feat(data-process): 支持思维链输出类型

backend/tests/test_data_process_api.py

@@ -1405,6 +1405,40 @@ def test_stale_generation_worker_cannot_overwrite_new_run(monkeypatch: Any) -> N
     assert store.tasks[task_id]["status"] == "running"
 
 
+def test_reasoning_output_requires_generation_model() -> None:
+    store = FakeDataProcessStore()
+    task = store.create_task(
+        {
+            "name": "思维链模型校验",
+            "process_type": "structured",
+            "config": {"output_type": "reasoning"},
+        }
+    )
+    task_id = task["id"]
+    store.replace_preview_items(
+        task_id,
+        [
+            {
+                "source_file_id": None,
+                "original_content": "需要推理的来源内容",
+                "edited_content": "需要推理的来源内容",
+                "status": "manual",
+            }
+        ],
+    )
+    started = store.start_generation(task_id, replace_existing=True)
+
+    data_process_endpoint._run_generation(
+        store,
+        task_id,
+        started["generation_run_id"],
+    )
+
+    failed = store.get_task(task_id)
+    assert failed["status"] == "failed"
+    assert failed["failure_reason"] == "思维链输出必须配置可用的数据生成模型"
+
+
 def test_result_status_cannot_be_forged_by_client(tmp_path: Path) -> None:
     client, _, _ = make_client(tmp_path)
     task_id = client.post(