feat: MCP Browser - servidor MCP para automação de navegador com Playwright

tools/waitForSelector.js

@@ -0,0 +1,22 @@
+const browser = require('../browser');
+
+module.exports = async ({ selector, timeout = 15000 }) => {
+  if (!selector) {
+    throw new Error('Selector é obrigatório');
+  }
+
+  await browser.start();
+  const p = await browser.ensurePage();
+
+  const el = await p.waitForSelector(selector, {
+    timeout,
+    state: 'attached'
+  });
+
+  return {
+    success: true,
+    action: "wait_for_selector",
+    selector,
+    found: !!el
+  };
+};