cclohmar aa07ff3c50 feat: changing event exchange rate recalculates all expense converted amounts ... - New RecalculateExpenses DB function updates all expenses for an event - Expenses in different currency: converted = ROUND(amount * new_rate, 2) - Expenses already in base currency: left unchanged - Called from UpdateEvent handler after saving the new event rate		2026-06-03 08:24:46 +00:00
..
db.go	feat: changing event exchange rate recalculates all expense converted amounts	2026-06-03 08:24:46 +00:00