.

models.py

@@ -28,7 +28,13 @@ class CloudEvent(BaseModel):
         )
 
 
-# ---------- Permissive ancillary types you referenced ----------
+from typing import Any, Dict, Optional, List
+from datetime import datetime, timezone
+from pydantic import BaseModel, Field, ConfigDict  # <-- add ConfigDict
+
+# ... keep CloudEvent as you had it ...
+
+# ---------- Permissive ancillary types ----------
 class FunctionState(BaseModel):
     IsFunctionCall: bool = False
     IsFunctionCallResponse: bool = False
@@ -36,7 +42,6 @@ class FunctionState(BaseModel):
     IsFunctionCallStatus: bool = False
     IsFunctionStillRunning: bool = False
 
-    # Convenience to set the 5-tuple like your C# SetFunctionState
     def set_tuple(self, call: bool, resp: bool, err: bool, status: bool, running: bool):
         self.IsFunctionCall = call
         self.IsFunctionCallResponse = resp
@@ -44,15 +49,13 @@ class FunctionState(BaseModel):
         self.IsFunctionCallStatus = status
         self.IsFunctionStillRunning = running
 
-
 class FunctionCallData(BaseModel):
-    # Add fields as you need; permissive placeholder
-    __root__: dict = Field(default_factory=dict)
-
+    # Accept any extra keys (v2 style)
+    model_config = ConfigDict(extra="allow")
 
 class UserInfo(BaseModel):
-    # Add fields as you need; permissive placeholder
-    __root__: dict = Field(default_factory=dict)
+    # Accept any extra keys (v2 style)
+    model_config = ConfigDict(extra="allow")
 
 
 # ---------- LLMServiceObj (field names match C# exactly) ----------