diff --git a/extensions/browser/src/browser/bridge-server.auth.test.ts b/extensions/browser/src/browser/bridge-server.auth.test.ts
index 4b765edc3b0..9166b2fede4 100644
--- a/extensions/browser/src/browser/bridge-server.auth.test.ts
+++ b/extensions/browser/src/browser/bridge-server.auth.test.ts
@@ -44,6 +44,7 @@ describe("startBrowserBridgeServer auth", () => {
     const bridge = await startBrowserBridgeServer({
       resolved: buildResolvedConfig(),
       ...authConfig,
+      skipRouteRegistrationForTest: true,
     });
     servers.push({ stop: () => stopBrowserBridgeServer(bridge.server) });
 
@@ -87,6 +88,7 @@ describe("startBrowserBridgeServer auth", () => {
     const bridge = await startBrowserBridgeServer({
       resolved: buildResolvedConfig(),
       authToken: "secret-token",
+      skipRouteRegistrationForTest: true,
       resolveSandboxNoVncToken: (token) => {
         resolveCalls += 1;
         if (token !== "valid-token") {
diff --git a/extensions/browser/src/browser/bridge-server.ts b/extensions/browser/src/browser/bridge-server.ts
index 0db57ca73d8..58db3318b42 100644
--- a/extensions/browser/src/browser/bridge-server.ts
+++ b/extensions/browser/src/browser/bridge-server.ts
@@ -5,13 +5,8 @@ import { normalizeOptionalString } from "openclaw/plugin-sdk/text-runtime";
 import { isLoopbackHost } from "../gateway/net.js";
 import { deleteBridgeAuthForPort, setBridgeAuthForPort } from "./bridge-auth-registry.js";
 import type { ResolvedBrowserConfig } from "./config.js";
-import { registerBrowserRoutes } from "./routes/index.js";
 import type { BrowserRouteRegistrar } from "./routes/types.js";
-import {
-  type BrowserServerState,
-  createBrowserRouteContext,
-  type ProfileContext,
-} from "./server-context.js";
+import type { BrowserServerState, ProfileContext } from "./server-context.js";
 import {
   hasVerifiedBrowserAuth,
   installBrowserAuthMiddleware,
@@ -67,6 +62,7 @@ export async function startBrowserBridgeServer(params: {
   authPassword?: string;
   onEnsureAttachTarget?: (profile: ProfileContext["profile"]) => Promise<void>;
   resolveSandboxNoVncToken?: (token: string) => ResolvedNoVncObserver | null;
+  skipRouteRegistrationForTest?: boolean;
 }): Promise<BrowserBridge> {
   const host = params.host ?? "127.0.0.1";
   if (!isLoopbackHost(host)) {
@@ -115,11 +111,21 @@ export async function startBrowserBridgeServer(params: {
     profiles: new Map(),
   };
 
-  const ctx = createBrowserRouteContext({
-    getState: () => state,
-    onEnsureAttachTarget: params.onEnsureAttachTarget,
-  });
-  registerBrowserRoutes(app as unknown as BrowserRouteRegistrar, ctx);
+  if (params.skipRouteRegistrationForTest) {
+    app.get("/", (_req, res) => {
+      res.status(200).send("OK");
+    });
+  } else {
+    const [{ createBrowserRouteContext }, { registerBrowserRoutes }] = await Promise.all([
+      import("./server-context.js"),
+      import("./routes/index.js"),
+    ]);
+    const ctx = createBrowserRouteContext({
+      getState: () => state,
+      onEnsureAttachTarget: params.onEnsureAttachTarget,
+    });
+    registerBrowserRoutes(app as unknown as BrowserRouteRegistrar, ctx);
+  }
 
   const server = await new Promise<Server>((resolve, reject) => {
     const s = app.listen(port, host, () => resolve(s));