Add Blockwise-OAT baseline artifacts (benchmarks/verify_training.json)

benchmarks/verify_training.json

@@ -0,0 +1,36 @@
+{
+  "checks": {
+    "overfit_ok": true,
+    "reference_loss_ok": true,
+    "refine_numerics_ok": true
+  },
+  "config": {
+    "batch_size": 32,
+    "d_model": 128,
+    "device": "cuda:0",
+    "n_tail": 4,
+    "overfit_steps": 120,
+    "prefix_len": 4,
+    "refine_iters": 2,
+    "vocab_size": 64
+  },
+  "overfit": {
+    "final_loss": 0.0031353291124105453,
+    "initial_loss": 4.357937812805176,
+    "loss_ratio": 0.0007194524674486704,
+    "tail_token_accuracy": 1.0
+  },
+  "passed": true,
+  "real_batch_sanity": null,
+  "reference_loss": {
+    "abs_diff": 0.0,
+    "manual_loss": 4.265489101409912,
+    "training_loss": 4.265489101409912
+  },
+  "refine_stability": {
+    "changed_token_fraction_iter2_vs_iter1": 0.1875,
+    "finite_logits": true,
+    "max_logit_delta": 0.19519612193107605,
+    "token_bounds_ok": true
+  }
+}