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/v4/mini/external.js

@@ -0,0 +1,13 @@
+export * as core from "../core/index.js";
+export * from "./parse.js";
+export * from "./schemas.js";
+export * from "./checks.js";
+export { globalRegistry, registry, config, $output, $input, $brand, function, clone, regexes, treeifyError, prettifyError, formatError, flattenError, toJSONSchema, TimePrecision, NEVER, } from "../core/index.js";
+export * as locales from "../locales/index.js";
+/** A special constant with type `never` */
+// export const NEVER = {} as never;
+// iso
+export * as iso from "./iso.js";
+export { ZodMiniISODateTime, ZodMiniISODate, ZodMiniISOTime, ZodMiniISODuration, } from "./iso.js";
+// coerce
+export * as coerce from "./coerce.js";