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/classic/coerce.js

@@ -0,0 +1,17 @@
+import * as core from "../core/index.js";
+import * as schemas from "./schemas.js";
+export function string(params) {
+    return core._coercedString(schemas.ZodString, params);
+}
+export function number(params) {
+    return core._coercedNumber(schemas.ZodNumber, params);
+}
+export function boolean(params) {
+    return core._coercedBoolean(schemas.ZodBoolean, params);
+}
+export function bigint(params) {
+    return core._coercedBigint(schemas.ZodBigInt, params);
+}
+export function date(params) {
+    return core._coercedDate(schemas.ZodDate, params);
+}