## Cleanup Complete All cleanup tasks for the Alba migration have been completed: ### Verification Results: 1. **Gemfile/Gemfile.lock** - `jsonapi-serializer` already removed in original migration PR ✓ 2. **Code comments** - No jsonapi-serializer references remain in codebase ✓ 3. **Documentation** - Created comprehensive migration summary at `/docs/ALBA_MIGRATION.md` ✓ ### Migration Summary Document Created: - Breaking changes summary - API format comparison (before/after) - Migration guide for API consumers - Notes on circular reference handling ### Commit: - Commit 52e87f6: "docs: Add Alba migration summary document" This completes the final subtask of the Alba migration epic (ticket #46).