Clarify turn detection language validation errors

Author: digitallysavvy

src/agora_agent/agentkit/agent.py

@@ -306,7 +306,7 @@ def _is_turn_detection_language(value: typing.Any) -> bool:
 
 def _validate_turn_detection_language(value: typing.Any) -> TurnDetectionLanguage:
     if not _is_turn_detection_language(value):
-        raise ValueError(f"Invalid interaction language: {value}")
+        raise ValueError(f"Invalid turn_detection.language: {value}")
     return value  # type: ignore[return-value]
 
 

tests/custom/test_stt_language.py

@@ -73,7 +73,7 @@ def test_turn_detection_language_can_differ_from_provider_language() -> None:
 
 
 def test_invalid_turn_detection_language_is_rejected() -> None:
-    with pytest.raises(ValueError, match="Invalid interaction language: xx"):
+    with pytest.raises(ValueError, match="Invalid turn_detection.language: xx"):
         properties(Agent(turn_detection=TurnDetectionConfig(language="xx")))  # type: ignore[arg-type]