diff --git a/src/api/fulfillment.js b/src/api/fulfillment.js
index a8b4f03..82cb71a 100644
--- a/src/api/fulfillment.js
+++ b/src/api/fulfillment.js
@@ -1,4 +1,4 @@
-import { overseasRequest } from './overseas.js'
+import { overseasRequest, overseasUpload, overseasDownload } from './overseas.js'
 
 const DISPATCH_BASE = '/pda/v1/last-leg/dispatches'
 const OUTBOUND_BASE = '/pda/v1/last-leg/outbound-tasks'
@@ -175,6 +175,11 @@ export async function resolveCargoDiscardPallet(palletNo) {
 	return normalizeCargoDiscardTask(await overseasRequest('POST', `${CARGO_DISCARD_BASE}/resolve`, { palletNo }))
 }
 
-export async function confirmCargoDiscard(discardNo, palletNo, lines) {
-	return normalizeCargoDiscardTask(await overseasRequest('POST', `${CARGO_DISCARD_BASE}/${encoded(discardNo)}/pallets/${encoded(palletNo)}/confirm`, { lines }))
+export async function confirmCargoDiscard(discardNo, palletNo, lines, photoFileIds) {
+	return normalizeCargoDiscardTask(await overseasRequest('POST', `${CARGO_DISCARD_BASE}/${encoded(discardNo)}/pallets/${encoded(palletNo)}/confirm`, { lines, photoFileIds }))
 }
+
+const discardPhotoPath = (discardNo, palletNo) => `${CARGO_DISCARD_BASE}/${encoded(discardNo)}/pallets/${encoded(palletNo)}/photos/files`
+export const listCargoDiscardPhotos = (discardNo, palletNo) => overseasRequest('GET', discardPhotoPath(discardNo, palletNo))
+export const uploadCargoDiscardPhoto = (discardNo, palletNo, filePath) => overseasUpload(discardPhotoPath(discardNo, palletNo), filePath)
+export const downloadCargoDiscardPhoto = (discardNo, palletNo, fileId) => overseasDownload(`${discardPhotoPath(discardNo, palletNo)}/${encoded(fileId)}/download`, { expectedContentTypePrefix: 'image/' })
diff --git a/src/api/return-packing.js b/src/api/return-packing.js
index 8b3340d..40197a4 100644
--- a/src/api/return-packing.js
+++ b/src/api/return-packing.js
@@ -75,7 +75,8 @@ export async function completePackingPlan(planNo, request) {
 }
 
 export function normalizePackingPlan(value = {}) {
-	return { planNo: String(value.planNo || ''), customerId: String(value.customerId || ''), returnNos: Array.isArray(value.returnNos) ? value.returnNos.map(String) : [], sourceCartonMarks: Array.isArray(value.sourceCartonMarks) ? value.sourceCartonMarks.map(String) : [], sources: Array.isArray(value.sources) ? value.sources : [], mode: String(value.mode || ''), status: String(value.status || ''), boxes: Array.isArray(value.boxes) ? value.boxes : [], remark: String(value.remark || '') }
+	value = { ...value, completionCartons: Array.isArray(value.completionCartons) ? value.completionCartons.map(normalizeReturnLabel) : [], transfers: Array.isArray(value.transfers) ? value.transfers : [], completedAt: value.completedAt || null }
+	return { completionCartons: value.completionCartons, transfers: value.transfers, completedAt: value.completedAt, planNo: String(value.planNo || ''), customerId: String(value.customerId || ''), returnNos: Array.isArray(value.returnNos) ? value.returnNos.map(String) : [], sourceCartonMarks: Array.isArray(value.sourceCartonMarks) ? value.sourceCartonMarks.map(String) : [], sources: Array.isArray(value.sources) ? value.sources : [], mode: String(value.mode || ''), status: String(value.status || ''), boxes: Array.isArray(value.boxes) ? value.boxes : [], remark: String(value.remark || '') }
 }
 
 export async function getPackingPlan(planNo) {
diff --git a/src/components/LocalPackingAcceptance.vue b/src/components/LocalPackingAcceptance.vue
new file mode 100644
index 0000000..cbead0c
--- /dev/null
+++ b/src/components/LocalPackingAcceptance.vue
@@ -0,0 +1,6 @@
+<template><view class="work-card"><text>本地合箱接口验收</text><textarea aria-label="验收请求 JSON" v-model="request" style="height:160px;width:100%;border:1px solid #aaa"/><button @tap="run">执行 PDA 验收请求</button><text id="acceptance-result" style="white-space:pre-wrap;user-select:text">{{ result }}</text></view></template>
+<script>
+import { overseasRequest } from '@/api/overseas.js'
+export default {data(){return {request:'',result:''}},methods:{async run(){this.result='执行中';try{const input=JSON.parse(this.request);const results=[];for(const item of Array.isArray(input)?input:[input])results.push(await overseasRequest(item.method||'GET',item.path,item.data));this.result=JSON.stringify(results,null,2)}catch(e){this.result=JSON.stringify({error:e.message,code:e.code},null,2)}}}}
+</script>
+
diff --git a/src/components/ReturnBoxMergeWork.vue b/src/components/ReturnBoxMergeWork.vue
index b6f519f..2013627 100644
--- a/src/components/ReturnBoxMergeWork.vue
+++ b/src/components/ReturnBoxMergeWork.vue
@@ -8,7 +8,17 @@
       <text class="hint">{{ mode === 'NEW' ? '从下方来源箱选择 SKU 和扣除数量，完成后生成新箱唛。' : '扫描来源箱，再扫描另一只箱作为目标；目标箱原有库存不扣除。' }}</text>
       <template v-if="mode">
       <ScanTargetInput name="source" v-model="sourceCode" label="来源箱唛" placeholder="扫描来源箱唛" :active="active === 'source'" @activate="active = 'source'" @submit="scanSource" />
-      <button class="secondary" :disabled="busy || !mode || !sourceCode.trim()" @tap="scanSource(sourceCode)">{{ mode === 'EXISTING' && sources.length ? '确认更换来源箱' : '确认来源箱' }}</button>
+      <button class="secondary" :disabled="busy || !mode || !sourceCode.trim()" @tap="scanSource(sourceCode)">{{ !plan && mode === 'EXISTING' && sources.length ? '确认更换来源箱' : '确认来源箱' }}</button>
+      <view v-if="plan" class="plan-boxes section-gap">
+        <text class="card-title">计划需扫描箱子</text>
+        <view v-for="box in plannedSourceRows" :key="box.cartonMark" class="plan-box">
+          <text class="business-code">{{ box.cartonMark }} · {{ box.participation === 'FULL' ? '整箱' : box.participation === 'PARTIAL' ? '部分' : '计划来源' }}</text>
+          <text class="meta-line">来源退货单：{{ box.sourceReturnNo || '—' }}</text>
+          <text v-for="item in box.items || []" :key="item.skuCode" class="meta-line">{{ item.skuCode }} · {{ item.quantity }} 件</text>
+          <text v-for="item in box.originalItems || []" :key="'original-' + item.skuCode" class="meta-line">{{ item.skuCode }} · 原有 {{ item.quantity }} 件 · 计划后剩余 {{ target?.cartonMark === box.cartonMark ? item.quantity : Math.max(0, item.quantity - (box.items || []).filter(row => row.skuCode === item.skuCode).reduce((sum, row) => sum + row.quantity, 0)) }} 件</text>
+          <text class="hint">{{ target?.cartonMark === box.cartonMark ? '目标箱 · 保留原有库存' : sources.some(source => source.cartonMark === box.cartonMark) ? '已扫描确认' : '待扫描' }}</text>
+        </view>
+      </view>
       <view v-if="mode === 'EXISTING'" class="confirmed-sources">
         <view v-for="box in sources" :key="box.cartonMark" class="item-card section-gap">
           <view class="row-head"><text class="business-code">{{ box.cartonMark }}</text><button class="link-button" :disabled="busy" @tap="active = 'source'">更换来源箱</button></view>
@@ -26,18 +36,10 @@
         <view v-if="target" class="item-card section-gap"><text class="business-code">{{ target.cartonMark }}</text><text v-for="item in target.items" :key="item.skuCode" class="meta-line">{{ item.skuCode }} · 原有 {{ item.quantity }} 件（不扣除）</text></view>
       </template>
       <template v-else><view class="dimensions"><label v-for="field in fields" :key="field.key"><text>{{ field.label }}</text><input class="small-input" type="digit" v-model="dimensions[field.key]" placeholder="请输入" /></label></view><text class="hint">体积：{{ volume }} m³</text></template>
-      <view v-if="mode === 'EXISTING' && plan" class="plan-boxes section-gap">
-        <text class="card-title">计划箱子明细</text>
-        <view v-for="box in (plan.sources || []).filter(box => !sources.some(source => source.cartonMark === box.cartonMark))" :key="box.cartonMark" class="plan-box">
-          <text class="business-code">{{ box.cartonMark }}</text>
-          <text v-for="item in box.items || []" :key="item.skuCode" class="meta-line">{{ item.skuCode }} · {{ item.quantity }} 件</text>
-          <text class="hint">{{ target?.cartonMark === box.cartonMark ? '目标箱 · 保留原有库存' : sources.some(source => source.cartonMark === box.cartonMark) ? '来源箱已确认 · 下方填写扣除数量' : '待扫描确认' }}</text>
-        </view>
-      </view>
       <view v-for="box in sources" :key="box.cartonMark" class="item-card section-gap">
         <view class="row-head"><text class="business-code">{{ box.cartonMark }}</text><button v-if="!plan" class="link-button" @tap="remove(box.cartonMark)">移除</button></view>
-        <template v-if="!plan"><button class="secondary" @tap="printSource(box.cartonMark)">补打包裹/箱标签</button><ReturnLabelConfirmation ref="sourceLabels" :carton-mark="box.cartonMark" /></template>
-        <view v-for="item in box.items" :key="item.skuCode" class="source-quantity"><text class="meta-line">{{ item.skuCode }} · 可扣 {{ item.quantity }} 件</text><input class="small-input" type="number" :disabled="plan?.mode === 'SKU'" :value="deduction(box.cartonMark,item.skuCode)" placeholder="扣除数量" @input="setDeduction(box.cartonMark,item.skuCode,$event.detail.value)" /></view>
+        <button v-if="!plan" class="secondary" @tap="printSource(box.cartonMark)">补打包裹/箱标签</button>
+        <view v-for="item in box.items" :key="item.skuCode" class="source-quantity"><text class="meta-line">{{ item.skuCode }} · {{ plan ? '计划取出' : '可扣' }} {{ item.quantity }} 件</text><input class="small-input" type="number" :disabled="!!plan" :value="deduction(box.cartonMark,item.skuCode)" placeholder="扣除数量" @input="setDeduction(box.cartonMark,item.skuCode,$event.detail.value)" /></view>
       </view>
       <button class="primary" :disabled="!canComplete" @tap="complete">{{ busy ? '处理中…' : '确认合箱' }}</button>
     </view>
@@ -46,15 +48,14 @@
 
 <script>
 import ScanTargetInput from '@/components/ScanTargetInput.vue'
-import ReturnLabelConfirmation from '@/components/ReturnLabelConfirmation.vue'
 import { scanReturnCarton, completePackingPlan, mergeReturnBoxes, getReturnCartonLabel } from '@/api/return-packing.js'
 import { updateWarehouseWork, warehouseWork, warehouseIdempotencyKey, releaseWarehouseKey } from '@/stores/warehouse-work.js'
 export default {
-  components: { ScanTargetInput, ReturnLabelConfirmation },
+  components: { ScanTargetInput },
   props: { plan: { type: Object, default: null }, initialSource: { type: Object, default: null } },
   emits: ['completed', 'error', 'busy-change'],
   data() { return { mode:'', dimensions:{length:'',width:'',height:'',weight:''}, fields:[{key:'length',label:'长 cm'},{key:'width',label:'宽 cm'},{key:'height',label:'高 cm'},{key:'weight',label:'重量 kg'}], sourceCode: '', targetCode: '', sources: [], target: null, deductions: {}, active: 'source', busy: false } },
-  computed: { volume() { const value = Number(this.dimensions.length) * Number(this.dimensions.width) * Number(this.dimensions.height) / 1000000; return Number.isFinite(value) && value > 0 ? value.toFixed(6) : '0.000000' }, canComplete() { return !this.busy && (!this.plan || this.plan.mode !== 'SKU' || this.plan.sourceCartonMarks.every(mark => this.sources.some(box => box.cartonMark === mark))) && this.plannedItems().length > 0 && (this.mode === 'NEW' ? this.fields.every(f => Number(this.dimensions[f.key]) > 0) : !!this.target && this.target.cartonMark === this.targetCode.trim() && this.sources[0]?.cartonMark === this.sourceCode.trim()) } },
+  computed: { plannedSourceRows() { const listed = Array.isArray(this.plan?.sources) ? this.plan.sources : []; const marks = this.plan?.sourceCartonMarks?.length ? this.plan.sourceCartonMarks : listed.map(box => box.cartonMark).filter(Boolean); return marks.map(mark => listed.find(box => box.cartonMark === mark) || { cartonMark: mark, items: [] }) }, volume() { const value = Number(this.dimensions.length) * Number(this.dimensions.width) * Number(this.dimensions.height) / 1000000; return Number.isFinite(value) && value > 0 ? value.toFixed(6) : '0.000000' }, canComplete() { return !this.busy && (!this.plan || (this.plan.sourceCartonMarks || this.plan.sources.map(box => box.cartonMark)).every(mark => this.sources.some(box => box.cartonMark === mark) || this.target?.cartonMark === mark)) && this.plannedItems().length > 0 && (this.mode === 'NEW' ? this.fields.every(f => Number(this.dimensions[f.key]) > 0) : !!this.target && this.target.cartonMark === this.targetCode.trim() && (!!this.plan || this.sources[0]?.cartonMark === this.sourceCode.trim())) } },
   async mounted() {
     if (!this.plan && this.initialSource) { this.choose('NEW'); this.sources = [this.initialSource]; this.sourceCode = ''; this.active = 'source'; return }
     this.choose('NEW')
@@ -79,16 +80,16 @@ export default {
           if (this.mode === 'EXISTING') { this.sourceCode = mark; this.active = 'target'; return }
           throw new Error('该来源箱已添加')
         }
-        if (this.mode !== 'EXISTING' && this.target?.cartonMark === mark) throw new Error('来源箱不能与目标箱相同')
+        if ((this.plan || this.mode !== 'EXISTING') && this.target?.cartonMark === mark) throw new Error('来源箱不能与目标箱相同')
         const planned = this.plan?.sources?.find(box => box.cartonMark === mark)
         if(this.plan && !planned) throw new Error('该来源箱不在合箱计划中')
         const box = planned ? {...planned,customerId:this.plan.customerId} : await scanReturnCarton(mark)
         const customer = this.sources[0]?.customerId || this.target?.customerId
         if (customer && customer !== box.customerId) throw new Error('不同客户的箱不能合并')
-        if (this.mode === 'EXISTING') {
+        if (this.mode === 'EXISTING' && !this.plan) {
           this.sources = [box]; this.sourceCode = mark; this.deductions = {}; this.target = null; this.targetCode = ''
         } else { this.sources.push(box); this.sourceCode = '' }
-        if (this.plan?.mode === 'SKU') this.deductions = { ...this.deductions, [mark]: Object.fromEntries((box.items || []).map(item => [item.skuCode, Number(item.quantity)])) }
+        if (this.plan) this.deductions = { ...this.deductions, [mark]: Object.fromEntries((box.items || []).map(item => [item.skuCode, Number(item.quantity)])) }
         this.save(); this.active = this.mode === 'NEW' ? 'source' : 'target'
       })
     },
@@ -104,7 +105,7 @@ export default {
           // target. The remaining planned boxes are the source boxes.
           this.target = {...plannedSource,customerId:this.plan.customerId}
           this.targetCode = mark
-          this.deductions = Object.fromEntries(this.sources.map(box => [box.cartonMark, Object.fromEntries((box.items || []).map(item => [item.skuCode, '']))]))
+          this.deductions = Object.fromEntries(this.sources.map(box => [box.cartonMark, Object.fromEntries((box.items || []).map(item => [item.skuCode, Number(item.quantity)]))]))
           this.save()
           return
         }
@@ -115,7 +116,7 @@ export default {
         this.target = box; this.save()
       })
     },
-    acceptScan(value) { if (!this.plan && this.sources.some(box => box.cartonMark === String(value).trim())) { for (const label of [].concat(this.$refs?.sourceLabels || [])) label.acceptScan(value); return } if (!this.active) return; return this.active === 'source' ? this.scanSource(value) : this.scanTarget(value) },
+    acceptScan(value) { if (!this.active) return; return this.active === 'source' ? this.scanSource(value) : this.scanTarget(value) },
     async printSource(mark) {
       // #ifdef H5
       const tab = window.open('', '_blank')
@@ -129,6 +130,7 @@ export default {
     },
     deduction(mark, sku) { return this.deductions?.[mark]?.[sku] || '' },
     setDeduction(mark, sku, raw) {
+      if (this.plan) return
       const box = this.sources.find(item => item.cartonMark === mark)
       const max = Number(box?.items?.find(item => item.skuCode === sku)?.quantity || 0)
       const value = Math.min(max, Math.max(0, Math.floor(Number(raw) || 0)))
diff --git a/src/pages/outbound/outbound.vue b/src/pages/outbound/outbound.vue
index 1deda49..60097e7 100644
--- a/src/pages/outbound/outbound.vue
+++ b/src/pages/outbound/outbound.vue
@@ -46,7 +46,7 @@
 				<template v-else-if="discardCurrent">
 					<view class="detail-toolbar"><view><text class="detail-kicker">废弃订单</text><text class="detail-title">{{ discardCurrent.discardNo }}</text></view><button :disabled="discardBusy" @tap="closeDiscard">‹ 返回列表</button></view>
 					<view class="fulfillment-card"><ScanTargetInput name="cargo-discard" :model-value="discardPalletCode" label="废弃托盘码" placeholder="扫描对应托盘码" :active="true" @update:modelValue="updateDiscardPalletCode" @submit="resolveDiscardPallet" /><button class="secondary-button" :disabled="!discardPalletCode || discardLoading || discardBusy" @tap="resolveDiscardPallet">{{ discardLoading ? '读取中…' : '打开托盘废弃作业' }}</button><text class="scan-help">扫描该废弃订单对应的托盘，再填写每个 SKU 的实际废弃数量。</text></view>
-					<view v-if="discardTask" class="fulfillment-card item-card"><view class="task-head"><text class="business-code">托盘 {{ discardTask.palletNo }}</text><text class="status-badge">{{ discardTask.status === 'COMPLETED' ? '已完成' : '待废弃' }}</text></view><view v-for="sku in discardTask.skus" :key="sku.itemId" class="outbound-line"><text class="line-code">{{ sku.skuCode || '—' }}</text><text class="line-meta">{{ sku.productName || '—' }} · 计划 {{ sku.plannedPackages }} 箱</text><view class="count-row"><text>实际废弃数量</text><input type="number" :value="discardActuals[sku.itemId]" :disabled="discardTask.status === 'COMPLETED'" :placeholder="`请输入 0-${sku.plannedPackages} 箱`" @input="updateDiscardActual(sku.itemId, $event)" /><text>最多 {{ sku.plannedPackages }} 箱</text></view></view><button class="primary-button" :disabled="!canConfirmDiscard || discardBusy" @tap="confirmDiscard">{{ discardBusy ? '提交中…' : '废弃出库' }}</button></view>
+					<view v-if="discardTask" class="fulfillment-card item-card"><view class="task-head"><text class="business-code">托盘 {{ discardTask.palletNo }}</text><text class="status-badge">{{ discardTask.status === 'COMPLETED' ? '已完成' : '待废弃' }}</text></view><view v-for="sku in discardTask.skus" :key="sku.itemId" class="outbound-line"><text class="line-code">{{ sku.skuCode || '—' }}</text><text class="line-meta">{{ sku.productName || '—' }} · 计划 {{ sku.plannedPackages }} 箱</text><view class="count-row"><text>实际废弃数量</text><input type="number" :value="discardActuals[sku.itemId]" :disabled="discardTask.status === 'COMPLETED'" :placeholder="`请输入 0-${sku.plannedPackages} 箱`" @input="updateDiscardActual(sku.itemId, $event)" /><text>最多 {{ sku.plannedPackages }} 箱</text></view></view><view class="discard-photo-section"><text class="business-code">废弃现场照片（至少 1 张）</text><text class="scan-help">照片关联当前托盘，完成出库后可在废弃单详情查看。</text><view class="discard-photo-grid"><view v-for="photo in discardPhotos" :key="photo.fileId" class="discard-photo-tile"><image v-if="discardPhotoUrls[photo.fileId]" :src="discardPhotoUrls[photo.fileId]" mode="aspectFill" @tap="previewDiscardPhoto(photo.fileId)" /><button v-else class="secondary-button" @tap="loadDiscardPhoto(photo.fileId)">{{ discardPhotoErrors[photo.fileId] ? '加载失败，点击重试' : '加载照片' }}</button></view></view><button v-if="discardTask.status !== 'COMPLETED'" class="secondary-button" :disabled="discardLoading || discardBusy || discardPhotoBusy || !discardPhotoReady || discardPhotos.length >= 20" @tap="takeDiscardPhoto">{{ discardPhotoBusy ? '照片上传中…' : '拍摄废弃现场照片' }}（{{ discardPhotos.length }}/20）</button><button v-if="!discardPhotoReady" class="secondary-button" :disabled="discardLoading || discardPhotoBusy" @tap="restoreDiscardPhotos">重试读取照片</button></view><button class="primary-button" :disabled="!canConfirmDiscard || discardBusy" @tap="confirmDiscard">{{ discardBusy ? '提交中…' : '废弃出库' }}</button></view>
 				</template>
 
 				<view v-if="successMessage" class="fulfillment-success" role="status"><text>{{ successMessage }}</text></view>
@@ -58,7 +58,7 @@
 <script>
 	import PortalHeader from '@/components/PortalHeader.vue'
 	import ScanTargetInput from '@/components/ScanTargetInput.vue'
-	import { completeOutboundTask, confirmCargoDiscard, getOutboundTask, listCargoDiscardTasks, listOutboundTasks, normalizeCargoDiscardTask, outboundPickPayload, pickOutboundPallet, pickOutboundTask, resolveCargoDiscardPallet, resolveOutboundTask } from '@/api/fulfillment.js'
+	import { listCargoDiscardPhotos, uploadCargoDiscardPhoto, downloadCargoDiscardPhoto, completeOutboundTask, confirmCargoDiscard, getOutboundTask, listCargoDiscardTasks, listOutboundTasks, normalizeCargoDiscardTask, outboundPickPayload, pickOutboundPallet, pickOutboundTask, resolveCargoDiscardPallet, resolveOutboundTask } from '@/api/fulfillment.js'
 	import { fulfillment, fulfillmentIdempotencyKey, releaseFulfillmentKey, restoreFulfillmentDraft, updateFulfillmentDraft } from '@/stores/fulfillment.js'
 	import { requireSession, session } from '@/stores/session.js'
 	import { playErrorSound, playSuccessSound } from '@/utils/audio-feedback.js'
@@ -66,7 +66,7 @@
 
 	export default {
 		components: { PortalHeader, ScanTargetInput },
-		data() { return { user: session.currentUser, tasks: [], discardTasks: [], current: null, discardCurrent: null, discardTask: null, discardActuals: {}, discardPalletCode: '', discardLoading: false, discardBusy: false, selectedItem: null, selectedPosition: null, selectedScanCode: '', scanCode: '', loading: false, busy: false, busyAction: '', error: null, successMessage: '', bootstrapped: false } },
+		data() { return { user: session.currentUser, tasks: [], discardTasks: [], current: null, discardCurrent: null, discardTask: null, discardActuals: {}, discardPhotos: [], discardPhotoUrls: {}, discardPhotoErrors: {}, discardPhotoBusy: false, discardPhotoReady: false, discardPalletCode: '', discardLoading: false, discardBusy: false, selectedItem: null, selectedPosition: null, selectedScanCode: '', scanCode: '', loading: false, busy: false, busyAction: '', error: null, successMessage: '', bootstrapped: false } },
 		computed: {
 			displayItems() {
 				const items = this.current?.items || []
@@ -101,9 +101,9 @@
 			canComplete() { return this.plannedPackages > 0 && this.remainingPackages === 0 && this.taskOperable },
 			discardOrders() { const groups = new Map(); for (const task of this.discardTasks) { const current = groups.get(task.discardNo) || { discardNo: task.discardNo, palletCount: 0, pendingPalletCount: 0 }; current.palletCount += 1; if (task.status !== 'COMPLETED') current.pendingPalletCount += 1; groups.set(task.discardNo, current) } return [...groups.values()] },
 			discardOrderCount() { return this.discardOrders.length },
-			canConfirmDiscard() { return Boolean(!this.discardLoading && !this.discardBusy && this.discardTask && this.discardTask.status !== 'COMPLETED' && this.discardTask.skus.length && this.discardTask.skus.every((sku) => Number.isInteger(Number(this.discardActuals[sku.itemId])) && Number(this.discardActuals[sku.itemId]) >= 0 && Number(this.discardActuals[sku.itemId]) <= sku.plannedPackages)) }
+			canConfirmDiscard() { return Boolean(this.discardPhotoReady && this.discardPhotos.length > 0 && !this.discardPhotoBusy && !this.discardLoading && !this.discardBusy && this.discardTask && this.discardTask.status !== 'COMPLETED' && this.discardTask.skus.length && this.discardTask.skus.every((sku) => Number.isInteger(Number(this.discardActuals[sku.itemId])) && Number(this.discardActuals[sku.itemId]) >= 0 && Number(this.discardActuals[sku.itemId]) <= sku.plannedPackages)) }
 		},
-		onShow() { if (!requireSession()) return; this.user = session.currentUser; restoreFulfillmentDraft(`${this.user?.id || ''}:${this.user?.warehouseId || ''}`); this.startScanner(); if (!this.bootstrapped) { this.bootstrapped = true; this.scanCode = ''; this.loadTasks(); return } if (this.current?.taskNo) this.openTask(this.current.taskNo); else this.loadTasks() },
+		onShow() { if (!requireSession()) return; this.user = session.currentUser; restoreFulfillmentDraft(`${this.user?.id || ''}:${this.user?.warehouseId || ''}`); this.startScanner(); if (this.discardPhotoBusy || this.discardBusy) return; if (this.discardCurrent) { if (this.discardTask) this.restoreDiscardPhotos(); return } if (!this.bootstrapped) { this.bootstrapped = true; this.scanCode = ''; this.loadTasks(); return } if (this.current?.taskNo) this.openTask(this.current.taskNo); else this.loadTasks() },
 		onHide() { this.stopScanner() },
 		beforeUnmount() { this.stopScanner() },
 		methods: {
@@ -129,25 +129,59 @@
 				}, true)
 			},
 			closeTask() { this.current = null; this.selectedItem = null; this.selectedPosition = null; this.error = null; this.successMessage = ''; updateFulfillmentDraft('outbound', { currentTaskNo: '', scanCode: '', packages: 1 }); this.loadTasks() },
-			openDiscardOrder(discardNo) { const code = String(discardNo || '').trim(); if (!code || this.discardBusy || this.busy || this.loading) return; this.current = null; this.discardLoading = false; this.discardCurrent = { discardNo: code }; this.discardTask = null; this.discardPalletCode = ''; this.discardActuals = {}; this.error = null },
-			closeDiscard() { if (this.discardBusy) return; this.discardLoading = false; this.discardCurrent = null; this.discardTask = null; this.discardPalletCode = ''; this.discardActuals = {}; this.loadTasks() },
+			openDiscardOrder(discardNo) { if (this.discardPhotoBusy) return; this.resetDiscardPhotos(); const code = String(discardNo || '').trim(); if (!code || this.discardBusy || this.busy || this.loading) return; this.current = null; this.discardLoading = false; this.discardCurrent = { discardNo: code }; this.discardTask = null; this.discardPalletCode = ''; this.discardActuals = {}; this.error = null },
+			closeDiscard() { if (this.discardBusy || this.discardPhotoBusy) return; this.resetDiscardPhotos(); this.discardLoading = false; this.discardCurrent = null; this.discardTask = null; this.discardPalletCode = ''; this.discardActuals = {}; this.loadTasks() },
 			updateDiscardPalletCode(value) { this.discardPalletCode = value },
 			async resolveDiscardPallet(raw) {
 				const code = String(raw?.detail?.value ?? raw ?? this.discardPalletCode).trim()
-				if (!code || !this.discardCurrent || this.discardBusy || this.discardLoading) return
+				if (!code || !this.discardCurrent || this.discardBusy || this.discardLoading || this.discardPhotoBusy) return
 				const order = this.discardCurrent
-				this.discardPalletCode = code; this.discardLoading = true; this.discardTask = null; this.discardActuals = {}; this.error = null
+				this.resetDiscardPhotos(); this.discardPalletCode = code; this.discardLoading = true; this.discardTask = null; this.discardActuals = {}; this.error = null
 				try {
 					const task = await resolveCargoDiscardPallet(code)
 					if (this.discardCurrent !== order) return
 					if (task.discardNo !== order.discardNo) throw new Error('扫描的托盘不属于当前废弃订单')
 					this.discardTask = normalizeCargoDiscardTask(task)
-					this.discardActuals = Object.fromEntries(this.discardTask.skus.map((sku) => [sku.itemId, sku.actualPackages == null ? sku.plannedPackages : sku.actualPackages]))
+					this.discardActuals = Object.fromEntries(this.discardTask.skus.map((sku) => [sku.itemId, sku.actualPackages == null ? sku.plannedPackages : sku.actualPackages])); await this.restoreDiscardPhotos()
 				} catch (error) { if (this.discardCurrent === order) this.setError(error, '废弃托盘读取失败') }
 				finally { if (this.discardCurrent === order) this.discardLoading = false }
 			},
+			resetDiscardPhotos() { this.discardPhotos = []; this.discardPhotoUrls = {}; this.discardPhotoErrors = {}; this.discardPhotoReady = false },
+			async restoreDiscardPhotos() {
+				if (!this.discardTask || !this.discardCurrent) return
+				const order = this.discardCurrent; const task = this.discardTask
+				this.discardPhotoReady = false
+				try {
+					const photos = await listCargoDiscardPhotos(order.discardNo, task.palletNo)
+					if (this.discardCurrent !== order || this.discardTask !== task) return
+					this.discardPhotos = photos; this.discardPhotoReady = true
+					await Promise.all(photos.map(photo => this.loadDiscardPhoto(photo.fileId)))
+				} catch (error) { if (this.discardCurrent === order && this.discardTask === task) this.setError(error, '废弃照片读取失败') }
+			},
+			async loadDiscardPhoto(fileId) {
+				if (!this.discardCurrent || !this.discardTask) return
+				const order = this.discardCurrent; const task = this.discardTask
+				try {
+					const url = await downloadCargoDiscardPhoto(order.discardNo, task.palletNo, fileId)
+					if (this.discardCurrent === order && this.discardTask === task) { this.discardPhotoUrls = { ...this.discardPhotoUrls, [fileId]: url }; this.discardPhotoErrors = { ...this.discardPhotoErrors, [fileId]: false } }
+				} catch (_) { if (this.discardCurrent === order && this.discardTask === task) this.discardPhotoErrors = { ...this.discardPhotoErrors, [fileId]: true } }
+			},
+			previewDiscardPhoto(fileId) { const urls = this.discardPhotos.map(photo => this.discardPhotoUrls[photo.fileId]).filter(Boolean); if (this.discardPhotoUrls[fileId]) uni.previewImage({ current: this.discardPhotoUrls[fileId], urls }) },
+			takeDiscardPhoto() {
+				if (!this.discardCurrent || !this.discardTask || this.discardTask.status === 'COMPLETED' || this.discardPhotoBusy || this.discardBusy || this.discardLoading || !this.discardPhotoReady || this.discardPhotos.length >= 20) return
+				const order = this.discardCurrent; const task = this.discardTask; this.discardPhotoBusy = true
+				uni.chooseImage({ count: 1, sourceType: ['camera'], success: async ({ tempFilePaths }) => {
+					try {
+						if (this.discardCurrent !== order || this.discardTask !== task || !tempFilePaths?.[0]) return
+						const photo = await uploadCargoDiscardPhoto(order.discardNo, task.palletNo, tempFilePaths[0])
+						if (this.discardCurrent !== order || this.discardTask !== task) return
+						this.discardPhotos.push(photo); this.discardPhotoUrls = { ...this.discardPhotoUrls, [photo.fileId]: tempFilePaths[0] }; this.error = null
+					} catch (error) { this.setError(error, '废弃照片上传失败'); await this.restoreDiscardPhotos() }
+					finally { this.discardPhotoBusy = false }
+				}, fail: () => { this.discardPhotoBusy = false } })
+			},
 			updateDiscardActual(itemId, event) { const value = Math.max(0, Math.trunc(Number(event.detail.value || 0))); this.discardActuals = { ...this.discardActuals, [itemId]: value } },
-			async confirmDiscard() { if (this.discardBusy || this.discardLoading || !this.canConfirmDiscard || !this.discardTask || !this.discardCurrent) return; this.discardBusy = true; try { const lines = this.discardTask.skus.map((sku) => ({ itemId: sku.itemId, actualPackages: Number(this.discardActuals[sku.itemId]) })); await confirmCargoDiscard(this.discardCurrent.discardNo, this.discardTask.palletNo, lines); this.successMessage = '废弃出库作业已完成，等待仓库确认'; this.discardPalletCode = ''; this.discardTask = null; this.discardTasks = await listCargoDiscardTasks(); playSuccessSound() } catch (error) { this.setError(error, '废弃出库失败') } finally { this.discardBusy = false } },
+			async confirmDiscard() { if (this.discardBusy || this.discardLoading || !this.canConfirmDiscard || !this.discardTask || !this.discardCurrent) return; this.discardBusy = true; try { const lines = this.discardTask.skus.map((sku) => ({ itemId: sku.itemId, actualPackages: Number(this.discardActuals[sku.itemId]) })); await confirmCargoDiscard(this.discardCurrent.discardNo, this.discardTask.palletNo, lines, this.discardPhotos.map(photo => String(photo.fileId))); this.successMessage = '废弃出库作业及照片已提交，等待仓库确认'; this.resetDiscardPhotos(); this.discardPalletCode = ''; this.discardTask = null; this.discardTasks = await listCargoDiscardTasks(); playSuccessSound() } catch (error) { this.setError(error, '废弃出库失败') } finally { this.discardBusy = false } },
 			handleScan(raw) {
 				const code = String(raw?.detail?.value ?? raw ?? this.scanCode).trim(); if (!code || this.busy || this.loading || this.discardBusy || this.discardLoading) return
 				console.info('[Overseas PDA outbound] scan', { code, task: this.current?.taskNo || '', discard: this.discardCurrent?.discardNo || '' }); this.scanCode = code; updateFulfillmentDraft('outbound', { scanCode: code })
@@ -189,6 +223,7 @@
 
 <style scoped>
 	@import '../dispatch/fulfillment.scss';
+.discard-photo-section{margin:14px 0;padding-top:12px;border-top:1px solid #d9e3ee}.discard-photo-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:12px 0}.discard-photo-tile image{display:block;width:100%;height:120px;border-radius:8px}
 	.outbound-line { margin-top: 9px; padding: 10px; border: 1px solid #e0e7ef; border-radius: 8px; background: #f8fafc; }
 	.outbound-line.selected { border: 2px solid #135ee8; background: #edf5ff; }
 	.line-code, .line-meta { display: block; }
diff --git a/src/pages/return-packing/return-packing.vue b/src/pages/return-packing/return-packing.vue
index 6e1be32..4a84e7f 100644
--- a/src/pages/return-packing/return-packing.vue
+++ b/src/pages/return-packing/return-packing.vue
@@ -31,7 +31,7 @@
                 <button class="secondary" :disabled="busy" @tap="printLabel(label)">打印新箱唛</button>
                 <ReturnLabelConfirmation ref="labelConfirmations" :carton-mark="label.cartonMark" />
               </view>
-              <button class="primary" :disabled="busy" @tap="nextPacking">返回合箱计划列表</button>
+              <button class="primary" @tap="nextPacking">返回合箱计划列表</button>
             </view>
 			<view v-if="error" class="error-box" role="alert"><text class="error-title">{{ error.message }}</text><text v-if="error.code">错误码：{{ error.code }}</text><text v-if="error.requestId">requestId：{{ error.requestId }}</text><text v-if="error.traceId">traceId：{{ error.traceId }}</text><button v-if="selectedOrders.length" class="secondary" :disabled="busy" @tap="refreshSelected">重新读取可用库存</button></view>
 		</view></scroll-view>
@@ -66,7 +66,7 @@
 		onShow() { if (!requireSession()) return; this.user = session.currentUser; restoreWarehouseWork(`${this.user.id}:${this.user.warehouseId}`); this.mode = this.packing.mode || 'SKU'; this.activePlan = this.packing.activePlan || null; this.result = this.packing.result || null; if (this.activePlan) { const quantities = {}; for (const box of this.activePlan.boxes) for (const item of box.items || []) quantities[item.skuCode] = (quantities[item.skuCode] || 0) + Number(item.quantity); this.selectedCustomer = { skus: Object.entries(quantities).map(([skuCode, availableQuantity]) => ({ skuCode, availableQuantity })) }; } this.startScanner(); this.loadPlans(); if (!this.activePlan && !this.result && this.selectedOrders.length && !Object.keys(this.previews).length) this.refreshSelected() },
 		onHide() { this.stopScanner() }, onUnload() { this.stopScanner() }, beforeUnmount() { this.stopScanner() },
 		methods: {
-			startScanner() { this.initialSource = this.activePlan ? null : this.packing.initialSource || null; if (this.mode === 'BOX' && !this.activePlan && !this.initialSource) this.mode = 'SKU'; this.stopScanner(); this._stopScanner = startScanBroadcast({ onScan: (value) => { if (this.result) { for (const label of [].concat(this.$refs.labelConfirmations || [])) label.acceptScan(value); return } if (!this.busy && !this.result) { if (this.mode === 'BOX') this.$refs.boxWork?.acceptScan(value); else { this.searchCode = value; this.search(value) } } }, onError: (error) => this.setError(error, '扫码广播注册失败') }) },
+			startScanner() { this.initialSource = this.activePlan ? null : this.packing.initialSource || null; if (this.mode === 'BOX' && !this.activePlan && !this.initialSource) this.mode = 'SKU'; this.stopScanner(); this._stopScanner = startScanBroadcast({ onScan: (value) => { if (this.result) { for (const confirmation of this.$refs.labelConfirmations || []) confirmation.acceptScan(value); return } if (!this.busy && !this.result) { if (this.mode === 'BOX') this.$refs.boxWork?.acceptScan(value); else { this.searchCode = value; this.search(value) } } }, onError: (error) => this.setError(error, '扫码广播注册失败') }) },
 			stopScanner() { if (this._stopScanner) this._stopScanner(); this._stopScanner = null },
 			async loadPlans() { try { this.plans = await listPackingPlans() } catch (error) { this.setError(error, '加载合箱计划失败') } },
 			async search(raw) {
@@ -120,7 +120,7 @@
 
             changeMode(mode) { if (this.activePlan || this.busy) return; this.mode = mode; resetWarehouseDomain('returnPacking'); updateWarehouseWork('returnPacking', { mode }); this.selectedCustomer = null; this.customerCandidates = []; this.candidates = null },
             leavePlan() { if (this.busy) return; this.returnToPlans() },
-            packingCompleted(value) { playSuccessSound(); if (value.targetMode === 'EXISTING') { this.returnToPlans(); return } this.result = { labels: value.labels || (value.label ? [value.label] : []) }; updateWarehouseWork('returnPacking', { result: this.result }) },
+            packingCompleted(value) { this.busy = false; playSuccessSound(); if (value.targetMode === 'EXISTING') { this.returnToPlans(); return } this.result = { labels: value.labels || (value.label ? [value.label] : []) }; updateWarehouseWork('returnPacking', { result: this.result }) },
             async printLabel(label) {
                 // #ifdef H5
                 const tab = window.open('', '_blank')
@@ -132,7 +132,7 @@
                 // #endif
             },
 			copyCartonMark() { const value = this.result?.label?.cartonMark || this.result?.cartonMark; if (value) uni.setClipboardData({ data: value }) },
-			nextPacking() { if (this.busy) return; this.returnToPlans() },
+			nextPacking() { this.returnToPlans() },
             returnToPlans() { resetWarehouseDomain('returnPacking'); this.initialSource = null; this.activePlan = null; this.result = null; this.mode = 'SKU'; this.error = null; this.customerCandidates = []; this.selectedCustomer = null; this.candidates = null; this.previews = {}; this.loadPlans() },
 			async run(work, fallback) { if (this.busy) return; this.busy = true; this.error = null; try { await work() } catch (error) { this.setError(error, fallback) } finally { this.busy = false } },
 			setError(error, fallback) { this.error = { message: error?.message || fallback, code: error?.code, requestId: error?.requestId, traceId: error?.traceId }; playErrorSound() },
diff --git a/src/pages/return-receipt/return-receipt.vue b/src/pages/return-receipt/return-receipt.vue
index 49d2336..378e19b 100644
--- a/src/pages/return-receipt/return-receipt.vue
+++ b/src/pages/return-receipt/return-receipt.vue
@@ -2,6 +2,7 @@
 	<view v-if="user" class="page-shell portal-page work-page">
 		<PortalHeader title="退货入库" :user="user" fallback-url="/pages/module/module?key=inbound" />
 		<scroll-view class="work-scroll" scroll-y><view class="portal-content work-content">
+			<LocalPackingAcceptance />
 			<view v-if="!current && !result && !receiptBatch" class="work-card">
 				<text class="card-title">扫描 SKU 69 码</text>
 				<ScanTargetInput name="lookup" v-model="lookupCode" label="SKU 69 码" placeholder="扫描商品 69 码，自动带出退货单号" :active="activeTarget === 'lookup'" @activate="activeTarget = 'lookup'" @submit="lookup" />
@@ -62,6 +63,7 @@
 
 <script>
 	import PortalHeader from '@/components/PortalHeader.vue'
+	import LocalPackingAcceptance from '@/components/LocalPackingAcceptance.vue'
 	import ScanTargetInput from '@/components/ScanTargetInput.vue'
 	import { checkReturnPallet, confirmReturnReceipt, createReturnPallet, downloadReturnPalletPhoto, findReturnSkuCandidates, manuallyCompleteReturnReceipt, startReturnReceipt, uploadReturnPalletPhoto } from '@/api/return-receipt.js'
 	import { session, requireSession } from '@/stores/session.js'
@@ -70,7 +72,7 @@
 	import { playErrorSound, playSuccessSound } from '@/utils/audio-feedback.js'
 
 	export default {
-		components: { PortalHeader, ScanTargetInput },
+		components: { PortalHeader, ScanTargetInput, LocalPackingAcceptance },
 		data() { return { user: session.currentUser, current: null, candidates: null, result: null, selectedSku: '', palletCheck: null, newPalletHtml: '', unitType: 'PALLET', unitCode: '', boxRows: [{ items: {}, length: '', width: '', height: '', weight: '', originalPackaging: true, confirmed: false }], palletLength: '', palletWidth: '', palletHeight: '', palletWeight: '', unitOptions: [{ value: 'PALLET', label: '托盘' }, { value: 'BOX', label: '箱子' }, { value: 'PARCEL', label: '包裹' }], photoFileIds: [], photoNames: [], photoUrls: {}, activeTarget: 'lookup', busy: false, error: null } },
 		computed: {
 			receiptBatch() { return warehouseWork.returnReceipt.pendingBatch },
diff --git a/tests/outbound-lifecycle.test.mjs b/tests/outbound-lifecycle.test.mjs
index 8f86a2e..06c0425 100644
--- a/tests/outbound-lifecycle.test.mjs
+++ b/tests/outbound-lifecycle.test.mjs
@@ -9,15 +9,37 @@ function page(overrides = {}) {
   const deps = { PortalHeader: {}, ScanTargetInput: {}, session: { currentUser: {} }, fulfillment: { outbound: { packages: 1, currentTaskNo: 'OLD-TASK' } },
     updateFulfillmentDraft() {}, fulfillmentIdempotencyKey: () => ({ value: 'key', signature: 'signature' }), releaseFulfillmentKey() {},
     playErrorSound() {}, playSuccessSound() {}, pickOutboundPallet: async () => calls.push('pick'), completeOutboundTask: async () => calls.push('complete'),
-    getOutboundTask: async () => ({ taskNo: 'TASK', status: 'COMPLETED', items: [] }), normalizeCargoDiscardTask: value => value,
+    listCargoDiscardPhotos: async () => [], getOutboundTask: async () => ({ taskNo: 'TASK', status: 'COMPLETED', items: [] }), normalizeCargoDiscardTask: value => value,
     ...overrides }
   const definition = new Function(...Object.keys(deps), source.replace(/^\s*import .*$/gm, '').replace('export default', 'return'))(...Object.values(deps))
   const vm = definition.data()
   for (const [name, fn] of Object.entries(definition.methods)) vm[name] = fn.bind(vm)
   for (const [name, fn] of Object.entries(definition.computed)) Object.defineProperty(vm, name, { get: () => fn.call(vm) })
-  return { vm, calls }
+  return { vm, calls, definition }
 }
 
+test('discard requires restored photos and retains task while native camera returns', async () => {
+  const { vm, definition } = page({ requireSession: () => true, restoreFulfillmentDraft() {} })
+  vm.discardCurrent = { discardNo: 'CD-1' }; vm.discardTask = { palletNo: 'PALLET', status: 'PENDING', skus: [{ itemId: 'sku', plannedPackages: 3 }] }; vm.discardActuals = { sku: 1 }
+  assert.equal(vm.canConfirmDiscard, false)
+  vm.discardPhotoReady = true; assert.equal(vm.canConfirmDiscard, false)
+  vm.discardPhotos = [{ fileId: '101' }]; assert.equal(vm.canConfirmDiscard, true)
+  vm.discardPhotoBusy = true; assert.equal(vm.canConfirmDiscard, false)
+  let loads = 0; vm.startScanner = () => {}; vm.loadTasks = () => { loads++ }
+  definition.onShow.call(vm)
+  assert.equal(loads, 0); assert.equal(vm.discardTask.palletNo, 'PALLET')
+})
+
+test('discard list failure blocks confirmation and stale downloads cannot replace a new pallet', async () => {
+  const pending = deferred()
+  const { vm } = page({ listCargoDiscardPhotos: async () => { throw new Error('offline photos') }, downloadCargoDiscardPhoto: () => pending.promise })
+  vm.discardCurrent = { discardNo: 'CD-1' }; vm.discardTask = { palletNo: 'A', status: 'PENDING', skus: [{ itemId: 'sku', plannedPackages: 1 }] }; vm.discardActuals = { sku: 1 }
+  vm.discardPhotos = [{ fileId: '101' }]; vm.discardPhotoReady = true
+  await vm.restoreDiscardPhotos(); assert.equal(vm.canConfirmDiscard, false)
+  const first = vm.loadDiscardPhoto('101'); vm.discardTask = { palletNo: 'B' }; vm.resetDiscardPhotos()
+  pending.resolve('old-photo-url'); await first; assert.deepEqual(vm.discardPhotoUrls, {})
+})
+
 test('return pallet rows sum carton counts without changing raw pick lines', () => {
   const { vm } = page()
   const cartons = Array.from({ length: 5 }, (_, index) => ({ outboundPalletItemId: index + 1, palletNo: 'PALLET', plannedPackages: 1, pickedPackages: index < 3 ? 1 : 0, positions: [] }))
@@ -87,7 +109,7 @@ test('discard confirmation is guarded against double submission', async () => {
   const pending = deferred(); let submits = 0
   const { vm } = page({ confirmCargoDiscard: async () => { submits++; await pending.promise }, listCargoDiscardTasks: async () => [] })
   vm.discardCurrent = { discardNo: 'DISCARD' }; vm.discardTask = { palletNo: 'PALLET', status: 'PENDING', skus: [{ itemId: 'sku', plannedPackages: 1 }] }; vm.discardActuals = { sku: 1 }
-  const first = vm.confirmDiscard(); const second = vm.confirmDiscard()
+  vm.discardPhotoReady = true; vm.discardPhotos = [{ fileId: '101' }]; const first = vm.confirmDiscard(); const second = vm.confirmDiscard()
   pending.resolve(); await Promise.all([first, second]); assert.equal(submits, 1)
 })
 
diff --git a/tests/return-box-merge-work.test.mjs b/tests/return-box-merge-work.test.mjs
index 6f728e5..5a4a1ec 100644
--- a/tests/return-box-merge-work.test.mjs
+++ b/tests/return-box-merge-work.test.mjs
@@ -12,13 +12,14 @@ test('box merge component compiles both its script and template', () => {
   assert.deepEqual(compileTemplate({ source: descriptor.template.content, filename, id: 'box-merge' }).errors, [])
 })
 function instance() {
-  const component = vm.runInNewContext(descriptor.script.content.replace(/^import .*$/gm, '').replace('export default', 'component ='), { ScanTargetInput: {}, ReturnLabelConfirmation: {}, component: null })
+  const boxes = [{cartonMark:'A',customerId:'C1',items:[{skuCode:'SKU1',quantity:2},{skuCode:'SKU2',quantity:3}]},{cartonMark:'B',customerId:'C1',items:[{skuCode:'SKU1',quantity:2}]}]
+  const component = vm.runInNewContext(descriptor.script.content.replace(/^import .*$/gm, '').replace('export default', 'component ='), { ScanTargetInput: {}, ReturnLabelConfirmation: {}, component: null, scanReturnCarton: async mark => boxes.find(box => box.cartonMark === mark) })
   const work = { ...component.data(), plan: {customerId:'C1',sources:[{cartonMark:'A',items:[{skuCode:'SKU1',quantity:2},{skuCode:'SKU2',quantity:3}]},{cartonMark:'B',items:[{skuCode:'SKU1',quantity:2}]}]}, $emit(){} }
   for (const [name, method] of Object.entries(component.methods)) work[name] = method.bind(work)
   work.save = () => {}
   return {work,component}
 }
-test('new plan requires scanning each source and keeps independent SKU deductions', async () => {
+test('new plan requires scanning each source and preserves locked SKU quantities', async () => {
   const {work,component}=instance(); work.choose('NEW')
   assert.equal(work.sources.length,0)
   assert.equal(work.active,'source')
@@ -26,14 +27,20 @@ test('new plan requires scanning each source and keeps independent SKU deduction
   work.setDeduction('A','SKU1',1); work.setDeduction('A','SKU2',2); work.setDeduction('B','SKU1',2)
   work.dimensions={length:10,width:20,height:30,weight:1}
   assert.equal(work.sources.length,2)
-  assert.equal(work.plannedItems().reduce((sum,item)=>sum+item.quantity,0),5)
+  assert.equal(work.plannedItems().reduce((sum,item)=>sum+item.quantity,0),7)
   assert.equal(component.computed.canComplete.call(work),true)
 })
+
+test('planned source carton marks are visible before scanning', () => {
+  const {work, component} = instance()
+  work.plan = { sourceCartonMarks: ['A', 'B'], sources: [] }
+  assert.deepEqual(component.computed.plannedSourceRows.call(work).map(box => box.cartonMark), ['A', 'B'])
+})
 test('existing box uses another box as target and never removes target inventory', async () => {
   const {work,component}=instance(); work.choose('EXISTING'); await work.scanSource('A'); await work.scanTarget('B')
   assert.equal(work.target.cartonMark,'B'); assert.equal(work.sources.length,1)
   work.setDeduction('A','SKU1',1)
-  assert.equal(work.plannedItems().length,1)
+  assert.equal(work.plannedItems().length,2)
   assert.equal(work.target.items[0].quantity,2)
   assert.equal(component.computed.canComplete.call(work),true)
   work.choose('NEW'); assert.equal(work.target,null); assert.equal(work.sources.length,0)
@@ -42,6 +49,7 @@ test('existing box uses another box as target and never removes target inventory
 
 test('existing source can be replaced before merging, echoing the mark and clearing old deductions and target', async () => {
   const {work,component}=instance()
+  work.plan=null
   work.choose('EXISTING'); await work.scanSource('A'); await work.scanTarget('B')
   work.setDeduction('A','SKU1',1)
   assert.equal(work.sourceCode,'A')
@@ -58,6 +66,18 @@ test('existing source can be replaced before merging, echoing the mark and clear
   assert.equal(component.computed.canComplete.call(work),true)
 })
 
+test('BOX plan requires every source and accumulates multiple scanned sources', async () => {
+  const {work,component}=instance()
+  work.plan.mode='BOX'
+  work.plan.sources.push({cartonMark:'C',items:[{skuCode:'SKU1',quantity:4}]})
+  work.choose('EXISTING'); await work.scanSource('A'); await work.scanTarget('B')
+  assert.equal(component.computed.canComplete.call(work),false)
+  await work.scanSource('C')
+  assert.equal(work.sources.length,2)
+  assert.equal(component.computed.canComplete.call(work),true)
+  assert.equal(work.plannedItems().reduce((sum,item)=>sum+item.quantity,0),9)
+})
+
 test('a directly scanned box survives switching between existing and new targets', async () => {
   const {work}=instance()
   const box=work.plan.sources[0];work.plan=null;work.initialSource=box
diff --git a/tests/return-packing-completion.test.mjs b/tests/return-packing-completion.test.mjs
index 13df2d5..2f990ac 100644
--- a/tests/return-packing-completion.test.mjs
+++ b/tests/return-packing-completion.test.mjs
@@ -56,9 +56,20 @@ test('existing target immediately clears work and returns to refreshed plans eve
 test('new target retains labels for printing and can return without putaway', () => {
   const {page,saved,reset}=instance()
   page.packingCompleted({targetMode:'NEW',labels:[{cartonMark:'NEW#1-1'}]})
+  assert.equal(page.busy,false)
   assert.equal(saved().result.labels[0].cartonMark,'NEW#1-1')
   assert.equal(reset(),false)
   page.busy=false; page.nextPacking()
   assert.equal(page.result,null)
   assert.equal(reset(),true)
 })
+
+test('completed packing can return to plans even when the page busy flag is stale', () => {
+  const {page,reset}=instance()
+  page.result={labels:[{cartonMark:'NEW#1-1'}]}
+  page.nextPacking()
+  assert.equal(page.result,null)
+  assert.equal(reset(),true)
+  assert.equal(page.plans[0].planNo,'P2')
+  assert.doesNotMatch(descriptor.template.content, /<button[^>]*:disabled[^>]*@tap="nextPacking"/)
+})