 @@
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Telegram;
 
diff --git a/backend/src/PnvPanel.Application/Telegram/GetLoginRequestStatusQuery.cs b/backend/src/PnvPanel.Application/Telegram/GetLoginRequestStatusQuery.cs
index 619ac5a..d55fdfd 100644
--- a/backend/src/PnvPanel.Application/Telegram/GetLoginRequestStatusQuery.cs
+++ b/backend/src/PnvPanel.Application/Telegram/GetLoginRequestStatusQuery.cs
@@ -1,5 +1,5 @@
 using PnvPanel.Application.Auth;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Telegram;
 
diff --git a/backend/src/PnvPanel.Application/Telegram/GetLoginRequestStatusQueryHandler.cs b/backend/src/PnvPanel.Application/Telegram/GetLoginRequestStatusQueryHandler.cs
index b2c3cb3..7f8f2e5 100644
--- a/backend/src/PnvPanel.Application/Telegram/GetLoginRequestStatusQueryHandler.cs
+++ b/backend/src/PnvPanel.Application/Telegram/GetLoginRequestStatusQueryHandler.cs
@@ -2,7 +2,7 @@ using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Auth;
 using PnvPanel.Application.Common.Concurrency;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using PnvPanel.Domain.Telegram;
 
diff --git a/backend/src/PnvPanel.Application/Telegram/RegisterViaTelegramCommand.cs b/backend/src/PnvPanel.Application/Telegram/RegisterViaTelegramCommand.cs
index 75461d5..326169c 100644
--- a/backend/src/PnvPanel.Application/Telegram/RegisterViaTelegramCommand.cs
+++ b/backend/src/PnvPanel.Application/Telegram/RegisterViaTelegramCommand.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Telegram;
diff --git a/backend/src/PnvPanel.Application/Telegram/RegisterViaTelegramCommandHandler.cs b/backend/src/PnvPanel.Application/Telegram/RegisterViaTelegramCommandHandler.cs
index 0d58be1..1215810 100644
--- a/backend/src/PnvPanel.Application/Telegram/RegisterViaTelegramCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Telegram/RegisterViaTelegramCommandHandler.cs
@@ -1,7 +1,7 @@
 using System.Security.Cryptography;
 using PnvPanel.Application.Auth;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Telegram;
diff --git a/backend/src/PnvPanel.Application/Telegram/UnlinkTelegramCommand.cs b/backend/src/PnvPanel.Application/Telegram/UnlinkTelegramCommand.cs
index ef6e0d7..781caed 100644
--- a/backend/src/PnvPanel.Application/Telegram/UnlinkTelegramCommand.cs
+++ b/backend/src/PnvPanel.Application/Telegram/UnlinkTelegramCommand.cs
@@ -1,4 +1,4 @@
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Telegram;
diff --git a/backend/src/PnvPanel.Application/Telegram/UnlinkTelegramCommandHandler.cs b/backend/src/PnvPanel.Application/Telegram/UnlinkTelegramCommandHandler.cs
index 4992656..a55225a 100644
--- a/backend/src/PnvPanel.Application/Telegram/UnlinkTelegramCommandHandler.cs
+++ b/backend/src/PnvPanel.Application/Telegram/UnlinkTelegramCommandHandler.cs
@@ -1,6 +1,6 @@
 using PnvPanel.Application.Auth;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 
 namespace PnvPanel.Application.Telegram;
diff --git a/backend/tests/PnvPanel.Application.Tests/Common/Behaviors/RequireActivationBehaviorTests.cs b/backend/tests/PnvPanel.Application.Tests/Common/Behaviors/RequireActivationBehaviorTests.cs
index 17bf3ac..d6c7088 100644
--- a/backend/tests/PnvPanel.Application.Tests/Common/Behaviors/RequireActivationBehaviorTests.cs
+++ b/backend/tests/PnvPanel.Application.Tests/Common/Behaviors/RequireActivationBehaviorTests.cs
@@ -2,7 +2,7 @@ using NSubstitute;
 using PnvPanel.Application.Auth;
 using PnvPanel.Application.Common.Behaviors;
 using PnvPanel.Application.Common.Interfaces;
-using PnvPanel.Application.Common.Messaging;
+using LiteCqrs;
 using PnvPanel.Application.Common.Models;
 using Xunit;
 
diff --git a/docs/architecture.md b/docs/architecture.md
index a09f08f..a69fb17 100644
--- a/docs/architecture.md
+++ b/docs/architecture.md
@@ -133,9 +133,14 @@ PnvPanel — backend на **ASP.NET Core (.NET 10)** по принципам **C
 
 - **Команды** меняют состояние, возвращают `Result` / `Result<T>`; выполняются в транзакции (UnitOfWorkBehavior).
 - **Запросы** только читают; могут ходить в БД проекциями (`Select` в DTO) без загрузки сущностей целиком.
-- Диспетчер — **собственный тонкий `ISender`**: резолвит хендлер команды/запроса из DI и прогоняет
-  через pipeline behaviors. Без внешних CQRS-библиотек (MediatR/и т.п.). Абстракции — `ICommand<T>`,
-  `IQuery<T>`, `ICommandHandler<,>`, `IQueryHandler<,>`, `IPipelineBehavior<,>`.
+- Диспетчер — `ISender` из [`LiteCqrs.Net`](https://github.com/mrleo1nid/LiteCqrs.Net) (собственная
+  лёгкая CQRS-библиотека, альтернатива MediatR с явным разделением Command/Query — сосед-репозиторий
+  в `D:\Github`, пока подключён `ProjectReference`'ом, не через NuGet): резолвит хендлер
+  команды/запроса из DI (dynamic-free кэшированный диспетчер) и прогоняет через pipeline behaviors.
+  Абстракции — `ICommand<T>`, `IQuery<T>`, `ICommandHandler<,>`, `IQueryHandler<,>`,
+  `IPipelineBehavior<,>` — все из `LiteCqrs`; PnvPanel-специфичные behaviors (`ValidationBehavior`,
+  `RequireActivationBehavior`, `UnitOfWorkBehavior`) и маркер `IRequiresActivation` остаются в
+  `Application/Common/Behaviors`.
 
 Пример потока «создать конфиг» (`backend/src/PnvPanel.Application/Configs/Create/CreateVpnConfigCommandHandler.cs`):
 ```
diff --git a/docs/backend-conventions.md b/docs/backend-conventions.md
index 61b27f1..d7f96c2 100644
--- a/docs/backend-conventions.md
+++ b/docs/backend-conventions.md
@@ -98,10 +98,13 @@ backend/
 
 - **Rich domain model**: инварианты в сущностях (приватные сеттеры, фабричные методы `Node.Register(...)`,
   поведенческие методы `config.Revoke()`), а не анемичные DTO-сущности.
-- **CQRS через собственный диспетчер**: хендлеры реализуют `ICommandHandler<TCommand,TResult>` /
-  `IQueryHandler<,>`; `ISender` резолвит их из DI и прогоняет через `IPipelineBehavior<,>`
-  (`ValidationBehavior` → `LoggingBehavior` → `UnitOfWorkBehavior`). Без внешних CQRS-библиотек, без
-  доменных событий — хендлер сам вызывает нужные порты (realtime/Telegram/аудит) синхронно.
+- **CQRS через [LiteCqrs.Net](https://github.com/mrleo1nid/LiteCqrs.Net)** (собственная лёгкая
+  CQRS-библиотека, не MediatR — сосед-репозиторий, пока подключён `ProjectReference`'ом): хендлеры
+  реализуют `ICommandHandler<TCommand,TResult>` / `IQueryHandler<,>`; `ISender` резолвит их из DI и
+  прогоняет через `IPipelineBehavior<,>` (`LoggingBehavior` → `ValidationBehavior` →
+  `RequireActivationBehavior` → `UnitOfWorkBehavior`, порядок задан в `AddLiteCqrs(...)`). Без
+  доменных событий — хендлер сам вызывает нужные порты (realtime/Telegram/аудит) синхронно;
+  библиотека умеет Notifications/pub-sub, но PnvPanel их не использует.
 - **Порты в Application, адаптеры в Infrastructure/Api**: никакого `Npgsql`/`SignalR`/`ThreeXui.Net` в
   Application/Domain — только интерфейсы, реализации могут жить и в `Infrastructure`, и в `Api`
   (`IRealtimeNotifier` реализован в `Api/Hubs`, т.к. завязан на `IHubContext<PanelHub>`).
diff --git a/docs/tech-stack.md b/docs/tech-stack.md
index ad16710..980ca56 100644
--- a/docs/tech-stack.md
+++ b/docs/tech-stack.md
@@ -4,11 +4,17 @@
 
 - **Платформа**: .NET 10, ASP.NET Core Web API (Minimal API).
 - **Архитектура**: Clean Architecture, 4 проекта — `Domain / Application / Infrastructure / Api`.
-- **CQRS**: собственный тонкий диспетчер (`ISender`), без MediatR. `ISender.Send()` резолвит
-  `ICommandHandler<,>`/`IQueryHandler<,>` из DI и прогоняет через `IPipelineBehavior<,>`:
-  `ValidationBehavior` (FluentValidation), `LoggingBehavior`, `UnitOfWorkBehavior` (транзакция +
-  `SaveChangesAsync` на команду). Авторизация проверяется на уровне эндпоинта
-  (`RequireAuthorization(...)`), более тонкие проверки (владение, активация) — в хендлере.
+- **CQRS**: через [`LiteCqrs.Net`](https://github.com/mrleo1nid/LiteCqrs.Net) — собственную лёгкую
+  CQRS-библиотеку (сосед-репозиторий, на время разработки подключён `ProjectReference`'ом; ещё не
+  опубликован в NuGet), альтернативу MediatR с явным разделением Command/Query. `ISender.Send()`
+  резолвит `ICommandHandler<,>`/`IQueryHandler<,>` из DI (dynamic-free кэшированный диспетчер) и
+  прогоняет через `IPipelineBehavior<,>`: `LoggingBehavior` (готовый, из `LiteCqrs.Behaviors`),
+  `ValidationBehavior` (FluentValidation, свой), `RequireActivationBehavior` (свой),
+  `UnitOfWorkBehavior` (транзакция + `SaveChangesAsync` на команду, свой) — регистрация через
+  `AddLiteCqrs(...)` в `PnvPanel.Application/DependencyInjection.cs`. Библиотека также даёт
+  Notifications/pub-sub, exception behaviors и streaming-запросы — PnvPanel их пока не использует.
+  Авторизация проверяется на уровне эндпоинта (`RequireAuthorization(...)`), более тонкие проверки
+  (владение, активация) — в хендлере.
 - **Валидация**: FluentValidation, подключается через `ValidationBehavior` (не для каждой команды —
   только там, где есть что проверить помимо типов).
 - **Маппинг**: вручную, статический метод `XxxDto.FromDomain(entity)` на самом DTO.