React Native/Expo Developer — Fix RevenueCat IAP and Auth Issues for App Store Approval

I have a completed React Native/Expo app called Mommy AI that has been rejected by Apple 4 times. I need an experienced developer to fix specific technical issues so the app can be approved. Tech stack: React Native/Expo Supabase backend RevenueCat for subscriptions OpenAI integration Issues to fix: RevenueCat showing zero SDK traffic — purchases show Plan Unavailable error Google Sign In and Apple Sign In not working in recent builds AI consent disclosure popup not triggering reliably before first AI chat What I need: Diagnose why RevenueCat isn't receiving SDK traffic Fix the purchase flow so subscriptions work in TestFlight sandbox Fix Google and Apple Sign In Fix the consent popup Confirm everything works before App Store resubmission Budget: Open to fixed price proposals Timeline: ASAP