- Add display_name and name_romanized fields to all 7948 person profiles
- Resolve UNKNOWN-UNKNOWN collision group (Hebrew/Arabic names now properly romanize)
- Hebrew names like אבישי דנינו now generate PPID AVISHI-DANINO instead of UNKNOWN-UNKNOWN
- Collision count reduced from 82 to 81 groups
Regenerated using generate_ppids.py with unidecode support (commit abe30cb)