Turn a spec into a multi-phase implementation plan using tracer-bullet vertical slices. Use after /spec when a spec exists at `.specs/specs/<slug>.md`, or when the user asks to break work into phases or slices. Don't use without a spec, or for single-file changes with obvious scope.
Turn a spec into a multi-phase implementation plan using tracer-bullet vertical slices. Use after /spec when a spec exists at `.specs/specs/<slug>.md`, or when the user asks to break work into phases or slices. Don't use without a spec, or for single-file changes with obvious scope.