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

server/storage/knowledge/.index.json

@@ -15,8 +15,12 @@
       "uploaded_by": "admin",
       "version_number": 1,
       "ingest_status": 3,
-      "ingest_status_updated_at": "2026-05-16T01:48:21.849424+00:00",
-      "ingest_agent_run_id": "run_a7b447f69939442f"
+      "ingest_status_updated_at": "2026-05-16T15:37:12.723203+00:00",
+      "ingest_agent_run_id": "run_94562b13f7a54341",
+      "ingest_completed_at": "2026-05-16T15:37:12.723203+00:00",
+      "ingest_document_name": "远光《公司支出管理办法（2024）》.pdf",
+      "ingest_document_updated_at": "2026-05-09T08:39:53.788042+00:00",
+      "ingest_document_sha256": "67a74538bce0dec71ccbb947256cc2c9c0e672d148de49406b967ae1379dbece"
     }
   ]
 }