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/@anthropic-ai/sdk/internal/request-options.mjs

@@ -0,0 +1,10 @@
+// File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
+export const FallbackEncoder = ({ headers, body }) => {
+    return {
+        bodyHeaders: {
+            'content-type': 'application/json',
+        },
+        body: JSON.stringify(body),
+    };
+};
+//# sourceMappingURL=request-options.mjs.map