diff --git a/agent/agent_runtime_helpers.py b/agent/agent_runtime_helpers.py
index a418088916a9..dd600495c91e 100644
--- a/agent/agent_runtime_helpers.py
+++ b/agent/agent_runtime_helpers.py
@@ -2873,7 +2873,10 @@ def sanitize_api_messages(messages: List[Dict[str, Any]]) -> List[Dict[str, Any]
                     seen_assistant_call_ids.add(cid)
                 kept_tcs.append(tc)
             if len(kept_tcs) != len(msg.get("tool_calls") or []):
-                msg = {**msg, "tool_calls": kept_tcs}
+                if kept_tcs:
+                    msg = {**msg, "tool_calls": kept_tcs}
+                else:
+                    msg = {k: v for k, v in msg.items() if k != "tool_calls"}
             deduped.append(msg)
         elif role == "tool":
             cid = (msg.get("tool_call_id") or "").strip()
diff --git a/agent/transports/chat_completions.py b/agent/transports/chat_completions.py
index 086883eca1c7..e5daeb56a494 100644
--- a/agent/transports/chat_completions.py
+++ b/agent/transports/chat_completions.py
@@ -23,7 +23,7 @@ def _reasoning_config_for_model(model: str, reasoning_config: dict | None) -> di
     if not isinstance(reasoning_config, dict):
         return reasoning_config
     if (
-        "gpt-5.6" in (model or "").lower()
+        ("gpt-5.6" in (model or "").lower() or "glm-" in (model or "").lower())
         and str(reasoning_config.get("effort") or "").strip().lower() == "ultra"
     ):
         normalized = dict(reasoning_config)
diff --git a/hermes_cli/main.py b/hermes_cli/main.py
index b9bb4737e199..845e4f29ec09 100644
--- a/hermes_cli/main.py
+++ b/hermes_cli/main.py
@@ -16084,10 +16084,11 @@ def _progress(info):
                 os.path.getsize(db_path) / (1024 * 1024) if db_path.exists() else 0.0
             )
             saved = before_mb - after_mb
+            saved_label = f"reclaimed {saved:.1f} MB" if saved >= 0 else f"grew by {-saved:.1f} MB"
             print(f"\n✓ Search index optimized.")
             print(
                 f"  Database size: {before_mb:.1f} MB -> {after_mb:.1f} MB "
-                f"(reclaimed {saved:.1f} MB)"
+                f"({saved_label})"
             )
             if result.get("vacuumed") is False:
                 print("  (VACUUM was skipped or failed — run "