feat: 重构知识库系统，移除Hermes集成，增强RAG和同步功能

主要变更:
- 移除Hermes智能体及相关回调服务
- 新增知识库RAG、同步、调度、规范化和索引任务服务
- 重构orchestrator服务，增强运行时聊天功能
- 更新前端聊天、政策制度、设置等页面样式和逻辑
- 更新expense_claims和document_intelligence服务
- 删除llm_wiki相关服务和测试文件
- 更新docker-compose配置和启动脚本

web/src/views/scripts/TravelReimbursementCreateView.js

@@ -6,6 +6,7 @@ import { useSystemState } from '../../composables/useSystemState.js'
 import { useToast } from '../../composables/useToast.js'
 import { recognizeOcrFiles } from '../../services/ocr.js'
 import { clearUserConversations, deleteConversation, fetchLatestConversation, runOrchestrator } from '../../services/orchestrator.js'
+import { renderMarkdown } from '../../utils/markdown.js'
 import {
   fetchExpenseClaimAttachmentAsset,
   fetchExpenseClaimDetail,
@@ -228,69 +229,6 @@ function createMessage(role, text, attachments = [], extras = {}) {
   }
 }
 
-function isMarkdownTableDivider(line = '') {
-  const value = String(line || '').trim()
-  if (!value.includes('|')) return false
-  return /^\|?\s*:?-{3,}:?\s*(\|\s*:?-{3,}:?\s*)+\|?$/.test(value)
-}
-
-function splitMarkdownTableRow(line = '') {
-  return String(line || '')
-    .trim()
-    .replace(/^\|/, '')
-    .replace(/\|$/, '')
-    .split('|')
-    .map((cell) => cell.trim())
-}
-
-function buildAnswerBlocks(text = '') {
-  const lines = String(text || '').replace(/\r\n/g, '\n').split('\n')
-  const blocks = []
-  let index = 0
-
-  while (index < lines.length) {
-    const line = lines[index].trim()
-    if (!line) {
-      index += 1
-      continue
-    }
-
-    if (
-      line.includes('|') &&
-      index + 1 < lines.length &&
-      isMarkdownTableDivider(lines[index + 1])
-    ) {
-      const headers = splitMarkdownTableRow(line)
-      const rows = []
-      index += 2
-      while (index < lines.length && lines[index].includes('|') && lines[index].trim()) {
-        rows.push(splitMarkdownTableRow(lines[index]))
-        index += 1
-      }
-      blocks.push({ type: 'table', headers, rows })
-      continue
-    }
-
-    const paragraphLines = [line]
-    index += 1
-    while (
-      index < lines.length &&
-      lines[index].trim() &&
-      !(
-        lines[index].includes('|') &&
-        index + 1 < lines.length &&
-        isMarkdownTableDivider(lines[index + 1])
-      )
-    ) {
-      paragraphLines.push(lines[index].trim())
-      index += 1
-    }
-    blocks.push({ type: 'paragraph', text: paragraphLines.join(' ') })
-  }
-
-  return blocks
-}
-
 function formatMessageTime(value) {
   if (!value) {
     return nowTime()
@@ -3424,31 +3362,39 @@ export default {
         }
 
         const backendMessage = buildBackendMessage(rawText, effectiveFileNames, effectiveOcrSummary)
-        const payload = await runOrchestrator({
-          source: 'user_message',
-          user_id: user.username || user.name || 'anonymous',
-          conversation_id: conversationId.value || null,
-          message: backendMessage,
-          context_json: {
-            role_codes: Array.isArray(user.roleCodes) ? user.roleCodes : [],
-            is_admin: Boolean(user.isAdmin),
-            name: user.name || '',
-            role: user.role || '',
-            position: user.position || '',
-            grade: user.grade || '',
-            ...buildClientTimeContext(),
-            session_type: activeSessionType.value,
-            entry_source: props.entrySource,
-            user_input_text: systemGenerated ? '' : rawText,
-            attachment_names: effectiveFileNames,
-            attachment_count: effectiveFileNames.length,
-            draft_claim_id: isKnowledgeSession.value ? undefined : draftClaimId.value || undefined,
-            ocr_summary: effectiveOcrSummary,
-            ocr_documents: effectiveOcrDocuments,
-            ...(linkedRequest.value && !isKnowledgeSession.value ? { request_context: linkedRequest.value } : {}),
-            ...extraContext
-          }
-        })
+        const payload = await runOrchestrator(
+          {
+            source: 'user_message',
+            user_id: user.username || user.name || 'anonymous',
+            conversation_id: conversationId.value || null,
+            message: backendMessage,
+            context_json: {
+              role_codes: Array.isArray(user.roleCodes) ? user.roleCodes : [],
+              is_admin: Boolean(user.isAdmin),
+              name: user.name || '',
+              role: user.role || '',
+              position: user.position || '',
+              grade: user.grade || '',
+              ...buildClientTimeContext(),
+              session_type: activeSessionType.value,
+              entry_source: props.entrySource,
+              user_input_text: systemGenerated ? '' : rawText,
+              attachment_names: effectiveFileNames,
+              attachment_count: effectiveFileNames.length,
+              draft_claim_id: isKnowledgeSession.value ? undefined : draftClaimId.value || undefined,
+              ocr_summary: effectiveOcrSummary,
+              ocr_documents: effectiveOcrDocuments,
+              ...(linkedRequest.value && !isKnowledgeSession.value ? { request_context: linkedRequest.value } : {}),
+              ...extraContext
+            }
+          },
+          isKnowledgeSession.value
+            ? {
+                timeoutMs: 18000,
+                timeoutMessage: '知识问答整理超时，已停止等待。建议缩小问题范围或稍后重试。'
+              }
+            : {}
+        )
         responsePayload = payload
 
         conversationId.value = String(payload?.conversation_id || '').trim() || conversationId.value
@@ -3852,7 +3798,7 @@ export default {
       buildReviewRiskHint,
       buildReviewActionHint,
       buildReviewStatusTag,
-      buildAnswerBlocks,
+      renderMarkdown,
       buildExpenseQueryWindowLabel,
       buildExpenseQueryHint,
       getExpenseQueryActivePage,