test: 更新 AgentScope 相关单元测试与集成测试

- 重命名 test_react_runner.py 为 test_runner.py
- 新增 test_utils.py 测试工具函数
- 更新现有测试用例适配新架构

backend/tests/unit/v1/agent/test_service.py

@@ -1,6 +1,7 @@
 from __future__ import annotations
 
 from datetime import date
+from typing import cast
 from urllib.parse import quote
 from uuid import UUID
 
@@ -11,6 +12,7 @@ import pytest
 import v1.agent.service as agent_service_module
 from core.auth.models import CurrentUser
 from core.config.settings import config
+from schemas.messages.chat_message import AgentChatMessageMetadata
 from v1.agent.service import AgentService
 
 
@@ -50,15 +52,13 @@ class _FakeRepository:
         self,
         *,
         session_id: str,
-        run_id: str,
-        content_text: str,
-        metadata: dict[str, object] | None,
+        content: str,
+        metadata: AgentChatMessageMetadata | None,
     ) -> None:
         self.persisted_user_messages.append(
             {
                 "session_id": session_id,
-                "run_id": run_id,
-                "content_text": content_text,
+                "content": content,
                 "metadata": metadata,
             }
         )
@@ -199,12 +199,17 @@ async def test_enqueue_run_persists_attachment_and_queue_without_user_token(
 
     assert accepted.task_id == "task-1"
     persisted = repository.persisted_user_messages[0]
-    metadata = persisted["metadata"]
-    assert isinstance(metadata, dict)
-    attachment = metadata["user_message_attachments"]
-    assert attachment["bucket"] == "agent-test-bucket"
+    metadata = cast(AgentChatMessageMetadata | None, persisted["metadata"])
+    assert metadata is not None
+    attachment = metadata.user_message_attachments
+    assert attachment is not None
+    assert attachment.bucket == "agent-test-bucket"
     command = queue.commands[0]
     assert "user_token" not in command
+    run_input = command["run_input"]
+    assert isinstance(run_input, dict)
+    assert run_input["threadId"] == "00000000-0000-0000-0000-000000000001"
+    assert run_input["runId"] == "run-1"
 
 
 @pytest.mark.asyncio