Photos are now step 2 of onboarding (right after basic info) instead
of only being manageable from the profile page later. Uploading still
goes through the existing /profile/photos endpoint; the new
POST /onboarding/photos just confirms at least one photo exists and
advances the step counter. Renumbered the OnboardingStep enum
accordingly (9 steps total now).
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Phone+OTP auth, staged onboarding, admin approval workflow, and a
full discovery/swipe/match/chat system with photo upload and
approximate distance (haversine) based on user location.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>