fix: Product async checkout

packages/prisma-client/prisma/migrations/20260502000000_user_product_async_checkout/migration.sql

@@ -0,0 +1,58 @@
+-- Treat checkout.session.completed as purchase-granting and revoke async
+-- Checkout Sessions only if Stripe later reports async_payment_failed.
+CREATE OR REPLACE VIEW "UserProduct" AS (
+  SELECT
+    "userId",
+    "subscriptionId",
+    "productId",
+    "customerId",
+    "customerEmail"
+  FROM
+    "TransactionLog" AS tl
+  WHERE
+    "status" = 'complete'
+    AND "eventType" = 'checkout.session.completed'
+    AND NOT EXISTS (
+      SELECT
+        1
+      FROM
+        "TransactionLog" AS failed
+      WHERE
+        failed."eventType" = 'checkout.session.async_payment_failed'
+        AND failed."eventData"#>>'{data,object,id}' =
+          tl."eventData"#>>'{data,object,id}'
+        AND failed."eventCreated" >= tl."eventCreated")
+    AND NOT EXISTS (
+      SELECT
+        1
+      FROM
+        "TransactionLog" AS tlexsists
+      WHERE
+        tlexsists."subscriptionId" = tl."subscriptionId"
+        AND tlexsists."eventType" = 'customer.subscription.deleted'
+        AND tlexsists."status" = 'canceled'
+        AND tlexsists."eventCreated" > tl."eventCreated")
+      AND NOT EXISTS (
+        SELECT
+          1
+        FROM
+          "TransactionLog" AS tlexsists
+        WHERE
+          tlexsists."paymentIntent" = tl."paymentIntent"
+          AND tlexsists."eventType" = 'charge.refunded'
+          AND tlexsists."status" = 'succeeded'
+          AND tlexsists."eventCreated" > tl."eventCreated")
+      ORDER BY
+        "userId",
+        "eventCreated" DESC)
+    UNION ALL (
+      SELECT
+        "userId",
+        "subscriptionId",
+        "productId",
+        "customerId",
+        "customerEmail"
+      FROM
+        "TransactionLog"
+      WHERE
+        "eventType" = 'appsumo.activate');