.

models.py

@@ -208,6 +208,23 @@ class LLMServiceObj(BaseModel):
     – same JSON/wire names via aliases, no Pydantic forward-ref clash.
     """
     model_config = ConfigDict(populate_by_name=True)
+    # ---------------- Convenience accessors (no name shadowing) ----------------
+    # Allow llm.FunctionCallData / llm.UserInfo while real fields stay
+    # function_call_data / user_info (aliased for JSON).
+    
+    def __getattr__(self, name):
+        if name == "FunctionCallData":
+            return super().__getattribute__("function_call_data")
+        if name == "UserInfo":
+            return super().__getattribute__("user_info")
+        raise AttributeError(f"{type(self).__name__} has no attribute {name!r}")
+
+    def __setattr__(self, name, value):
+        if name == "FunctionCallData":
+            return super().__setattr__("function_call_data", value)
+        if name == "UserInfo":
+            return super().__setattr__("user_info", value)
+        return super().__setattr__(name, value)
 
     # --- core strings ---
     MessageID: str = Field(default_factory=_nanoid)
@@ -468,22 +485,7 @@ class LLMServiceObj(BaseModel):
         except Exception:
             return int(datetime.now(timezone.utc).timestamp())
 
-    # ---------- Optional: keep .FunctionCallData / .UserInfo attribute names ----------
-    # (handy if other code already references those names in Python)
-    @property
-    def FunctionCallData(self) -> FunctionCallData:
-        return self.function_call_data
-    @FunctionCallData.setter
-    def FunctionCallData(self, v: FunctionCallData) -> None:
-        self.function_call_data = v
-
-    @property
-    def UserInfo(self) -> UserInfo:
-        return self.user_info
-    @UserInfo.setter
-    def UserInfo(self, v: UserInfo) -> None:
-        self.user_info = v
-
+   
 
 # ---------- ResultObj ----------
 class ResultObj(BaseModel):
@@ -491,4 +493,4 @@ class ResultObj(BaseModel):
     Success: bool = False
     Data: Optional[Any] = None
 
-LLMServiceObj.update_forward_refs()
+