fix

backend/app/schemas/__init__.py

@@ -237,3 +237,15 @@ class TriggerCreate(BaseModel):
     fire_at: str
     description: str
     payload: Dict[str, Any] = Field(default_factory=dict)
+
+
+
+# === World Editor (AI-assisted editing of an existing world) ===
+class WorldEditorChatRequest(BaseModel):
+    message: str = Field(min_length=1, max_length=4000)
+
+
+class WorldEditorChatReply(BaseModel):
+    ai_message: str
+    definition: Optional[Dict[str, Any]] = None
+    changed: bool = False