引入WMS仓储主数据与关系管理全流程能力

后端实现基于EF Core的库区/库位/容器/物料/关系/历史等模型、服务与RESTful接口，支持多数据库Provider。前端新增类型、API与聚合页面，支持主数据及容器位置/物料关系的增删改查、绑定/解绑、装料/卸料、历史追溯。完善权限、菜单与文档，平台具备完整WMS能力。

MiGu.Server/Persistence/EntityBase.cs

@@ -0,0 +1,17 @@
+namespace MiGu.Server.Persistence;
+
+public abstract class EntityBase
+{
+    public Guid Id { get; set; } = Guid.NewGuid();
+    public DateTimeOffset CreatedAt { get; set; }
+    public DateTimeOffset UpdatedAt { get; set; }
+    public bool IsDeleted { get; set; }
+    public DateTimeOffset? DeletedAt { get; set; }
+    public string DeletedBy { get; set; } = "";
+    public long Version { get; set; }
+    public bool IsLock { get; set; }
+    public string CreatedBy { get; set; } = "";
+    public string UpdatedBy { get; set; } = "";
+    public string Remark { get; set; } = "";
+    public string Extend { get; set; } = "{}";
+}