feat(eval): add evidence pipeline acceptance closure

src/main/java/com/superbiz/agent/eval/DiagnosisEvalResult.java

@@ -23,6 +23,7 @@ public class DiagnosisEvalResult {
     private int requiredKeywordCount;
     private Map<String, Boolean> evidenceCoverage;
     private String gatekeeperStatus;
+    private String gatekeeperRuleSetVersion;
     private String composerStatus;
     private Integer claimCheckCount;
     private Integer toolCallCount;