feat(server): 重构费用报销服务，优化报销单创建和审批流程逻辑

server/tests/test_expense_claim_service.py

@@ -187,6 +187,8 @@ def test_update_claim_item_reanalyzes_existing_attachment(monkeypatch, tmp_path)
         )
         assert uploaded_meta is not None
         assert uploaded_meta["analysis"]["severity"] == "pass"
+        assert uploaded_meta["document_info"]["document_type"] == "office_invoice"
+        assert uploaded_meta["requirement_check"]["matches"] is True
 
         updated = service.update_claim_item(
             claim_id=claim.id,
@@ -207,8 +209,9 @@ def test_update_claim_item_reanalyzes_existing_attachment(monkeypatch, tmp_path)
             current_user=current_user,
         )
         assert refreshed_meta is not None
-        assert refreshed_meta["analysis"]["severity"] == "medium"
-        assert any("用途字段" in point for point in refreshed_meta["analysis"]["points"])
+        assert refreshed_meta["analysis"]["severity"] == "high"
+        assert refreshed_meta["requirement_check"]["matches"] is False
+        assert any("附件类型要求" in point for point in refreshed_meta["analysis"]["points"])
 
 
 def test_delete_claim_item_removes_row_and_attachment_files(monkeypatch, tmp_path) -> None: