Voice input in the browser is a study in inconsistency. Chrome, Edge, and most Chromium-based browsers have the Web Speech API with continuous recognition that works well for dictation. Firefox ships a stub that throws a not-supported error at runtime. Safari's implementation works but requires a permission gesture every few sentences. And all of them send your audio to a cloud service. When I built voice dictation for PromptBoard, I needed something that worked everywhere and ran locall...