reconstruct and build @anthropic-ai/claude-code source from source map

- Extract 4756 source files from cli.js.map (57MB)
- Set up Bun build system with bun:bundle feature flag shim
- Configure 90+ compile-time feature flags matching production defaults
- Inject MACRO constants (VERSION, BUILD_TIME, etc.)
- Create stubs for private packages (color-diff-napi, modifiers-napi, etc.)
- Install all public dependencies via pnpm
- Patch commander v14 to allow multi-char short flags (-d2e)
- Build output: dist/cli.js (22MB), verified working

claude-code-source/node_modules/@mixmark-io/domino/lib/Comment.js

@@ -0,0 +1,40 @@
+"use strict";
+module.exports = Comment;
+
+var Node = require('./Node');
+var CharacterData = require('./CharacterData');
+
+function Comment(doc, data) {
+  CharacterData.call(this);
+  this.nodeType = Node.COMMENT_NODE;
+  this.ownerDocument = doc;
+  this._data = data;
+}
+
+var nodeValue = {
+  get: function() { return this._data; },
+  set: function(v) {
+    if (v === null || v === undefined) { v = ''; } else { v = String(v); }
+    this._data = v;
+    if (this.rooted)
+      this.ownerDocument.mutateValue(this);
+  }
+};
+
+Comment.prototype = Object.create(CharacterData.prototype, {
+  nodeName: { value: '#comment' },
+  nodeValue: nodeValue,
+  textContent: nodeValue,
+  innerText: nodeValue,
+  data: {
+    get: nodeValue.get,
+    set: function(v) {
+      nodeValue.set.call(this, v===null ? '' : String(v));
+    },
+  },
+
+  // Utility methods
+  clone: { value: function clone() {
+    return new Comment(this.ownerDocument, this._data);
+  }},
+});