修复 103 登录：API/5174 监听 0.0.0.0，preview 反代 /auth 到 8085。

105 nginx 需能访问 Studio 端口；5174 直连时也需把鉴权请求转发到 Admin API。

Co-authored-by: Cursor <cursoragent@cursor.com>

server/index.mjs

@@ -131,16 +131,17 @@ ready
       resolveCookieDomainForRequest,
     });
     const app = createAdminApp(services);
-    const server = app.listen(port, '127.0.0.1', () => {
+    const host = process.env.ADM_API_HOST?.trim() || '127.0.0.1';
+    const server = app.listen(port, host, () => {
       writePidFile();
-      console.log(`TKMind Admin API @ http://127.0.0.1:${port}`);
+      console.log(`TKMind Admin API @ http://${host}:${port}`);
     });
     server.on('close', removePidFile);
     server.on('error', (err) => {
       if (err?.code === 'EADDRINUSE') {
         const owner = lookupPortOwner(port);
         console.error(
-          `Admin API 无法启动：127.0.0.1:${port} 已被占用${owner ? `，当前占用者是 ${owner}` : ''}。`,
+          `Admin API 无法启动：${host}:${port} 已被占用${owner ? `，当前占用者是 ${owner}` : ''}。`,
         );
         console.error(`如需重启，可先停止旧进程，或修改 .env 中的 ADM_API_PORT。`);
       } else {