check-backend

Check if the code you just wrote follows the backend development guidelines.

Execute these steps:

1. Run git status to see modified files
2. Read .trellis/spec/backend/index.md to understand which guidelines apply
3. Based on what you changed, read the relevant guideline files:
   • Database changes → .trellis/spec/backend/database-guidelines.md
   • Error handling → .trellis/spec/backend/error-handling.md
   • Logging changes → .trellis/spec/backend/logging-guidelines.md
   • Type changes → .trellis/spec/backend/type-safety.md
   • Any changes → .trellis/spec/backend/quality-guidelines.md
4. Review your code against the guidelines
5. Report any violations and fix them if found