fix: handle risk explanation standard adjustment

server/tests/test_expense_claim_service.py

@@ -19,7 +19,12 @@ from app.models.organization import OrganizationUnit
 from app.models.role import Role
 from app.schemas.ontology import OntologyParseRequest
 from app.schemas.ocr import OcrRecognizeBatchRead, OcrRecognizeDocumentRead
-from app.schemas.reimbursement import ExpenseClaimItemCreate, ExpenseClaimItemUpdate, ExpenseClaimUpdate
+from app.schemas.reimbursement import (
+    ExpenseClaimItemCreate,
+    ExpenseClaimItemUpdate,
+    ExpenseClaimStandardAdjustmentPayload,
+    ExpenseClaimUpdate,
+)
 from app.services.agent_conversations import AgentConversationService
 from app.services.budget import BudgetService
 from app.services.expense_claim_attachment_storage import ExpenseClaimAttachmentStorage
@@ -2615,6 +2620,77 @@ def test_submit_claim_runs_ai_review_and_routes_to_direct_manager() -> None:
         assert submitted.submitted_at is not None
 
 
+def test_accept_standard_adjustment_recalculates_claim_amount_and_preserves_on_submit() -> None:
+    current_user = CurrentUserContext(
+        username="emp-standard@example.com",
+        name="张三",
+        role_codes=[],
+        is_admin=False,
+    )
+
+    with build_session() as db:
+        manager = Employee(
+            employee_no="E7030",
+            name="李经理",
+            email="manager-standard@example.com",
+        )
+        employee = Employee(
+            employee_no="E7031",
+            name="张三",
+            email="emp-standard@example.com",
+            manager=manager,
+        )
+        claim = build_claim(expense_type="hotel", location="北京")
+        claim.employee = employee
+        claim.employee_id = employee.id
+        claim.amount = Decimal("880.00")
+        claim.items[0].item_type = "hotel_ticket"
+        claim.items[0].item_reason = "北京住宿"
+        claim.items[0].item_amount = Decimal("880.00")
+        db.add_all([manager, employee, claim])
+        db.commit()
+
+        service = ExpenseClaimService(db)
+        adjusted = service.accept_standard_adjustment(
+            claim_id=claim.id,
+            payload=ExpenseClaimStandardAdjustmentPayload(
+                risks=[
+                    {
+                        "risk_id": "risk-hotel-1",
+                        "item_id": claim.items[0].id,
+                        "title": "住宿超标待说明",
+                        "risk": "住宿标准为 600 元/晚，当前酒店识别金额约 880 元/晚。",
+                        "original_amount": Decimal("880.00"),
+                        "reimbursable_amount": Decimal("600.00"),
+                    }
+                ]
+            ),
+            current_user=current_user,
+        )
+
+        assert adjusted is not None
+        assert adjusted.amount == Decimal("600.00")
+        standard_flag = next(
+            flag
+            for flag in adjusted.risk_flags_json
+            if isinstance(flag, dict) and flag.get("source") == "reimbursement_standard_adjustment"
+        )
+        assert standard_flag["original_amount"] == "880.00"
+        assert standard_flag["reimbursable_amount"] == "600.00"
+        assert standard_flag["employee_absorbed_amount"] == "280.00"
+        assert standard_flag["visibility_scope"] == "leader"
+
+        submitted = service.submit_claim(claim.id, current_user)
+
+        assert submitted is not None
+        assert submitted.status == "submitted"
+        assert submitted.amount == Decimal("600.00")
+        assert any(
+            isinstance(flag, dict) and flag.get("source") == "reimbursement_standard_adjustment"
+            for flag in submitted.risk_flags_json
+        )
+
+
 def test_pre_review_claim_records_ai_result_without_submitting() -> None:
     current_user = CurrentUserContext(
         username="emp-pre-review@example.com",