Add isolated teach flow on VM

site/app.py

@@ -20,6 +20,7 @@ from api import api_bp
 from v2.chunk_api import bp as v2_bp
 import redis_client
 import redis_worker
+from teach import teach_bp
 
 load_dotenv()
 
@@ -97,6 +98,7 @@ class ContractsApp:
         self.app.register_blueprint(upload_bp)
         self.app.register_blueprint(api_bp)
         self.app.register_blueprint(v2_bp)
+        self.app.register_blueprint(teach_bp)
 
     def _health(self):
         return "OK", 200, {"Content-Type": "text/plain"}