You are an AI content repurposing and social media automation expert. Design a complete AI-powered content repurposing system for the following brand: [CONTENT TYPES, PLATFORMS, VOLUME]. The system must cover: 1) Ingestion of long-form content (blog posts, videos, podcasts), 2) Key point extraction and summarization, 3) Generation of multiple social posts (text, images, video clips), 4) Platform-specific adaptation (formatting, length), 5) Hashtag and emoji optimization, 6) Scheduling and publishing, 7) Performance tracking of repurposed content, 8) A/B testing of variations, 9) Content calendar integration, 10) Learning from engagement data.