feat: MCP Browser v3.1.1 - 56+ tools, visual overlays, fixes

- Added 9 new tools: visual overlay, highlight, toast, drag-drop, etc.
- Fixed evaluateJS to support function arguments
- Fixed hover for non-visible elements
- Fixed storage operations with try/catch
- Added 10 new wait tools: clickable, element visible, text
- Fixed tool name mapping in server.js for MCP protocol
- Updated README with 60+ tools documentation
- Version bump to 3.1.1

tools/getText.js

@@ -1,9 +1,9 @@
 const browser = require('../browser');
 
-module.exports = async ({ selector = 'body' }) => {
-  await browser.start();
-  const text = await browser.evaluateJS((sel) => {
-    const el = document.querySelector(sel);
+module.exports = async function({ selector = 'body' }) {
+  const p = await browser.ensurePage();
+  const text = await p.evaluate(function(s) {
+    var el = document.querySelector(s);
     if (!el) return null;
     return (el.innerText || el.textContent || '').trim();
   }, selector);