remove：移除utils_small模型，统一使用tool_use模型，移除弃用的LLM_judge类型

src/plugins/built_in/tts_plugin/_manifest.json

@@ -28,7 +28,7 @@
         "type": "action",
         "name": "tts_action", 
         "description": "将文本转换为语音进行播放",
-        "activation_modes": ["llm_judge", "keyword"],
+        "activation_modes": ["keyword"],
         "keywords": ["语音", "tts", "播报", "读出来", "语音播放", "听", "朗读"]
       }
     ],

src/plugins/built_in/tts_plugin/plugin.py

@@ -13,7 +13,9 @@ class TTSAction(BaseAction):
     """TTS语音转换动作处理类"""
 
     # 激活设置
-    activation_type = ActionActivationType.LLM_JUDGE
+    activation_type = ActionActivationType.KEYWORD
+    activation_keywords = ["语音", "tts", "播报", "读出来", "语音播放", "听", "朗读"]
+    keyword_case_sensitive = False
     parallel_action = False
 
     # 动作基本信息