fix(ocean-booking): make customer optional through release

src/modules/ocean-bookings/pages/OceanBookingDetailView.vue

@@ -108,8 +108,8 @@ const formWritable = computed(() => canSave.value)
 const canDelete = computed(() => detail.value?.status === 'DRAFT' && access.can('platform:firstleg:ocean-booking:delete'))
 const canRelease = computed(() => detail.value?.status === 'DRAFT' && access.can('platform:firstleg:ocean-booking:release'))
 const canPrint = computed(() => detail.value?.status === 'RELEASED' && access.can('platform:firstleg:ocean-booking:list'))
-const canManageDocuments = computed(() => detail.value?.status === 'DRAFT' && Boolean(detail.value.customerId) && access.can('platform:firstleg:ocean-booking:edit'))
-const documentManageReason = computed(() => !access.can('platform:firstleg:ocean-booking:edit') ? '暂无订舱资料维护权限' : !detail.value?.customerId ? '请先选择客户并保存订舱草稿，再上传订舱资料' : '')
+const canManageDocuments = computed(() => detail.value?.status === 'DRAFT' && access.can('platform:firstleg:ocean-booking:edit'))
+const documentManageReason = computed(() => !access.can('platform:firstleg:ocean-booking:edit') ? '暂无订舱资料维护权限' : '')
 const workflowBusy = computed(() => saving.value || actionSaving.value)
 const releaseDialogOpen = ref(false)
 const printOpen = ref(false)
@@ -303,7 +303,7 @@ function releaseValidationError() {
   if (!form.data.departurePortCode?.trim() && !form.data.departurePortName?.trim()) return '放舱前请填写起运港代码或名称'
   if (!form.data.destinationPortCode?.trim() && !form.data.destinationPortName?.trim()) return '放舱前请填写目的港代码或名称'
   const requiredFields: Array<[unknown, string]> = [
-    [form.data.customerId, '客户'], [form.data.warehouseId, '装柜仓库'], [form.data.channelCode, '物流渠道'],
+    [form.data.warehouseId, '装柜仓库'], [form.data.channelCode, '物流渠道'],
     [form.data.billOfLadingNo, '提单号'], [form.data.vesselName, '船名'], [form.data.voyageNo, '航次'],
     [form.data.estimatedSailingAt, '预计开船时间'], [form.data.estimatedArrivalAt, '预计到港时间'],
     [form.data.serviceTerm, 'Service Term'], [form.data.freightTerm, 'Freight Term'],
@@ -396,7 +396,7 @@ onMounted(() => { void load(); void loadOptions() })
           <section class="booking-group" aria-label="基本信息">
             <h3>基本信息</h3><div class="booking-group__body booking-group__body--fields">
             <el-form-item label="订舱号"><el-input :model-value="detail?.bookingNo || '保存后生成'" disabled /></el-form-item>
-            <el-form-item label="客户（放舱前必填）"><el-select :model-value="form.data.customerId" filterable clearable placeholder="草稿可暂不选择" no-data-text="暂无可选客户" :loading="optionsLoading" style="width:100%" @update:model-value="selectCustomer"><el-option v-if="form.data.customerId && !selectableCustomers.some((customer) => String(customer.id) === String(form.data.customerId))" :label="form.data.customerName || '客户名称缺失'" :value="String(form.data.customerId)" /><el-option v-for="customer in selectableCustomers" :key="String(customer.id)" :label="customer.tenantName" :value="String(customer.id)" /></el-select></el-form-item>
+            <el-form-item label="客户（选填）"><el-select :model-value="form.data.customerId" filterable clearable placeholder="单客户可选择，多客户可留空" no-data-text="暂无可选客户" :loading="optionsLoading" style="width:100%" @update:model-value="selectCustomer"><el-option v-if="form.data.customerId && !selectableCustomers.some((customer) => String(customer.id) === String(form.data.customerId))" :label="form.data.customerName || '客户名称缺失'" :value="String(form.data.customerId)" /><el-option v-for="customer in selectableCustomers" :key="String(customer.id)" :label="customer.tenantName" :value="String(customer.id)" /></el-select></el-form-item>
             <el-form-item label="状态"><el-input :model-value="detail ? statusLabel(detail.status) : '保存后为草稿'" disabled /></el-form-item>
             <el-form-item label="装柜仓库" prop="warehouseId"><el-select :model-value="form.data.warehouseId" filterable placeholder="请选择装柜仓库" :loading="optionsLoading" style="width:100%" @update:model-value="selectWarehouse"><el-option v-for="warehouse in warehouses" :key="String(warehouse.id)" :label="warehouse.warehouseName" :value="String(warehouse.id)" /></el-select></el-form-item>
             <el-form-item label="物流渠道" prop="channelCode"><el-select :model-value="form.data.channelCode" filterable :disabled="!formWritable || !form.data.warehouseId || channelsLoading || !!channelsError || channelUnavailable" :loading="channelsLoading" :placeholder="form.data.warehouseId ? '请选择物流渠道' : '请先选择装柜仓库'" no-data-text="该仓库暂无有效物流渠道" style="width:100%" @update:model-value="selectChannel(String($event || ''))"><el-option v-if="form.data.channelCode && !channels.some((channel) => channel.channelCode === form.data.channelCode)" :label="selectedChannelName || form.data.channelCode" :value="form.data.channelCode" /><el-option v-for="channel in channels" :key="channel.channelCode" :label="channel.channelName" :value="channel.channelCode"><span>{{ channel.channelName }}</span><small class="channel-code">{{ channel.channelCode }}</small></el-option></el-select><div v-if="channelsError" class="field-error"><span>{{ channelsError }}</span><el-button link type="primary" :loading="channelsLoading" @click="form.data.warehouseId && loadChannels(form.data.warehouseId)">重新加载</el-button></div><div v-else-if="channelUnavailable" class="field-hint">该仓库暂无有效物流渠道，请更换仓库或联系管理员。</div></el-form-item>