update slot resume pointers for step 7947

slots/4/latest.json

@@ -1 +1 @@
-{"worker_id": "slot:4", "checkpoint": "slots/4/checkpoint-7215", "step": 7215, "updated_at": 1776415915}
+{"worker_id": "slot:4", "checkpoint": "slots/4/checkpoint-7947", "step": 7947, "updated_at": 1776417202}