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_wms/internal/handler/rbac_admin.go

@@ -44,10 +44,12 @@ var seedPermissions = []seedPerm{
 	{"eventlog:manage", "操作日志", "MENU", "/event-log", "Clock", 130, ""},
 	{"agv:manage", "AGV配送", "MENU", "/agv", "Van", 135, ""},
 	{"dock:manage", "接驳台维护", "MENU", "/dock", "Aim", 136, ""},
+	{"attachment:view", "附件中心", "MENU", "/attachment", "Folder", 138, ""},
 	// ===== 按钮权限 =====
 	{"inbound:create", "批量入库", "BUTTON", "", "", 200, "inbound:view"},
 	{"inbound:import", "Excel导入", "BUTTON", "", "", 201, "inbound:view"},
 	{"inbound:export", "导出", "BUTTON", "", "", 202, "inbound:view"},
+	{"inbound:void", "作废入库单", "BUTTON", "", "", 203, "inbound:view"},
 	{"outbound:create", "发起出库", "BUTTON", "", "", 210, "outbound:view"},
 	{"outbound:export", "导出", "BUTTON", "", "", 211, "outbound:view"},
 	{"inspection:create", "录入检验", "BUTTON", "", "", 220, "inspection:view"},
@@ -74,6 +76,7 @@ var seedPermissions = []seedPerm{
 	{"dock:add", "新增接驳台", "BUTTON", "", "", 290, "dock:manage"},
 	{"dock:edit", "编辑接驳台", "BUTTON", "", "", 291, "dock:manage"},
 	{"dock:delete", "删除接驳台", "BUTTON", "", "", 292, "dock:manage"},
+	{"attachment:manage", "归档清理", "BUTTON", "", "", 295, "attachment:view"},
 	// 注：导出权限已按菜单拆分（inbound/outbound/inspection/inventory:export），
 	// 不再使用全局 *:export，以更精细地控制“谁能在哪个菜单导出”。
 }