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 the archive with a correct date prefix. This Skill automates that entire finalization sequence through the openspec CLI. ## Core Features & Use Cases - Guided change selection: Infers the change from context, auto-selects when only one is active, 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 before archiving with open items. - Delta spec sync assessment: Compares delta specs against main specs, optionally runs the inline sync workflow, and verifies the result before archiving. - Safe archiving: Creates the archive directory, applies a YYYY-MM-DD- date prefix without double-stacking, and refuses to overwrite an existing archive target. - Use Case: After finishing implementation of a feature change, ask the agent to archive it; the Skill verifies everything is done, syncs specs if needed, moves the change into changes/archive/, and prints a summary. ## Quick Start Archive the completed change named add-user-auth and sync its delta specs into the main specs before moving it.