feat: 增强风险规则生成引擎与预算中心页面

后端拆分风险规则生成为解释器、语义分析、本体对齐等子模块，
优化模板执行和流程图生成，完善员工种子数据和导入逻辑，增强
报销单权限策略和草稿持久化，前端新增预算中心视图和趋势图
组件，重构审计页面和风险规则测试对话框交互，完善文档中心
和报销创建页面细节，补充单元测试覆盖。

server/tests/test_ontology_service.py

@@ -244,10 +244,10 @@ def test_semantic_ontology_service_matches_day3_evaluation_set(
         assert result.run_id.startswith("run_")
 
 
-def test_semantic_ontology_service_extracts_entities_time_and_constraints() -> None:
-    session_factory = build_session_factory()
-    with session_factory() as db:
-        result = SemanticOntologyService(db).parse(
+def test_semantic_ontology_service_extracts_entities_time_and_constraints() -> None:
+    session_factory = build_session_factory()
+    with session_factory() as db:
+        result = SemanticOntologyService(db).parse(
             OntologyParseRequest(
                 query="张三 2026年4月差旅报销金额超过5000元的明细",
                 user_id="pytest",
@@ -255,9 +255,30 @@ def test_semantic_ontology_service_extracts_entities_time_and_constraints() -> N
         )
 
         assert result.scenario == "expense"
-        assert result.intent == "query"
-        assert result.time_range.start_date == "2026-04-01"
-        assert result.time_range.end_date == "2026-04-30"
+        assert result.intent == "query"
+        assert result.time_range.start_date == "2026-04-01"
+        assert result.time_range.end_date == "2026-04-30"
+
+
+def test_semantic_ontology_service_extracts_new_document_numbers() -> None:
+    session_factory = build_session_factory()
+    with session_factory() as db:
+        result = SemanticOntologyService(db).parse(
+            OntologyParseRequest(
+                query="查询 RE-20260525103045-ABCDEFGH 和 AP-20260525113045-HGFEDCBA 的状态",
+                user_id="pytest",
+            )
+        )
+
+        claim_codes = {
+            item.normalized_value
+            for item in result.entities
+            if item.type == "expense_claim"
+        }
+        assert claim_codes == {
+            "RE-20260525103045-ABCDEFGH",
+            "AP-20260525113045-HGFEDCBA",
+        }
 
 
 def test_semantic_ontology_service_treats_travel_amount_question_as_knowledge_query() -> None: