feat(M08-B): 补联调快照导入导出

admin/src/components/CleaningFieldHandoffPanel.vue

@@ -46,8 +46,17 @@
             <el-button type="primary" :icon="Check" @click="applyBulkMark">应用到当前筛选</el-button>
           </el-form>
         </el-popover>
+        <el-button :icon="FileDown" @click="exportSnapshot">快照</el-button>
+        <el-button :icon="FileUp" @click="openSnapshotImport">导入</el-button>
         <el-button :icon="Download" @click="exportChecklist">导出</el-button>
         <el-button :icon="RotateCcw" @click="resetDraft">重置</el-button>
+        <input
+          ref="snapshotInput"
+          class="hidden-file-input"
+          type="file"
+          accept="application/json,.json"
+          @change="importSnapshot"
+        />
       </div>
     </div>
 
@@ -158,7 +167,7 @@
 
 <script setup lang="ts">
 import { computed, reactive, ref } from 'vue';
-import { Check, Copy, Download, ListChecks, RotateCcw } from '@lucide/vue';
+import { Check, Copy, Download, FileDown, FileUp, ListChecks, RotateCcw } from '@lucide/vue';
 import { ElMessage } from 'element-plus';
 
 type FieldStatus = 'PENDING' | 'PASS' | 'BLOCKED' | 'SKIP';
@@ -188,6 +197,7 @@ const storageKey = 'qipai.cleaning.field-handoff';
 const sessionStorageKey = 'qipai.cleaning.field-handoff.session';
 const category = ref<'全部' | HandoffItem['category']>('全部');
 const statusFilter = ref<'ALL' | FieldStatus>('ALL');
+const snapshotInput = ref<HTMLInputElement | null>(null);
 const bulkForm = reactive<{ status: FieldStatus; owner: string; note: string }>({
   status: 'PASS',
   owner: '',
@@ -264,6 +274,7 @@ const passedCount = computed(() => checklist.filter((item) => draft[item.id].sta
 const blockedCount = computed(() => checklist.filter((item) => draft[item.id].status === 'BLOCKED').length);
 const pendingCount = computed(() => checklist.filter((item) => draft[item.id].status === 'PENDING').length);
 const blockedItems = computed(() => checklist.filter((item) => draft[item.id].status === 'BLOCKED'));
+const checklistIds = new Set(checklist.map((item) => item.id));
 
 function createInitialDraft() {
   const saved = readSavedDraft();
@@ -359,9 +370,72 @@ function exportChecklist() {
   ]);
 }
 
+function exportSnapshot() {
+  const payload = {
+    schema: 'qipai.cleaning.field-handoff.snapshot.v1',
+    exportedAt: new Date().toISOString(),
+    sessionMeta,
+    draft
+  };
+  downloadText(
+    `cleaning-field-handoff-snapshot-${Date.now()}.json`,
+    JSON.stringify(payload, null, 2),
+    'application/json;charset=utf-8'
+  );
+}
+
+function openSnapshotImport() {
+  snapshotInput.value?.click();
+}
+
+async function importSnapshot(event: Event) {
+  const input = event.target as HTMLInputElement;
+  const file = input.files?.[0];
+  input.value = '';
+  if (!file) return;
+  try {
+    const payload = JSON.parse(await file.text()) as {
+      schema?: string;
+      sessionMeta?: Partial<SessionMeta>;
+      draft?: Record<string, Partial<HandoffDraft>>;
+    };
+    if (payload.schema !== 'qipai.cleaning.field-handoff.snapshot.v1' || !payload.draft) {
+      throw new Error('SNAPSHOT_SCHEMA_INVALID');
+    }
+    Object.assign(sessionMeta, {
+      batchNo: payload.sessionMeta?.batchNo || '',
+      site: payload.sessionMeta?.site || '',
+      coordinator: payload.sessionMeta?.coordinator || '',
+      executedAt: payload.sessionMeta?.executedAt || ''
+    });
+    for (const [id, value] of Object.entries(payload.draft)) {
+      if (!checklistIds.has(id)) continue;
+      const status = isFieldStatus(value.status) ? value.status : 'PENDING';
+      draft[id] = {
+        status,
+        owner: value.owner || '',
+        note: value.note || ''
+      };
+    }
+    persistSessionMeta();
+    persistDraft();
+    ElMessage.success('联调快照已导入');
+  } catch {
+    ElMessage.error('联调快照格式无效');
+  }
+}
+
+function isFieldStatus(value: unknown): value is FieldStatus {
+  return value === 'PENDING' || value === 'PASS' || value === 'BLOCKED' || value === 'SKIP';
+}
+
 function downloadCsv(filename: string, rows: string[][]) {
   const content = rows.map((row) => row.map(csvCell).join(',')).join('\r\n');
-  const blob = new Blob([`\uFEFF${content}`], { type: 'text/csv;charset=utf-8' });
+  downloadText(filename, `\uFEFF${content}`, 'text/csv;charset=utf-8');
+}
+
+function downloadText(filename: string, content: string, type: string) {
+  const blob = new Blob([content], { type });
   const url = URL.createObjectURL(blob);
   const link = document.createElement('a');
   link.href = url;