feat: update MCP config and TOOLS.md with calendar/contacts note

.agents/skills/dingtalk-api/node_modules/xmlbuilder/lib/XMLStringWriter.js

@@ -0,0 +1,35 @@
+// Generated by CoffeeScript 1.12.7
+(function() {
+  var XMLStringWriter, XMLWriterBase,
+    extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
+    hasProp = {}.hasOwnProperty;
+
+  XMLWriterBase = require('./XMLWriterBase');
+
+  module.exports = XMLStringWriter = (function(superClass) {
+    extend(XMLStringWriter, superClass);
+
+    function XMLStringWriter(options) {
+      XMLStringWriter.__super__.constructor.call(this, options);
+    }
+
+    XMLStringWriter.prototype.document = function(doc, options) {
+      var child, i, len, r, ref;
+      options = this.filterOptions(options);
+      r = '';
+      ref = doc.children;
+      for (i = 0, len = ref.length; i < len; i++) {
+        child = ref[i];
+        r += this.writeChildNode(child, options, 0);
+      }
+      if (options.pretty && r.slice(-options.newline.length) === options.newline) {
+        r = r.slice(0, -options.newline.length);
+      }
+      return r;
+    };
+
+    return XMLStringWriter;
+
+  })(XMLWriterBase);
+
+}).call(this);