refs #739: govern Smilegate few-shot references

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

@@ -363,7 +363,7 @@ class McpSseServiceTest {
       this.topK = topK;
       return new VectorSearchResult(question, topK, java.util.List.of(new VectorExample(
           42L, "active user count", "SELECT COUNT(*) FROM APP_USER", "AU count",
-          "cohere.embed-v4.0", 0.12
+          "cohere.embed-v4.0", "SQL_TEMPLATE", "ANY", null, 0.12
       )));
     }
 
@@ -372,7 +372,7 @@ class McpSseServiceTest {
       this.bearerToken = bearerToken;
       this.question = question;
       this.answerSql = answerSql;
-      return new VectorStoreResult(77L, question, "cohere.embed-v4.0");
+      return new VectorStoreResult(77L, question, "cohere.embed-v4.0", "DRAFT");
     }
   }
 

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

@@ -17,6 +17,9 @@ class SelectAiFewShotPromptTest {
             "SELECT COUNT(*) AS AU_COUNT FROM APP_USER",
             "AU count",
             "cohere.embed-v4.0",
+            "SQL_TEMPLATE",
+            "SINGLE",
+            "GAME_USER_MASTER",
             0.01
         ))
     );
@@ -29,4 +32,27 @@ class SelectAiFewShotPromptTest {
         .contains("do not infer a default game")
         .contains("Continue a game-neutral question with approved common objects");
   }
+
+  @Test
+  void rendersNoTargetExamplesAsBoundaryRatherThanSqlPattern() {
+    String prompt = SelectAiService.composeFewShotPrompt(
+        "common user count without a game",
+        List.of(new QaVectorService.VectorExample(
+            5L,
+            "common user count without a game",
+            "SELECT CAST(NULL AS NUMBER) FROM DUAL WHERE 1 = 0",
+            "Do not select a game-scoped object when the target plan is NONE.",
+            "cohere.embed-v4.0",
+            "NO_TARGET",
+            "NONE",
+            null,
+            0.01
+        ))
+    );
+
+    assertThat(prompt)
+        .contains("Boundary outcome")
+        .contains("Do not select a game-scoped object")
+        .doesNotContain("SELECT CAST(NULL AS NUMBER)");
+  }
 }