Growth — the ONE acquisition→activation→retention funnel (admin redesign Phase 2), replacing the four overlapping funnels (conversion / conversion-funnel / onboarding-breakdown / dashboard). Built on the canonical metrics layer.

Honest about units: the machine funnel (Install→Activate→Retain) is strictly dedupable per machine. 'Visitors' is top-of-funnel CONTEXT only — browser→machine is the dead pre_tokens attribution, so we do NOT fake a visitor→install rate. Channel attribution uses the real ref (sparse — most installs are unknown).