create UserInterruptAgent with connection to UI

src/control_backend/main.py

@@ -39,6 +39,9 @@ from control_backend.agents.communication import RICommunicationAgent
 # LLM Agents
 from control_backend.agents.llm import LLMAgent
 
+# User Interrupt Agent
+from control_backend.agents.user_interrupt.user_interrupt_agent import UserInterruptAgent
+
 # Other backend imports
 from control_backend.api.v1.router import api_router
 from control_backend.core.config import settings
@@ -138,6 +141,12 @@ async def lifespan(app: FastAPI):
                 "name": settings.agent_settings.bdi_program_manager_name,
             },
         ),
+        "UserInterruptAgent": (
+            UserInterruptAgent,
+            {
+                "name": settings.agent_settings.user_interrupt_name,
+            },
+        ),
     }
 
     agents = []