diff --git a/extensions/msteams/package.json b/extensions/msteams/package.json
index 6365de0b725..c29afcfebbb 100644
--- a/extensions/msteams/package.json
+++ b/extensions/msteams/package.json
@@ -5,7 +5,8 @@
   "type": "module",
   "dependencies": {
     "@microsoft/agents-hosting": "^1.3.1",
-    "express": "^5.2.1"
+    "express": "^5.2.1",
+    "uuid": "^11.1.0"
   },
   "openclaw": {
     "extensions": [
diff --git a/package.json b/package.json
index 124f51927db..5b7887dcef4 100644
--- a/package.json
+++ b/package.json
@@ -718,6 +718,7 @@
     "tar": "7.5.11",
     "tslog": "^4.10.2",
     "undici": "^7.24.4",
+    "uuid": "^11.1.0",
     "ws": "^8.19.0",
     "yaml": "^2.8.2",
     "zod": "^4.3.6"
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 0447e4ef9bc..73e329eedb2 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -196,6 +196,9 @@ importers:
       undici:
         specifier: ^7.24.4
         version: 7.24.4
+      uuid:
+        specifier: ^11.1.0
+        version: 11.1.0
       ws:
         specifier: ^8.19.0
         version: 8.19.0
@@ -477,6 +480,9 @@ importers:
       express:
         specifier: ^5.2.1
         version: 5.2.1
+      uuid:
+        specifier: ^11.1.0
+        version: 11.1.0
 
   extensions/nextcloud-talk:
     dependencies:
diff --git a/scripts/tsdown-build.mjs b/scripts/tsdown-build.mjs
index 871e89ddbf0..79f24ea65b8 100644
--- a/scripts/tsdown-build.mjs
+++ b/scripts/tsdown-build.mjs
@@ -1,6 +1,8 @@
 #!/usr/bin/env node
 
 import { spawnSync } from "node:child_process";
+import fs from "node:fs";
+import path from "node:path";
 
 const logLevel = process.env.OPENCLAW_BUILD_VERBOSE ? "info" : "warn";
 const extraArgs = process.argv.slice(2);
@@ -8,6 +10,38 @@ const INEFFECTIVE_DYNAMIC_IMPORT_RE = /\[INEFFECTIVE_DYNAMIC_IMPORT\]/;
 const UNRESOLVED_IMPORT_RE = /\[UNRESOLVED_IMPORT\]/;
 const ANSI_ESCAPE_RE = new RegExp(String.raw`\u001B\[[0-9;]*m`, "g");
 
+function removeDistPluginNodeModulesSymlinks(rootDir) {
+  const extensionsDir = path.join(rootDir, "extensions");
+  if (!fs.existsSync(extensionsDir)) {
+    return;
+  }
+
+  for (const dirent of fs.readdirSync(extensionsDir, { withFileTypes: true })) {
+    if (!dirent.isDirectory()) {
+      continue;
+    }
+    const nodeModulesPath = path.join(extensionsDir, dirent.name, "node_modules");
+    try {
+      if (fs.lstatSync(nodeModulesPath).isSymbolicLink()) {
+        fs.rmSync(nodeModulesPath, { force: true, recursive: true });
+      }
+    } catch {
+      // Skip missing or unreadable paths so the build can proceed.
+    }
+  }
+}
+
+function pruneStaleRuntimeSymlinks() {
+  const cwd = process.cwd();
+  // runtime-postbuild links dist/dist-runtime plugin node_modules back into the
+  // source extensions. Remove only those symlinks up front so tsdown's clean
+  // step cannot traverse into the active pnpm install tree on rebuilds.
+  removeDistPluginNodeModulesSymlinks(path.join(cwd, "dist"));
+  removeDistPluginNodeModulesSymlinks(path.join(cwd, "dist-runtime"));
+}
+
+pruneStaleRuntimeSymlinks();
+
 function findFatalUnresolvedImport(lines) {
   for (const line of lines) {
     if (!UNRESOLVED_IMPORT_RE.test(line)) {