new-feature-go

Pre-flight checklist for adding a new feature to a Go 1.22+ service. Load when creating a new endpoint, internal package, external integration, or background worker. Forces "accept interfaces, return structs", context.Context propagation, error wrapping, and bulkhead-per-provider from line one — prevents the most common AI failures (God interfaces, raw goroutines without errgroup, http.DefaultClient everywhere,…