新增MES库区管理功能，包含免密接口、数据处理逻辑及相关控制器、服务和实体的实现。支持库区的增删改查操作，优化用户体验并增强系统的实时数据同步能力。

yy-admin-master/YY.Admin/ViewModels/RawMaterialEntry/WarehouseAreaPickerDialogViewModel.cs

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+using HandyControl.Tools.Extension;
+using System.Collections.ObjectModel;
+using YY.Admin.Core;
+using YY.Admin.Core.Entity;
+using YY.Admin.Core.Services;
+
+namespace YY.Admin.ViewModels.RawMaterialEntry;
+
+/// <summary>
+/// 库区选择弹窗 ViewModel。
+/// 用于「拆码明细 → 库位」字段：点击库位输入框时弹出本对话框，支持按名称/编码搜索，单选确认。
+/// </summary>
+public class WarehouseAreaPickerDialogViewModel : BaseViewModel, IDialogResultable<bool>
+{
+    private readonly IWarehouseAreaService _warehouseAreaService;
+
+    private string? _searchAreaName;
+    public string? SearchAreaName
+    {
+        get => _searchAreaName;
+        set => SetProperty(ref _searchAreaName, value);
+    }
+
+    private string? _searchAreaCode;
+    public string? SearchAreaCode
+    {
+        get => _searchAreaCode;
+        set => SetProperty(ref _searchAreaCode, value);
+    }
+
+    public ObservableCollection<MesXslWarehouseArea> Records { get; } = new();
+
+    private MesXslWarehouseArea? _selectedRecord;
+    public MesXslWarehouseArea? SelectedRecord
+    {
+        get => _selectedRecord;
+        set
+        {
+            SetProperty(ref _selectedRecord, value);
+            ConfirmCommand.RaiseCanExecuteChanged();
+            RaisePropertyChanged(nameof(SelectedRecordDisplay));
+            RaisePropertyChanged(nameof(HasSelectedRecord));
+        }
+    }
+
+    public string SelectedRecordDisplay => _selectedRecord != null
+        ? $"[{_selectedRecord.AreaCode}]  {_selectedRecord.AreaName}  · 仓库：{_selectedRecord.WarehouseName ?? "-"}"
+        : "选中库区后点击「确认选择」";
+
+    public bool HasSelectedRecord => _selectedRecord != null;
+
+    private bool _result;
+    public bool Result
+    {
+        get => _result;
+        set => SetProperty(ref _result, value);
+    }
+
+    public Action? CloseAction { get; set; }
+
+    public DelegateCommand SearchCommand { get; }
+    public DelegateCommand ConfirmCommand { get; }
+    public DelegateCommand CancelCommand { get; }
+
+    public WarehouseAreaPickerDialogViewModel(
+        IWarehouseAreaService warehouseAreaService,
+        IContainerExtension container,
+        IRegionManager regionManager) : base(container, regionManager)
+    {
+        _warehouseAreaService = warehouseAreaService;
+        SearchCommand = new DelegateCommand(async () => await LoadAsync());
+        ConfirmCommand = new DelegateCommand(Confirm, () => SelectedRecord != null);
+        CancelCommand = new DelegateCommand(() => CloseAction?.Invoke());
+        _ = LoadAsync();
+    }
+
+    /// <summary>
+    /// 可由外部传入「当前已选库区名称」用于打开后高亮预选。
+    /// </summary>
+    public void Initialize(string? currentAreaName)
+    {
+        if (!string.IsNullOrWhiteSpace(currentAreaName))
+        {
+            SearchAreaName = currentAreaName.Trim();
+            _ = LoadAsync();
+        }
+    }
+
+    private async Task LoadAsync()
+    {
+        try
+        {
+            IsLoading = true;
+            var result = await _warehouseAreaService.PageAsync(
+                1,
+                500,
+                areaCode: SearchAreaCode?.Trim(),
+                areaName: SearchAreaName?.Trim(),
+                warehouseId: null,
+                status: "0");
+
+            Records.Clear();
+            foreach (var record in result.Records)
+            {
+                Records.Add(record);
+            }
+
+            if (!string.IsNullOrWhiteSpace(SearchAreaName))
+            {
+                SelectedRecord = Records.FirstOrDefault(x =>
+                    string.Equals(x.AreaName, SearchAreaName, StringComparison.OrdinalIgnoreCase));
+            }
+        }
+        catch
+        {
+            Records.Clear();
+        }
+        finally
+        {
+            IsLoading = false;
+        }
+    }
+
+    private void Confirm()
+    {
+        if (SelectedRecord == null)
+        {
+            return;
+        }
+        Result = true;
+        CloseAction?.Invoke();
+    }
+}