Take a screenshot on macOS and send it to Telegram. Use when the user asks to capture their screen, take a screenshot, or send a screen capture to Telegram. Works around OpenClaw's message tool bug (#15541) that fails to send media.

在 macOS 上截取屏幕并发送到 Telegram，适用于用户要求截取屏幕、截图或向 Telegram 发送屏幕截图时使用 绕过 OpenClaw 消息工具的媒体发送漏洞（#15541）