docs(business): 生成业务契约文档并重构MES客户端代码

- 创建案例.md文档，包含业务场景清单、业务流程、案例和回归测试三份完整文档
- WMS库房管理系统涵盖入库、出库、库存、检验、盘点等24个业务场景
- MES产线控制系统包含工单、排产、BOM、备料、质检、追溯等23个业务场景
- 工位终端系统支持上线、报工、下线、领料、巡检等15个现场作业场景
- 主链路从合同到成品入库，异常链路处理不合格、数量不符、退料等情况
- 删除MES客户端中的ScanRecord相关代码，精简客户端结构
- 更新客户端初始化逻辑，移除扫描记录相关的依赖注入配置

bj_power_mes/ent/hook/hook.go

@@ -224,18 +224,6 @@ func (f RoleFunc) Mutate(ctx context.Context, m ent.Mutation) (ent.Value, error)
 	return nil, fmt.Errorf("unexpected mutation type %T. expect *ent.RoleMutation", m)
 }
 
-// The ScanRecordFunc type is an adapter to allow the use of ordinary
-// function as ScanRecord mutator.
-type ScanRecordFunc func(context.Context, *ent.ScanRecordMutation) (ent.Value, error)
-
-// Mutate calls f(ctx, m).
-func (f ScanRecordFunc) Mutate(ctx context.Context, m ent.Mutation) (ent.Value, error) {
-	if mv, ok := m.(*ent.ScanRecordMutation); ok {
-		return f(ctx, mv)
-	}
-	return nil, fmt.Errorf("unexpected mutation type %T. expect *ent.ScanRecordMutation", m)
-}
-
 // The SemiFlowFunc type is an adapter to allow the use of ordinary
 // function as SemiFlow mutator.
 type SemiFlowFunc func(context.Context, *ent.SemiFlowMutation) (ent.Value, error)