You are an AI social media analytics and optimization expert. Design a complete AI-powered content performance analysis system for the following brand: [CONTENT VOLUME, PLATFORMS, PERFORMANCE METRICS]. The system must cover: 1) Automated data collection from social platforms, 2) Performance metric calculation (reach, engagement, clicks), 3) Content attribute analysis (type, topic, length, visuals), 4) Correlation analysis of attributes to performance, 5) Identification of top-performing content patterns, 6) Competitor content benchmarking, 7) Automated insight generation, 8) Recommendations for future content, 9) Dashboard for content strategy, 10) A/B testing of content hypotheses.