Add batch QA test harness (scripts/batch_test.py)

Only migrate locations that have a photo; resequence 1..N + remove stale rows

Add Supabase migration script + explicit sort_order; gitignore Location images

feat: local GPU HairFastGAN hair transfer (auto-selects local, else HF Space)

fix: GFPGAN face restoration removes swap blur; simplify pipeline; GPU 4K

fix: sharp output, source skin tone preservation, 4K upscaling pipeline

Initial commit: DeepFace Studio - AI face swap web application