How to use: check the features you want built. Drag category headers to set phase order, drag rows to reorder within a category. The plan panel (right) updates live and persists in this browser. Phase 1 = UI/Layout per your call: their integrated left-nav + horizontal-tabs + table layout replaces our card/pill density, then function categories follow. Tags = OB today: HAVE PARTIAL GAP. Sourced from your 11 walkthrough screenshots + REsimpli's site, help docs, and pricing (their tiers are consumption-gated, not feature-gated).