[Mod 0000]让模型思考等级默认为高

src/views/ventAI/manageAssistent/components/chatModal/ChatInputArea.vue

@@ -419,7 +419,7 @@
     { key: 'highest', label: '最高', desc: '极致思考，质量最高但较慢' },
   ];
 
-  const selectedThinkLevel = ref<ThinkLevelOption>(thinkLevelOptions[0]);
+  const selectedThinkLevel = ref<ThinkLevelOption>(thinkLevelOptions[1]);
 
   watch(
     () => props.initialThinkLevel,