fix(runtime): bundle MindSearch MCP for production

scripts/build-portal-runtime.mjs

@@ -143,6 +143,26 @@ async function bundleSandboxMcp() {
   await run(esbuildBin, args);
 }
 
+async function bundleMindSearchMcp() {
+  if (!(await exists(esbuildBin))) {
+    throw new Error(`未找到 esbuild: ${esbuildBin}`);
+  }
+  console.log('==> 打包 MindSearch MCP 为单文件 runtime');
+  const args = [
+    'tkmind-search-mcp.mjs',
+    '--bundle',
+    '--platform=node',
+    '--format=esm',
+    `--target=${runtimeNodeTarget}`,
+    '--outfile=.runtime/portal/tkmind-search-mcp.mjs',
+    '--banner:js=import { createRequire as __createRequire } from "node:module"; const require = __createRequire(import.meta.url);',
+  ];
+  for (const pkg of externalPackages) {
+    args.push(`--external:${pkg}`);
+  }
+  await run(esbuildBin, args);
+}
+
 async function bundleAgentRunWorker() {
   if (!(await exists(esbuildBin))) {
     throw new Error(`未找到 esbuild: ${esbuildBin}`);
@@ -414,6 +434,7 @@ async function writeMetadata() {
       '',
       'Bundled alongside server.mjs (required for sandbox-fs MCP):',
       '  mindspace-sandbox-mcp.mjs  (esbuild bundle; includes schedule-service deps)',
+      '  tkmind-search-mcp.mjs       (esbuild bundle; required when MindSearch is enabled)',
       '  wechat-mp.bundle.mjs         (esbuild bundle; hot-swappable WeChat MP module)',
       '',
       'Post-deploy validation (scripts/check-mindspace-public-links.mjs):',
@@ -486,6 +507,7 @@ async function main() {
   await bundleServer();
   await bundleWechatMp();
   await bundleSandboxMcp();
+  await bundleMindSearchMcp();
   await bundleAgentRunWorker();
   if (runtimeInstallMode === 'bundle-node-modules' && !skipNodeModules) {
     await copyNodeModules();