feat(dashboard): allow both vendor and employee on payment made

Remove the mutual-exclusion validation and update the field descriptions so a payment-made can be linked to a vendor and an employee at the same time. Previously selecting both raised a validation error.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

apps/dashboard/modules/payment-mades/payment-made-form.tsx

@@ -268,14 +268,14 @@ export function PaymentMadeForm({ resourceId, initialData, onSuccess, billId, ex
                         name="vendor"
                         label="Vendor"
                         required={vendorRequired}
-                        description="Select either a vendor or an employee."
+                        description="Select a vendor, an employee, or both."
                     />
                     <RhfAsyncSelectField
                         name="employee"
                         label="Employee"
                         placeholder="Select employee"
                         required={employeeRequired}
-                        description="Select either a vendor or an employee."
+                        description="Select a vendor, an employee, or both."
                         queryKey={[EMPLOYEE_ROUTES.INDEX]}
                         listFn={() => api.employees.list()}
                         mapOption={mapEmployeeOption}

apps/dashboard/modules/payment-mades/payment-made.schema.ts

@@ -66,19 +66,6 @@ const paymentMadeFormSchema = z.object({
             message: "Vendor or employee is required",
         })
     }
-
-    if (hasVendor && hasEmployee) {
-        ctx.addIssue({
-            code: z.ZodIssueCode.custom,
-            path: ["vendor"],
-            message: "Select either a vendor or an employee, not both",
-        })
-        ctx.addIssue({
-            code: z.ZodIssueCode.custom,
-            path: ["employee"],
-            message: "Select either a vendor or an employee, not both",
-        })
-    }
 })
 
 type PaymentMadeFormValues = z.infer<typeof paymentMadeFormSchema>