Interactive prompts + `--no-interactive` / CI defaults

[ulises-jeremias]

Summary

Interactive outside CI; headless with flags in CI.

CNA mapping

CNA: prompts + --interactive / --no-interactive + ci-info.

Acceptance criteria

• Auto-disable interactive in CI
• Force flags work
• Tests for both modes

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

#5