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."
 )
 

atlasbot/snapshot/builder.py

@@ -1580,6 +1580,7 @@ def _append_hardware_usage(lines: list[str], summary: dict[str, Any]) -> None:
     if not isinstance(usage, list) or not usage:
         return
     parts = []
+    tops: dict[str, tuple[str, float]] = {}
     for entry in usage[:5]:
         if not isinstance(entry, dict):
             continue
@@ -1595,8 +1596,27 @@ def _append_hardware_usage(lines: list[str], summary: dict[str, Any]) -> None:
         label += f" cpu={_format_float(cpu)} ram={_format_float(ram)}"
         label += f" io={_format_rate_bytes(io)} net={_format_rate_bytes(net)}"
         parts.append(label)
+        for metric, value in (("cpu", cpu), ("ram", ram), ("io", io), ("net", net), ("load", load)):
+            if isinstance(value, (int, float)):
+                current = tops.get(metric)
+                if current is None or float(value) > current[1]:
+                    tops[metric] = (hardware, float(value))
     if parts:
         lines.append("hardware_usage_avg: " + "; ".join(parts))
+    if tops:
+        top_parts = []
+        for metric in ("cpu", "ram", "io", "net", "load"):
+            entry = tops.get(metric)
+            if not entry:
+                continue
+            hardware, value = entry
+            if metric in {"io", "net"}:
+                rendered = _format_rate_bytes(value)
+            else:
+                rendered = _format_float(value)
+            top_parts.append(f"{metric}={hardware} ({rendered})")
+        if top_parts:
+            lines.append("hardware_usage_top: " + "; ".join(top_parts))
 
 
 def _append_cluster_watchlist(lines: list[str], summary: dict[str, Any]) -> None: