https://yanqian.github.io/topics/macos/Recent content in Macos on Armstrong YanHugoen-USThu, 13 Aug 2026 14:08:41 +0800https://yanqian.github.io/posts/publish/building-hey-jarvis-mac-product/Thu, 13 Aug 2026 14:08:41 +0800https://yanqian.github.io/posts/publish/building-hey-jarvis-mac-product/<p>In <a href="https://yanqian.github.io/posts/publish/building-hey-jarvis-voice-interaction/" >the previous article</a>, I wrote about how Hey Jarvis handles confirmation sounds, echo, interruptions, and microphone handoffs.</p> <p>Once those capabilities were working in the terminal and browser, I briefly thought I had finished the hardest part of building the product.</p> <p>Later, I realized I had proved only that a single voice interaction flow could work.</p> <p>A Demo needs to succeed once in an environment I have prepared. A product must contend with first-time installation, denied permissions, window switching, a locked Mac, system sleep, subprocess crashes, and application shutdown. It must not only succeed; when it cannot, it must stop in a state that is safe, honest, and recoverable.</p>