修复风控时间口径与Agent截断提示

tests/unit/service/test_risk_notification_service.py

@@ -1,5 +1,7 @@
 from datetime import datetime
 
+import pytest
+
 from app.model.fund import FundRiskAlert
 from app.service.risk_notification_service import RiskNotificationService
 
@@ -77,3 +79,47 @@ def test_high_risk_batch_creates_in_app_and_mail_records() -> None:
 
     assert len(records) == 2
     assert {record.channel for record in records} == {"站内提醒", "邮件"}
+
+
+@pytest.mark.asyncio
+async def test_notification_list_interprets_time_as_local_time(monkeypatch) -> None:
+    from app.api.schemas.risk import RiskNotificationPageQuery
+    from app.core.contracts import RequestContext
+    from app.repository.fund_query_repository import FundPage
+
+    captured: dict = {}
+
+    class StubRepository:
+        def __init__(self, _session, *, scope) -> None:
+            self.scope = scope
+
+        async def list_notifications(self, **kwargs) -> FundPage:
+            captured.update(kwargs)
+            return FundPage(
+                entity="risk_notification",
+                items=(),
+                limit=10,
+                offset=0,
+                next_offset=None,
+            )
+
+    monkeypatch.setattr(
+        "app.service.risk_notification_service.RiskRepository",
+        StubRepository,
+    )
+    service = RiskNotificationService(object())
+    query = RiskNotificationPageQuery(
+        start_time=datetime(2026, 9, 10, 12, 0),
+        end_time=datetime(2026, 9, 10, 13, 0),
+    )
+    context = RequestContext(
+        user_id="990000002",
+        trace_id="trace",
+        permissions=("risk:alert:read",),
+        data_scope="all",
+    )
+
+    await service.list_notifications(context, query)
+
+    assert captured["start_time"] == datetime(2026, 9, 10, 4, 0)
+    assert captured["end_time"] == datetime(2026, 9, 10, 5, 0)