Implement a phase spec one step at a time with plan mode, commit discipline, progress tracking, subagent delegation, and mid-session resume.
| Input | Spec file path (.ladder/specs/L- - .md) | | Output | Implemented code, updated progress.md, commits per step | | Commits | type(L -S ): description per step, chore(L ): complete phase execution at end | | Prerequisites | .ladder/OVERVIEW.md, canonical spec, entry criteria met | | Delegation | medium + large steps → sub-agent; small steps → inline |
SPEC VALIDATION: Before executing, validate spec against ALL 5 rules from references/spec-format.md. If any rule fails → print failures and say "Run /ladder-refine first." STOP.
Ejecuta una especificación de fase de escalera paso a paso con disciplina de compromiso y seguimiento del progreso. Úselo cuando esté listo para implementar una especificación, reanudar una fase interrumpida o cuando el usuario diga "ejecución en escalera". Fuente: sadiksaifi/agents.