feat: 小财管家意图规划与报销提交编排增强

- 完善管家意图识别、模型计划构建与规划器调度
- 重构差旅报销提交编排器与管家计划流程前端交互
- 优化报销消息项样式与文档中心视图
- 新增小财管家与附件上传风险前置复核设计文档
- 补充管家规划器与文档中心测试覆盖

web/src/views/DocumentsCenterView.vue

@@ -562,9 +562,17 @@ const filteredRows = computed(() => {
 
 const totalPages = computed(() => Math.max(1, Math.ceil(filteredRows.value.length / pageSize.value)))
 const pageSummary = computed(() => `共 ${filteredRows.value.length} 条，目前第 ${currentPage.value} / ${totalPages.value} 页`)
+
+function resolveLiveDocumentRow(row) {
+  return {
+    ...row,
+    isNewDocument: isNewDocument(row, viewedDocumentKeys.value)
+  }
+}
+
 const visibleRows = computed(() => {
   const start = (currentPage.value - 1) * pageSize.value
-  return filteredRows.value.slice(start, start + pageSize.value)
+  return filteredRows.value.slice(start, start + pageSize.value).map(resolveLiveDocumentRow)
 })
 
 const documentLoadingSource = computed(() => (props.loading || supportingLoading.value) && !visibleRows.value.length)