diff --git a/extensions/browser/setup-api.ts b/extensions/browser/setup-api.ts
index 23a9821fa8a..a2cdc1f2221 100644
--- a/extensions/browser/setup-api.ts
+++ b/extensions/browser/setup-api.ts
@@ -1,9 +1,6 @@
 import type { OpenClawConfig } from "openclaw/plugin-sdk/plugin-entry";
 import { definePluginEntry } from "openclaw/plugin-sdk/plugin-entry";
-
-function isRecord(value: unknown): value is Record<string, unknown> {
-  return Boolean(value) && typeof value === "object" && !Array.isArray(value);
-}
+import { isRecord } from "./src/record-shared.js";
 
 function listContainsBrowser(value: unknown): boolean {
   return (
diff --git a/extensions/browser/src/record-shared.ts b/extensions/browser/src/record-shared.ts
index 7b4ae081a6f..fab9276ca88 100644
--- a/extensions/browser/src/record-shared.ts
+++ b/extensions/browser/src/record-shared.ts
@@ -1,5 +1,7 @@
-export function asRecord(value: unknown): Record<string, unknown> | null {
-  return value && typeof value === "object" && !Array.isArray(value)
-    ? (value as Record<string, unknown>)
-    : null;
+export function isRecord(value: unknown): value is Record<string, unknown> {
+  return Boolean(value) && typeof value === "object" && !Array.isArray(value);
+}
+
+export function asRecord(value: unknown): Record<string, unknown> | null {
+  return isRecord(value) ? value : null;
 }