Review Sparring Prep: what we learned building Random Tactical Timer

What changed today fix(paywall): pin CTA above home bar + scroll long content chore(ios): bump CURRENT_PROJECT_VERSION to 439 (post TestFlight 438) chore(release): bump develop to 1.3.22 / iOS 437 (ASC lineage) fix(ui): paywall primary CTA readable on iOS and Android Search intent target Primary keyword: review sparring prep Intent class: commercial BID filter: business potential, intent match, and realistic difficulty AI/LLM flow we used We keep this loop tight: plan -> code -> test -> release gate -> feedback. The key is not bigger prompts, it's strict validation and fast iteration.