- ITriggerRepository interface + TriggerRepository implementation
- ITriggerService interface + TriggerService implementation
- TriggerDto, ExpenseTriggerLinkDto, FireTriggerDto
- FireTriggerAsync creates PersonExpenses with multiplier
- DI registration for both services
- Fix test mock for IClubRepository
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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
beo3000