截取当前电脑屏幕并发送图片给用户。当用户明确要求截屏、截图、看一下屏幕/电脑当前状态时调用（如"电脑截个屏"、"电脑截屏发我"、"帮我看看电脑现在屏幕"、"截个屏"、"截屏发我"、"帮我看看现在屏幕"、"请用电脑截屏发给我"）。截图会直接以图片形式发送回给用户。
截取当前 macOS 屏幕，直接以图片附件发送给 Discord / Telegram 用户。
JSON 字段（均可选）：
caption：图片说明文字，默认"📸 电脑截屏 {时间}"channel handler 检测到 {"type":"file_attachment",...} 后自动发送图片，用户无需关心返回格式。
screencapture）sessions/brain/screenshots/ 下，发送后不自动删除（保留供审计）Edit PDFs with natural-language instructions using the nano-pdf CLI.
Control Sonos speakers (discover/status/play/volume/group).
Terminal Spotify playback/search via spogo (preferred) or spotify_player.
Capture frames or clips from RTSP/ONVIF cameras.
CLI to manage emails via IMAP/SMTP. Use `himalaya` to list, read, write, reply, forward, search, and organize emails from the terminal. Supports multiple accounts and message composition with MML (MIME Meta Language).
Monitor blogs and RSS/Atom feeds for updates using the blogwatcher CLI.
Category:tools