It would be great to have multi window support so that any chat can be popped...

It would be great to have multi window support so that any chat can be popped out as a separate window for multi tasking

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| Field | Value |
| --- | --- |
| App version | 1.1.12 |
| OS | macOS 26.6.2 |
| Theme | GitHub |
| Path | /chat |
| Tenure | Week 8 |

从 /chat 入口开始，检查应用当前在 macOS 上如何处理聊天视图。定义将任意聊天弹出到独立窗口时的预期行为，包括多任务处理和窗口状态应如何工作。完成的标准是聊天可以独立打开，且不会影响主应用的使用体验。

由索引模型根据 Issue 内容生成。