Turn a task brief from .claude/brief into a concrete implementation plan saved to .claude/plan, shaped so a Sonnet 4.6 medium-effort implementer can follow it mechanically. Triggers on "plan it", "plan this", "plan", or any reference to a file in .claude/brief. Designed for use inside plan mode. Dri
Turn a task brief from .claude/brief into a concrete implementation plan saved to .claude/plan, shaped so a Sonnet 4.6 medium-effort implementer can follow it mechanically. Triggers on "plan it", "plan this", "plan", or any reference to a file in .claude/brief. Designed for use inside plan mode. Drills the user with targeted clarifying questions when the brief is ambiguous; otherwise plans directl