feat: 新增归档中心页面并完善知识库与报销查询能力

新增前端归档中心视图及相关工具函数，扩充知识库文档分类和
提取器支持多种格式，增强编排器报销查询的多维度检索，优
化本体规则和用户代理审核消息，前端完善报销创建和审批详
情交互细节，补充单元测试覆盖。

web/src/views/scripts/travelReimbursementReviewModel.js

@@ -1260,6 +1260,19 @@ const REVIEW_PENDING_SUMMARY_TEMPLATES = [
   ({ issueSummary }) => `本次报销还有 ${issueSummary}，请先检查下面的补充项；想先留存当前识别结果时可以点“草稿”。`
 ]
 
+const REVIEW_SAVED_DRAFT_PENDING_SUMMARY_TEMPLATES = [
+  ({ issueSummary }) => `当前还有 ${issueSummary}。草稿已保存，后续上传票据时请关联这张草稿，补齐后再继续提交审批。`,
+  ({ issueSummary }) => `这张草稿仍有 ${issueSummary} 需要补充。您可以继续上传或关联票据，系统会归集到已保存草稿中。`,
+  ({ issueSummary }) => `草稿已生成，当前还差 ${issueSummary}。请按下方提示补充字段或票据，完整后再进入下一步。`,
+  ({ issueSummary }) => `草稿已经留存，下面还有 ${issueSummary} 待处理。新增附件请关联当前草稿，避免重复建单。`,
+  ({ issueSummary }) => `当前草稿还有 ${issueSummary}。建议先补齐金额、票据等信息，再从草稿详情继续提交审批。`,
+  ({ issueSummary }) => `已保留当前进度，这笔草稿还需要 ${issueSummary}。后续补充内容会作为该草稿的更新处理。`,
+  ({ issueSummary }) => `这张单据已进入草稿状态，仍有 ${issueSummary}。请继续补充必要信息，补齐后再发起正式提交。`,
+  ({ issueSummary }) => `草稿保存完成后，当前还剩 ${issueSummary}。上传附件时请选择关联这张草稿，系统会继续合并识别结果。`,
+  ({ issueSummary }) => `当前草稿待完善：${issueSummary}。请先处理下方项目，确认完整后再继续下一步。`,
+  ({ issueSummary }) => `这笔草稿还存在 ${issueSummary}。可以继续补充票据和字段，系统会围绕已保存草稿继续更新。`
+]
+
 function buildStableTemplateIndex(signature, total) {
   const source = String(signature || '')
   let hash = 0
@@ -1269,7 +1282,7 @@ function buildStableTemplateIndex(signature, total) {
   return total ? hash % total : 0
 }
 
-function buildReviewPendingSummary(pendingCount, riskCount, signature = '') {
+function buildReviewPendingSummary(pendingCount, riskCount, signature = '', options = {}) {
   const issueParts = []
   if (pendingCount) {
     issueParts.push(`${pendingCount} 项信息待补充`)
@@ -1278,11 +1291,15 @@ function buildReviewPendingSummary(pendingCount, riskCount, signature = '') {
     issueParts.push(`${riskCount} 条风险提醒`)
   }
   const issueSummary = issueParts.length ? issueParts.join('、') : '一些细节还需要进一步确认'
-  const templateIndex = buildStableTemplateIndex(signature || issueSummary, REVIEW_PENDING_SUMMARY_TEMPLATES.length)
-  return REVIEW_PENDING_SUMMARY_TEMPLATES[templateIndex]({ issueSummary })
+  const templates = options.savedDraft
+    ? REVIEW_SAVED_DRAFT_PENDING_SUMMARY_TEMPLATES
+    : REVIEW_PENDING_SUMMARY_TEMPLATES
+  const templateIndex = buildStableTemplateIndex(signature || issueSummary, templates.length)
+  return templates[templateIndex]({ issueSummary })
 }
 
-export function buildReviewPlainFollowupCopy(reviewPayload) {
+export function buildReviewPlainFollowupCopy(reviewPayload, options = {}) {
+  const savedDraft = Boolean(options?.savedDraft)
   const todoItems = buildReviewTodoItems(reviewPayload)
   const pendingCount = countReviewPendingItems(reviewPayload)
   const riskBriefs = resolvePresentationRiskBriefs(reviewPayload)
@@ -1297,7 +1314,9 @@ export function buildReviewPlainFollowupCopy(reviewPayload) {
     return {
       lead: '补充信息：',
       tone: 'danger',
-      summary: buildReviewPendingSummary(pendingCount || extraMissingCount, riskBriefs.length, summarySignature),
+      summary: buildReviewPendingSummary(pendingCount || extraMissingCount, riskBriefs.length, summarySignature, {
+        savedDraft
+      }),
       items: todoItems.map((item) => buildReviewPlainFollowupItem(item, true)),
       notes: []
     }