fix: selfpayMode state vars + monolith.sh TPV port + closures report

- Add missing selfpayMode/closePin state vars in admin POS page
- Add selfpayMode/closeSessionRequiresPin/closeSessionPin to PosTerminal interface
- Fix ClosedSession type in reporting/closures to match cash-close endpoint
- Add smtpReportEmail to admin StoreSettings interface
- monolith.sh: add TPV service (port 3002), reorder ports:
  API 3000, ADMIN 3001, TPV 3002, FRONTEND 3003, STOREFRONT 3004
- Add apps/pos to install_dependencies in monolith.sh

project/apps/admin/src/app/(dashboard)/reporting/closures/page.tsx

@@ -3,6 +3,16 @@
 import { useCallback, useEffect, useState } from 'react';
 import { api } from '@/lib/api-client';
 
+interface SalesSummary {
+  totalCount: number;
+  completedCount: number;
+  completedTotalCents: number;
+  pendingCount: number;
+  refundedCount: number;
+  refundedTotalCents: number;
+  byState: Record<string, { count: number; totalCents: number }>;
+}
+
 interface ClosedSession {
   id: string;
   openedAt: string;
@@ -13,12 +23,9 @@ interface ClosedSession {
   closingCashCents: number | null;
   actualCashCents: number | null;
   differenceCents: number | null;
-  salesCount: number;
-  salesTotalCents: number;
-  salesByState: Record<string, { count: number; totalCents: number }>;
+  sales: SalesSummary;
   paymentsByMethod: Array<{ methodCode: string; methodName: string; totalCents: number; count: number }>;
-  itemsSold: number;
-  uniqueProductsSold: number;
+  items: { soldCount: number; uniqueProducts: number };
 }
 
 function fmt(cents: number): string {
@@ -240,11 +247,11 @@ export default function ReportingClosuresPage() {
                   ))}
                   <div>
                     <p className="text-xs text-gray-500">Artículos vendidos</p>
-                    <p className="text-lg font-bold text-gray-900">{report.itemsSold}</p>
+                    <p className="text-lg font-bold text-gray-900">{report.items.soldCount}</p>
                   </div>
                   <div>
                     <p className="text-xs text-gray-500">Productos únicos</p>
-                    <p className="text-lg font-bold text-gray-900">{report.uniqueProductsSold}</p>
+                    <p className="text-lg font-bold text-gray-900">{report.items.uniqueProducts}</p>
                   </div>
                 </div>
               </div>