feat: 新增预算中心本体与风险规则评分回填

后端新增预算本体解析模块和风险规则评分回填服务，优化规则
生成本体对齐和提示词构建，增强费用类型关键词和本体验证，
完善报销查询和审计接口，前端预算中心页面增加对话框和本
体工具函数，重构审计页面元数据和视图模型，补充单元测试。

server/src/app/services/agent_assets.py

@@ -37,6 +37,7 @@ from app.services.agent_asset_spreadsheet_helpers import AgentAssetSpreadsheetHe
 from app.services.agent_asset_timeline import AgentAssetTimelineMixin
 from app.services.agent_foundation import AgentFoundationService
 from app.services.audit import AuditLogService
+from app.services.risk_rule_score_backfill import backfill_missing_risk_rule_score
 
 logger = get_logger("app.services.agent_assets")
 
@@ -79,6 +80,11 @@ class AgentAssetService(
         asset = self.repository.get(asset_id)
         if asset is None:
             return None
+        try:
+            if backfill_missing_risk_rule_score(asset):
+                asset = self.repository.save_asset(asset)
+        except Exception:
+            logger.warning("Failed to backfill risk rule score asset_id=%s", asset_id, exc_info=True)
 
         working_version = self._resolve_working_version(asset)
         recent_versions = self._sort_versions(