add room native flag

src/join-handlers/join-room.ts

@@ -11,7 +11,12 @@ export class JoinRoom {
       }
       this.logger.debug({ name: client.name, pass: msg.pass }, 'Joining room');
       const roomManager = this.ctx.get(() => RoomManager);
+      const existing = roomManager.findByName(msg.pass);
+      if (existing) {
+        return existing.join(client);
+      }
       const room = await roomManager.findOrCreateByName(msg.pass);
+      room.native = true;
       return room.join(client);
     });
   }

src/room/room-manager.ts

@@ -3,6 +3,12 @@ import { Room, RoomFinalizor } from './room';
 import BetterLock from 'better-lock';
 import { HostInfo } from 'ygopro-msg-encode';
 
+declare module './room' {
+  export interface Room { 
+    native?: boolean;
+  }
+}
+
 export class RoomManager {
   constructor(private ctx: Context) {}