1. Open Finance from sidebar; confirm finance.php loads.
2. Confirm four KPI cards and module cards render in light and dark mode.
3. Open Payments and then payment_workspace.php?id=<valid payment id>.
4. Confirm linked record, amount, method, status and evidence render.
5. Open Cashbook and confirm payments appear as Money In/Out.
6. Open Invoices and Invoice Workspace from Finance.
7. Verify mobile layout at widths below 700px.
