Add Telegram bot integration and enhance user management features

- Introduced Telegram.Bot package for bot functionality.
- Updated user management to include Telegram linking and blocking features.
- Enhanced activation request handling with notifications via Telegram.
- Added new database entities for Telegram link tokens and login requests.
- Implemented traffic synchronization for client stats in the XuiPanelGateway.
- Updated application structure to support new test projects and improved dependency injection for Telegram services.

backend/src/PnvPanel.Application/Common/Interfaces/IAppDbContext.cs

@@ -2,9 +2,11 @@ using Microsoft.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore.Infrastructure;
 using PnvPanel.Domain.Activation;
 using PnvPanel.Domain.Apps;
+using PnvPanel.Domain.Audit;
 using PnvPanel.Domain.Configs;
 using PnvPanel.Domain.Inbounds;
 using PnvPanel.Domain.Nodes;
+using PnvPanel.Domain.Telegram;
 
 namespace PnvPanel.Application.Common.Interfaces;
 
@@ -12,12 +14,20 @@ public interface IAppDbContext
 {
     DbSet<ActivationRequest> ActivationRequests { get; }
 
+    DbSet<AuditLog> AuditLogs { get; }
+
+    DbSet<TelegramLinkToken> TelegramLinkTokens { get; }
+
+    DbSet<TelegramLoginRequest> TelegramLoginRequests { get; }
+
     DbSet<Node> Nodes { get; }
 
     DbSet<Inbound> Inbounds { get; }
 
     DbSet<VpnConfig> VpnConfigs { get; }
 
+    DbSet<TrafficSample> TrafficSamples { get; }
+
     DbSet<ClientApp> ClientApps { get; }
 
     /// <summary>Нужен для advisory-lock при проверке квоты конфигов (см. CreateVpnConfigCommandHandler).</summary>