Decision: Danger.js vs CodeRabbit-only for PR automation

[ulises-jeremias]

Summary

Evaluate whether to port tools/danger or rely on CodeRabbit + Actions.

CNA mapping

CNA: tools/danger + CodeRabbit usage.

Acceptance criteria

• Short ADR/decision in docs
• If Danger kept: Python or JS dangerfile plan
• If skipped: document rationale

Blocked by

none

Blocks

none

Reference

Parity matrix (workspace): knowledge/create-python-app-parity-matrix.md
Reference repo: https://github.com/Create-Node-App/create-node-app

Parent epic

#10