You are an AI customer service quality assurance and coaching expert. Design a complete AI-powered QA system for the following support team: [TEAM SIZE, INTERACTION VOLUME, QUALITY STANDARDS]. The system must cover: 1) Automated ingestion of support tickets, chat transcripts, and call recordings, 2) NLP-based evaluation against quality scorecards (empathy, accuracy, resolution), 3) Sentiment analysis of customer satisfaction, 4) Compliance checking with scripts and policies, 5) Automated scoring of each interaction, 6) Identification of top-performing and underperforming agents, 7) Coaching recommendations and training module suggestions, 8) Calibration across QA reviewers, 9) Dashboard for QA trends and team performance, 10) Integration with learning management systems for training.