修复同卡复核重复字段校验

server/src/test/java/cn/nianxx/thhotel/workflows/reservation/control/SuperAgentTaskResultControllerTest.java

@@ -1912,6 +1912,53 @@ class SuperAgentTaskResultControllerTest {
         assertThat(sourceTaskCount).isEqualTo(1L);
     }
 
+    @Test
+    void shouldRejectManualReviewResolutionWhenPointerIsDuplicated() throws Exception {
+        captureSourceMessage("mail-v3-manual-review-duplicate-pointer-001");
+        String body = typeKnownManualReviewBody(
+                "mail-v3-manual-review-duplicate-pointer-001",
+                "CNF-V3-MR-DUP-001",
+                "2026-09-05",
+                "2026-09-07");
+        MvcResult createResult = mockMvc.perform(signedPost(body, "nonce-v3-manual-review-duplicate-pointer-001"))
+                .andExpect(status().isCreated())
+                .andReturn();
+        String taskId = com.jayway.jsonpath.JsonPath.read(
+                createResult.getResponse().getContentAsString(),
+                "$.items[0].task_id");
+        String orderId = com.jayway.jsonpath.JsonPath.read(
+                createResult.getResponse().getContentAsString(),
+                "$.items[0].order_id");
+
+        mockMvc.perform(post("/api/reservation/tasks/{taskId}/manual-review-resolutions", taskId)
+                        .contentType(MediaType.APPLICATION_JSON)
+                        .content("""
+                                {
+                                  "confirmed_order_id": "%s",
+                                  "field_overrides": [
+                                    {
+                                      "field_pointer": "/extracted_fields/pms_room_type_code",
+                                      "value": "RM3"
+                                    },
+                                    {
+                                      "field_pointer": "/extracted_fields/pms_room_type_code",
+                                      "value": "RM4"
+                                    }
+                                  ]
+                                }
+                                """.formatted(orderId)))
+                .andExpect(status().isBadRequest())
+                .andExpect(jsonPath("$.error_code").value("TASK_REVIEW_POINTER_DUPLICATE"))
+                .andExpect(jsonPath("$.details[0]").value(containsString("/extracted_fields/pms_room_type_code")));
+
+        String taskStatus = jdbcTemplate.queryForObject("""
+                SELECT task_status
+                FROM workflow_reservation_task
+                WHERE id = ?
+                """, String.class, Long.valueOf(taskId));
+        assertThat(taskStatus).isEqualTo("PENDING_CONFIRM");
+    }
+
     @Test
     void shouldRejectManualReviewResolutionWhenMissingFieldsAreNotResolved() throws Exception {
         captureSourceMessage("mail-v3-manual-review-missing-001");