Rebuild branch1_no_time_blind ablation on leakage-free split

branch1_no_time_blind/metadata.json

@@ -1,6 +1,7 @@
 {
   "excluded_label": 4,
   "excluded_label_name": "time_blind",
-  "f1_macro_on_remaining": 0.9773,
-  "trained_at": "2026-07-26T00:14:04"
+  "f1_macro_on_remaining": 0.9883,
+  "trained_at": "2026-08-20T07:07:15",
+  "split": "leakage-free (deduped branch1_train.csv, 20/8)"
 }

branch1_no_time_blind/model.joblib

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:805c590b96c2ec1d34315c2347ca5819ce489219c0c12def75cf2a8f48aba24c
+oid sha256:4c5dec0e69923e0cb99afab12660ff1baca5d8e8bd0cdacdf51d128ed64bf5a4
 size 1600919

branch1_no_time_blind/vectorizer.joblib

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:eda851eafb7b2fd692efbf84cbe021a23719acd62f04ba178a699889a8a9bd9f
-size 1681557
+oid sha256:3e2ff90825abf09dfdfc800ee6ebff2fbc95f9727fd660aa78396e613d89d390
+size 1681282