feat: add dcrouter external gateway sync

ts/classes/onebox.ts

@@ -24,6 +24,7 @@ import { AppStoreManager } from './appstore.ts';
 import { ProxyLogReceiver } from './proxy-log-receiver.ts';
 import { BackupManager } from './backup-manager.ts';
 import { BackupScheduler } from './backup-scheduler.ts';
+import { ExternalGatewayManager } from './external-gateway.ts';
 import { OpsServer } from '../opsserver/index.ts';
 
 export class Onebox {
@@ -44,6 +45,7 @@ export class Onebox {
   public proxyLogReceiver: ProxyLogReceiver;
   public backupManager: BackupManager;
   public backupScheduler: BackupScheduler;
+  public externalGateway: ExternalGatewayManager;
   public opsServer: OpsServer;
 
   private initialized = false;
@@ -86,6 +88,9 @@ export class Onebox {
     // Initialize Backup scheduler
     this.backupScheduler = new BackupScheduler(this);
 
+    // Initialize optional dcrouter edge gateway integration
+    this.externalGateway = new ExternalGatewayManager(this);
+
     // Initialize OpsServer (TypedRequest-based server)
     this.opsServer = new OpsServer(this);
   }
@@ -160,6 +165,14 @@ export class Onebox {
         logger.warn('Cloudflare domain sync initialization failed - domain sync will be limited');
       }
 
+      // Initialize external dcrouter gateway (non-critical)
+      try {
+        await this.externalGateway.init();
+      } catch (error) {
+        logger.warn('External dcrouter gateway initialization failed - edge sync will be disabled');
+        logger.warn(`Error: ${getErrorMessage(error)}`);
+      }
+
       // Initialize Onebox Registry (non-critical)
       try {
         await this.registry.init();