Add SPA session validation and buglist, update migration docs

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

node_modules/playwright/lib/worker/workerMain.js

@@ -98,6 +98,7 @@ class WorkerMain extends import_process.ProcessRunner {
       const fakeTestInfo = new import_testInfo.TestInfoImpl(this._config, this._project, this._params, void 0, 0, () => {
       }, () => {
       }, () => {
+      }, () => {
       });
       const runnable = { type: "teardown" };
       await fakeTestInfo._runWithTimeout(runnable, () => this._loadIfNeeded()).catch(() => {
@@ -179,7 +180,7 @@ class WorkerMain extends import_process.ProcessRunner {
     let fatalUnknownTestIds;
     try {
       await this._loadIfNeeded();
-      const fileSuite = await (0, import_testLoader.loadTestFile)(runPayload.file, this._config.config.rootDir);
+      const fileSuite = await (0, import_testLoader.loadTestFile)(runPayload.file, this._config);
       const suite = (0, import_suiteUtils.bindFileSuiteToProject)(this._project, fileSuite);
       if (this._params.repeatEachIndex)
         (0, import_suiteUtils.applyRepeatEachIndex)(this._project, suite, this._params.repeatEachIndex);
@@ -222,6 +223,16 @@ class WorkerMain extends import_process.ProcessRunner {
       this._runFinished.resolve();
     }
   }
+  async customMessage(payload) {
+    try {
+      if (this._currentTest?.testId !== payload.testId)
+        throw new Error("Test has already stopped");
+      const response = await this._currentTest._onCustomMessageCallback?.(payload.request);
+      return { response };
+    } catch (error) {
+      return { response: {}, error: (0, import_util2.testInfoError)(error) };
+    }
+  }
   async _runTest(test, retry, nextTest) {
     const testInfo = new import_testInfo.TestInfoImpl(
       this._config,
@@ -231,7 +242,8 @@ class WorkerMain extends import_process.ProcessRunner {
       retry,
       (stepBeginPayload) => this.dispatchEvent("stepBegin", stepBeginPayload),
       (stepEndPayload) => this.dispatchEvent("stepEnd", stepEndPayload),
-      (attachment) => this.dispatchEvent("attach", attachment)
+      (attachment) => this.dispatchEvent("attach", attachment),
+      (testPausedPayload) => this.dispatchEvent("testPaused", testPausedPayload)
     );
     const processAnnotation = (annotation) => {
       testInfo.annotations.push(annotation);
@@ -318,10 +330,7 @@ class WorkerMain extends import_process.ProcessRunner {
     await testInfo._runAsStep({ title: "After Hooks", category: "hook" }, async () => {
       let firstAfterHooksError;
       try {
-        await testInfo._runWithTimeout({ type: "test", slot: afterHooksSlot }, async () => {
-          for (const fn of testInfo._onDidFinishTestFunctions)
-            await fn();
-        });
+        await testInfo._runWithTimeout({ type: "test", slot: afterHooksSlot }, () => testInfo._didFinishTestFunction());
       } catch (error) {
         firstAfterHooksError = firstAfterHooksError ?? error;
       }