feat: 重构 agentscope 缓存架构，新增消息和附件缓存

backend/tests/unit/core/agentscope/events/test_store.py

@@ -145,6 +145,38 @@ async def test_store_persists_tool_output_with_summary_as_content(
     assert append_kwargs["visibility_mask"] == (1 << 0)
 
 
+@pytest.mark.asyncio
+async def test_store_sets_history_only_visibility_for_automation_worker_output(
+    monkeypatch: pytest.MonkeyPatch,
+) -> None:
+    captured: dict[str, object] = {}
+    fake_chat_session = SimpleNamespace(state_snapshot={}, message_count=3)
+    _patch_repositories(monkeypatch, captured, fake_chat_session)
+
+    store = store_module.SqlAlchemyEventStore(session_factory=lambda: _FakeSessionCtx())
+    await store.persist(
+        {
+            "type": "TEXT_MESSAGE_END",
+            "threadId": "00000000-0000-0000-0000-000000000001",
+            "runId": "run-auto-1",
+            "messageId": "assistant-auto-1",
+            "role": "assistant",
+            "stage": "worker",
+            "runtime_mode": "automation",
+            "status": "success",
+            "answer": "automation-result",
+            "key_points": [],
+            "result_type": "summary",
+            "suggested_actions": [],
+            "error": None,
+        }
+    )
+
+    append_kwargs = cast(dict[str, Any], captured["append_kwargs"])
+    assert append_kwargs["content"] == "automation-result"
+    assert append_kwargs["visibility_mask"] == (1 << 0)
+
+
 @pytest.mark.asyncio
 async def test_store_persists_router_step_output_for_cost_tracking(
     monkeypatch: pytest.MonkeyPatch,