[Bugs] There's no "Retry" option when a failure occurs or you accidentally close you...

**Mood:** 😔
**Category:** Bugs

There's no "Retry" option when a failure occurs or you accidentally close your laptop. And it seems to permanently fail once it runs into an issue, requiring a new session.

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| Field | Value |
| --- | --- |
| App version | 1.0.15 |
| OS | Windows 10.0.26200 |
| Theme | GitHub |
| Path | /chat |
| Tenure | Day 1 |

首先，在 Windows 10 上使用应用版本 1.0.15，复现 /chat 路径下的故障和意外关闭行为。跟踪失败会话的处理方式，并确定现有会话的入口点；完成的标准是用户无需创建新会话即可重试或恢复。

由索引模型根据 Issue 内容生成。