docs: comprehensive CLAUDE.md overhaul with library reference system

- Restructure CLAUDE.md with clearer sections and updated metadata
- Add research guidelines emphasizing subagent usage and documentation-first approach
- Create library reference guide covering all 61 libraries across 12 domains
- Add automated library reference generation tool
- Complete test coverage for reward order confirmation feature (6 new spec files)
- Refine product info components and adapters with improved documentation
- Update workflows documentation for checkout service
- Fix ESLint issues: case declarations, unused imports, and unused variables

package.json

@@ -16,7 +16,8 @@
     "prettier": "prettier --write .",
     "pretty-quick": "pretty-quick --staged",
     "prepare": "husky",
-    "storybook": "npx nx run isa-app:storybook"
+    "storybook": "npx nx run isa-app:storybook",
+    "docs:generate": "node tools/generate-library-reference.js"
   },
   "private": true,
   "dependencies": {