dsh-feishu-notify: Send Feishu notification cards when the agent session ends or is waiting for input.

## Introduction Running agent tasks with DSH presents a common pain point: tasks are often lengthy, and the model may take several minutes to respond, potentially pausing execution to call `ask_user_question` for user input. Once a person leaves the terminal, they remain unaware if the task has finished, and waiting for input becomes a futile exercise. Existing approaches either involve polling logs or writing scripts to monitor processes, both of which incur additional maintenance overhead. dsh-feishu-notify adopts a different approach: it enables DSH to actively push notification cards to Feishu groups at critical moments. The following sections introduce what this plugin is, how to install it, and how to configure it. ## What is this? dsh-feishu-notify is a DSH plugin maintained by omdsh-dev that sends notification cards via Feishu group custom bots. It has been adapted...