test(aihr): cover disabled scenario rejection

backend/ruoyi-modules/ruoyi-aihr/src/test/java/org/dromara/aihr/service/AihrPracticeSeedServiceTest.java

@@ -234,6 +234,20 @@ public class AihrPracticeSeedServiceTest {
         assertTrue(source.contains("训练场景已停用，无法开始"));
     }
 
+    @Test
+    public void startRejectsDisabledDatabaseScenario() {
+        JdbcTemplate jdbcTemplate = mock(JdbcTemplate.class);
+        when(jdbcTemplate.query(contains("SELECT enabled"), any(RowMapper.class), eq("000000"), eq("disabled-scene")))
+            .thenAnswer(invocation -> mapOne(invocation, Map.of("enabled", "false")));
+        AihrPracticeSeedService service = new AihrPracticeSeedService(new ObjectMapper(), jdbcTemplate, null, null);
+
+        ServiceException error = assertThrows(ServiceException.class, () -> service.start(
+            new StartRequest("employee-a", "disabled-scene", "text", null)
+        ));
+
+        assertEquals("训练场景已停用，无法开始", error.getMessage());
+    }
+
     @Test
     public void createAssignmentRejectsOutOfProjectAssignee() {
         JdbcTemplate jdbcTemplate = mock(JdbcTemplate.class);