Fix: Handle null customer_email in stripe session

AzA march 2026/stripe_routes.py

@@ -336,13 +336,17 @@ async def stripe_webhook(
             customer_id = obj.get("customer")
             client_reference_id = obj.get("client_reference_id")
 
-            # Email can be in customer_details.email or customer_email
-            customer_email = None
-            cd = obj.get("customer_details") or {}
-            if isinstance(cd, dict):
-                customer_email = cd.get("email") or None
-            if not customer_email:
-                customer_email = obj.get("customer_email") or None
+            customer_email = (
+                obj.get("customer_email")
+                or (obj.get("customer_details") or {}).get("email")
+            )
+            if not customer_email and customer_id:
+                try:
+                    cust = stripe.Customer.retrieve(customer_id).to_dict_recursive()
+                    customer_email = cust.get("email")
+                except Exception:
+                    pass
+            customer_email = (customer_email or "").strip() or None
 
             if subscription_id and customer_id:
                 sub = stripe.Subscription.retrieve(subscription_id, expand=["items.data.price"]).to_dict_recursive()
@@ -367,6 +371,11 @@ async def stripe_webhook(
                     except Exception:
                         return None
 
+                if lookup_key and not allowed_users:
+                    policy = _policy_for_lookup_key(lookup_key)
+                    allowed_users = allowed_users or str(policy.allowed_users)
+                    devices_per_user = devices_per_user or str(policy.devices_per_user)
+
                 _upsert_license(
                     subscription_id=subscription_id,
                     customer_id=customer_id,