feat: 小财管家意图规划与报销提交编排增强

- 完善管家意图识别、模型计划构建与规划器调度
- 重构差旅报销提交编排器与管家计划流程前端交互
- 优化报销消息项样式与文档中心视图
- 新增小财管家与附件上传风险前置复核设计文档
- 补充管家规划器与文档中心测试覆盖

server/src/app/services/steward_model_plan_builder.py

@@ -307,7 +307,7 @@ class StewardModelPlanBuilder:
             return "travel"
         if normalized in {"transport", "traffic", "交通", "交通费", "打车", "出租车"}:
             return "transport"
-        if normalized in {"entertainment", "meal", "招待", "接待", "餐饮", "业务招待"}:
+        if normalized in {"entertainment", "meal", "招待", "招待费", "接待", "接待费", "餐饮", "业务招待", "业务招待费"}:
             return "entertainment"
         if normalized in {"office", "办公", "办公用品"}:
             return "office"