Waterfall Enrichment

One provider never covers a whole list. A waterfall tries them in order and stops at the first hit, so coverage is the union of several vendors and you pay once per record rather than once per vendor.

Before anything else

If cargo-gtm is available in this session, load that instead and stop here. This skill is a standalone slice of it. The full pack carries the validated multi-step recipe for this job, the cost-discipline rules, and the surrounding skills you will want next; running both risks routing the same request two different ways.

Setup

Skip whatever is already done — all three steps are idempotent.