fix(webui): normalize gemini endpoint and oauth callback status

src/pages/OAuthPage.tsx

@@ -281,7 +281,7 @@ export function OAuthPage() {
                         {t('auth_login.oauth_callback_button')}
                       </Button>
                     </div>
-                    {state.callbackStatus === 'success' && (
+                    {state.callbackStatus === 'success' && state.status === 'waiting' && (
                       <div className="status-badge success" style={{ marginTop: 8 }}>
                         {t('auth_login.oauth_callback_status_success')}
                       </div>

src/services/api/client.ts

@@ -82,6 +82,10 @@ class ApiClient {
       (config) => {
         // 设置 baseURL
         config.baseURL = this.apiBase;
+        if (config.url) {
+          // Normalize deprecated Gemini endpoint to the current path.
+          config.url = config.url.replace(/\/generative-language-api-key\b/g, '/gemini-api-key');
+        }
 
         // 添加认证头
         if (this.managementKey) {