修复预览控制台子路径静态资源

让控制服务原生托管 /build 页面与静态资源
保持内网 Nginx 路径透传并补充部署合同检查

scripts/check-preview-deployer.mjs

@@ -21,6 +21,10 @@ const systemd = readFileSync(
   'deploy/systemd/genarrative-preview-deployer.service',
   'utf8',
 );
+const server = readFileSync(
+  'server-rs/crates/preview-deployer-server/src/lib.rs',
+  'utf8',
+);
 const nginx = readFileSync(
   'deploy/nginx/genarrative-preview-deployer-lan.conf',
   'utf8',
@@ -118,6 +122,11 @@ assertIncludes(
   'location ^~ /build/',
   '内网 Nginx 必须提供 /build/ 路由。',
 );
+assertIncludes(
+  server,
+  '.nest_service("/build/assets", ServeDir::new(static_dir.join("assets")))',
+  '控制服务必须原生托管 /build 子路径，不能依赖 Nginx 隐式改写。',
+);
 assertIncludes(
   jobConfig,
   '<scriptPath>jenkins/Jenkinsfile.preview-deployer</scriptPath>',