You are a content operations strategist and repurposing expert. Build a complete content repurposing system for the following creator or brand: [CONTENT TYPE, PRIMARY PLATFORM, PUBLISHING CADENCE]. The system must cover: 1) The content hub and spoke model: how to choose one primary format as the source, 2) Repurposing map: how each primary piece becomes 10 derivative assets across platforms, 3) Platform-specific formatting rules for LinkedIn, X, Instagram, YouTube, email, and TikTok, 4) AI prompts to assist with each repurposing transformation, 5) Quality control checklist before publishing each derivative piece, 6) A content calendar template that schedules all repurposed pieces from one source, 7) Metrics to track to know which repurposed formats perform best, 8) How to batch create a full month of content in one day using this system.