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/assets/styles/views/travel-reimbursement-create-view.css

@@ -384,44 +384,118 @@
   gap: 12px;
 }
 
-.message-answer-content p {
+.message-answer-content :deep(p),
+.message-answer-content :deep(ul),
+.message-answer-content :deep(ol),
+.message-answer-content :deep(blockquote),
+.message-answer-content :deep(pre) {
   margin: 0;
 }
 
-.message-answer-table-wrap {
-  overflow-x: auto;
-  border: 1px solid #dbe4ee;
-  border-radius: 16px;
-  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
+.message-answer-markdown :deep(h1),
+.message-answer-markdown :deep(h2),
+.message-answer-markdown :deep(h3),
+.message-answer-markdown :deep(h4) {
+  margin: 0;
+  color: #0f172a;
+  line-height: 1.35;
 }
 
-.message-answer-table {
-  width: 100%;
-  min-width: 360px;
+.message-answer-markdown :deep(h1) {
+  font-size: 18px;
+}
+
+.message-answer-markdown :deep(h2) {
+  font-size: 16px;
+}
+
+.message-answer-markdown :deep(h3),
+.message-answer-markdown :deep(h4) {
+  font-size: 14px;
+}
+
+.message-answer-markdown :deep(p),
+.message-answer-markdown :deep(li) {
+  line-height: 1.7;
+}
+
+.message-answer-markdown :deep(ul),
+.message-answer-markdown :deep(ol) {
+  padding-left: 22px;
+}
+
+.message-answer-markdown :deep(strong) {
+  color: #0f172a;
+}
+
+.message-answer-markdown :deep(blockquote) {
+  padding: 10px 12px;
+  border-left: 4px solid #93c5fd;
+  border-radius: 0 12px 12px 0;
+  background: #eff6ff;
+  color: #475569;
+}
+
+.message-answer-markdown :deep(code) {
+  padding: 2px 6px;
+  border-radius: 6px;
+  background: #e2e8f0;
+  font-size: 12px;
+}
+
+.message-answer-markdown :deep(pre) {
+  overflow-x: auto;
+  padding: 12px;
+  border-radius: 14px;
+  background: #0f172a;
+  color: #e2e8f0;
+}
+
+.message-answer-markdown :deep(pre code) {
+  padding: 0;
+  background: transparent;
+  color: inherit;
+}
+
+.message-answer-markdown :deep(a) {
+  color: #2563eb;
+  text-decoration: underline;
+}
+
+.message-answer-markdown {
+  overflow-x: auto;
+}
+
+.message-answer-markdown :deep(table) {
+  width: auto;
+  max-width: 100%;
+  border: 1px solid #dbe4ee;
+  border-radius: 16px;
   border-collapse: collapse;
-  overflow: hidden;
+  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
   font-size: 13px;
 }
 
-.message-answer-table th,
-.message-answer-table td {
+.message-answer-markdown :deep(th),
+.message-answer-markdown :deep(td) {
   padding: 10px 12px;
   border-bottom: 1px solid #e2e8f0;
   text-align: left;
+  white-space: nowrap;
 }
 
-.message-answer-table th {
+.message-answer-markdown :deep(th) {
   background: #eff6ff;
   color: #0f172a;
   font-weight: 850;
 }
 
-.message-answer-table td {
+.message-answer-markdown :deep(td) {
   color: #334155;
   font-weight: 650;
 }
 
-.message-answer-table tbody tr:last-child td {
+.message-answer-markdown :deep(tbody tr:last-child td) {
   border-bottom: 0;
 }