Add session and sprint UUID fields to fires

temba/contacts/migrations/0200_contactfire_session_uuid_contactfire_sprint_uuid_and_more.py

@@ -0,0 +1,28 @@
+# Generated by Django 5.1.4 on 2025-01-29 18:04
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("contacts", "0199_contactfire"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="contactfire",
+            name="session_uuid",
+            field=models.UUIDField(null=True),
+        ),
+        migrations.AddField(
+            model_name="contactfire",
+            name="sprint_uuid",
+            field=models.UUIDField(null=True),
+        ),
+        migrations.AlterField(
+            model_name="contactfire",
+            name="extra",
+            field=models.JSONField(null=True),
+        ),
+    ]

temba/contacts/models.py

@@ -1751,9 +1751,15 @@ class ContactFire(models.Model):
     contact = models.ForeignKey(Contact, on_delete=models.PROTECT, related_name="fires", db_index=False)  # index below
     fire_type = models.CharField(max_length=1, choices=TYPE_CHOICES)
     scope = models.CharField(max_length=64)  # e.g. campaign event id
-    extra = models.JSONField(default=dict)  # e.g. session id
     fire_on = models.DateTimeField(db_index=True)
 
+    # used to ensure wait events don't act on a session that's already changed
+    session_uuid = models.UUIDField(null=True)
+    sprint_uuid = models.UUIDField(null=True)
+
+    # TODO remove
+    extra = models.JSONField(null=True)
+
     class Meta:
         constraints = [
             # used to prevent adding duplicate fires for the same contact and scope