Act as an experienced eCommerce accountant with 5+ years of expertise in automating financial workflows. Your task is to design an AI-driven system that streamlines accounting for [STORE NAME], a [BUSINESS TYPE] selling [PRODUCT CATEGORY]. The system should automatically categorize transactions, reconcile payments from [PAYMENT GATEWAYS], and generate real-time reports on [KEY METRICS]. Ensure the solution integrates seamlessly with [E-COMMERCE PLATFORM] and complies with [TAX REGULATIONS]. Provide a step-by-step implementation plan, including how to handle exceptions like refunds or chargebacks. Highlight cost-saving benefits and accuracy improvements over manual processes.