Access logs from active kernels

Allow users to view logs from a running kernel in real time. Right now, we can only see the kernel's output after it finishes, which makes it harder to monitor what's happening during the run.

Use Case: Being able to see active kernel logs in the terminal (or any workflow) would help users check the status of their runs as they happen. This would make it easier to catch errors early, stop the run if needed, and save time and resources especially on longer runs.

首先定位目前只有在執行結束後才會公開 kernel 輸出的 CLI 工作流程。追蹤輸出的取得方式，並確定正在執行的 kernel 可以在哪個位置向終端機或其他工作流程提供日誌。完成的標準是，使用者可以即時監控運作中的 kernel，並在執行仍在進行時看到錯誤。

由索引模型根據 Issue 內容生成。