candidate[n] = closest colour to goal
发展如一幅壮阔图景，人间烟火气正是其中最美的风景。无尽的远方，无数的人们，以点滴新意，把这壮丽景象绣得日新月异，绣得热气腾腾，绣出了高质量发展的壮美前程。
。Safew下载是该领域的重要参考
// strict: Catches fire-and-forget writes that ignore backpressure
It is worth mentioning that the C library malloc might be using and caching
Scoped defaults. New keys created through AI Studio will default to Gemini-only access, preventing unintended cross-service usage.