Any time a child session is invoked, at least in another repo, it creates the...

Any time a child session is invoked, at least in another repo, it creates the session but nothing happens in the new session. I tell it to nudge the new session and that sorted it every time.

---
| Field | Value |
| --- | --- |
| App version | 1.0.25 |
| OS | Windows 10.0.26200 |
| Theme | GitHub |
| Path | /chat |
| Tenure | Week 5 |

首先使用 Windows 10.0.26200 上的 app version 1.0.25，通过 /chat 路径复现子会话的行为，并记录新会话是否已创建但在受到提示之前一直处于非活动状态。完成标准是：被调用的子会话无需手动提示即可开始其预期工作。

由索引模型根据 Issue 内容生成。