feat: 本体字段治理与风险规则模板执行器重构

- 新增本体字段注册表与字段治理审计脚本
- 重构风险规则模板执行器、DSL 验证与清单分类器
- 完善票据夹服务与差旅请求详情页交互
- 优化趋势图表与总览页数据展示
- 增强报销平台风险分级与模拟公司筛选
- 补充本体字段、风险规则生成与票据夹服务测试覆盖

server/src/app/services/agent_foundation.py

@@ -124,6 +124,12 @@ class AgentFoundationService(
                     "ON expense_claims (hermes_risk_flag)"
                 )
             )
+        if "expense_claim_items" in inspector.get_table_names():
+            item_column_names = {column["name"] for column in inspector.get_columns("expense_claim_items")}
+            if "item_note" not in item_column_names:
+                self.db.execute(
+                    text("ALTER TABLE expense_claim_items ADD COLUMN item_note TEXT DEFAULT '' NOT NULL")
+                )
         self.db.flush()
 
     def _sync_demo_financial_records(self) -> None: