sourcing▌

这是跨境电商选品的供应链工具。在 1688 找到核心工厂和起批价，为核价计算提供成本数据。

Expert in event sourcing, CQRS, and event-driven architecture patterns. Masters event store design, projection building, saga orchestration, and eventual consistency patterns. Use PROACTIVELY for event-sourced systems, audit trail requirements, or complex domain modeling with temporal queries.

Store state changes as a sequence of events rather than the current state, enabling temporal queries, audit trails, and event replay.