Execute a single phase with sequential task execution in an isolated worktree.
Execute implementation plan with autonomous subagent pipeline. Two-stage review (spec + quality). Flags only for critical blockers.
Use after /imagine completes to create an executable implementation plan (War Room phase).
Use when a user wants to develop a rough idea into a product design. Activates a virtual startup team that guides the user through Discovery, Definition, Validation, and Architecture phases. Creates session.yaml and four design documents.
Start the Office Dashboard to visualize /build progress in real-time
Use when code review feedback requires fixes - emphasizes technical verification over performative agreement