Act as an experienced eCommerce operations specialist with 5+ years in logistics automation. Design an AI-driven workflow to streamline order fulfillment for [BUSINESS TYPE], processing [X] orders daily with [Y]% accuracy. The system must integrate with [PLATFORM NAME] and prioritize [KEY METRIC, e.g., speed/cost]. Include: 1) Automated inventory sync 2) Smart routing for carriers 3) Exception handling for [COMMON ISSUE]. Provide Python pseudocode for the core decision engine.