refs #731: enrich Text2SQL prompts with QA examples

src/test/java/com/cloudhandson/vpdbackoffice/service/McpSseServiceTest.java

@@ -196,7 +196,7 @@ class McpSseServiceTest {
     private boolean showpromptCalled;
 
     private CapturingSelectAiService() {
-      super(null, null, null, new ObjectMapper());
+      super(null, null, null, new ObjectMapper(), null);
     }
 
     @Override

src/test/java/com/cloudhandson/vpdbackoffice/service/SelectAiFewShotPromptTest.java

@@ -0,0 +1,30 @@
+package com.cloudhandson.vpdbackoffice.service;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import java.util.List;
+import org.junit.jupiter.api.Test;
+
+class SelectAiFewShotPromptTest {
+
+  @Test
+  void includesVerifiedExamplesBeforeTheOriginalQuestion() {
+    String prompt = SelectAiService.composeFewShotPrompt(
+        "current active users",
+        List.of(new QaVectorService.VectorExample(
+            7L,
+            "active users by game",
+            "SELECT COUNT(*) AS AU_COUNT FROM APP_USER",
+            "AU count",
+            "cohere.embed-v4.0",
+            0.01
+        ))
+    );
+
+    assertThat(prompt)
+        .contains("Verified few-shot examples")
+        .contains("SELECT COUNT(*) AS AU_COUNT FROM APP_USER")
+        .contains("Original user question:\ncurrent active users")
+        .contains("current approved object list and policy");
+  }
+}