新增COM离线时对控制/读取/OTA相关JB命令的本地自动应答，经BLE回传网关

apps/usr_le_code/usr_le_recieve.c

@@ -360,24 +360,12 @@ void usr_data_ana(bleproto_appdata_desc_t *desc)
             printf("E_BLEPROTO_SERVICE_ID_RUNCMD_V2 cmd=%d bytes_len=%d\n",
                    pkt->cmd, pkt->device_bytes_len);
 
-#if TCFG_USB_SLAVE_CDC_ENABLE
-            /* 透传 device bytes 到 USB CDC（串口助手可见） */
-            if (pkt->bytes_data && pkt->device_bytes_len > 0)
-            {
-                u32 wlen = cdc_write_data(0, (u8 *)pkt->bytes_data, pkt->device_bytes_len);
-                printf("cdc_write_data %u/%u\n", wlen, (u32)pkt->device_bytes_len);
-                if (wlen == 0)
-                {
-                    printf("cdc write fail: USB not ready(DTR) or CDC not started\n");
-                }
-            }
-            else
-            {
+            /* COM 打开→透传 CDC；COM 关闭→对指定 JB 命令本地自动应答回 BLE */
+            if (pkt->bytes_data && pkt->device_bytes_len > 0) {
+                usr_jb_on_runcmd_bytes(pkt->bytes_data, pkt->device_bytes_len);
+            } else {
                 printf("runcmd_v2 no bytes payload\n");
             }
-#else
-            printf("TCFG_USB_SLAVE_CDC_ENABLE not enable\n");
-#endif
             break;
         }
         default: