fix: 修复报告摘要生成并稳定默认端口

tests/unit/test_task_executor.py

@@ -1,6 +1,7 @@
 from concurrent.futures import ThreadPoolExecutor
 
 from app.services import task_service
+from app.config import Settings
 
 
 def test_task_executor_is_single_worker_thread_pool():
@@ -10,3 +11,12 @@ def test_task_executor_is_single_worker_thread_pool():
 
 def test_run_task_entrypoint_is_synchronous_function():
     assert task_service.inspect.iscoroutinefunction(task_service.run_task) is False
+
+
+def test_ai_dependencies_do_not_generate_report_summary_provider_without_ai_config(monkeypatch):
+    monkeypatch.setattr("app.services.task_service.get_settings", lambda: Settings(_env_file=None))
+
+    requester, summary_provider = task_service.build_ai_dependencies()
+
+    assert requester("prompt") == "[]"
+    assert summary_provider is None