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/@aws-sdk/region-config-resolver/dist-cjs/regionConfig/stsRegionDefaultResolver.js

@@ -0,0 +1,20 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.warning = void 0;
+exports.stsRegionDefaultResolver = stsRegionDefaultResolver;
+const config_resolver_1 = require("@smithy/config-resolver");
+const node_config_provider_1 = require("@smithy/node-config-provider");
+function stsRegionDefaultResolver(loaderConfig = {}) {
+    return (0, node_config_provider_1.loadConfig)({
+        ...config_resolver_1.NODE_REGION_CONFIG_OPTIONS,
+        async default() {
+            if (!exports.warning.silence) {
+                console.warn("@aws-sdk - WARN - default STS region of us-east-1 used. See @aws-sdk/credential-providers README and set a region explicitly.");
+            }
+            return "us-east-1";
+        },
+    }, { ...config_resolver_1.NODE_REGION_CONFIG_FILE_OPTIONS, ...loaderConfig });
+}
+exports.warning = {
+    silence: false,
+};