db9bb31702
- Fetch /api/invoices/stats/summary on mount and display Revenue/Outstanding/Refunds summary cards above the calendar view on /admin - Mirrors the same stats section already on /admin/invoices - Gracefully handles errors via try/catch on the stats endpoint Parent: GRO-882 Grandparent: GRO-816 Co-Authored-By: Paperclip <noreply@paperclip.ing>