安装、更新并使用 Codex-Canvas。通过 Red SkillHub 或其他 Skill 渠道获得本 Skill 后，继续把最新稳定版 Codex-Canvas 安装为 Codex personal plugin；Skill 安装不是终态。适用于用户要求安装或升级 codex-canvas、输入 /canvas、打开本地无限画布、收集生成图片、把画布图片发送回 Codex 对话，或运行 Quick Edit、Remove BG、Expand、Edit Text、Edit Elements 等图片操作。
Run a user-described Quick Edit on a selected Codex-Canvas image and collect the result back onto the canvas.
Remove the background from a selected Codex-Canvas image and collect a transparent PNG result back onto the canvas.
Open and use Codex-Canvas, a project-local infinite canvas for Codex image generation. Use when the user says /canvas, asks to open the canvas, or wants generated images collected on a visual board.
Generate an instance segmentation map for a selected Codex-Canvas image, split the source into transparent element layers, and collect the layers back onto the canvas.
Recognize visible text in a selected Codex-Canvas image, apply a user-described text edit with imagegen, and collect the result back onto the canvas.
Outpaint a selected Codex-Canvas image beyond its current frame and collect the expanded image back onto the canvas.