Update experiment measurements and status

reports/selection.json

@@ -0,0 +1,116 @@
+{
+  "objective": "rank_1_efficiency_after_full_confirmation",
+  "selection_version": "combined-development-v2-before-pilots",
+  "results": [
+    {
+      "source": "fineweb_edu",
+      "effects": [
+        {
+          "seed": 1337,
+          "arc_delta_pp": 0.17543859649122806,
+          "grammar_delta_pp": 2.430555555555556,
+          "wiki_ppl_ratio": 0.9998499487147989,
+          "wiki_normalized_delta": 0.0026825473015649644,
+          "combined_dev_delta": 0.869558899782783
+        },
+        {
+          "seed": 2027,
+          "arc_delta_pp": 0.3508771929824561,
+          "grammar_delta_pp": 0.6944444444444444,
+          "wiki_ppl_ratio": 0.9999204588938312,
+          "wiki_normalized_delta": 0.001421948878126593,
+          "combined_dev_delta": 0.3489145287683424
+        }
+      ],
+      "mean_combined_dev_delta": 0.6092367142755627,
+      "paired_dev_99pct_interval": [
+        -0.2904952545353535,
+        1.7977113731449583
+      ],
+      "eligible_for_extension": false
+    },
+    {
+      "source": "dclm_edu",
+      "effects": [
+        {
+          "seed": 1337,
+          "arc_delta_pp": 0.17543859649122806,
+          "grammar_delta_pp": 1.3888888888888888,
+          "wiki_ppl_ratio": 0.9999958367943211,
+          "wiki_normalized_delta": 7.442243152627325e-05,
+          "combined_dev_delta": 0.5214673026038811
+        },
+        {
+          "seed": 2027,
+          "arc_delta_pp": 0.3508771929824561,
+          "grammar_delta_pp": 0.0,
+          "wiki_ppl_ratio": 0.9998027158537773,
+          "wiki_normalized_delta": 0.003527037797255739,
+          "combined_dev_delta": 0.11813474359323728
+        }
+      ],
+      "mean_combined_dev_delta": 0.3198010230985592,
+      "paired_dev_99pct_interval": [
+        -0.40827828976693786,
+        1.1902993174455379
+      ],
+      "eligible_for_extension": false
+    },
+    {
+      "source": "cosmopedia",
+      "effects": [
+        {
+          "seed": 1337,
+          "arc_delta_pp": 0.3508771929824561,
+          "grammar_delta_pp": 1.7361111111111112,
+          "wiki_ppl_ratio": 1.0022786467949207,
+          "wiki_normalized_delta": -0.04068719618935495,
+          "combined_dev_delta": 0.6821003693014039
+        },
+        {
+          "seed": 2027,
+          "arc_delta_pp": -0.8771929824561403,
+          "grammar_delta_pp": 0.3472222222222222,
+          "wiki_ppl_ratio": 1.0025389677110237,
+          "wiki_normalized_delta": -0.04532956111627206,
+          "combined_dev_delta": -0.1917667737833967
+        }
+      ],
+      "mean_combined_dev_delta": 0.24516679775900363,
+      "paired_dev_99pct_interval": [
+        -0.7168184605255966,
+        1.2868486934705048
+      ],
+      "eligible_for_extension": false
+    },
+    {
+      "source": "finemath",
+      "effects": [
+        {
+          "seed": 1337,
+          "arc_delta_pp": -0.17543859649122806,
+          "grammar_delta_pp": 2.083333333333333,
+          "wiki_ppl_ratio": 0.9999358419833166,
+          "wiki_normalized_delta": 0.0011469380111162695,
+          "combined_dev_delta": 0.6363472249510737
+        },
+        {
+          "seed": 2027,
+          "arc_delta_pp": 0.0,
+          "grammar_delta_pp": 0.6944444444444444,
+          "wiki_ppl_ratio": 0.9999406018055441,
+          "wiki_normalized_delta": 0.0010618452438650554,
+          "combined_dev_delta": 0.23183542989610317
+        }
+      ],
+      "mean_combined_dev_delta": 0.4340913274235884,
+      "paired_dev_99pct_interval": [
+        -0.26400808778108986,
+        1.3345603820044878
+      ],
+      "eligible_for_extension": false
+    }
+  ],
+  "selected_source": null,
+  "note": "Development-only surrogate; narrow grammar proxy; interval conditional on fixed WikiText validation corpus. Two seeds do not establish population variance. No official GLINT scores."
+}

reports/status.json

@@ -1,6 +1,6 @@
 {
-  "stage": "development_evaluation",
-  "utc": "2026-09-30T23:39:12.466168+00:00",
-  "remaining_seconds": 30581.533809,
-  "checkpoint": "/data/ablation/runs/control-2027/checkpoint-000001000.pt"
+  "stage": "complete_no_reliable_winner",
+  "utc": "2026-09-30T23:41:21.495137+00:00",
+  "remaining_seconds": 30452.50485,
+  "message": "No source passed the paired development gate; no 5B run launched."
 }