- Extend DayState with SelectedDayExpenses, AvailableExpenses
- Add Fluxor actions for load/create/update/delete expenses
- Add reducers + effects for PersonExpense operations
- Create AddPersonExpenseDialog with inverse expense support
- Update DayDetails with expense table, summary, status toggle
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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
beo3000