diff --git a/services/comms/atlasbot-deployment.yaml b/services/comms/atlasbot-deployment.yaml
index 69b30e4..0685626 100644
--- a/services/comms/atlasbot-deployment.yaml
+++ b/services/comms/atlasbot-deployment.yaml
@@ -16,7 +16,7 @@ spec:
       labels:
         app: atlasbot
       annotations:
-        checksum/atlasbot-configmap: manual-atlasbot-48
+        checksum/atlasbot-configmap: manual-atlasbot-49
         vault.hashicorp.com/agent-inject: "true"
         vault.hashicorp.com/role: "comms"
         vault.hashicorp.com/agent-inject-secret-turn-secret: "kv/data/atlas/comms/turn-shared-secret"
diff --git a/services/comms/scripts/atlasbot/bot.py b/services/comms/scripts/atlasbot/bot.py
index f0bf008..e936b95 100644
--- a/services/comms/scripts/atlasbot/bot.py
+++ b/services/comms/scripts/atlasbot/bot.py
@@ -1268,7 +1268,17 @@ def structured_answer(
                     node_regex = "|".join([n["name"] for n in scoped])
                     expr = _apply_node_filter(expr, node_regex)
             res = vm_query(expr, timeout=20)
-            answer = _format_metric_answer(entry, res)
+            answer = ""
+            if op == "top" or "hottest" in (entry.get("panel_title") or "").lower():
+                node, val = _primary_series_metric(res)
+                if node and val is not None:
+                    percent = _metric_expr_uses_percent(entry)
+                    value_fmt = _format_metric_value(val or "", percent=percent)
+                    metric_label = (metric or "").upper()
+                    label = f"{metric_label} node" if metric_label else "node"
+                    answer = f"Hottest {label}: {node} ({value_fmt})."
+            if not answer:
+                answer = _format_metric_answer(entry, res)
             if answer:
                 scope_parts: list[str] = []
                 if include_hw:
@@ -1292,8 +1302,8 @@ def structured_answer(
                         percent = _metric_expr_uses_percent(entry)
                         base_val_fmt = _format_metric_value(base_val or "", percent=percent)
                         overall_note = f" Overall hottest node: {base_node} ({base_val_fmt})."
-                    return f"Among {scope} nodes, {answer}{overall_note}"
-                return answer
+                    return _format_confidence(f"Among {scope} nodes, {answer}{overall_note}", "high")
+                return _format_confidence(answer, "high")
         if metrics_summary:
             return metrics_summary
 
@@ -1408,7 +1418,7 @@ def _os_mix_line(snapshot: dict[str, Any] | None) -> str:
         os_name = (node.get("os") or "").strip()
         if os_name:
             counts[os_name] += 1
-    if not counts:
+    if not counts or (len(counts) == 1 and "linux" in counts):
         return ""
     parts = [f"{os_name}={count}" for os_name, count in sorted(counts.items(), key=lambda item: (-item[1], item[0]))]
     return "OS mix: " + ", ".join(parts[:5]) + "."