feat: switch provider cleans other custom providers and sets default model

src/i18n/en.ts

@@ -85,6 +85,8 @@ export const enTranslations: Record<TranslationKey, string> = {
   activate: "Activate",
   activated: "Activated",
   disabled: "Disabled",
+  switchTo: "Switch to",
+  inUse: "In use",
   unsavedChanges: "Unsaved changes",
   qwenActivateNotImplemented: "Qwen Code activation will be implemented in a follow-up.",
   importConfig: "Import current config",

src/i18n/zh.ts

@@ -83,6 +83,8 @@ export const zhTranslations = {
   activate: "启用",
   activated: "已启用",
   disabled: "已停用",
+  switchTo: "切换使用",
+  inUse: "使用中",
   unsavedChanges: "未保存修改",
   qwenActivateNotImplemented: "Qwen Code 启用功能将在后续实现。",
   importConfig: "导入当前配置",