移除历史状态归一化及相关遗留逻辑

- 移除 LegacyStatusNormalizationMigrator，仅保留 AreaLayoutModeDefaultMigrator
- 删除 WmsDispatchStatus 枚举、常量和全局 using
- 统一所有 DbContext 注入为 MiGuDbContext，移除 PlatformDbContext
- 服务实体操作统一用 IEditableRepository<T>，移除本地实现
- 移除 WmsService 的 MigrateLegacyAsync 方法
- 精简接口模型，移除部分字段和请求体
- 前端保存容器时 status 字段取自已有数据，移除写死默认值
- 更新文档，去除旧说明，统一数据库初始化流程

MiGu.Server/Wms/WmsModels.cs

@@ -20,7 +20,7 @@ public sealed record ContainerMaterialSnapshot(
 public abstract record CommonRequest(Guid? Id, long? Version, bool IsLock, string Remark, string Extend);
 
 public sealed record MasterDataRequest(
-    Guid? Id, long? Version, string Code, string Name, string Type, string Status, bool Enabled, int SortOrder,
+    Guid? Id, long? Version, string Code, string Name, string Type, bool Enabled, int SortOrder,
     bool IsLock, string Remark, string Extend) : CommonRequest(Id, Version, IsLock, Remark, Extend);
 
 public sealed record AreaRequest(
@@ -57,8 +57,3 @@ public sealed record ContainerLocationRequest(
 public sealed record BindMaterialRequest(
     Guid? Id, long? Version, Guid ContainerId, Guid MaterialId, string Source, string Reason,
     bool IsLock, string Remark, string Extend) : CommonRequest(Id, Version, IsLock, Remark, Extend);
-
-public sealed record ContainerMaterialRequest(
-    Guid? Id, long? Version, Guid ContainerId, Guid MaterialId, decimal Quantity, string BatchNo, string SerialNo,
-    string Status, DateTimeOffset? LoadedAt, DateTimeOffset? UnloadedAt, string Source, string Reason,
-    bool IsLock, string Remark, string Extend) : CommonRequest(Id, Version, IsLock, Remark, Extend);