test(backend): update service tests

- test_orchestrator_service.py: update orchestrator service tests
- test_settings_persistence.py: update settings persistence tests
- test_user_agent_service.py: update user agent service tests

server/tests/test_user_agent_service.py

@@ -177,3 +177,72 @@ def test_user_agent_draft_returns_structured_payload() -> None:
         assert response.draft_payload is not None
         assert response.draft_payload.confirmation_required is True
         assert "待人工确认" in response.answer
+
+
+def test_user_agent_builds_review_payload_for_multi_document_expense_flow() -> None:
+    session_factory = build_session_factory()
+    with session_factory() as db:
+        ontology = SemanticOntologyService(db).parse(
+            OntologyParseRequest(
+                query="我昨天去上海出差，还请客户A吃饭，帮我生成报销草稿",
+                user_id="pytest",
+                context_json={
+                    "attachment_names": ["机票行程单.png", "餐饮发票.jpg"],
+                    "attachment_count": 2,
+                    "ocr_documents": [
+                        {
+                            "filename": "机票行程单.png",
+                            "summary": "机票行程单 上海-北京 金额 680 元",
+                            "text": "机票行程单 上海-北京 金额 680 元",
+                            "avg_score": 0.93,
+                            "warnings": [],
+                        },
+                        {
+                            "filename": "餐饮发票.jpg",
+                            "summary": "餐饮发票 客户招待 金额 320 元",
+                            "text": "餐饮发票 客户招待 金额 320 元",
+                            "avg_score": 0.91,
+                            "warnings": [],
+                        },
+                    ],
+                },
+            )
+        )
+        response = UserAgentService(db).respond(
+            UserAgentRequest(
+                run_id=ontology.run_id,
+                user_id="pytest",
+                message="我昨天去上海出差，还请客户A吃饭，帮我生成报销草稿",
+                ontology=ontology,
+                context_json={
+                    "name": "张三",
+                    "attachment_names": ["机票行程单.png", "餐饮发票.jpg"],
+                    "attachment_count": 2,
+                    "ocr_documents": [
+                        {
+                            "filename": "机票行程单.png",
+                            "summary": "机票行程单 上海-北京 金额 680 元",
+                            "text": "机票行程单 上海-北京 金额 680 元",
+                            "avg_score": 0.93,
+                            "warnings": [],
+                        },
+                        {
+                            "filename": "餐饮发票.jpg",
+                            "summary": "餐饮发票 客户招待 金额 320 元",
+                            "text": "餐饮发票 客户招待 金额 320 元",
+                            "avg_score": 0.91,
+                            "warnings": [],
+                        },
+                    ],
+                },
+                tool_payload={"draft_only": True, "claim_no": "EXP-202605-009", "status": "draft"},
+            )
+        )
+
+        assert response.review_payload is not None
+        assert len(response.review_payload.document_cards) == 2
+        assert len(response.review_payload.claim_groups) == 2
+        assert any(
+            item.action_type == "split_claims"
+            for item in response.review_payload.confirmation_actions
+        )