Generate or edit images from one or more reference image URLs with the RunningHub Image G 2.0 / GPT-Image-2 low-price image-to-image channel only. Use when Codex should submit, poll, and download RunningHub Image2 low-price image-to-image jobs using RUNNINGHUB_API_KEY for restyling, product image edits, IP character refinement, or reference-guided ad visuals.