feat(settings): add domicilios and tarifas toggles in admin panel

Both flags are read by prosappweb from /settings to enable/disable
delivery service and rate display. Saves via the existing PATCH /settings.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

admin/src/app/settings/page.tsx

@@ -315,6 +315,37 @@ export default function SettingsPage() {
           </CardContent>
         </Card>
 
+        <Card>
+          <CardHeader>
+            <CardTitle className="text-base">Funcionalidades de la app</CardTitle>
+            <CardDescription>Activa o desactiva funciones para todos los usuarios.</CardDescription>
+          </CardHeader>
+          <CardContent className="space-y-4">
+            {[
+              { key: 'domicilios', label: 'Servicio a domicilio', description: 'Permite que los profesionales ofrezcan y los usuarios soliciten servicios a domicilio.' },
+              { key: 'tarifas', label: 'Mostrar tarifas', description: 'Muestra las tarifas de los profesionales en su perfil y en las búsquedas.' },
+            ].map(({ key, label, description }) => (
+              <div key={key} className="flex items-center justify-between gap-4 py-1">
+                <div>
+                  <p className="text-sm font-medium">{label}</p>
+                  <p className="text-xs text-muted-foreground">{description}</p>
+                </div>
+                <div className="flex items-center gap-3 shrink-0">
+                  <button
+                    onClick={() => setG(key, !global[key])}
+                    className={`relative inline-flex h-6 w-11 items-center rounded-full transition-colors ${global[key] ? 'bg-[#42A4EF]' : 'bg-muted-foreground/30'}`}
+                  >
+                    <span className={`inline-block h-4 w-4 transform rounded-full bg-white shadow transition-transform ${global[key] ? 'translate-x-6' : 'translate-x-1'}`} />
+                  </button>
+                  <Badge variant={global[key] ? 'default' : 'secondary'} className={global[key] ? 'bg-[#42A4EF]' : ''}>
+                    {global[key] ? 'Activo' : 'Inactivo'}
+                  </Badge>
+                </div>
+              </div>
+            ))}
+          </CardContent>
+        </Card>
+
         <Card>
           <CardHeader>
             <CardTitle className="text-base">Modo mantenimiento</CardTitle>