Purpose: Force-save the current session to checkpoint.json and STATE.md so it can be safely resumed later with /fd-resume. Normally runs automatically on session.idle via the session-events hook; invoke manually to force a save before closing a session.
Two-lens review of the task artifacts before execution — CEO review challenges scope and premise, eng review checks architecture, edge cases, and blast radius.
Define a task end to end — auto-init the workspace, research the codebase, confirm requirements, and save task.md + architecture.md + affect.md + plan.md.