- Five-minute clone-to-page onboarding doc covering prereqs, bootstrap,
two-terminal dev workflow, common commands, and troubleshooting.
- Documents docker compose fallback for contributors not on podman (D-11).
- Documents two-terminal workflow: just dev + just styles-watch (D-14).
- Every `just <recipe>` referenced is a real recipe in backend/justfile.
- Uses 'bootstrap-downloaded' wording (not 'vendored') for tailwindcss
and htmx.min.js per Codex review concern #4.
- Clarifies HTMX runtime no-CDN policy; the unpkg URL in justfile is the
single authoritative version pin (D-10 / Codex concern #5).
- Top 3 pitfalls from RESEARCH surfaced in Troubleshooting.
- 195 lines, no emoji, no marketing voice.