fix: 适配 Gateway 响应模型变更，更新轮询处理器和 Mock 服务

- polling_handler: Status→RealStatus, UsedFlow→Used, parseRealnameStatus 参数改为 bool
- mock_gateway: 同步接口路径和响应结构与上游文档一致

scripts/benchmark/mock_gateway.go

@@ -45,7 +45,7 @@ func main() {
 	}
 
 	// 实名查询接口（匹配 gateway client 的路径）
-	http.HandleFunc("/flow-card/realname-status", handleRealnameQuery)
+	http.HandleFunc("/flow-card/realName", handleRealnameQuery)
 
 	// 流量查询接口
 	http.HandleFunc("/flow-card/flow", handleFlowQuery)
@@ -67,7 +67,7 @@ func main() {
 	fmt.Println("模拟响应时间: 200ms - 4s")
 	fmt.Println("")
 	fmt.Println("接口列表:")
-	fmt.Println("  POST /flow-card/realname-status - 实名查询")
+	fmt.Println("  POST /flow-card/realName - 实名查询")
 	fmt.Println("  POST /flow-card/flow - 流量查询")
 	fmt.Println("  POST /flow-card/status - 卡状态查询")
 	fmt.Println("  POST /flow-card/cardStop - 停机操作")
@@ -112,14 +112,13 @@ func handleRealnameQuery(w http.ResponseWriter, r *http.Request) {
 	// 90% 成功，10% 失败
 	if rand.Float64() < 0.90 {
 		atomic.AddInt64(&successRequests, 1)
-		// 随机返回实名状态
-		statuses := []string{"未实名", "实名中", "已实名"}
-		status := statuses[rand.Intn(3)]
+		// 随机返回实名状态（匹配文档：realStatus 为 bool 类型）
+		realStatus := rand.Float64() < 0.5
 		resp := GatewayResponse{
 			Code:    200,
 			Msg:     "success",
 			TraceID: fmt.Sprintf("trace-%d", time.Now().UnixNano()),
-			Data:    json.RawMessage(fmt.Sprintf(`{"status": "%s"}`, status)),
+			Data:    json.RawMessage(fmt.Sprintf(`{"iccid": "mock-iccid", "realStatus": %t}`, realStatus)),
 		}
 		json.NewEncoder(w).Encode(resp)
 	} else {
@@ -140,13 +139,13 @@ func handleFlowQuery(w http.ResponseWriter, r *http.Request) {
 
 	if rand.Float64() < 0.90 {
 		atomic.AddInt64(&successRequests, 1)
-		// 随机返回流量数据（匹配 FlowUsageResp 结构）
+		// 随机返回流量数据（匹配文档：used 字段）
 		usedFlow := rand.Intn(10000)
 		resp := GatewayResponse{
 			Code:    200,
 			Msg:     "success",
 			TraceID: fmt.Sprintf("trace-%d", time.Now().UnixNano()),
-			Data:    json.RawMessage(fmt.Sprintf(`{"usedFlow": %d, "unit": "MB"}`, usedFlow)),
+			Data:    json.RawMessage(fmt.Sprintf(`{"iccid": "mock-iccid", "used": %d, "unit": "MB"}`, usedFlow)),
 		}
 		json.NewEncoder(w).Encode(resp)
 	} else {