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Why a map, and why as code?
A Wardley strategic field makes an inspectable claim about a value chain: what the user needs, what each thing needs, and where each component sits from genesis to commodity. The point is the argument: why are we hand-building something the market sells as a utility? What are we treating as settled that is still genuinely novel? Horizontal position is a claim, not a forecast, delivery schedule, or decision plan.
Here the field is a projection of a text file. Vertical position is derived from the dependency chain β user needs above the things they need β rather than pretending the DSL contains a measured visibility value. Dragging a component along the evolution ruler writes its position back into the text as an ordinary undoable edit; the file stays the single source of truth.
Snapshot compare keeps changes legible: moved positions, new and dropped components, and changed dependencies become factual receipts in the next review. Strategy drift becomes an artefact you can inspect, not a memory you argue about. Use Roadmap for delivery commitments, and Paths when different outcomes could stop, pivot, or expand the work. Source: Simon Wardley's mapping work, CC BY-SA.