fix: avoid low-confidence supervisor retry by default

src/main/java/com/superbiz/agent/service/ChatService.java

@@ -104,6 +104,9 @@ public class ChatService {
     @Value("${verifier.low-confidence-threshold:0.5}")
     private double verifierLowConfidenceThreshold;
 
+    @Value("${chat.complex.retry-on-low-confidence:false}")
+    private boolean retryOnLowConfidence;
+
     /** 多 Agent Chat 的 Prompt */
     private String chatPlannerPrompt;
     private String chatExecutorPrompt;
@@ -211,16 +214,19 @@ public class ChatService {
 
     /**
      * 动态构建方法工具数组
-     * 根据 cls.mock-enabled 决定是否包含 QueryLogsTools
+     * 根据已注入的 Bean 暴露本地工具，避免 mock/真实模式下漏注入。
      */
     public Object[] buildMethodToolsArray() {
+        List<Object> methodTools = new ArrayList<>();
+        methodTools.add(dateTimeTools);
+        methodTools.add(lookupKnowledgeTool);
         if (queryLogsTools != null) {
-            // Mock 模式：包含 QueryLogsTools
-            return new Object[]{dateTimeTools, lookupKnowledgeTool};
-        } else {
-            // 真实模式：不包含 QueryLogsTools（由 MCP 提供日志查询功能）
-            return new Object[]{dateTimeTools, lookupKnowledgeTool, queryMetricsTools};
+            methodTools.add(queryLogsTools);
         }
+        if (queryMetricsTools != null) {
+            methodTools.add(queryMetricsTools);
+        }
+        return methodTools.toArray();
     }
 
     /**
@@ -436,7 +442,10 @@ public class ChatService {
                     break;
                 }
 
-                if (finalDecision.groundednessScore() >= verifierLowConfidenceThreshold || round == 2) {
+                boolean shouldRetry = retryOnLowConfidence
+                        && finalDecision.groundednessScore() < verifierLowConfidenceThreshold
+                        && round < 2;
+                if (!shouldRetry) {
                     answer = buildLowConfidenceOutput(answer, finalDecision);
                     persistVerifierEvaluation(session, finalDecision, round);
                     break;