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-crypto/util/build/index.js

@@ -0,0 +1,14 @@
+"use strict";
+// Copyright Amazon.com Inc. or its affiliates. All Rights Reserved.
+// SPDX-License-Identifier: Apache-2.0
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.uint32ArrayFrom = exports.numToUint8 = exports.isEmptyData = exports.convertToBuffer = void 0;
+var convertToBuffer_1 = require("./convertToBuffer");
+Object.defineProperty(exports, "convertToBuffer", { enumerable: true, get: function () { return convertToBuffer_1.convertToBuffer; } });
+var isEmptyData_1 = require("./isEmptyData");
+Object.defineProperty(exports, "isEmptyData", { enumerable: true, get: function () { return isEmptyData_1.isEmptyData; } });
+var numToUint8_1 = require("./numToUint8");
+Object.defineProperty(exports, "numToUint8", { enumerable: true, get: function () { return numToUint8_1.numToUint8; } });
+var uint32ArrayFrom_1 = require("./uint32ArrayFrom");
+Object.defineProperty(exports, "uint32ArrayFrom", { enumerable: true, get: function () { return uint32ArrayFrom_1.uint32ArrayFrom; } });
+//# sourceMappingURL=index.js.map