同步完整源码至远程：i18n 多语种 settings 文案 + AI 供应商设置与终端工作区进行中的修改（13 文件）

src/i18n/locales/zh-CN/settings.json

@@ -144,6 +144,12 @@
     "wechatDesc": "加入交流群，问题反馈与版本动态"
   },
   "ai": {
+    "retestConnection": "重新测试连接",
+    "cancelChanges": "取消修改",
+    "configuration": "配置详情",
+    "active": "默认",
+    "unsaved": "未保存",
+    "testBeforeSave": "先测试连接，通过后即可保存配置。",
     "presets": "供应商预设",
     "add": "添加",
     "configured": "已配置",
@@ -172,7 +178,7 @@
     "endpoint": "接口地址",
     "advanced": "高级",
     "allowHttp": "允许 HTTP（本机/内网）",
-    "setActive": "设为当前",
+    "setActive": "设为默认",
     "deleteTitle": "删除",
     "apiKeySaveFailed": "API 密钥保存失败",
     "providerNotFound": "供应商不存在",