refactor(server): user_agent/steward/ocr 等服务重构并适配关联任务

- user_agent 拆分 application/locations/knowledge/response/review 四个子模块，接入申请位置语义与关联草稿分支
- steward planner/runtime/slot/plan_builder 决策链路重构，travel_reimbursement_calculator/orchestrator_expense_query 适配
- ocr/document_preview/document_intelligence/receipt_folder 复用预览与资产缓存，expense_claim_draft_flow/application_handoff 适配
- pyproject.toml 新增依赖，paddleocr bootstrap 脚本与 server_start.sh 调整
- 更新差旅/交通/通信等财务规则表，同步 document_intelligence/ocr/receipt_folder/user_agent 等测试

server/src/app/services/user_agent_application_locations.py

@@ -2,7 +2,6 @@ from __future__ import annotations
 
 import re
 
-
 DIRECT_MUNICIPALITY_DISPLAY = {
     "北京": "北京市",
     "北京市": "北京市",
@@ -79,7 +78,7 @@ CITY_TO_PROVINCE = {
 }
 
 LOCATION_NOISE_PATTERN = re.compile(
-    r"(?:出差|驻场|现场|支撑|支持|部署|上线|实施|拜访|验收|会议|采购|培训|协助|处理|办理|参加|进行).*$"
+    r"(?:出差|驻场|现场|支撑|支持|辅助|部署|上线|实施|拜访|验收|会议|采购|培训|协助|处理|办理|参加|进行).*$"
 )