Update latest eval results at step 4000

eval_results/latest_eval_results.json

@@ -1,16 +1,16 @@
 {
   "step": 4000,
   "epoch": 2.5236593059936907,
-  "time": "2026-07-09 00:01:30",
+  "time": "2026-07-09 00:02:48",
   "metrics": {
     "eval_loss": 0.09398859739303589,
     "eval_accuracy": 0.9817034700315458,
     "eval_precision": 0.9698461538461538,
     "eval_recall": 0.9943217665615142,
     "eval_f1": 0.9819314641744549,
-    "eval_runtime": 59.5237,
-    "eval_samples_per_second": 53.256,
-    "eval_steps_per_second": 3.343,
+    "eval_runtime": 61.337,
+    "eval_samples_per_second": 51.682,
+    "eval_steps_per_second": 3.244,
     "epoch": 2.5236593059936907
   }
 }