Image Gen Router

Generate a raster image from a text prompt using one of two local, headless, API-key-free backends. Both run under an existing logged-in account (no API key, no per-image API billing) exactly as if the user typed the prompt into that tool themselves:

• GPT — Codex CLI's imagegen tool, under the user's ChatGPT login.
• Gemini — Antigravity agy CLI headless, under the user's Google login.

The whole point of this skill is letting the user pick the model. Everything else (subject, style, aspect, palette, mood) flows straight from the prompt into the chosen backend.

The one decision that matters: which backend

Before generating, you must know which backend to use. There are exactly two cases: