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How we built a voice-first, screen-aware product guide with the OpenAI Realtime API
利用OpenAI Realtime API打造语音优先、屏幕感知的产品指南，巧妙平衡隐私与成本，为实时语音应用提供实战架构决策与权衡经验。
Most in-app onboarding tools tell users what to do. They pop a tooltip, queue a checklist, or open a chat box where an AI types a paragraph the user s…