Swap the two horizontal FilterChip scroll rows with a native segmented Picker for body zone and a toolbar Menu for difficulty level. Fix zone values to match Supabase enum (upper-body, lower-body, full-body). Remove unused FilterChip struct.
Swap the two horizontal FilterChip scroll rows with a native segmented Picker for body zone and a toolbar Menu for difficulty level. Fix zone values to match Supabase enum (upper-body, lower-body, full-body). Remove unused FilterChip struct.