fix: remove default model selection for audio tool (langgenius#10729)

Author: hjlarry

api/core/tools/provider/builtin/audio/tools/asr.py

@@ -57,13 +57,12 @@ def get_runtime_parameters(self) -> list[ToolParameter]:
                 name="model",
                 label=I18nObject(en_US="Model", zh_Hans="Model"),
                 human_description=I18nObject(
-                    en_US="All available ASR models",
-                    zh_Hans="所有可用的 ASR 模型",
+                    en_US="All available ASR models. You can config model in the Model Provider of Settings.",
+                    zh_Hans="所有可用的 ASR 模型。你可以在设置中的模型供应商里配置。",
                 ),
                 type=ToolParameter.ToolParameterType.SELECT,
                 form=ToolParameter.ToolParameterForm.FORM,
                 required=True,
-                default=options[0].value,
                 options=options,
             )
         )

api/core/tools/provider/builtin/audio/tools/tts.py

@@ -77,13 +77,12 @@ def get_runtime_parameters(self) -> list[ToolParameter]:
                 name="model",
                 label=I18nObject(en_US="Model", zh_Hans="Model"),
                 human_description=I18nObject(
-                    en_US="All available TTS models",
-                    zh_Hans="所有可用的 TTS 模型",
+                    en_US="All available TTS models. You can config model in the Model Provider of Settings.",
+                    zh_Hans="所有可用的 TTS 模型。你可以在设置中的模型供应商里配置。",
                 ),
                 type=ToolParameter.ToolParameterType.SELECT,
                 form=ToolParameter.ToolParameterForm.FORM,
                 required=True,
-                default=options[0].value,
                 options=options,
             ),
         )