- Backend: GET /expenses/pending-upcoming returns PENDING expenses with dueDate <= today+5 days, classified as overdue/upcoming
- DashboardExpensesTable: groups by periodicExpenseId, shows summed totals with status badges, links to /expenses?periodicExpenseId=X
- Expenses route accepts ?periodicExpenseId search param and pre-selects it in the filter
- fix: BeloAnalysisPage DatePicker type mismatch
