diff --git a/extensions/memory-lancedb/index.test.ts b/extensions/memory-lancedb/index.test.ts
index c0aa2cbf62d..712e87c8f6c 100644
--- a/extensions/memory-lancedb/index.test.ts
+++ b/extensions/memory-lancedb/index.test.ts
@@ -8,10 +8,7 @@
  * - Auto-capture filtering
  */
 
-import fs from "node:fs/promises";
-import os from "node:os";
-import path from "node:path";
-import { describe, test, expect, beforeEach, afterEach, vi } from "vitest";
+import { describe, test, expect, vi } from "vitest";
 import memoryPlugin, {
   detectCategory,
   formatRelevantMemoriesContext,
@@ -19,6 +16,7 @@ import memoryPlugin, {
   shouldCapture,
 } from "./index.js";
 import { createLanceDbRuntimeLoader, type LanceDbRuntimeLogger } from "./lancedb-runtime.js";
+import { installTmpDirHarness } from "./test-helpers.js";
 
 const OPENAI_API_KEY = process.env.OPENAI_API_KEY ?? "test-key";
 type MemoryPluginTestConfig = {
@@ -51,27 +49,6 @@ type RuntimeManifest = {
   dependencies: Record<string, string>;
 };
 
-function installTmpDirHarness(params: { prefix: string }) {
-  let tmpDir = "";
-  let dbPath = "";
-
-  beforeEach(async () => {
-    tmpDir = await fs.mkdtemp(path.join(os.tmpdir(), params.prefix));
-    dbPath = path.join(tmpDir, "lancedb");
-  });
-
-  afterEach(async () => {
-    if (tmpDir) {
-      await fs.rm(tmpDir, { recursive: true, force: true });
-    }
-  });
-
-  return {
-    getTmpDir: () => tmpDir,
-    getDbPath: () => dbPath,
-  };
-}
-
 function createMockModule(): LanceDbModule {
   return {
     connect: vi.fn(),
diff --git a/extensions/memory-lancedb/memory-lancedb.live.test.ts b/extensions/memory-lancedb/memory-lancedb.live.test.ts
index 663a6dd5bcc..dd983ea2c7b 100644
--- a/extensions/memory-lancedb/memory-lancedb.live.test.ts
+++ b/extensions/memory-lancedb/memory-lancedb.live.test.ts
@@ -1,34 +1,11 @@
-import fs from "node:fs/promises";
-import os from "node:os";
-import path from "node:path";
-import { afterEach, beforeEach, describe, expect, test } from "vitest";
+import { describe, expect, test } from "vitest";
+import { installTmpDirHarness } from "./test-helpers.js";
 
 const OPENAI_API_KEY = process.env.OPENAI_API_KEY ?? "";
 const HAS_OPENAI_KEY = Boolean(process.env.OPENAI_API_KEY);
 const liveEnabled = HAS_OPENAI_KEY && process.env.OPENCLAW_LIVE_TEST === "1";
 const describeLive = liveEnabled ? describe : describe.skip;
 
-function installTmpDirHarness(params: { prefix: string }) {
-  let tmpDir = "";
-  let dbPath = "";
-
-  beforeEach(async () => {
-    tmpDir = await fs.mkdtemp(path.join(os.tmpdir(), params.prefix));
-    dbPath = path.join(tmpDir, "lancedb");
-  });
-
-  afterEach(async () => {
-    if (tmpDir) {
-      await fs.rm(tmpDir, { recursive: true, force: true });
-    }
-  });
-
-  return {
-    getTmpDir: () => tmpDir,
-    getDbPath: () => dbPath,
-  };
-}
-
 // Live tests that require OpenAI API key and actually use LanceDB
 describeLive("memory plugin live tests", () => {
   const { getDbPath } = installTmpDirHarness({ prefix: "openclaw-memory-live-" });
diff --git a/extensions/memory-lancedb/test-helpers.ts b/extensions/memory-lancedb/test-helpers.ts
new file mode 100644
index 00000000000..aaf5791bf50
--- /dev/null
+++ b/extensions/memory-lancedb/test-helpers.ts
@@ -0,0 +1,25 @@
+import fs from "node:fs/promises";
+import os from "node:os";
+import path from "node:path";
+import { afterEach, beforeEach } from "vitest";
+
+export function installTmpDirHarness(params: { prefix: string }) {
+  let tmpDir = "";
+  let dbPath = "";
+
+  beforeEach(async () => {
+    tmpDir = await fs.mkdtemp(path.join(os.tmpdir(), params.prefix));
+    dbPath = path.join(tmpDir, "lancedb");
+  });
+
+  afterEach(async () => {
+    if (tmpDir) {
+      await fs.rm(tmpDir, { recursive: true, force: true });
+    }
+  });
+
+  return {
+    getTmpDir: () => tmpDir,
+    getDbPath: () => dbPath,
+  };
+}