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 built-in verification and guardrails. ## Core Features & Use Cases - Completion Verification: Checks artifact status via openspec status --json and counts incomplete tasks in tasks.md, warning before archiving unfinished work. - Delta Spec Synchronization: Compares delta specs against main specs, optionally runs an inline sync workflow, and re-verifies every capability before archiving. - Dated Archiving: Moves the change directory into an archive/ folder with a YYYY-MM-DD- prefixed name, preventing duplicate-date collisions. - Use Case: After finishing implementation of a user-auth change, ask the assistant to archive it; the Skill confirms all artifacts and tasks are done, syncs spec changes into the main specs, and moves the change into the archive with a summary report. ## Quick Start Archive the completed OpenSpec change named add-user-auth, syncing its delta specs into the main specs first.