fix(fleet): preserve drafts before dialog close and respect dashboard permissions

src/modules/overseas-master-data/pages/CapacityOffersView.vue

@@ -91,7 +91,7 @@ watch([tab, page, size], load); onMounted(load); onBeforeUnmount(() => { sequenc
     <template #identity="{ row }"><div>{{ row.offerNo }}</div><div>{{ row.tripNo }}</div></template>
     <template #destinations="{ row }"><div v-for="stop in (row as CapacityOffer).destinations" :key="stop.destinationKey">{{ stop.name }} · {{ row.capacityKnown ? loadText(stop.remaining) : '待调度核对' }}</div></template>
     <template #times="{ row }"><div>{{ offerTime(row.plannedDepartureAt) }}</div><div>截止 {{ offerTime(row.cutoffAt) }}</div></template>
-    <template #loads="{ row }"><div v-for="segment in (row as CapacityOffer).segments" :key="segment.fromIndex">{{ segment.fromName }} → {{ segment.toName }}<br>计划 {{ loadText(segment.planned) }}<br>预留 {{ loadText(segment.reserved) }}</div></template>
+    <template #loads="{ row }"><span v-if="!row.segments.length">{{ row.capacityKnown ? '—' : '待调度核对' }}</span><div v-for="segment in (row as CapacityOffer).segments" :key="segment.fromIndex">{{ segment.fromName }} → {{ segment.toName }}<br>计划 {{ loadText(segment.planned) }}<br>预留 {{ loadText(segment.reserved) }}</div></template>
     <template #status="{ row }">{{ offerStatusLabels[(row as CapacityOffer).status] }} · {{ row.canConfirm ? '可确认承运' : '暂不可确认' }}<div v-if="row.blockReason">{{ row.blockReason }}</div></template>
     <template #contact="{ row }"><div>{{ row.contactName || '—' }}</div><div>{{ row.contactPhone || '—' }}</div></template>
   </DataTable>