What problem does it solve? Finalizing a completed change in an OpenSpec workflow involves checking artifact completion, task status, and delta spec synchronization before moving the change into an archive directory; doing this manually is error-prone and easy to get out of order. ## Core Features & Use Cases - Guided change selection: Infers the change from context, auto-selects when only one active change exists, or prompts with a list of active changes when ambiguous. - Completion verification: Checks artifact status via openspec status --json and counts incomplete tasks in tasks.md, warning but not blocking on gaps. - Delta spec sync assessment: Compares delta specs against main specs, optionally runs the inline openspec-sync-specs merge, and verifies the result before archiving. - Use Case: After finishing implementation of a user-auth change, ask the assistant to archive it; the skill confirms artifacts and tasks are done, syncs spec deltas into the main specs, then moves the change into archive/2024-05-01-user-auth/. ## Quick Start Ask the assistant to archive the completed OpenSpec change named add-user-auth and confirm any prompts about incomplete tasks or spec syncing.