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/zod-to-json-schema/dist/esm/Refs.js

@@ -0,0 +1,22 @@
+import { getDefaultOptions } from "./Options.js";
+export const getRefs = (options) => {
+    const _options = getDefaultOptions(options);
+    const currentPath = _options.name !== undefined
+        ? [..._options.basePath, _options.definitionPath, _options.name]
+        : _options.basePath;
+    return {
+        ..._options,
+        flags: { hasReferencedOpenAiAnyType: false },
+        currentPath: currentPath,
+        propertyPath: undefined,
+        seen: new Map(Object.entries(_options.definitions).map(([name, def]) => [
+            def._def,
+            {
+                def: def._def,
+                path: [..._options.basePath, _options.definitionPath, name],
+                // Resolution of references will be forced even though seen, so it's ok that the schema is undefined here for now.
+                jsonSchema: undefined,
+            },
+        ])),
+    };
+};