"Scheduled" pill does not behave the same as other pills

### Short summary

The "Scheduled" pill looks the same as the "Background" and "Artifacts" pills, but is not clickable while the others are. Suggest either making "Scheduled" clickable (with an option to cancel a scheduled task) or changing its appearance.

### Affected version or release

1.0.21

### Installation context

_No response_

### What happened?

The "Scheduled" pill looks the same as the "Background" and "Artifacts" pills, but is not clickable while the others are. Suggest either making "Scheduled" clickable (with an option to cancel a scheduled task) or changing its appearance.

### Steps to reproduce

1. Schedule a task
2. "Scheduled" pill appears above prompt window
3. Attempt to click on pill
4. Nothing happens

### Expected behavior

Expect to be able to interact with the scheduled task.

### Additional context

_No response_

首先定位“Scheduled”pill 的 UI 实现，并将其与“Background”和“Artifacts”pill 进行比较。复现 issue 中描述的调度流程，然后让 scheduled 状态变得可交互或在视觉上有所区别；当其行为和外观不再暗示相互冲突的操作可能性时，即视为完成。

由索引模型根据 Issue 内容生成。