feat(agent): 增强多模态链路与工具调用能力

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

@@ -99,6 +99,16 @@ async def test_store_persists_assistant_message_and_aggregates(
 
     store = store_module.SqlAlchemyEventStore(session_factory=lambda: _FakeSessionCtx())
 
+    await store.persist(
+        {
+            "type": "TEXT_MESSAGE_START",
+            "threadId": "00000000-0000-0000-0000-000000000001",
+            "runId": "run-1",
+            "messageId": "assistant-run-1",
+            "role": "assistant",
+            "stage": "report",
+        }
+    )
     await store.persist(
         {
             "type": "TEXT_MESSAGE_CONTENT",
@@ -128,6 +138,8 @@ async def test_store_persists_assistant_message_and_aggregates(
     assert append_kwargs["output_tokens"] == 5
     assert append_kwargs["cost"] == Decimal("0.123")
     assert append_kwargs["metadata"]["latency_ms"] == 250
+    assert append_kwargs["metadata"]["stage"] == "report"
+    assert append_kwargs["latency_ms"] == 250
     assert captured["message_delta"] == 1
     assert captured["token_delta"] == 8
     assert captured["cost_delta"] == Decimal("0.123")
@@ -255,6 +267,60 @@ async def test_store_clears_buffer_on_run_finished(
     assert "append_kwargs" not in captured
 
 
+@pytest.mark.asyncio
+async def test_store_persists_tool_call_result_as_tool_message(
+    monkeypatch: pytest.MonkeyPatch,
+) -> None:
+    captured: dict[str, object] = {}
+    fake_chat_session = SimpleNamespace(state_snapshot={}, message_count=2)
+
+    class _FakeSessionRepository:
+        def __init__(self, session: object) -> None:
+            del session
+
+        async def get_session(self, *, session_id):  # noqa: ANN001
+            del session_id
+            return fake_chat_session
+
+        async def lock_session_for_update(self, *, session_id):  # noqa: ANN001
+            del session_id
+            return fake_chat_session
+
+        async def update_runtime_state(self, **kwargs):  # noqa: ANN003
+            captured.update(kwargs)
+
+    class _FakeMessageRepository:
+        def __init__(self, session: object) -> None:
+            del session
+
+        async def append_message(self, **kwargs):  # noqa: ANN003
+            captured["append_kwargs"] = kwargs
+
+    monkeypatch.setattr(store_module, "SessionRepository", _FakeSessionRepository)
+    monkeypatch.setattr(store_module, "MessageRepository", _FakeMessageRepository)
+    monkeypatch.setattr(store_module, "AgentChatSessionStatus", _SessionStatus)
+
+    store = store_module.SqlAlchemyEventStore(session_factory=lambda: _FakeSessionCtx())
+    await store.persist(
+        {
+            "type": "TOOL_CALL_RESULT",
+            "threadId": "00000000-0000-0000-0000-000000000001",
+            "runId": "run-1",
+            "toolName": "calendar_write",
+            "taskId": "t1",
+            "stage": "execution",
+            "args": {"title": "A"},
+            "result": {"event_id": "evt-1"},
+        }
+    )
+
+    append_kwargs = cast(dict[str, Any], captured["append_kwargs"])
+    assert getattr(append_kwargs["role"], "value", None) == "tool"
+    assert append_kwargs["tool_name"] == "calendar_write"
+    assert append_kwargs["metadata"]["task_id"] == "t1"
+    assert captured["message_delta"] == 1
+
+
 @pytest.mark.asyncio
 async def test_store_drops_buffer_when_session_missing(
     monkeypatch: pytest.MonkeyPatch,