feat(expenses): add beloPrice and usdcEquivalent fields to Expense model and update related logic

apps/frontend/src/features/expenses/components/ExpensesTable.tsx

@@ -97,6 +97,25 @@ export function ExpensesTable({
           );
         },
       },
+      {
+        header: "USDC",
+        accessorKey: "usdcEquivalent",
+        cell: ({ row }) => {
+          const value = row.getValue("usdcEquivalent");
+          if (!value) {
+            return <span className="text-muted-foreground">--</span>;
+          }
+          return (
+            <span className="tabular-nums">
+              {Number(value).toLocaleString("es-AR", {
+                minimumFractionDigits: 2,
+                maximumFractionDigits: 2,
+              })}{" "}
+              USDC
+            </span>
+          );
+        },
+      },
       {
         header: "Vencimiento",
         accessorKey: "dueDate",
@@ -232,6 +251,15 @@ export function ExpensesTable({
                     ? `Pagado ${formatExpenseDate(expense.paymentDate)}`
                     : "Sin fecha de pago"}
                 </p>
+                {expense.usdcEquivalent && (
+                  <p className="text-xs text-muted-foreground tabular-nums">
+                    {Number(expense.usdcEquivalent).toLocaleString("es-AR", {
+                      minimumFractionDigits: 2,
+                      maximumFractionDigits: 2,
+                    })}{" "}
+                    USDC
+                  </p>
+                )}
               </div>
 
               <div className="flex gap-1">