atlasbot: enforce metric facts in answers

atlasbot/engine/answerer.py

@@ -481,6 +481,9 @@ class AnswerEngine:
             hardware_line = _line_starting_with(summary_lines, "hardware_nodes:")
             if any(term in lowered_question for term in hardware_terms) and hardware_line:
                 needs_evidence = True
+            if metric_facts and (classify.get("question_type") in {"metric", "diagnostic"} or force_metric):
+                if not _reply_matches_metric_facts(reply, metric_facts):
+                    needs_evidence = True
             if classify.get("question_type") in {"open_ended", "planning"} and metric_facts:
                 needs_evidence = True
             resolved_runbook = None
@@ -1769,6 +1772,18 @@ def _needs_evidence_fix(reply: str, classify: dict[str, Any]) -> bool:
     return False
 
 
+def _reply_matches_metric_facts(reply: str, metric_facts: list[str]) -> bool:
+    if not reply or not metric_facts:
+        return True
+    reply_numbers = set(re.findall(r"\d+(?:\\.\d+)?", reply))
+    if not reply_numbers:
+        return False
+    fact_numbers = set(re.findall(r"\d+(?:\\.\d+)?", " ".join(metric_facts)))
+    if not fact_numbers:
+        return True
+    return bool(reply_numbers & fact_numbers)
+
+
 def _needs_dedup(reply: str) -> bool:
     if not reply:
         return False