Five reads DBF + NTX files created by Harbour:
- NAME index: exact/partial seek, GoTop/Bottom, Skip, SoftSeek
- CITY index: duplicate key seek with correct RecNo order
- ID index: numeric key (Str(ID,6)) seek
17/17 items match Harbour output exactly.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
