fix field_messages mapping for Capybara/OpenHermes ShareGPT format

human_chat_qlora.yml

@@ -29,15 +29,21 @@ default_system_message: >-
   a clear, useful, conversational answer as if talking to a knowledgeable friend.
 
 # --- Datasets ---
-# Capybara: ~16k carefully curated multi-turn conversations — best for natural tone
-# OpenHermes-2.5: broad instruction coverage — sampled to 5% to keep balance
+# Both Capybara and OpenHermes use ShareGPT format:
+#   field: conversations, role key: from, content key: value
 datasets:
   - path: LDJnr/Capybara
     type: chat_template
+    field_messages: conversations
+    message_field_role: from
+    message_field_content: value
     split: train
 
   - path: teknium/OpenHermes-2.5
     type: chat_template
+    field_messages: conversations
+    message_field_role: from
+    message_field_content: value
     split: "train[:5%]"
 
 dataset_prepared_path: last_run_prepared