Update experiment measurements and status

reports/runs/cosmopedia-2027/metrics.jsonl

@@ -45,3 +45,6 @@
 {"step": 900, "tokens": 471859200, "loss": 2.383549118041992, "optimizer_updates": 900, "effective_batch": 512, "lr": 1.248677602927694e-05, "gradient_norm": 0.27803146839141846, "tokens_per_second": 1152493.5670978446, "synthetic": false, "world_size": 8}
 {"step": 920, "tokens": 482344960, "loss": 2.3755544662475585, "optimizer_updates": 920, "effective_batch": 512, "lr": 1.1604747889549428e-05, "gradient_norm": 0.30559125542640686, "tokens_per_second": 1157830.8312433003, "synthetic": false, "world_size": 8}
 {"step": 940, "tokens": 492830720, "loss": 2.3829105377197264, "optimizer_updates": 940, "effective_batch": 512, "lr": 1.0912476145919328e-05, "gradient_norm": 0.26054322719573975, "tokens_per_second": 1159095.8701503284, "synthetic": false, "world_size": 8}
+{"step": 960, "tokens": 503316480, "loss": 2.3803876876831054, "optimizer_updates": 960, "effective_batch": 512, "lr": 1.0412987926581599e-05, "gradient_norm": 0.2591555714607239, "tokens_per_second": 967817.604715364, "synthetic": false, "world_size": 8}
+{"step": 980, "tokens": 513802240, "loss": 2.3808309555053713, "optimizer_updates": 980, "effective_batch": 512, "lr": 1.010846736643086e-05, "gradient_norm": 0.266364723443985, "tokens_per_second": 1107669.6326988826, "synthetic": false, "world_size": 8}
+{"step": 1000, "tokens": 524288000, "loss": 2.382295608520508, "optimizer_updates": 1000, "effective_batch": 512, "lr": 1.000024605639518e-05, "gradient_norm": 0.24624371528625488, "tokens_per_second": 1161135.0269705376, "synthetic": false, "world_size": 8}

reports/status.json

@@ -1,8 +1,6 @@
 {
-  "stage": "training",
-  "utc": "2026-09-30T23:15:46.914661+00:00",
-  "remaining_seconds": 31987.085303,
-  "source": "cosmopedia",
-  "seed": 2027,
-  "adaptation_tokens": 524288000
+  "stage": "development_evaluation",
+  "utc": "2026-09-30T23:24:12.211458+00:00",
+  "remaining_seconds": 31481.788491,
+  "checkpoint": "/data/ablation/runs/cosmopedia-2027/checkpoint-000000500.pt"
 }