接单工单新增流转记录（订单详情时间线）

- 后端：新增工单事件查询接口（管理端 + 打手端），事件带操作人显示名（管理员用户名 / 打手昵称 / 系统）
- 补齐关键节点事件：抢单接手（grabbed）、验收通过（accepted 带操作人）
- 管理端/打手端事件写入操作人（admin session username 贯通至事件）
- 前端：订单详情新增「流转记录」时间线，按订单生命周期节点展示（创建/发单/接手/资料/验收/问题/取消），时间+操作人+状态流转

apps/frontend/src/services/admin/worker-platform.ts

@@ -3,6 +3,7 @@ import type {
   UploadedFile,
   WorkCategory,
   WorkOrder,
+  WorkOrderEvent,
   WorkOrderShare,
   WorkProductRule,
   WorkerFinanceConfig,
@@ -200,6 +201,12 @@ export function fetchAdminWorkOrders(params?: Record<string, unknown>) {
   return apiGet<WorkerListResponse<WorkOrder>>('/api/v1/admin/worker-platform/orders', params)
 }
 
+export function fetchAdminWorkOrderEvents(workOrderId: number) {
+  return apiGet<{ items: WorkOrderEvent[] }>(
+    `/api/v1/admin/worker-platform/orders/${workOrderId}/events`,
+  )
+}
+
 export function createAdminMockWorkOrder(payload: {
   platformOrderId?: string
   productName?: string

apps/frontend/src/services/worker.ts

@@ -3,6 +3,7 @@ import type {
   CollectLookupResponse,
   UploadedFile,
   WorkOrder,
+  WorkOrderEvent,
   WorkOrderShare,
   WorkerFinanceRequest,
   WorkerHallOrdersResponse,
@@ -123,6 +124,10 @@ export function fetchWorkerMyOrders(params?: Record<string, unknown>) {
   return apiGet<WorkerListResponse<WorkOrder>>('/api/v1/worker/orders', params)
 }
 
+export function fetchWorkerMyOrderEvents(workOrderId: number) {
+  return apiGet<{ items: WorkOrderEvent[] }>(`/api/v1/worker/orders/${workOrderId}/events`)
+}
+
 export function saveWorkerOrderNote(workOrderId: number, note: string) {
   return apiPost<{ order: WorkOrder }>(`/api/v1/worker/orders/${workOrderId}/note`, { note })
 }