Scoping review - map what evidence exists on a topic, its types, concepts, and gaps, without appraising quality or answering an effectiveness question, following Arksey and O'Malley's stages with the human as the consultation stage. Produces projects/<slug>/outputs/scoping-review.md. Use when the user asks for a scoping review, a map of the literature, what research exists on X, how X is defined or studied, or whether a systematic review is feasible.
