- PlayerService with CRUD, FTS5 typeahead search, duplicate merge, CSV import
- CSV import safety limits: 10K rows, 20 columns, 1K chars/field
- QR code generation per player using skip2/go-qrcode library
- Tournament player operations: register, bust, undo bust
- TournamentPlayerDetail with computed investment, net result, action history
- RankingEngine derives positions from ordered bust-out list (never stored)
- RecalculateAllRankings for undo consistency
- All mutations record audit entries and broadcast via WebSocket
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Mikkel Georgsen
93736287ae