codex-imagegen Overview This skill drives the Codex CLI agent ( ) and asks it to produce a PNG at a path the caller chooses. On this machine the agent does not invoke a built-in tool — instead it shells out to with model , base64-decodes the response, and writes the PNG. The wrapper handles the friction: companion-env interception, sandbox/network confinement, path resolution, output verification. When to use Trigger when the user's request has both: 1. An image-generation intent — "生圖 / 畫一張 / generate / draw / create an image of …", and 2. A target file path — "存成 X.png", "save to X.png", or…