Fix structured output object selector conversion for OpenAI (home-assistant#150916)

Author: balloob

homeassistant/components/openai_conversation/entity.py

@@ -92,6 +92,8 @@
 def _adjust_schema(schema: dict[str, Any]) -> None:
     """Adjust the schema to be compatible with OpenAI API."""
     if schema["type"] == "object":
+        schema.setdefault("strict", True)
+        schema.setdefault("additionalProperties", False)
         if "properties" not in schema:
             return
 
@@ -125,8 +127,6 @@ def _format_structured_output(
 
     _adjust_schema(result)
 
-    result["strict"] = True
-    result["additionalProperties"] = False
     return result
 
 

tests/components/openai_conversation/test_entity.py

@@ -63,6 +63,8 @@ async def test_format_structured_output() -> None:
                         "item_value",
                     ],
                     "type": "object",
+                    "additionalProperties": False,
+                    "strict": True,
                 },
                 "type": "array",
             },