nano-banana-image-ad (Arcads)

Generate one or more standalone Meta ad image creatives via Arcads' POST /v2/images/generate with the Nano Banana model family (default nano-banana-2). Hands the image paths off to your Meta-ad-builder skill — this skill does not upload to Meta itself.

Read order

1. This file — Arcads-specific endpoint, auth, presigned upload flow, workflow phases.
2. shared/skills/nano-banana-image-ad/prompting/guide.md — model-specific prompting (what Nano Banana is good/bad at, when to switch to gpt-image-2).
3. shared/skills/image-ad-prompting/prompting/prompt-library.md — 30+ validated templates with per-model notes.
4. shared/skills/image-ad-prompting/prompting/safety-suffixes.md — the 3 always-on guards.
5. scripts/generate_image.py — the helper script (Python stdlib only).

Hard rules — never relax