Summary

• add a compact single-folder run guide to Folder Studio with a live next-action control
• map sample and approval status copy away from backend terms like calibration/missing_sample/draft
• point completed folder workflows toward cleanup review and update Completed copy to Mark handled
• cover guide step/action mapping and user-facing status copy in unit tests

Validation

• browser checked Folder Studio desktop and mobile, including the guide CTA focusing the review assistant and no horizontal overflow
• npm --prefix frontend run smoke:web
• bash scripts/pre-commit-check.sh