fix(admin): align loading history and pallet lookup

src/modules/loading-lists/components/LoadingListDetailDrawer.vue

@@ -9,7 +9,7 @@ import StatusBadge from '@/shared/components/StatusBadge.vue'
 import ContainerFeesPanel from './ContainerFeesPanel.vue'
 import { loadingListStatusLabel } from '../status'
 import type { ApiErrorDetails } from '@/shared/api/http'
-import type { LoadingDetail, LoadingItem, LoadingListMode, LoadingListSummary, PreloadSummary } from '../api/platformLoadingLists'
+import type { LoadingDetail, LoadingHistory, LoadingItem, LoadingListMode, LoadingListSummary, PreloadSummary } from '../api/platformLoadingLists'
 
 const props = defineProps<{
   mode: LoadingListMode
@@ -56,6 +56,44 @@ const summary = computed<LoadingListSummary | null>(() => props.detail?.summary
 const preloadSummary = computed(() => props.mode === 'preload' ? summary.value as PreloadSummary | null : null)
 const canEditItemRemark = computed(() => props.mode === 'preload' && props.canEdit && ['EDITING', 'LOADING'].includes(summary.value?.status || ''))
 const itemColumns = computed(() => canEditItemRemark.value ? [actionColumn, ...baseItemColumns] : baseItemColumns)
+const volatileSnapshotFields = new Set(['requestHash', 'version', 'updatedAt', 'operatorId', 'operatorName', 'occurredAt'])
+
+function stableSnapshotValue(value: unknown): unknown {
+  if (Array.isArray(value)) return value.map(stableSnapshotValue)
+  if (!value || typeof value !== 'object') return value
+  return Object.fromEntries(Object.entries(value as Record<string, unknown>)
+    .filter(([key]) => !volatileSnapshotFields.has(key))
+    .sort(([left], [right]) => left.localeCompare(right))
+    .map(([key, nested]) => [key, stableSnapshotValue(nested)]))
+}
+
+function normalizedSnapshot(value: string | null) {
+  if (!value) return null
+  try { return stableSnapshotValue(JSON.parse(value) as unknown) } catch { return value }
+}
+
+function isPureStatusNoop(history: LoadingHistory) {
+  return history.actionType === 'STATUS_UPDATE'
+    && history.fromStatus === history.toStatus
+    && JSON.stringify(normalizedSnapshot(history.beforeSnapshot)) === JSON.stringify(normalizedSnapshot(history.afterSnapshot))
+}
+
+function historyEventKey(history: LoadingHistory) {
+  if (history.operationId) return `operation:${history.operationId}`
+  return history.historyId ? `history:${history.historyId}` : null
+}
+
+const visibleHistories = computed(() => {
+  const seen = new Set<string>()
+  return (props.detail?.histories || []).filter((history) => {
+    if (isPureStatusNoop(history)) return false
+    const eventKey = historyEventKey(history)
+    if (!eventKey) return true
+    if (seen.has(eventKey)) return false
+    seen.add(eventKey)
+    return true
+  })
+})
 const blockingReasonLabels: Record<string, string> = {
   PRELOAD_NOT_PUSHED: '尚未推送预装清单',
   LOADING_PLAN_NOT_EDITING: '装柜计划已不在可确认的编辑状态',
@@ -188,10 +226,10 @@ function formatNumber(value?: number | null, digits = 3) {
       <ContainerFeesPanel :plan-id="summary.planId" :container-booking-id="summary.containerBookingId" :customers="feeCustomers" :business-references="feeBusinessReferences" />
 
       <section class="history-section" aria-label="操作历史">
-        <header><h2>操作历史</h2><span>{{ detail.histories.length }} 条</span></header>
-        <el-empty v-if="detail.histories.length === 0" description="暂无操作历史" :image-size="72" />
+        <header><h2>操作历史</h2><span>{{ visibleHistories.length }} 条</span></header>
+        <el-empty v-if="visibleHistories.length === 0" description="暂无操作历史" :image-size="72" />
         <el-timeline v-else>
-          <el-timeline-item v-for="history in detail.histories" :key="history.historyId" :timestamp="formatDateTime(history.occurredAt)" placement="top">
+          <el-timeline-item v-for="history in visibleHistories" :key="historyEventKey(history) || history.historyId" :timestamp="formatDateTime(history.occurredAt)" placement="top">
             <div class="history-entry">
               <strong>{{ actionLabel(history.actionType) }}</strong>
               <span v-if="history.fromStatus || history.toStatus">{{ loadingListStatusLabel(history.fromStatus) }} → {{ loadingListStatusLabel(history.toStatus) }}</span>