Show HN: SignalPosts – turns sales call transcripts into LinkedIn posts SignalPosts launches a platform that uses AI to transform sales call transcripts into LinkedIn posts, automatically extracting key themes and generating posts in each author's voice with a multi-role approval workflow. Extract key signals from call transcripts. Generate authentic posts in each author's voice. Review, approve, and publish - all from one platform. Automatically pull key themes, objections, and insights from your sales call transcripts. AI generates LinkedIn posts matched to each author's voice, style, and content framework. Multi-role approval workflow. Review, edit, and schedule posts before they go live.