Update sandbox fixtures: 3 events (past/ongoing/upcoming), 5 scan scenarios
Events:
- #1 Brocante de Printemps (past, offline)
- #2 Convention Cosplay (ongoing, online)
- #3 Marche de Noel (upcoming, online)
6 categories, 8 billets across all events
Scan scenarios for event #2 (ongoing):
- DEMO-0001: valid, never scanned
- DEMO-0002: refused, exit_definitive (already scanned with definitive exit)
- DEMO-0003: accepted, unlimited entry/exit (already scanned once)
- DEMO-0004: accepted, invitation (never scanned)
- DEMO-0005: refused, invalid (vote type - no generated ticket)
API doc: show sandbox event IDs and scan references with colored badges
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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