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/jsonwebtoken/lib/NotBeforeError.js

@@ -0,0 +1,13 @@
+var JsonWebTokenError = require('./JsonWebTokenError');
+
+var NotBeforeError = function (message, date) {
+  JsonWebTokenError.call(this, message);
+  this.name = 'NotBeforeError';
+  this.date = date;
+};
+
+NotBeforeError.prototype = Object.create(JsonWebTokenError.prototype);
+
+NotBeforeError.prototype.constructor = NotBeforeError;
+
+module.exports = NotBeforeError;