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/utils/markdown.js

@@ -8,6 +8,76 @@ const markdown = new MarkdownIt({
 
 const defaultTableOpen = markdown.renderer.rules.table_open
 const defaultTableClose = markdown.renderer.rules.table_close
+const defaultParagraphOpen = markdown.renderer.rules.paragraph_open
+const defaultLinkOpen = markdown.renderer.rules.link_open
+const defaultBlockquoteOpen = markdown.renderer.rules.blockquote_open
+
+const ACTION_LINK_CLASS_BY_HREF = {
+  '#confirm-attachment-association': 'markdown-action-link-confirm'
+}
+
+function resolveActionLinkClass(href) {
+  const normalizedHref = String(href || '').trim()
+  return ACTION_LINK_CLASS_BY_HREF[normalizedHref] || ''
+}
+
+function inlineTokenHasActionLink(token) {
+  const children = Array.isArray(token?.children) ? token.children : []
+  return children.some((child) => (
+    child?.type === 'link_open' && resolveActionLinkClass(child.attrGet?.('href'))
+  ))
+}
+
+function resolveInlineTokenPlainText(token) {
+  const children = Array.isArray(token?.children) ? token.children : []
+  const childText = children
+    .filter((child) => ['text', 'code_inline'].includes(String(child?.type || '')))
+    .map((child) => String(child?.content || ''))
+    .join('')
+    .trim()
+  return childText || String(token?.content || '').replace(/[*_`]+/g, '').trim()
+}
+
+function blockquoteHasAttachmentHeading(tokens, idx) {
+  for (let i = idx + 1; i < tokens.length; i += 1) {
+    const token = tokens[i]
+    if (token?.type === 'blockquote_close') {
+      return false
+    }
+    if (token?.type === 'inline') {
+      return /^附件\s*\d+\s*[：:]/.test(resolveInlineTokenPlainText(token))
+    }
+  }
+  return false
+}
+
+markdown.renderer.rules.paragraph_open = (tokens, idx, options, env, self) => {
+  if (inlineTokenHasActionLink(tokens[idx + 1])) {
+    tokens[idx].attrJoin('class', 'markdown-action-paragraph')
+  }
+  return defaultParagraphOpen
+    ? defaultParagraphOpen(tokens, idx, options, env, self)
+    : self.renderToken(tokens, idx, options)
+}
+
+markdown.renderer.rules.link_open = (tokens, idx, options, env, self) => {
+  const actionClass = resolveActionLinkClass(tokens[idx].attrGet('href'))
+  if (actionClass) {
+    tokens[idx].attrJoin('class', `markdown-action-link ${actionClass}`)
+  }
+  return defaultLinkOpen
+    ? defaultLinkOpen(tokens, idx, options, env, self)
+    : self.renderToken(tokens, idx, options)
+}
+
+markdown.renderer.rules.blockquote_open = (tokens, idx, options, env, self) => {
+  if (blockquoteHasAttachmentHeading(tokens, idx)) {
+    tokens[idx].attrJoin('class', 'markdown-attachment-card')
+  }
+  return defaultBlockquoteOpen
+    ? defaultBlockquoteOpen(tokens, idx, options, env, self)
+    : self.renderToken(tokens, idx, options)
+}
 
 markdown.renderer.rules.table_open = (tokens, idx, options, env, self) => (
   `<div class="markdown-table-wrap">${defaultTableOpen ? defaultTableOpen(tokens, idx, options, env, self) : '<table>'}`