comms: answer node name queries

services/comms/atlasbot-deployment.yaml

@@ -16,7 +16,7 @@ spec:
       labels:
         app: atlasbot
       annotations:
-        checksum/atlasbot-configmap: manual-atlasbot-7
+        checksum/atlasbot-configmap: manual-atlasbot-8
         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"

services/comms/scripts/atlasbot/bot.py

@@ -466,6 +466,27 @@ def nodes_summary(cluster_name: str) -> str:
         return f"{cluster_name} cluster has {total} nodes: {ready} Ready, {not_ready} NotReady."
     return f"{cluster_name} cluster has {total} nodes, all Ready."
 
+def nodes_names_summary(cluster_name: str) -> str:
+    try:
+        data = k8s_get("/api/v1/nodes?limit=500")
+    except Exception:
+        return ""
+    items = data.get("items") or []
+    if not isinstance(items, list) or not items:
+        return ""
+    names = []
+    for node in items:
+        name = (node.get("metadata") or {}).get("name") or ""
+        if name:
+            names.append(name)
+    names = sorted(set(names))
+    if not names:
+        return ""
+    if len(names) <= 30:
+        return f"{cluster_name} node names: {', '.join(names)}."
+    shown = ", ".join(names[:30])
+    return f"{cluster_name} node names: {shown}, … (+{len(names) - 30} more)."
+
 def _strip_code_fence(text: str) -> str:
     cleaned = (text or "").strip()
     match = CODE_FENCE_RE.match(cleaned)
@@ -633,6 +654,14 @@ def sync_loop(token: str, room_id: str):
                             continue
                         send_msg(token, rid, summary)
                         continue
+                if re.search(r"\bnode names?\b|\bnodes? named\b|\bnaming\b", lower_body):
+                    if any(word in lower_body for word in ("cluster", "atlas", "titan")):
+                        names_summary = nodes_names_summary("Atlas")
+                        if not names_summary:
+                            send_msg(token, rid, "I couldn’t reach the cluster API to list node names. Try again in a moment.")
+                            continue
+                        send_msg(token, rid, names_summary)
+                        continue
 
                 # Only do live cluster/metrics introspection in DMs.
                 allow_tools = is_dm