Archive OpenSpec Change

Merge OpenSpec delta specs from openspec/changes/<change-id>/specs/ into openspec/specs/, then move the change directory to openspec/changes/archive/YYYY-MM-DD-<change-id>/.

This skill is idempotent. The ss-create-pr skill calls it automatically before opening a pull request.

Inputs

Optional: a specific <change-id>, and/or --dry-run to validate and report without writing anything.

Process

Step 1: Discover the Active Change

If a <change-id> was given, use it. Otherwise: