Rails Simplicity Review

Find unnecessary classes and abstractions in a Rails codebase and report each with a concrete refactoring. Report only; edit code only if the user asks.

Copy this checklist and check off each step:

- [ ] 1. Resolve the scope and list the files
- [ ] 2. Load simplifying-ruby-code (or use the fallback patterns)
- [ ] 3. Scan each file for the anti-patterns
- [ ] 4. Grep callers for every removal or inlining candidate
- [ ] 5. Classify each finding by severity and complexity
- [ ] 6. Write the report from the template

1. Resolve the scope