8c1948d226
Move the following completed changes from openspec/changes/ to openspec/changes/archive/2026-06-12-completed-changes-archive/: - multi-session-terminal-ux - reorganize-long-files - working-copies - workspace-first-ui Update parent and archive .pi-map*.md indexes to reflect the move and remove the transient active-changes-archive grouping. openspec/changes/ now contains only the archive/ directory.