atlasbot: prefer hardware_usage_top for top queries

atlasbot/engine/answerer.py

@@ -1059,10 +1059,24 @@ def _extract_hardware_usage_facts(lines: list[str], question: str) -> list[str]:
         return []
     if not any(term in lowered for term in ("average", "avg", "mean", "load", "cpu", "ram", "memory")):
         return []
+    avg_line = None
+    top_line = None
     for line in lines:
         if line.startswith("hardware_usage_avg:"):
-            return [line]
-    return []
+            avg_line = line
+        elif line.startswith("hardware_usage_top:"):
+            top_line = line
+    if not avg_line and not top_line:
+        return []
+    wants_top = any(term in lowered for term in ("highest", "lowest", "most", "least", "top", "worst", "best"))
+    if wants_top and top_line:
+        return [top_line]
+    facts: list[str] = []
+    if avg_line:
+        facts.append(avg_line)
+    if top_line:
+        facts.append(top_line)
+    return facts
 
 
 def _metric_candidate_lines(lines: list[str], keywords: list[str] | None, limit: int = 40) -> list[str]:

atlasbot/llm/prompts.py

@@ -36,6 +36,7 @@ ROUTE_PROMPT = (
 DECOMPOSE_SYSTEM = (
     CLUSTER_SYSTEM
     + " Break complex questions into smaller, answerable sub-questions. "
+    + "If the question compares hardware classes or node types, include all classes mentioned in context; do not assume only rpi4/rpi5. "
     + "Return JSON only."
 )