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/mcp/browser/context.js

@@ -35,6 +35,7 @@ module.exports = __toCommonJS(context_exports);
 var import_fs = __toESM(require("fs"));
 var import_path = __toESM(require("path"));
 var import_utilsBundle = require("playwright-core/lib/utilsBundle");
+var import_playwright_core = require("playwright-core");
 var import_log = require("../log");
 var import_tab = require("./tab");
 var import_config = require("./config");
@@ -74,6 +75,7 @@ class Context {
     const { browserContext } = await this._ensureBrowserContext();
     const page = await browserContext.newPage();
     this._currentTab = this._tabs.find((t) => t.page === page);
+    await this._currentTab.initializedPromise;
     return this._currentTab;
   }
   async selectTab(index) {
@@ -167,17 +169,6 @@ class Context {
     await this.closeBrowserContext();
     Context._allContexts.delete(this);
   }
-  async _setupRequestInterception(context) {
-    if (this.config.network?.allowedOrigins?.length) {
-      await context.route("**", (route) => route.abort("blockedbyclient"));
-      for (const origin of this.config.network.allowedOrigins)
-        await context.route(originOrHostGlob(origin), (route) => route.continue());
-    }
-    if (this.config.network?.blockedOrigins?.length) {
-      for (const origin of this.config.network.blockedOrigins)
-        await context.route(originOrHostGlob(origin), (route) => route.abort("blockedbyclient"));
-    }
-  }
   async ensureBrowserContext() {
     const { browserContext } = await this._ensureBrowserContext();
     return browserContext;
@@ -194,9 +185,10 @@ class Context {
   async _setupBrowserContext() {
     if (this._closeBrowserContextPromise)
       throw new Error("Another browser context is being closed.");
+    if (this.config.testIdAttribute)
+      import_playwright_core.selectors.setTestIdAttribute(this.config.testIdAttribute);
     const result = await this._browserContextFactory.createContext(this._clientInfo, this._abortController.signal, this._runningToolName);
     const { browserContext } = result;
-    await this._setupRequestInterception(browserContext);
     if (this.sessionLog)
       await InputRecorder.create(this, browserContext);
     for (const page of browserContext.pages())
@@ -221,15 +213,6 @@ class Context {
     };
   }
 }
-function originOrHostGlob(originOrHost) {
-  try {
-    const url = new URL(originOrHost);
-    if (url.origin !== "null")
-      return `${url.origin}/**`;
-  } catch {
-  }
-  return `*://${originOrHost}/**`;
-}
 class InputRecorder {
   constructor(context, browserContext) {
     this._context = context;