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/es-errors/eval.js

@@ -0,0 +1,4 @@
+'use strict';
+
+/** @type {import('./eval')} */
+module.exports = EvalError;

claude-code-source/node_modules/es-errors/index.js

@@ -0,0 +1,4 @@
+'use strict';
+
+/** @type {import('.')} */
+module.exports = Error;

claude-code-source/node_modules/es-errors/range.js

@@ -0,0 +1,4 @@
+'use strict';
+
+/** @type {import('./range')} */
+module.exports = RangeError;

claude-code-source/node_modules/es-errors/ref.js

@@ -0,0 +1,4 @@
+'use strict';
+
+/** @type {import('./ref')} */
+module.exports = ReferenceError;

claude-code-source/node_modules/es-errors/syntax.js

@@ -0,0 +1,4 @@
+'use strict';
+
+/** @type {import('./syntax')} */
+module.exports = SyntaxError;

claude-code-source/node_modules/es-errors/type.js

@@ -0,0 +1,4 @@
+'use strict';
+
+/** @type {import('./type')} */
+module.exports = TypeError;

claude-code-source/node_modules/es-errors/uri.js

@@ -0,0 +1,4 @@
+'use strict';
+
+/** @type {import('./uri')} */
+module.exports = URIError;