Merge pull request #1306 from NousResearch/hermes/hermes-2ba57c8a

fix: backfill model on gateway sessions after agent runs

gateway/session.py

@@ -594,6 +594,7 @@ class SessionStore:
         input_tokens: int = 0,
         output_tokens: int = 0,
         last_prompt_tokens: int = None,
+        model: str = None,
     ) -> None:
         """Update a session's metadata after an interaction."""
         self._ensure_loaded()
@@ -611,7 +612,8 @@ class SessionStore:
             if self._db:
                 try:
                     self._db.update_token_counts(
-                        entry.session_id, input_tokens, output_tokens
+                        entry.session_id, input_tokens, output_tokens,
+                        model=model,
                     )
                 except Exception as e:
                     logger.debug("Session DB operation failed: %s", e)