<objective>
Guide the user through MVP-mode planning for a phase. The command:
Phase 1 of the vertical-mvp-slice PRD shipped the planner-side machinery; this command is the user entry point for it.
</objective>
<runtime_note>
Copilot (VS Code): Use
wherever this workflow calls
. Equivalent API.
</runtime_note>
The phase must already exist in ROADMAP.md (created via
,
, or
). This command does not create new phases — it converts an existing phase to MVP mode.
</context>
<process>
Execute the mvp-phase workflow from @~/.claude/gsd-core/workflows/mvp-phase.md end-to-end.
Preserve all gates: phase existence, status guard (refuse in_progress/completed), user-story format validation, SPIDR splitting check, ROADMAP write confirmation, plan-phase delegation.
</process>