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/pyproject.toml

@@ -8,18 +8,20 @@ version = "0.1.0"
 description = "Backend service for X-Financial reimbursement and approval platform."
 readme = "README.md"
 requires-python = ">=3.11"
-dependencies = [
-  "fastapi>=0.115.0,<1.0.0",
-  "uvicorn[standard]>=0.30.0,<1.0.0",
-  "sqlalchemy>=2.0.36,<3.0.0",
-  "alembic>=1.14.0,<2.0.0",
-  "psycopg[binary]>=3.2.0,<4.0.0",
-  "PyJWT>=2.9.0,<3.0.0",
-  "pydantic-settings>=2.6.0,<3.0.0",
-  "python-dotenv>=1.0.1,<2.0.0",
-  "email-validator>=2.2.0,<3.0.0",
-  "python-multipart>=0.0.20,<1.0.0",
-]
+dependencies = [
+  "fastapi>=0.115.0,<1.0.0",
+  "uvicorn[standard]>=0.30.0,<1.0.0",
+  "sqlalchemy>=2.0.36,<3.0.0",
+  "alembic>=1.14.0,<2.0.0",
+  "psycopg[binary]>=3.2.0,<4.0.0",
+  "PyJWT>=2.9.0,<3.0.0",
+  "pydantic-settings>=2.6.0,<3.0.0",
+  "python-dotenv>=1.0.1,<2.0.0",
+  "email-validator>=2.2.0,<3.0.0",
+  "python-multipart>=0.0.20,<1.0.0",
+  "lightrag-hku>=1.4.16,<1.5.0",
+  "qdrant-client>=1.18.0,<2.0.0",
+]
 
 [project.optional-dependencies]
 dev = [