renamem orders

http-api/app/rules/enrollment.py

@@ -69,7 +69,7 @@ def enroll(
     now_ = now()
     user = enrollment.user
     course = enrollment.course
-    tenant_id = tenant['id']
+    org_id = tenant['id']
     lock_hash = md5_hash('%s%s' % (user.id, course.id))
 
     with persistence_layer.transact_writer() as transact:
@@ -80,15 +80,15 @@ def enroll(
             item={
                 'sk': '0',
                 'created_at': now_,
-                'tenant_id': tenant_id,
+                'org_id': org_id,
                 **enrollment.model_dump(),
             },
         )
         transact.put(
             item={
                 'id': enrollment.id,
-                'sk': 'tenant',
-                'org_id': tenant_id,
+                'sk': 'ORG',
+                'org_id': org_id,
                 'name': tenant['name'],
                 'created_at': now_,
             },