feat: 报销审批流重构与管家计划全链路贯通

- 重构报销状态注册表、审批流路由与平台风险标记
- 完善管家意图规划器与模型计划构建器全链路
- 新增 OCR Worker 脚本、数据库会话管理与通知状态
- 优化文档中心、日志视图、预算中心与员工管理交互
- 增强工作台摘要、图标资源与全局主题样式
- 补充审批路由、状态注册、OCR 服务与管家规划器测试覆盖

server/src/app/api/v1/endpoints/ocr.py

@@ -4,6 +4,7 @@ from typing import Annotated
 
 from fastapi import APIRouter, Depends, File, Form, HTTPException, UploadFile, status
 from sqlalchemy.orm import Session
+from starlette.concurrency import run_in_threadpool
 
 from app.api.deps import CurrentUserContext, get_current_user, get_db
 from app.schemas.common import ErrorResponse
@@ -50,7 +51,7 @@ async def recognize_ocr_documents(
                     upload.content_type,
                 )
             )
-        result = OcrService(db).recognize_files(payload)
+        result = await run_in_threadpool(lambda: OcrService(db).recognize_files(payload))
         return ReceiptFolderService().persist_ocr_batch(
             files=payload,
             result=result,