feat: 本体字段治理与风险规则模板执行器重构

- 新增本体字段注册表与字段治理审计脚本
- 重构风险规则模板执行器、DSL 验证与清单分类器
- 完善票据夹服务与差旅请求详情页交互
- 优化趋势图表与总览页数据展示
- 增强报销平台风险分级与模拟公司筛选
- 补充本体字段、风险规则生成与票据夹服务测试覆盖

server/tests/test_receipt_folder_service.py

@@ -1,5 +1,7 @@
 from __future__ import annotations
 
+import pytest
+
 from app.api.deps import CurrentUserContext
 from app.core.config import get_settings
 from app.schemas.ocr import OcrRecognizeDocumentRead
@@ -67,3 +69,41 @@ def test_receipt_folder_train_ticket_uses_invoice_date_and_enriches_fields(monke
         assert fields["列车出发时间"] == "2026-02-20 08:30"
     finally:
         get_settings.cache_clear()
+
+
+def test_receipt_folder_delete_receipts_for_claim_removes_linked_receipts(monkeypatch, tmp_path) -> None:
+    monkeypatch.setenv("STORAGE_ROOT_DIR", str(tmp_path / "storage"))
+    get_settings.cache_clear()
+    try:
+        current_user = CurrentUserContext(
+            username="pytest",
+            name="Py Test",
+            role_codes=[],
+            is_admin=False,
+        )
+        service = ReceiptFolderService()
+        receipt = service.save_receipt(
+            filename="linked-receipt.pdf",
+            content=b"%PDF-1.4 linked",
+            media_type="application/pdf",
+            current_user=current_user,
+            linked_claim_id="claim-1",
+            linked_claim_no="RE-001",
+            linked_item_id="item-1",
+            document=OcrRecognizeDocumentRead(
+                filename="linked-receipt.pdf",
+                media_type="application/pdf",
+                text="invoice number 123 amount 100",
+                document_type="vat_invoice",
+                document_type_label="invoice",
+                scene_code="other",
+                scene_label="receipt",
+            ),
+        )
+
+        assert service.get_receipt(receipt.id, current_user).linked_claim_id == "claim-1"
+        assert service.delete_receipts_for_claim("claim-1") == 1
+        with pytest.raises(FileNotFoundError):
+            service.get_receipt(receipt.id, current_user)
+    finally:
+        get_settings.cache_clear()