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/.ignored/highlight.js/lib/languages/plaintext.js

@@ -0,0 +1,19 @@
+/*
+Language: Plain text
+Author: Egor Rogov (e.rogov@postgrespro.ru)
+Description: Plain text without any highlighting.
+Category: common
+*/
+
+function plaintext(hljs) {
+  return {
+    name: 'Plain text',
+    aliases: [
+      'text',
+      'txt'
+    ],
+    disableAutodetect: true
+  };
+}
+
+module.exports = plaintext;