diff --git a/project/apps/admin/next-env.d.ts b/project/apps/admin/next-env.d.ts
index ce4e94a..a419cbe 100644
--- a/project/apps/admin/next-env.d.ts
+++ b/project/apps/admin/next-env.d.ts
@@ -1,7 +1,7 @@
 /// <reference types="next" />
 /// <reference types="next/image-types/global" />
-import "./.next/types/routes.d.ts";
-import "./.next/types/root-params.d.ts";
+import "./.next/dev/types/routes.d.ts";
+import "./.next/dev/types/root-params.d.ts";
 
 // NOTE: This file should not be edited
 // see https://nextjs.org/docs/app/api-reference/config/typescript for more information.
diff --git a/project/apps/pos/src/app/(terminal)/page.tsx b/project/apps/pos/src/app/(terminal)/page.tsx
index 534eb18..16f2f58 100644
--- a/project/apps/pos/src/app/(terminal)/page.tsx
+++ b/project/apps/pos/src/app/(terminal)/page.tsx
@@ -143,6 +143,7 @@ export default function RegisterPage() {
   // POS-SELFPAY-FLOW: optional email for receipt before payment
   const [showSelfpayEmail, setShowSelfpayEmail] = useState(false);
   const [selfpayEmail, setSelfpayEmail] = useState('');
+  const [selfpayPaymentReady, setSelfpayPaymentReady] = useState(false);
   let toastTimer: ReturnType<typeof setTimeout> | undefined;
   const showAddedToast = (name: string) => {
     clearTimeout(toastTimer);
@@ -509,6 +510,12 @@ export default function RegisterPage() {
       });
       setReceipt(result.receipt);
       setRestPaymentFor(null);
+      // POS-SELFPAY-FLOW: send receipt by email if provided
+      if (isSelfpayMode && selfpayEmail.trim()) {
+        void posApi.emailReceipt(result.receipt.orderId, selfpayEmail.trim()).catch(() => {
+          // Non-blocking: email failure shouldn't interrupt the sale
+        });
+      }
       void loadPendingSales();
     } catch (err) {
       setError(err instanceof Error ? err.message : 'No se pudo confirmar la venta');
@@ -783,6 +790,8 @@ export default function RegisterPage() {
     setError('');
     setSearch('');
     setShowClearConfirm(false);
+    setSelfpayPaymentReady(false);
+    setSelfpayEmail('');
   };
 
   const searchCustomers = async (query: string) => {
@@ -1649,7 +1658,7 @@ export default function RegisterPage() {
           </p>
         )}
         {/* POS-SELFPAY-FLOW: in selfpay mode, hide payment methods until email is captured */}
-        {(!isSelfpayMode || selfpayEmail !== undefined) && (
+        {(!isSelfpayMode || selfpayPaymentReady) && (
           <div className="mt-3 grid grid-cols-2 gap-2">
             {config.paymentMethods.map((method) => (
               <button
@@ -1683,8 +1692,9 @@ export default function RegisterPage() {
                 : void confirmSale()
             }
             disabled={
-              !isSelfpayMode &&
-              (processing || cart.length === 0 || payments.length === 0 || paidCents <= 0 || paidCents > totals.total)
+              processing ||
+              cart.length === 0 ||
+              (!isSelfpayMode && (payments.length === 0 || paidCents <= 0 || paidCents > totals.total))
             }
             className={`min-h-16 rounded-xl bg-[#1B4332] text-lg font-bold text-white disabled:opacity-40 ${
               isSelfpayMode ? 'col-span-2' : ''
@@ -1758,6 +1768,7 @@ export default function RegisterPage() {
               onSubmit={(e) => {
                 e.preventDefault();
                 setShowSelfpayEmail(false);
+                setSelfpayPaymentReady(true);
               }}
               className="space-y-4"
             >
@@ -1785,6 +1796,7 @@ export default function RegisterPage() {
                 onClick={() => {
                   setSelfpayEmail('');
                   setShowSelfpayEmail(false);
+                  setSelfpayPaymentReady(true);
                 }}
                 className="w-full rounded-xl border border-gray-300 py-2 text-sm font-medium text-gray-500"
               >
diff --git a/project/storefront/next-env.d.ts b/project/storefront/next-env.d.ts
index ce4e94a..a419cbe 100644
--- a/project/storefront/next-env.d.ts
+++ b/project/storefront/next-env.d.ts
@@ -1,7 +1,7 @@
 /// <reference types="next" />
 /// <reference types="next/image-types/global" />
-import "./.next/types/routes.d.ts";
-import "./.next/types/root-params.d.ts";
+import "./.next/dev/types/routes.d.ts";
+import "./.next/dev/types/root-params.d.ts";
 
 // NOTE: This file should not be edited
 // see https://nextjs.org/docs/app/api-reference/config/typescript for more information.