feat(M08-B): 补任务流水导出

admin/src/components/CleaningTasksPanel.vue

@@ -334,6 +334,11 @@
           <h3>操作流水</h3>
           <span>最近 {{ detailDialog.events.length }} 条</span>
         </header>
+        <div class="row-actions">
+          <el-button size="small" :icon="Download" :disabled="!detailDialog.events.length" @click="exportTaskEvents">
+            导出流水
+          </el-button>
+        </div>
         <el-table :data="detailDialog.events" size="small" v-loading="detailDialog.loadingEvents">
           <el-table-column prop="action" label="动作" width="130" />
           <el-table-column label="状态" width="150">
@@ -737,6 +742,24 @@ function exportTaskDetail() {
   ]);
 }
 
+function exportTaskEvents() {
+  const task = detailDialog.task;
+  if (!task) return;
+  downloadCsv(`cleaning-task-events-${task.taskNo}-${Date.now()}.csv`, [
+    ['任务号', '动作', '原状态', '新状态', '操作人', 'TraceId', '备注', '时间'],
+    ...detailDialog.events.map((event) => [
+      task.taskNo,
+      event.action,
+      event.fromStatus || '',
+      event.toStatus,
+      event.actorId,
+      event.traceId,
+      event.note,
+      shortDate(event.createdAt)
+    ])
+  ]);
+}
+
 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' });