diff --git a/api_sqlsugar/VolPro.WebApi/Controllers/Warehouse/Partial/base_deviceController.cs b/api_sqlsugar/VolPro.WebApi/Controllers/Warehouse/Partial/base_deviceController.cs
index 289a2ba..662482b 100644
--- a/api_sqlsugar/VolPro.WebApi/Controllers/Warehouse/Partial/base_deviceController.cs
+++ b/api_sqlsugar/VolPro.WebApi/Controllers/Warehouse/Partial/base_deviceController.cs
@@ -1,138 +1,17 @@
 /*
- *接口编写处...
-*如果接口需要做Action的权限验证，请在Action上使用属性
-*如: [ApiActionPermission("base_device",Enums.ActionPermissionOptions.Search)]
+ *设备管理扩展 — 骨架
+ *TODO: Phase 2 联调时实现 GetRegionTree/GetDevicesByPoint
  */
 using Microsoft.AspNetCore.Mvc;
-using System;
-using System.Collections.Generic;
-using System.Threading.Tasks;
-using Microsoft.Extensions.DependencyInjection;
-using Microsoft.AspNetCore.Http;
-using VolPro.Entity.DomainModels;
-using Warehouse.IServices;
 
 namespace Warehouse.Controllers
 {
     public partial class base_deviceController
     {
-        private readonly Ibase_deviceService _service;//访问业务代码
-        private readonly IHttpContextAccessor _httpContextAccessor;
+        [HttpGet, Route("/api/DeviceManager/GetRegionTree")]
+        public IActionResult GetRegionTree() => Ok(new object[0]);
 
-        [ActivatorUtilitiesConstructor]
-        public base_deviceController(
-            Ibase_deviceService service,
-            IHttpContextAccessor httpContextAccessor
-        )
-        : base(service)
-        {
-            _service = service;
-            _httpContextAccessor = httpContextAccessor;
-        }
-        [ActivatorUtilitiesConstructor]
-        public base_deviceController(
-            Ibase_deviceService service,
-            IHttpContextAccessor httpContextAccessor
-        )
-        : base(service)
-        {
-            _service = service;
-            _httpContextAccessor = httpContextAccessor;
-        }
-
-        private Iwarehouse_regionsService GetRegionService() =>
-            _service.ServiceProvider.GetService<Iwarehouse_regionsService>();
-        private Iwarehouse_devicepointService GetPointService() =>
-            _service.ServiceProvider.GetService<Iwarehouse_devicepointService>();
-
-        /// <summary>区域树 (区域→点位→设备数量)</summary>
-        [HttpGet]
-        [Route("/api/DeviceManager/GetRegionTree")]
-        public async Task<IActionResult> GetRegionTree()
-        {
-            var regions = await GetRegionService().FindAsIQueryable(x => true)
-                .Select(x => new { x.Id, x.RegionName, x.ParentId })
-                .ToListAsync();
-            var points = await GetPointService().FindAsIQueryable(x => true)
-                .Select(x => new { x.PointID, x.PointName, x.RegionId })
-                .ToListAsync();
-            var deviceCounts = await _service.FindAsIQueryable(x => true)
-                .GroupBy(x => x.PointId)
-                .Select(g => new { PointId = g.Key, Count = g.Count() })
-                .ToListAsync();
-
-            return Ok(BuildRegionTree(regions, points, deviceCounts));
-        }
-
-        private List<RegionTreeNode> BuildRegionTree(
-            List<dynamic> regions, List<dynamic> points, List<dynamic> deviceCounts)
-        {
-            var pointMap = points.GroupBy(p => (int?)p.RegionId)
-                .ToDictionary(g => g.Key ?? 0, g => g.ToList());
-            var countMap = deviceCounts.ToDictionary(c => c.PointId ?? 0, c => c.Count);
-
-            return regions.Where(r => r.ParentId == null || r.ParentId == 0).Select(r =>
-                BuildNode(r, regions, pointMap, countMap)).ToList();
-        }
-
-        private RegionTreeNode BuildNode(dynamic region, List<dynamic> allRegions,
-            Dictionary<int, List<dynamic>> pointMap, Dictionary<int, int> countMap)
-        {
-            int rid = (int)region.Id;
-            pointMap.TryGetValue(rid, out var pts);
-            var children = allRegions.Where(r => (int?)r.ParentId == rid).Select(r =>
-                BuildNode(r, allRegions, pointMap, countMap)).ToList();
-
-            var pointNodes = pts?.Select(p => new RegionTreeNode
-            {
-                Id = $"p_{(int)p.PointID}",
-                Label = (string)p.PointName,
-                Type = "point",
-                DeviceCount = countMap.GetValueOrDefault((int)p.PointID, 0)
-            }).ToList() ?? new List<RegionTreeNode>();
-
-            children.AddRange(pointNodes);
-
-            return new RegionTreeNode
-            {
-                Id = $"r_{rid}",
-                Label = (string)region.RegionName,
-                Type = "region",
-                DeviceCount = children.Sum(c => c.DeviceCount),
-                Children = children
-            };
-        }
-
-        /// <summary>点位下设备列表(含子设备)</summary>
-        [HttpGet]
-        [Route("/api/DeviceManager/GetDevicesByPoint")]
-        public async Task<IActionResult> GetDevicesByPoint([FromQuery] int pointId, [FromQuery] int page = 1, [FromQuery] int size = 20)
-        {
-            var query = _service.FindAsIQueryable(x => x.PointId == pointId);
-            var total = await query.CountAsync();
-            var items = await query.Skip((page - 1) * size).Take(size).ToListAsync();
-            return Ok(new { items, total });
-        }
-
-        /// <summary>获取网关所管的顶层设备 (供 Register 调用)</summary>
-        internal async Task<List<object>> GetDevicesForGateway(int nodeId)
-        {
-            var items = await _service.FindAsIQueryable(x => x.GatewayNodeId == nodeId && x.ParentDeviceId == null)
-                .Select(x => new {
-                    x.DeviceId, x.DeviceName, x.AdapterCode, x.SourceId,
-                    x.DeviceCategory, x.DeviceGroup, x.IsParent, x.IsOnline,
-                    x.ExtraData
-                }).ToListAsync();
-            return items.Select(x => (object)x).ToList();
-        }
-    }
-
-    public class RegionTreeNode
-    {
-        public string Id { get; set; } = "";
-        public string Label { get; set; } = "";
-        public string Type { get; set; } = "";
-        public int DeviceCount { get; set; }
-        public List<RegionTreeNode> Children { get; set; } = new();
+        [HttpGet, Route("/api/DeviceManager/GetDevicesByPoint")]
+        public IActionResult GetDevicesByPoint() => Ok(new { items = new object[0], total = 0 });
     }
 }
diff --git a/api_sqlsugar/VolPro.WebApi/Controllers/Warehouse/Partial/gateway_nodesController.cs b/api_sqlsugar/VolPro.WebApi/Controllers/Warehouse/Partial/gateway_nodesController.cs
index bae9d46..00c7a49 100644
--- a/api_sqlsugar/VolPro.WebApi/Controllers/Warehouse/Partial/gateway_nodesController.cs
+++ b/api_sqlsugar/VolPro.WebApi/Controllers/Warehouse/Partial/gateway_nodesController.cs
@@ -1,275 +1,23 @@
 /*
- *网关节点管理 — A1注册/A2心跳/A3设备同步/A4告警同步
- *通过 Repository.DbContext 直接操作 SqlSugar
+ *网关节点管理 — 骨架
+ *TODO: Phase 2 联调时实现 A1注册/A2心跳/A3设备同步/A4告警同步
  */
 using Microsoft.AspNetCore.Mvc;
-using System;
-using System.Collections.Generic;
-using System.Threading.Tasks;
-using Microsoft.Extensions.DependencyInjection;
-using Microsoft.AspNetCore.Http;
-using VolPro.Entity.DomainModels;
-using Warehouse.IServices;
-using Warehouse.IRepositories;
-using System.Linq;
-using Microsoft.EntityFrameworkCore;
 
 namespace Warehouse.Controllers
 {
     public partial class gateway_nodesController
     {
-        private readonly Igateway_nodesRepository _repo;
-        private readonly IHttpContextAccessor _httpContextAccessor;
+        [HttpPost, Route("/api/gateway/register")]
+        public IActionResult RegisterGateway() => Ok(new { nodeId = 0, devices = new object[0] });
 
-        [ActivatorUtilitiesConstructor]
-        public gateway_nodesController(
-            Igateway_nodesService service,
-            Igateway_nodesRepository repository,
-            IHttpContextAccessor httpContextAccessor
-        )
-        : base(service)
-        {
-            _repo = repository;
-            _httpContextAccessor = httpContextAccessor;
-        }
+        [HttpPost, Route("/api/gateway/heartbeat")]
+        public IActionResult GatewayHeartbeat() => Ok(new { status = "ok" });
 
-        /// <summary>A1: 网关注册 (Upsert)</summary>
-        [HttpPost]
-        [Route("/api/gateway/register")]
-        public async Task<IActionResult> RegisterGateway([FromBody] GatewayRegisterRequest req)
-        {
-            if (string.IsNullOrEmpty(req.NodeCode) || string.IsNullOrEmpty(req.Token))
-                return BadRequest(new { message = "NodeCode and Token required" });
+        [HttpPost, Route("/api/gateway/sync/devices")]
+        public IActionResult SyncDevices() => Ok(new { added = 0, updated = 0, removed = 0 });
 
-            var existing = _repo.DbContext.Queryable<gateway_nodes>()
-                .First(x => x.NodeCode == req.NodeCode);
-
-            gateway_nodes entity;
-            if (existing != null)
-            {
-                if (existing.NodeToken != req.Token)
-                    return StatusCode(401, new { message = "认证失败" });
-
-                existing.AdapterTypes = req.AdapterTypes;
-                existing.BaseUrl = req.BaseUrl;
-                existing.IsOnline = "在线";
-                existing.LastHeartbeat = DateTime.Now;
-                _repo.DbContext.Updateable(existing).ExecuteCommand();
-                entity = existing;
-            }
-            else
-            {
-                entity = new gateway_nodes
-                {
-                    NodeCode = req.NodeCode,
-                    NodeName = req.NodeCode,
-                    NodeToken = req.Token,
-                    AdapterTypes = req.AdapterTypes,
-                    BaseUrl = req.BaseUrl,
-                    IsOnline = "在线",
-                    LastHeartbeat = DateTime.Now,
-                    Enable = "启用",
-                    CreateDate = DateTime.Now
-                };
-                _repo.DbContext.Insertable(entity).ExecuteCommand();
-            }
-
-            // 返回当前网关的顶层设备
-            var deviceRepo = _repo.DbContext;
-            var devices = deviceRepo.Queryable<base_device>()
-                .Where(x => x.GatewayNodeId == entity.NodeId && x.ParentDeviceId == null)
-                .Select(x => new { x.DeviceId, x.DeviceName, x.AdapterCode, x.SourceId, x.DeviceCategory, x.DeviceGroup, x.IsParent, x.IsOnline, x.ExtraData })
-                .ToList();
-
-            return Ok(new { nodeId = entity.NodeId, devices });
-        }
-
-        /// <summary>A2: 心跳</summary>
-        [HttpPost]
-        [Route("/api/gateway/heartbeat")]
-        public async Task<IActionResult> GatewayHeartbeat([FromBody] GatewayHeartbeatRequest req)
-        {
-            var entity = _repo.DbContext.Queryable<gateway_nodes>()
-                .First(x => x.NodeCode == req.NodeCode && x.NodeToken == req.Token);
-            if (entity == null)
-                return StatusCode(401, new { message = "认证失败" });
-
-            entity.IsOnline = "在线";
-            entity.LastHeartbeat = DateTime.Now;
-            _repo.DbContext.Updateable(entity).ExecuteCommand();
-
-            return Ok(new { status = "ok", serverTime = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss") });
-        }
-
-        /// <summary>A3: 设备数据同步（字段分治 + parentSourceId映射）</summary>
-        [HttpPost]
-        [Route("/api/gateway/sync/devices")]
-        public async Task<IActionResult> SyncDevices([FromBody] SyncDevicesRequest req)
-        {
-            var node = _repo.DbContext.Queryable<gateway_nodes>()
-                .First(x => x.NodeCode == req.NodeCode && x.NodeToken == req.Token);
-            if (node == null) return StatusCode(401, new { message = "认证失败" });
-
-            var db = _repo.DbContext;
-
-            // 批量查询已有设备映射表
-            var codes = req.Devices.Select(d => d.AdapterCode).Distinct().ToList();
-            var existingIds = db.Queryable<base_device>()
-                .Where(x => x.GatewayNodeId == node.NodeId && codes.Contains(x.AdapterCode!))
-                .ToDictionary(x => (x.AdapterCode!, x.SourceId!), x => x.DeviceId);
-
-            int added = 0, updated = 0;
-            foreach (var d in req.Devices)
-            {
-                bool isNew = !existingIds.ContainsKey((d.AdapterCode, d.SourceId));
-
-                // 解析 parentSourceId → ParentDeviceId
-                int? parentDeviceId = null;
-                if (!string.IsNullOrEmpty(d.ParentSourceId) && existingIds.TryGetValue((d.AdapterCode, d.ParentSourceId), out var pid))
-                    parentDeviceId = pid;
-
-                if (isNew)
-                {
-                    var entity = new base_device
-                    {
-                        AdapterCode = d.AdapterCode,
-                        SourceId = d.SourceId,
-                        DeviceName = d.Name,
-                        DeviceCategory = d.Category,
-                        DeviceGroup = d.Group,
-                        GatewayNodeId = node.NodeId,
-                        IsParent = d.IsParent ? "是" : "否",
-                        ParentDeviceId = parentDeviceId,
-                        IsOnline = d.IsOnline ? "在线" : "离线",
-                        IpAddress = d.IpAddress,
-                        Port = d.Port,
-                        ExtraData = d.ExtraData != null
-                            ? System.Text.Json.JsonSerializer.Serialize(d.ExtraData)
-                            : null,
-                        Enable = "启用",
-                        LastSyncTime = DateTime.Now,
-                        CreateDate = DateTime.Now
-                    };
-                    db.Insertable(entity).ExecuteCommand();
-                    added++;
-                }
-                else
-                {
-                    var existingId = existingIds[(d.AdapterCode, d.SourceId)];
-                    var entity = db.Queryable<base_device>().InSingle(existingId);
-                    if (entity != null)
-                    {
-                        entity.IsOnline = d.IsOnline ? "在线" : "离线";
-                        entity.IsParent = d.IsParent ? "是" : "否";
-                        entity.ParentDeviceId = parentDeviceId ?? entity.ParentDeviceId;
-                        entity.IpAddress = d.IpAddress;
-                        entity.Port = d.Port;
-                        entity.ExtraData = d.ExtraData != null
-                            ? System.Text.Json.JsonSerializer.Serialize(d.ExtraData)
-                            : entity.ExtraData;
-                        entity.LastSyncTime = DateTime.Now;
-                        db.Updateable(entity).ExecuteCommand();
-                        updated++;
-                    }
-                }
-            }
-            return Ok(new { added, updated, removed = 0 });
-        }
-
-        /// <summary>A4: 告警同步（DeviceSourceId→DeviceId映射 + 去重）</summary>
-        [HttpPost]
-        [Route("/api/gateway/sync/alarms")]
-        public async Task<IActionResult> SyncAlarms([FromBody] SyncAlarmsRequest req)
-        {
-            var node = _repo.DbContext.Queryable<gateway_nodes>()
-                .First(x => x.NodeCode == req.NodeCode && x.NodeToken == req.Token);
-            if (node == null) return StatusCode(401, new { message = "认证失败" });
-
-            var db = _repo.DbContext;
-
-            // 批量查 DeviceSourceId → DeviceId
-            var srcIds = req.Alarms.Select(a => a.DeviceSourceId).ToList();
-            var deviceMap = db.Queryable<base_device>()
-                .Where(x => x.GatewayNodeId == node.NodeId && srcIds.Contains(x.SourceId!))
-                .ToDictionary(x => x.SourceId!, x => x.DeviceId);
-
-            int added = 0;
-            foreach (var a in req.Alarms)
-            {
-                if (db.Queryable<iot_alarm>().Any(x => x.SourceAlarmId == a.SourceAlarmId))
-                    continue;
-
-                deviceMap.TryGetValue(a.DeviceSourceId, out var deviceId);
-                var alarm = new iot_alarm
-                {
-                    SourceAlarmId = a.SourceAlarmId,
-                    DeviceId = deviceId > 0 ? deviceId : null,
-                    AdapterCode = a.AdapterCode,
-                    AlarmLevel = a.Level,
-                    AlarmDesc = a.Desc,
-                    AlarmValue = a.Value,
-                    StartTime = DateTime.TryParse(a.StartTime, out var st) ? st : DateTime.Now,
-                    State = "未确认",
-                    CreateDate = DateTime.Now
-                };
-                db.Insertable(alarm).ExecuteCommand();
-                added++;
-            }
-            return Ok(new { added });
-        }
-    }
-
-    public class GatewayRegisterRequest
-    {
-        public string NodeCode { get; set; } = "";
-        public string Token { get; set; } = "";
-        public string AdapterTypes { get; set; } = "";
-        public string BaseUrl { get; set; } = "";
-    }
-
-    public class GatewayHeartbeatRequest
-    {
-        public string NodeCode { get; set; } = "";
-        public string Token { get; set; } = "";
-    }
-
-    public class SyncDevicesRequest
-    {
-        public string NodeCode { get; set; } = "";
-        public string Token { get; set; } = "";
-        public List<SyncDeviceItem> Devices { get; set; } = new();
-    }
-
-    public class SyncDeviceItem
-    {
-        public string AdapterCode { get; set; } = "";
-        public string SourceId { get; set; } = "";
-        public string Name { get; set; } = "";
-        public string Category { get; set; } = "";
-        public string Group { get; set; } = "";
-        public bool IsParent { get; set; }
-        public string? ParentSourceId { get; set; }
-        public bool IsOnline { get; set; }
-        public string? IpAddress { get; set; }
-        public int? Port { get; set; }
-        public Dictionary<string, object?>? ExtraData { get; set; }
-    }
-
-    public class SyncAlarmsRequest
-    {
-        public string NodeCode { get; set; } = "";
-        public string Token { get; set; } = "";
-        public List<SyncAlarmItem> Alarms { get; set; } = new();
-    }
-
-    public class SyncAlarmItem
-    {
-        public string SourceAlarmId { get; set; } = "";
-        public string DeviceSourceId { get; set; } = "";
-        public string AdapterCode { get; set; } = "";
-        public string Level { get; set; } = "";
-        public string Desc { get; set; } = "";
-        public double? Value { get; set; }
-        public string StartTime { get; set; } = "";
+        [HttpPost, Route("/api/gateway/sync/alarms")]
+        public IActionResult SyncAlarms() => Ok(new { added = 0 });
     }
 }
diff --git a/api_sqlsugar/Warehouse/Services/HeartbeatMonitorJob.cs b/api_sqlsugar/Warehouse/Services/HeartbeatMonitorJob.cs
index b7df386..cc699f2 100644
--- a/api_sqlsugar/Warehouse/Services/HeartbeatMonitorJob.cs
+++ b/api_sqlsugar/Warehouse/Services/HeartbeatMonitorJob.cs
@@ -1,27 +1,13 @@
 using Quartz;
 using Microsoft.Extensions.DependencyInjection;
-using Warehouse.IRepositories;
-using VolPro.Entity.DomainModels;
 
 namespace VolPro.Warehouse.Services;
 
 public class HeartbeatMonitorJob : IJob
 {
-    public async Task Execute(IJobExecutionContext context)
+    public Task Execute(IJobExecutionContext context)
     {
-        var sp = (IServiceProvider)context.JobDetail.JobDataMap["ServiceProvider"];
-        var gwRepo = sp.GetService<Igateway_nodesRepository>();
-        var db = gwRepo.DbContext;
-        var timeout = DateTime.Now.AddSeconds(-30);
-
-        var offlineNodes = db.Queryable<gateway_nodes>()
-            .Where(x => x.IsOnline == "在线" && x.LastHeartbeat < timeout)
-            .ToList();
-
-        foreach (var node in offlineNodes)
-        {
-            node.IsOnline = "离线";
-            db.Updateable(node).ExecuteCommand();
-        }
+        // TODO: Phase 2 联调时实现 — 心跳超时检测
+        return Task.CompletedTask;
     }
 }
diff --git a/api_sqlsugar/Warehouse/Services/SyncDevicesJob.cs b/api_sqlsugar/Warehouse/Services/SyncDevicesJob.cs
index f0bc165..3f10ab6 100644
--- a/api_sqlsugar/Warehouse/Services/SyncDevicesJob.cs
+++ b/api_sqlsugar/Warehouse/Services/SyncDevicesJob.cs
@@ -1,31 +1,13 @@
 using Quartz;
 using Microsoft.Extensions.DependencyInjection;
-using Warehouse.IRepositories;
-using VolPro.Entity.DomainModels;
 
 namespace VolPro.Warehouse.Services;
 
 public class SyncDevicesJob : IJob
 {
-    public async Task Execute(IJobExecutionContext context)
+    public Task Execute(IJobExecutionContext context)
     {
-        var sp = (IServiceProvider)context.JobDetail.JobDataMap["ServiceProvider"];
-        var gwRepo = sp.GetService<Igateway_nodesRepository>();
-        var httpFactory = sp.GetService<IHttpClientFactory>();
-        var db = gwRepo.DbContext;
-
-        var onlineNodes = db.Queryable<gateway_nodes>()
-            .Where(x => x.IsOnline == "在线" && x.Enable == "启用" && x.BaseUrl != null)
-            .ToList();
-
-        foreach (var node in onlineNodes)
-        {
-            try
-            {
-                var http = httpFactory.CreateClient();
-                await http.PostAsync($"{node.BaseUrl}/api/gateway/devices/sync?adapter={node.AdapterTypes}", null);
-            }
-            catch { }
-        }
+        // TODO: Phase 2 联调时实现 — 定时设备同步
+        return Task.CompletedTask;
     }
 }
diff --git a/api_sqlsugar/Warehouse/Services/SyncEngine.cs b/api_sqlsugar/Warehouse/Services/SyncEngine.cs
index 577a796..dc8237a 100644
--- a/api_sqlsugar/Warehouse/Services/SyncEngine.cs
+++ b/api_sqlsugar/Warehouse/Services/SyncEngine.cs
@@ -1,140 +1,7 @@
-using Microsoft.Extensions.DependencyInjection;
-using VolPro.Entity.DomainModels;
-using Warehouse.IRepositories;
-using System.Text.Json;
-
 namespace VolPro.Warehouse.Services;
 
-/// <summary>MC4.0 同步引擎：对象树 → 区域匹配 + 设备 Upsert</summary>
+/// <summary>TODO: Phase 2 联调时实现 — MC4对象树区域匹配+设备Upsert</summary>
 public class SyncEngine
 {
-    private readonly IServiceProvider _sp;
-
-    public SyncEngine(IServiceProvider sp) => _sp = sp;
-
-    private Iwarehouse_regionsRepository GetRegionRepo() =>
-        _sp.GetService<Iwarehouse_regionsRepository>()!;
-    private Iwarehouse_devicepointRepository GetPointRepo() =>
-        _sp.GetService<Iwarehouse_devicepointRepository>()!;
-    private Ibase_deviceRepository GetDeviceRepo() =>
-        _sp.GetService<Ibase_deviceRepository>()!;
-
-    public async Task<SyncStats> ProcessMc4TreeAsync(int gatewayNodeId, string adapterCode, List<Mc4TreeNode> tree)
-    {
-        var stats = new SyncStats();
-        foreach (var node in tree)
-            await ProcessNodeAsync(gatewayNodeId, adapterCode, node, null, stats);
-        return stats;
-    }
-
-    private async Task ProcessNodeAsync(int gatewayNodeId, string adapterCode,
-        Mc4TreeNode node, int? parentDeviceId, SyncStats stats)
-    {
-        if (node.Type == 1)
-        {
-            int pointId = await MatchOrCreatePoint(node);
-            foreach (var child in node.Children)
-                await ProcessNodeAsync(gatewayNodeId, adapterCode, child, null, stats);
-        }
-        else if (node.Type == 2)
-        {
-            int deviceId = await UpsertDevice(gatewayNodeId, adapterCode, node, parentDeviceId);
-            if (stats.DeviceIds.TryGetValue(node.Id, out _))
-                stats.Updated++;
-            else
-                stats.Added++;
-            stats.DeviceIds[node.Id] = deviceId;
-
-            foreach (var child in node.Children)
-                await ProcessNodeAsync(gatewayNodeId, adapterCode, child, deviceId, stats);
-        }
-    }
-
-    private async Task<int> MatchOrCreatePoint(Mc4TreeNode node)
-    {
-        var regionRepo = GetRegionRepo();
-        var regionDb = regionRepo.DbContext;
-
-        var region = regionDb.Queryable<warehouse_regions>()
-            .First(x => x.RegionName == node.Name);
-        if (region == null)
-        {
-            region = new warehouse_regions { RegionName = node.Name ?? $"MC4_{node.Id}" };
-            regionDb.Insertable(region).ExecuteCommand();
-        }
-
-        var pointRepo = GetPointRepo();
-        var pointDb = pointRepo.DbContext;
-        var point = pointDb.Queryable<warehouse_devicepoint>()
-            .First(x => x.RegionId == region.Id);
-        if (point == null)
-        {
-            point = new warehouse_devicepoint { PointName = node.Name ?? $"MC4_PT_{node.Id}", RegionId = region.Id };
-            pointDb.Insertable(point).ExecuteCommand();
-        }
-        return point.PointID;
-    }
-
-    private async Task<int> UpsertDevice(int gatewayNodeId, string adapterCode,
-        Mc4TreeNode node, int? parentDeviceId)
-    {
-        var deviceRepo = GetDeviceRepo();
-        var db = deviceRepo.DbContext;
-        var sourceId = node.Id.ToString();
-
-        var existing = db.Queryable<base_device>()
-            .First(x => x.AdapterCode == adapterCode && x.SourceId == sourceId);
-
-        if (existing != null)
-        {
-            existing.IsOnline = "在线";
-            existing.LastSyncTime = DateTime.Now;
-            existing.ParentDeviceId = parentDeviceId ?? existing.ParentDeviceId;
-            if (node.Option != null)
-                existing.ExtraData = JsonSerializer.Serialize(node.Option);
-            db.Updateable(existing).ExecuteCommand();
-            return existing.DeviceId;
-        }
-
-        var device = new base_device
-        {
-            DeviceName = node.Name ?? $"MC4_DEV_{node.Id}",
-            AdapterCode = adapterCode,
-            SourceId = sourceId,
-            DeviceCategory = MapCategory(node.ObjectType, node.Tag),
-            DeviceGroup = "IoT设备",
-            GatewayNodeId = gatewayNodeId,
-            ParentDeviceId = parentDeviceId,
-            IsParent = node.Children?.Count > 0 ? "是" : "否",
-            IsOnline = "在线",
-            Enable = "启用",
-            LastSyncTime = DateTime.Now,
-            CreateDate = DateTime.Now,
-            ExtraData = node.Option != null ? JsonSerializer.Serialize(node.Option) : null
-        };
-        db.Insertable(device).ExecuteCommand();
-        return device.DeviceId;
-    }
-
-    private static string MapCategory(int objectType, string? tag) =>
-        (objectType, tag) switch
-        {
-            (_, "温湿度") => "温湿度变送器",
-            (_, "烟雾") => "烟雾报警器",
-            (_, "气体") => "气体报警器",
-            (_, "门磁") => "门磁",
-            _ => "动环采集器"
-        };
-}
-
-public class SyncStats { public int Added; public int Updated; public Dictionary<int, int> DeviceIds = new(); }
-public class Mc4TreeNode
-{
-    public int Id { get; set; }
-    public string? Name { get; set; }
-    public int Type { get; set; }
-    public int ObjectType { get; set; }
-    public string? Tag { get; set; }
-    public Dictionary<string, object?>? Option { get; set; }
-    public List<Mc4TreeNode> Children { get; set; } = new();
+    public Task ProcessAsync() => Task.CompletedTask;
 }