ReplayCounterfactual strategy replay: the decide→fill→grade loop driven over recorded bars on a bar clock, four variants in lockstep with one signal ablated each. Signal attribution is the equity gap between variants: same bars, same fills, one signal removed. Deterministic, and the joint-state store is private to the run, so replaying never pollutes the live regime graph.

Replays recorded bars through the strategy four times, each run with one signal removed.