Generate images via ComfyUI API (localhost:8188) using Flux2 workflow. Supports structured JSON prompts sent directly as positive prompt parameter, seed/steps customization. Async watcher via sub-agent for low-latency, token-efficient polling (every 5s).
v1.5.0: Standalone structured-prompt fix; 1920x1080 workflow; live-tested async JSON generation + delivery. Full changelog in SKILL.md.