Decide disposition of the archival cleanup branch

[ss-o]

Context

Archive-first workspace cleanup found the preserved remote branch feature-zdharma-archival-cleanup-ci at 8336b62a3d92a554dd582df6dd3293f3ff9fd8c6 with two unique commits:

• fab0ab4cee51259c369940ea7b0bbb1ec6415734 — update CI and Docker zdharma references to z-shell
• 8336b62a3d92a554dd582df6dd3293f3ff9fd8c6 — final zdharma archival cleanup

No pull request or owning tracker item was found. The history was preserved because it may contain still-relevant migration work.

Decision needed

• Compare the branch against current main.
• Either open a focused PR, document an existing superseding change, or approve archive-and-delete.
• Keep the branch until one disposition is recorded.

Suggested tracker fields

• Type: Task
• Priority: Medium
• Effort: Small
• Status: Backlog