feat(wm-dispatch): #69 调度指令全生命周期管理
- 增强 DispatchCommand 实体,支持全生命周期状态流转
- 新增 CommandExecutionRecord(执行记录)、CommandTracking(过程追踪)实体
- 新增 DTO: CommandCreateRequest, CommandQueryRequest, ExecutionRequest, CommandStatVO
- 新增 Mapper: CommandExecutionRecordMapper, CommandTrackingMapper, 增强 DispatchCommandMapper(分页+统计)
- 新增 Service:
- CommandLifecycleService: DRAFT→ISSUED→RECEIVED→EXECUTING→COMPLETED/REJECTED/CANCELLED 全流程
- CommandLedgerService: 指令台账(多维度查询/统计/导出)
- CommandTrackingService: 全过程追踪时间线
- 新增 DispatchCommandController: 18个 RESTful 端点 (/api/dispatch/command/*)
- DDL: V2__command_lifecycle.sql(3张表 + 索引)
- 单元测试: CommandLifecycleServiceTest(13个), CommandTrackingServiceTest(4个)
- 同步修复 DispatchBizService/DispatchController 适配新实体字段