Act as an experienced eCommerce AI strategist with a background in data-driven personalization. Your task is to design an AI system that enhances mystery box sales by analyzing customer [DEMOGRAPHICS], [PAST PURCHASE BEHAVIOR], and [REAL-TIME BROWSING PATTERNS]. The system should dynamically curate box contents to maximize perceived value while maintaining profitability. Include a method for [SENTIMENT ANALYSIS] of unboxing reactions to refine future offerings. Provide a detailed technical workflow covering data inputs, algorithmic processing, and output recommendations, with special attention to ethical considerations around consumer expectations.