some fix

apps/notifications/models.py

@@ -63,5 +63,10 @@ class NotificationJob(models.Model):
     delivery_checked_at=models.DateTimeField(null=True,blank=True)
     delivery_check_attempts=models.PositiveSmallIntegerField(default=0)
     delivery_next_check_at=models.DateTimeField(null=True,blank=True,db_index=True)
+    delivery_is_final=models.BooleanField(default=False)
+    delivery_retry_source=models.OneToOneField(
+        "self",on_delete=models.CASCADE,null=True,blank=True,
+        related_name="delivery_retry_job",
+    )
     class Meta:
         indexes=[models.Index(fields=["status","next_attempt_at"],name="notif_due_idx"),models.Index(fields=["ticket","channel","status"],name="notif_ticket_chan_idx")]