feat: add aiops payload query augmentation

src/test/java/com/superbiz/agent/service/AiOpsServiceTest.java

@@ -95,11 +95,28 @@ class AiOpsServiceTest {
         assertTrue(prompt.contains("queryPrometheusAlerts only to verify"));
         assertTrue(prompt.contains("do not create full root-cause or remediation sections"));
         assertTrue(prompt.contains("Related Risk"));
+        assertTrue(prompt.contains("Recommended lookup_knowledge query: HighCPUUsage payment-service P1 CPU usage is above 80% last_15m"));
+        assertTrue(prompt.contains("preserves alertName and service"));
         assertTrue(prompt.contains("告警: HighCPUUsage"));
         assertTrue(prompt.contains("服务: payment-service"));
         assertFalse(prompt.contains("AIOps scope mode: AUTO_DISCOVERY"));
     }
 
+    @Test
+    void buildKnowledgeRetrievalQueryUsesPayloadFieldsAndSkipsBlankValues() {
+        AIOpsRequest request = new AIOpsRequest();
+        request.setAlertName("HighLatency");
+        request.setService(" payment-service ");
+        request.setSeverity(" ");
+        request.setDescription("P95 latency above threshold");
+        request.setTimeRange("last_10m");
+        request.setUserRequest("结合日志和指标排查");
+
+        String query = service.buildKnowledgeRetrievalQuery(request);
+
+        assertEquals("HighLatency payment-service P95 latency above threshold last_10m 结合日志和指标排查", query);
+    }
+
     @Test
     void buildTaskPromptUsesAutoDiscoveryModeWhenAlertPayloadIsMissing() {
         String nullRequestPrompt = service.buildTaskPrompt(null);
@@ -116,6 +133,7 @@ class AiOpsServiceTest {
 
         assertTrue(userRequestOnlyPrompt.contains("AIOps scope mode: AUTO_DISCOVERY"));
         assertTrue(userRequestOnlyPrompt.contains("First call queryPrometheusAlerts"));
+        assertFalse(userRequestOnlyPrompt.contains("Recommended lookup_knowledge query"));
     }
 
     @Test