fix: keep only source-map extracted node_modules, exclude pnpm artifacts

Restore node_modules to exact state from cli.js.map extraction:
- Move .ignored/ and .ignored_* files back to original package paths
- Remove pnpm symlinks (replaced by real source-map directories)
- Update .gitignore: only exclude /dist/, .pnpm/, .bin/, .ignored* dirs
- All package dist/ folders are now preserved as part of source-map files

After clone, run `pnpm install` to get pnpm-managed symlinks for building.
The committed node_modules contains the original TypeScript/JS source files
as bundled in cli.js.

claude-code-source/node_modules/react-reconciler/cjs/react-reconciler-constants.production.js

@@ -0,0 +1,18 @@
+/**
+ * @license React
+ * react-reconciler-constants.production.js
+ *
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+"use strict";
+exports.ConcurrentRoot = 1;
+exports.ContinuousEventPriority = 8;
+exports.DefaultEventPriority = 32;
+exports.DiscreteEventPriority = 2;
+exports.IdleEventPriority = 268435456;
+exports.LegacyRoot = 0;
+exports.NoEventPriority = 0;