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A repository whose artifacts ship on different cadences has no way to publish one of them. Baseline needs it: every merge to main must put the catalogue live in under five minutes, while `dist/` is content-addressed and may only be written by a tag release. Today the action iterates cfg["artifacts"] unconditionally, so the only lever is deleting the distributions artifact from site.yaml — which changes the stored publication contract and drives the route-retirement path. The new `artifacts:` input names the subset this run builds and publishes. Selection scopes the build, the immutable preflight, the CORS reconcile, the S3 sync, and credential resolution. It deliberately does not scope manifest rendering or the immutable-path history: those stay whole, so a scoped run can never retire another artifact's route or delete its bucket contents. An undeclared name fails before the first bucket is touched; `enabled: false` refuses a selection because decommissioning is whole-site. Default is unchanged: no input publishes every declared artifact. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01UjQqc4qFmdpAWaYfy2Aypb