fix(browser): persist role refs per targetId

src/browser/pw-session.test.ts

@@ -1,7 +1,12 @@
 import type { Page } from "playwright-core";
 import { describe, expect, it, vi } from "vitest";
 
-import { ensurePageState, refLocator } from "./pw-session.js";
+import {
+  ensurePageState,
+  refLocator,
+  rememberRoleRefsForTarget,
+  restoreRoleRefsForTarget,
+} from "./pw-session.js";
 
 function fakePage(): {
   page: Page;
@@ -59,6 +64,26 @@ describe("pw-session refLocator", () => {
   });
 });
 
+describe("pw-session role refs cache", () => {
+  it("restores refs for a different Page instance (same CDP targetId)", () => {
+    const cdpUrl = "http://127.0.0.1:9222";
+    const targetId = "t1";
+
+    rememberRoleRefsForTarget({
+      cdpUrl,
+      targetId,
+      refs: { e1: { role: "button", name: "OK" } },
+      frameSelector: "iframe#main",
+    });
+
+    const { page, mocks } = fakePage();
+    restoreRoleRefsForTarget({ cdpUrl, targetId, page });
+
+    refLocator(page, "e1");
+    expect(mocks.frameLocator).toHaveBeenCalledWith("iframe#main");
+  });
+});
+
 describe("pw-session ensurePageState", () => {
   it("tracks page errors and network requests (best-effort)", () => {
     const { page, handlers } = fakePage();