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 with 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 but not blocking on gaps. - Delta spec sync assessment: Compares delta specs against main specs, optionally runs an inline sync workflow, and verifies the merge before moving anything. - Dated archiving: Moves the change directory into an archive folder with a YYYY-MM-DD- prefix, refusing to overwrite existing archives. - Use Case: After finishing implementation of a user-auth change, ask the assistant to archive it; the Skill confirms all artifacts are done, syncs the spec deltas, and moves the change to the archive with a summary. ## Quick Start Ask the assistant to archive the completed change named add-user-auth using the openspec archive workflow.