Update experiment measurements and status

reports/runs/cosmopedia-1337/metrics.jsonl

@@ -46,3 +46,5 @@
 {"step": 920, "tokens": 482344960, "loss": 2.3856281280517577, "optimizer_updates": 920, "effective_batch": 512, "lr": 1.1604747889549428e-05, "gradient_norm": 0.2590719163417816, "tokens_per_second": 1126538.408943492, "synthetic": false, "world_size": 8}
 {"step": 940, "tokens": 492830720, "loss": 2.380595016479492, "optimizer_updates": 940, "effective_batch": 512, "lr": 1.0912476145919328e-05, "gradient_norm": 0.2941417694091797, "tokens_per_second": 1126839.9296847116, "synthetic": false, "world_size": 8}
 {"step": 960, "tokens": 503316480, "loss": 2.392254638671875, "optimizer_updates": 960, "effective_batch": 512, "lr": 1.0412987926581599e-05, "gradient_norm": 0.2520252764225006, "tokens_per_second": 1122924.617118645, "synthetic": false, "world_size": 8}
+{"step": 980, "tokens": 513802240, "loss": 2.3834354400634767, "optimizer_updates": 980, "effective_batch": 512, "lr": 1.010846736643086e-05, "gradient_norm": 0.2756003737449646, "tokens_per_second": 1123082.7759747286, "synthetic": false, "world_size": 8}
+{"step": 1000, "tokens": 524288000, "loss": 2.392655944824219, "optimizer_updates": 1000, "effective_batch": 512, "lr": 1.000024605639518e-05, "gradient_norm": 0.247683584690094, "tokens_per_second": 1122305.8598929576, "synthetic": false, "world_size": 8}

reports/status.json

@@ -1,8 +1,6 @@
 {
-  "stage": "training",
-  "utc": "2026-09-30T21:58:20.985675+00:00",
-  "remaining_seconds": 36633.01429,
-  "source": "cosmopedia",
-  "seed": 1337,
-  "adaptation_tokens": 524288000
+  "stage": "development_evaluation",
+  "utc": "2026-09-30T22:06:59.145030+00:00",
+  "remaining_seconds": 36114.854943,
+  "checkpoint": "/data/ablation/runs/cosmopedia-1337/checkpoint-000000500.pt"
 }