Boxing Drills For Beginners: what we learned building Random Tactical Timer

What changed today fix(ci): Ruby 3.2→3.3 in internal distribution fix(ui): compact range text in timer circle fix(audio): fire alarm sound + label rename ci: alarm sound variants Search intent target Primary keyword: boxing drills for beginners Intent class: mixed 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.