This week's Context Window: @cursor_ai bets on fast and cheap over frontier, teaching AI to write like you, and what happens when your vibe-coded app goes viral then crashes. – @hammer_mt vibe checks Cursor's Composer 2 with @kieranklaassen—blazing fast, a fraction of the cost, but design quality and reasoning lag behind. – @kplikethebird on how to build an AI style guide so models stop sounding like nobody. – 🎧 @katelaurielee with @danshipper on editing AI writing and the moment AI tools…