LiftAI: AI Workout Trainer App

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Spent the last few months building LiftAI — an iOS app that's basically a personal trainer and calorie tracker in one. You do a goal-first onboarding (lose/gain/maintain, your stats, training days, equipment, injuries) and it spits out a personalized training split + a calorie/macro target computed from your numbers (Mifflin–St Jeor). From there the home screen just tells you today's workout, the player coaches you through each set with timers and a Live Activity in the Dynamic Island, a...