Show latest Krea2 evidence in tuning report

docs/sxcp-eval-loop.md

@@ -51,7 +51,9 @@ python tools/krea2_tuning_report.py
 ```
 
 The report includes atlas references plus prompt cues and avoid cues for the
-next fixed-seed test candidate.
+next fixed-seed test candidate. It also shows the latest durable evidence for
+variants that already have fixed-seed results, including the evidence id, seed,
+decision, candidate prompt summary, and observation.
 
 ## Optional Command Hook