fix(pda): make completed loading evidence read-only

pages/picking/picking.vue

@@ -129,14 +129,14 @@
 									<text class="evidence-count" :class="{ complete: evidenceEntries(slot.type).length }">{{ evidenceEntries(slot.type).length ? `已拍 ${evidenceEntries(slot.type).length} 张` : '待拍摄' }}</text>
 								</view>
 							</view>
-							<button class="evidence-btn evidence-add-btn" @tap="chooseEvidence(slot)">{{ evidenceUploadLabel(slot.type) }}</button>
+							<button class="evidence-btn evidence-add-btn" :disabled="evidenceReadOnly" @tap="chooseEvidence(slot)">{{ evidenceUploadLabel(slot.type) }}</button>
 						</view>
 						<view v-if="evidenceEntries(slot.type).length" class="evidence-photo-grid">
 							<view v-for="photo in evidenceEntries(slot.type)" :key="photo.id || photo.fileId || photo.localPath" class="evidence-photo-item">
 								<image v-if="evidencePreviewSource(photo)" class="evidence-thumbnail" :src="evidencePreviewSource(photo)" mode="aspectFill" @tap="previewEvidencePhoto(photo, slot.type)" />
 								<view v-else class="evidence-thumbnail evidence-thumbnail-placeholder" @tap="previewEvidencePhoto(photo, slot.type)">图片处理中</view>
 								<text class="evidence-file" @tap="previewEvidencePhoto(photo, slot.type)">{{ photo.fileName || '已记录' }}</text>
-								<button v-if="photo.id && photo.status !== 'VOID' && photo.status !== 'VOIDED'" class="evidence-delete-btn" aria-label="删除照片" @tap="deleteEvidencePhoto(photo)">×</button>
+								<button v-if="!evidenceReadOnly && photo.id && photo.status !== 'VOID' && photo.status !== 'VOIDED'" class="evidence-delete-btn" aria-label="删除照片" @tap="deleteEvidencePhoto(photo)">×</button>
 							</view>
 						</view>
 						<text v-if="evidenceQueueEntry(slot.type)" class="evidence-upload-state" :class="evidenceQueueEntry(slot.type).status.toLowerCase()">
@@ -149,11 +149,12 @@
 					</view>
 				</view>
 				<view class="seal-row">
-					<input v-model="sealNo" class="seal-input" placeholder="输入封签号（必填）" maxlength="64" />
-					<button class="evidence-btn seal-btn" :disabled="sealSaving || !sealReadyToSave" @tap="saveSealNo">{{ sealSaving ? '上传中…' : '保存并上传' }}</button>
+					<input v-model="sealNo" :disabled="evidenceReadOnly" class="seal-input" placeholder="输入封签号（必填）" maxlength="64" />
+					<button class="evidence-btn seal-btn" :disabled="evidenceReadOnly || sealSaving || !sealReadyToSave" @tap="saveSealNo">{{ sealSaving ? '上传中…' : '保存并上传' }}</button>
 				</view>
 				<view v-if="remoteError" class="remote-error-row"><text class="remote-error" role="alert">{{ remoteError }}</text><button class="evidence-retry-btn" :disabled="remoteLoading" @tap="refreshTask">刷新任务</button></view>
-				<button class="loading-complete-btn" :disabled="submitting || !loadingStageReady || pickingVersion === null || !evidenceComplete" @tap="completeLoadingTask">确认装柜完成</button>
+				<text v-if="evidenceReadOnly" class="version-hint" role="status">{{ loadingCompletionState.label }}</text>
+				<button v-else class="loading-complete-btn" :disabled="submitting || !loadingStageReady || pickingVersion === null || !evidenceComplete" @tap="completeLoadingTask">确认装柜完成</button>
 				<view v-if="pickingVersion === null" class="remote-error-row">
 					<text class="version-hint" role="status">状态尚未同步，请刷新重试</text>
 					<button class="evidence-retry-btn" :disabled="remoteLoading" @tap="refreshTask">刷新任务</button>
@@ -348,7 +349,7 @@
 	import { isOnline } from '@/utils/network.js'
 	import { stableOperationId } from '@/utils/idempotency.js'
 	import { stableTaskOperationIdentity } from '@/utils/task-identity.js'
-	import { COMPLETION_PHASE, resolveCompletionPhase, shouldReconcileCompletion } from '@/utils/loading-completion-state.js'
+	import { COMPLETION_PHASE, completionPresentation, resolveCompletionPhase, shouldReconcileCompletion } from '@/utils/loading-completion-state.js'
 	import { containerReference, formatApiError, sanitizeUserMessage } from '@/utils/user-facing.js'
 	import ScanTargetInput from '@/components/ScanTargetInput.vue'
 	import PopupHeader from '@/components/PopupHeader.vue'
@@ -444,6 +445,17 @@
 					&& Boolean(this.remoteTaskId && this.currentBox.loadingPlanId && this.currentBox.containerBookingId)
 					&& this.pickingVersion !== null
 			},
+			loadingCompletionState() {
+				const phase = resolveCompletionPhase({
+					taskStatus: this.remotePick?.workflowStatus || this.remotePick?.taskStatus,
+					commandStatus: this.remotePick?.completionCommand?.status || this.remotePick?.commandStatus,
+					submitting: this.submitting
+				})
+				return { ...completionPresentation(phase), phase }
+			},
+			evidenceReadOnly() {
+				return this.loadingCompletionState.blocked && !this.loadingCompletionState.retryable
+			},
 			loadingStageReady() {
 				return this.pickingCompleted
 					&& this.evidenceIdentity
@@ -791,6 +803,10 @@
 				return false
 			},
 			requireEvidenceStage() {
+				if (this.evidenceReadOnly) {
+					this.showToast(this.loadingCompletionState.label, 'warning')
+					return false
+				}
 				if (!this.pickingCompleted) {
 					this.showToast('请先提交拣货完成', 'warning')
 					return false