feat: 扩展风险规则体系、审批动态路由与预算中心列表化改造

- 新增 25+ 条风险规则（预算/报销/申请/通用类），完善风险规则模拟与反馈发布机制
- 引入费用审批动态路由、平台风险分级、预审与风险阶段管理
- 预算中心列表化改造，优化票据夹仪表盘与数字员工工作看板
- 新增 Hermes 风险线索收集器、Agent 链路追踪中心
- 扩展数字员工能力库（18 个领域 Skill）与交通费用自动预估
- 完善报销申请快速预览、权限控制与前端测试覆盖

server/src/app/db/base.py

@@ -1,8 +1,14 @@
 from app.db.base_class import Base
 from app.models.agent_conversation import AgentConversation, AgentConversationMessage
-from app.models.agent_asset import AgentAsset, AgentAssetReview, AgentAssetTestRun, AgentAssetVersion
+from app.models.agent_asset import (
+    AgentAsset,
+    AgentAssetReview,
+    AgentAssetRuleFeedback,
+    AgentAssetTestRun,
+    AgentAssetVersion,
+)
 from app.models.agent_feedback import AgentOperationFeedback
-from app.models.agent_run import AgentRun, AgentToolCall, SemanticParseLog
+from app.models.agent_run import AgentRun, AgentToolCall, AgentTraceEvent, SemanticParseLog
 from app.models.approval import ApprovalRecord
 from app.models.audit_log import AuditLog
 from app.models.budget import BudgetAllocation, BudgetReservation, BudgetTransaction
@@ -34,11 +40,13 @@ __all__ = [
     "AgentConversationMessage",
     "AgentAsset",
     "AgentAssetReview",
+    "AgentAssetRuleFeedback",
     "AgentAssetTestRun",
     "AgentAssetVersion",
     "AgentOperationFeedback",
     "AgentRun",
     "AgentToolCall",
+    "AgentTraceEvent",
     "ApprovalRecord",
     "AuditLog",
     "BudgetAllocation",