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/waitForText.js

@@ -0,0 +1,24 @@
+const browser = require('../browser');
+
+module.exports = async ({ text, timeout = 15000 }) => {
+  if (!text) throw new Error('Texto é obrigatório');
+  await browser.start();
+  
+  const p = await browser.ensurePage();
+  await p.waitForFunction((t) => {
+    return document.body.innerText.toLowerCase().includes(t.toLowerCase());
+  }, text, { timeout });
+  
+  const found = await p.evaluate((t) => {
+    const walker = document.createTreeWalker(document.body, NodeFilter.SHOW_TEXT);
+    let node;
+    while (node = walker.nextNode()) {
+      if (node.textContent.toLowerCase().includes(t.toLowerCase())) {
+        return true;
+      }
+    }
+    return false;
+  }, text);
+  
+  return { success: true, action: 'wait_for_text', text, found };
+};