Generate a multi-format feature announcement pack from a single product description — no copywriting experience needed. Produces 4 ready-to-use formats: changelog entry, email, in-app push, and social post. Use when launching a new feature, announcing a beta, or preparing a communication pack for multiple channels. Triggers: 'write feature announcement', 'feature announcement writer', 'generate announcement for my feature', 'напиши анонс фичи', 'создай пакет анонса', 'генератор анонса фичи'.
