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.Infrastructure/Persistence/AppDbContext.cs

@@ -3,9 +3,11 @@ using Microsoft.EntityFrameworkCore;
 using PnvPanel.Application.Common.Interfaces;
 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;
 using PnvPanel.Infrastructure.Identity;
 
 namespace PnvPanel.Infrastructure.Persistence;
@@ -21,12 +23,20 @@ public class AppDbContext(DbContextOptions<AppDbContext> options)
 
     public DbSet<ActivationRequest> ActivationRequests => Set<ActivationRequest>();
 
+    public DbSet<AuditLog> AuditLogs => Set<AuditLog>();
+
+    public DbSet<TelegramLinkToken> TelegramLinkTokens => Set<TelegramLinkToken>();
+
+    public DbSet<TelegramLoginRequest> TelegramLoginRequests => Set<TelegramLoginRequest>();
+
     public DbSet<Node> Nodes => Set<Node>();
 
     public DbSet<Inbound> Inbounds => Set<Inbound>();
 
     public DbSet<VpnConfig> VpnConfigs => Set<VpnConfig>();
 
+    public DbSet<TrafficSample> TrafficSamples => Set<TrafficSample>();
+
     public DbSet<ClientApp> ClientApps => Set<ClientApp>();
 
     protected override void OnModelCreating(ModelBuilder modelBuilder)