Fix dataset configs: one config per table (episodes/cells/belief_turns)

README.md

@@ -6,12 +6,18 @@ tags:
 - bayesian-agents
 - belief-accuracy
 configs:
-- config_name: default
+- config_name: episodes
   data_files:
-  - split: episodes
+  - split: train
     path: episodes.csv
-  - split: cells
+- config_name: cells
+  data_files:
+  - split: train
     path: cells.csv
+- config_name: belief_turns
+  data_files:
+  - split: train
+    path: belief_turns.csv.gz
 ---
 
 # 2026.RA.Pure-Rounds-Sweep — does more negotiating time help a Bayesian table close?