Automation executed with no response at all

I created automations in guthib copilot app, with everything configured properly, like model, context, etc, but the automation never produced any responses no matter how it gets triggered, by schedule, or manually. the automation panel shows the session for every execution, but all of the only contains the initial prompt, nothing else. Even after I turned an existing automation run into a chat session and sent another prompt, there is still no response. Same issue for simply prompt like "tell me the date".

To reproduce:
1. create a automation.
2. manually run it.
3. observe the lack of response.
5. turn the session into a chat, and send the same prompt again.
6. observe the lack of response again.

---
| Field | Value |
| --- | --- |
| App version | 1.0.23 |
| OS | Windows 11 26200.8875|
| Theme | GitHub |
| Path | /chat |
| Tenure | Day 5 (Week 1) |

首先，在 Windows 11 上的 GitHub Copilot 应用 v1.0.23 中复现该问题，使用 /chat 路径和一个简单的提示词，例如“tell me the date”。检查手动和计划的自动化运行，然后将一次运行转换为聊天并发送另一个提示词。只有每次执行和后续聊天都能生成响应，而不只是初始提示词时，才算完成。

由索引模型根据 Issue 内容生成。