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/highlightElement.js

@@ -0,0 +1,41 @@
+const browser = require('../browser');
+
+module.exports = async ({ selector, color = '#ff6b6b', duration = 500 }) => {
+  if (!selector) throw new Error('Selector é obrigatório');
+  await browser.start();
+  
+  const p = await browser.ensurePage();
+  
+  const result = await p.evaluate(({ sel, clr, dur }) => {
+    const el = document.querySelector(sel);
+    if (!el) return { success: false, error: 'Element not found' };
+    
+    const rect = el.getBoundingClientRect();
+    const highlight = document.createElement('div');
+    highlight.id = 'mcp-highlight-' + Date.now();
+    highlight.style.cssText = `
+      position: fixed;
+      left: ${rect.left}px;
+      top: ${rect.top}px;
+      width: ${rect.width}px;
+      height: ${rect.height}px;
+      border: 3px solid ${clr};
+      border-radius: 4px;
+      pointer-events: none;
+      z-index: 999999;
+      box-shadow: 0 0 10px ${clr};
+      animation: mcp-pulse ${dur}ms ease-out;
+    `;
+    
+    const style = document.createElement('style');
+    style.textContent = '@keyframes mcp-pulse { 0% { opacity: 1; transform: scale(1); } 100% { opacity: 0; transform: scale(1.1); } }';
+    document.head.appendChild(style);
+    document.body.appendChild(highlight);
+    
+    setTimeout(() => highlight.remove(), dur);
+    return { success: true };
+  }, { sel: selector, clr: color, dur: duration });
+  
+  if (!result.success) throw new Error(result.error);
+  return { success: true, action: 'highlight_element', selector, color };
+};