feat: 重构报销单AI预审流程并添加平台风险规则引擎

- 将AI验审改为AI预审，高风险不再拦截而是随单流转给审批人复核
- 新增平台风险规则评估引擎，支持事由过短、票据异常、重复发票等多种评估器
- 用户上下文增加部门信息(department_name)，认证流程同步关联组织架构
- 规则scenario_json改为中文标签(差旅/费用科目)，统一场景分类
- 新增orchestrator审核流程测试用例
- 前端更新审计视图、差旅报销等相关页面

server/tests/test_agent_asset_service.py

@@ -30,7 +30,9 @@ from app.schemas.agent_asset import (
     AgentAssetVersionCreate,
 )
 from app.services.agent_asset_spreadsheet import (
+    COMPANY_COMMUNICATION_EXPENSE_RULE_CODE,
     COMPANY_COMMUNICATION_EXPENSE_RULE_FILENAME,
+    COMPANY_TRAVEL_EXPENSE_RULE_CODE,
     COMPANY_TRAVEL_EXPENSE_RULE_FILENAME,
     FINANCE_RULES_LIBRARY,
 )
@@ -145,6 +147,26 @@ def test_agent_asset_service_seeds_all_foundation_asset_types() -> None:
         assert len(service.list_assets(asset_type=AgentAssetType.TASK.value)) >= 3
 
 
+def test_finance_rules_use_risk_rule_scenario_categories() -> None:
+    with build_session() as db:
+        service = AgentAssetService(db)
+
+        rules = service.list_assets(asset_type=AgentAssetType.RULE.value)
+        travel_rule = next(item for item in rules if item.code == COMPANY_TRAVEL_EXPENSE_RULE_CODE)
+        communication_rule = next(
+            item for item in rules if item.code == COMPANY_COMMUNICATION_EXPENSE_RULE_CODE
+        )
+        travel_config = travel_rule.config_json or {}
+        communication_config = communication_rule.config_json or {}
+
+        assert travel_rule.scenario_json == ["差旅"]
+        assert travel_config["scenario_category"] == "差旅"
+        assert travel_config["ai_review_category"] == "差旅"
+        assert communication_rule.scenario_json == ["费用科目"]
+        assert communication_config["scenario_category"] == "费用科目"
+        assert communication_config["ai_review_category"] == "费用科目"
+
+
 def test_agent_asset_service_can_activate_rule_after_review() -> None:
     with build_session() as db:
         service = AgentAssetService(db)