What problem does it solve? Finalizing a completed change in an OpenSpec workflow involves several error-prone manual checks: confirming artifacts are done, verifying tasks are complete, syncing delta specs into main specs, and moving the change directory into a dated archive. This Skill automates that entire finalization sequence through the openspec CLI. ## Core Features & Use Cases - Completion Verification: Checks artifact status via openspec status --json and counts incomplete tasks in tasks.md before archiving, warning and confirming with the user when anything is unfinished. - Delta Spec Sync Assessment: Compares delta specs against main specs, summarizes pending adds, modifications, removals, and renames, and optionally runs an inline sync workflow with verification before archiving. - Dated Archiving: Moves the change directory into an archive folder with a YYYY-MM-DD- prefixed name, failing safely if the target already exists. - Use Case: After finishing implementation of a user-auth change, ask the agent to archive it; the Skill verifies all artifacts and tasks, syncs the delta specs into the main specs, and moves the change into the dated archive with a summary report. ## Quick Start Ask the agent to archive the completed change named add-user-auth using the openspec archive workflow.