feat: 完成附件存储重构与磁盘监控功能，同步物料档案与入库单规则更新

1.  新增跨平台磁盘空间监控能力，每日7点自动检测附件目录剩余空间，触发阈值告警
2.  重构附件存储方案为年/月/日/文件类型分层结构，统一MES与WMS的附件管理逻辑
3.  对齐物料档案与入库单的质量状态校验规则，仅合格品计入库存与出库
4.  实现入库单作废功能与区域库位的多级父子结构管理
5.  删除物料简称字段，补充规格型号与单位必填项，统一系统数据口径
6.  新增附件中心与磁盘状态查询接口，完善权限控制与操作日志

bj_power_mes/ent/migrate/schema.go

@@ -108,6 +108,15 @@ var (
 		{Name: "file_size", Type: field.TypeInt, Default: 0},
 		{Name: "uploader", Type: field.TypeString, Size: 64, Default: ""},
 		{Name: "created_at", Type: field.TypeTime},
+		{Name: "file_type", Type: field.TypeString, Size: 32, Default: "OTHER"},
+		{Name: "file_ext", Type: field.TypeString, Size: 16, Default: ""},
+		{Name: "file_md5", Type: field.TypeString, Size: 64, Default: ""},
+		{Name: "mime_type", Type: field.TypeString, Size: 128, Default: ""},
+		{Name: "archived", Type: field.TypeBool, Default: false},
+		{Name: "archived_at", Type: field.TypeInt64, Default: 0},
+		{Name: "deleted", Type: field.TypeBool, Default: false},
+		{Name: "deleted_at", Type: field.TypeInt64, Default: 0},
+		{Name: "deleted_by", Type: field.TypeString, Size: 64, Default: ""},
 	}
 	// AttachmentTable holds the schema information for the "attachment" table.
 	AttachmentTable = &schema.Table{
@@ -125,6 +134,16 @@ var (
 				Unique:  false,
 				Columns: []*schema.Column{AttachmentColumns[7]},
 			},
+			{
+				Name:    "attachment_file_type",
+				Unique:  false,
+				Columns: []*schema.Column{AttachmentColumns[8]},
+			},
+			{
+				Name:    "attachment_file_md5",
+				Unique:  false,
+				Columns: []*schema.Column{AttachmentColumns[10]},
+			},
 		},
 	}
 	// WorkOrderBomColumns holds the columns for the "work_order_bom" table.
@@ -566,7 +585,8 @@ var (
 		{Name: "name", Type: field.TypeString, Size: 50},
 		{Name: "code", Type: field.TypeString, Size: 20},
 		{Name: "category", Type: field.TypeString, Size: 30, Default: ""},
-		{Name: "remark", Type: field.TypeString, Size: 255, Default: ""},
+		{Name: "spec", Type: field.TypeString, Size: 128, Default: ""},
+		{Name: "unit", Type: field.TypeString, Size: 32, Default: ""},
 		{Name: "is_active", Type: field.TypeBool, Default: true},
 		{Name: "created_at", Type: field.TypeTime},
 		{Name: "updated_at", Type: field.TypeTime, Nullable: true},
@@ -585,7 +605,7 @@ var (
 			{
 				Name:    "producttype_is_active",
 				Unique:  false,
-				Columns: []*schema.Column{ProductTypeColumns[5]},
+				Columns: []*schema.Column{ProductTypeColumns[6]},
 			},
 		},
 	}