打手端流转记录改为后台配置开关控制，默认关闭

- 新增 WORKER_ORDER_TIMELINE_VISIBLE 配置（默认 false）：打手端订单详情不展示流转记录
- 打手端 events 接口按开关拦截（关闭时 403）
- profile 接口下发 orderTimelineVisible 供前端判断
- 管理端流转记录不受影响，始终可见

apps/backend/src/services/worker-platform/worker-service.ts

@@ -528,6 +528,7 @@ export async function getWorkerProfile(session: WorkerSession) {
     },
     levelProgress,
     financeConfig,
+    orderTimelineVisible: runtimeConfig.worker.orderTimelineVisible === true,
   }
 }
 
@@ -1037,6 +1038,12 @@ export async function listWorkerMyOrders(query: JsonObject = {}, session: Worker
 
 export async function getWorkerMyOrderEvents(workOrderId: number | string, session: WorkerSession) {
   requireActiveWorkerSession(session)
+  if (runtimeConfig.worker.orderTimelineVisible !== true) {
+    throw createHttpError('流转记录暂未对打手开放', {
+      statusCode: 403,
+      errorCode: 'work_order_events_worker_disabled',
+    })
+  }
   const workOrder = await getRequiredWorkOrder(workOrderId)
   const workerId = Number(session.workerId)
   const sharingShare = await getWorkOrderShare(workOrder.id, workerId)