Before this workflow, follow the once-per-session update preflight.

Build with the composed StyleSeed method

Registry-first artifact boundary

When .styleseed/project.json and .styleseed/artifacts/index.json exist, resolve the requested artifact ID first, then read only .styleseed/bundles/<artifact-id>.md and .styleseed/manifests/<artifact-id>.json. Never fall back to the global legacy bundle for a registry project. Legacy projects may use .styleseed/effective-rules.md only when no registry exists.

The build method is the product. Score and screenshots are auxiliary evidence, not the source of design judgment.

Step 1 — Establish the rule set before code