update slot resume pointers for step 6078

slots/0/latest.json

@@ -1 +1 @@
-{"worker_id": "slot:0", "checkpoint": "slots/0/checkpoint-4946", "step": 4946, "updated_at": 1776438472}
+{"worker_id": "slot:0", "checkpoint": "slots/0/checkpoint-6078", "step": 6078, "updated_at": 1776441124}