fixed passing parameters to runner

service.py

@@ -39,12 +39,12 @@ class LLMService:
     # ---------------------------- helpers ----------------------------
 
     def _to_model(self, data: Any) -> LLMServiceObj:
-        """Accepts LLMServiceObj or dict and returns a validated LLMServiceObj."""
-        if isinstance(data, LLMServiceObj):
-            return data
-        if isinstance(data, dict):
-            return LLMServiceObj(**data)
-        raise TypeError("LLMService expects an object payload (dict/LLMServiceObj).")
+        # Defensive: ensure required nested objects are dicts, not None
+        if data.get("FunctionCallData") is None:
+            data["FunctionCallData"] = {}
+        if data.get("UserInfo") is None:
+            data["UserInfo"] = {}
+        return LLMServiceObj(**data)
 
     async def _emit_result(
         self,
@@ -115,7 +115,11 @@ class LLMService:
                     pass
 
             # Create runner from factory (pass a plain dict for decoupling)
-            runner = await self._runner_factory(llm.model_dump(by_alias=True))
+            runner = await self._runner_factory({
+                **llm.model_dump(by_alias=True),
+                "_publisher": self._pub,
+                "_settings": settings,
+            })
             if not runner.IsEnabled:
                 await self._emit_result(
                     llm,