feat: add Codex OAuth login and fix channel config display

- Add OpenAI Codex Device Code Flow login (backend polling + frontend modal)
- Codex provider integrated into preset dropdown (hides URL/API key fields)
- Sync provider model catalogs with Hermes system
- Fix channel config not displaying on first visit (wait for data load)
- Fix sidebar model list not refreshing after adding provider
- Add autocomplete="off" to API key input to prevent browser autofill

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

packages/client/src/i18n/locales/zh.ts

@@ -15,6 +15,7 @@ export default {
     loading: '加载中...',
     cancel: '取消',
     delete: '删除',
+    retry: '重试',
     edit: '编辑',
     save: '保存',
     saved: '已保存',
@@ -195,6 +196,12 @@ export default {
     providerDeleted: 'Provider 已删除',
     deleteProvider: '删除 Provider',
     deleteConfirm: '确定删除 "{name}" 吗？',
+    codexLoginTitle: 'OpenAI Codex 登录',
+    codexWaiting: '在授权页面输入以下代码完成登录：',
+    codexCopyCode: '代码已复制',
+    codexOpenLink: '打开授权页面',
+    codexApproved: '登录成功',
+    codexExpired: '授权已过期，请重试。',
     noProviders: '暂无 Provider，添加一个开始吧。',
     builtIn: '内置',
     customType: '自定义',