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/ontology_validation.py

@@ -12,7 +12,6 @@ from app.schemas.ontology import (
     OntologyTimeRange,
 )
 from app.services.ontology_rules import (
-    AMOUNT_PATTERN,
     EXPENSE_REVIEW_ACTIONS,
     MISSING_SLOT_LABELS,
     OPERATE_KEYWORDS,
@@ -37,6 +36,14 @@ class OntologyValidationMixin:
             append("invoice_anomaly")
         if any(keyword in compact_query for keyword in ("超标", "超预算", "超限")):
             append("amount_over_limit")
+        if scenario == "budget" and any(
+            keyword in compact_query for keyword in ("预算不足", "超预算", "超支")
+        ):
+            append("budget_over_limit")
+        if scenario == "budget" and any(
+            keyword in compact_query for keyword in ("预算预警", "触发预警", "接近预算")
+        ):
+            append("budget_warning")
         if scenario == "accounts_receivable" and any(
             keyword in compact_query for keyword in ("逾期", "账龄", "欠款", "未回款")
         ):