/kanban-archive

Archive completed cards from the Done column.

Instructions

1. Verify KANBAN.md exists in the current working directory. If not, tell the user to run /kanban-init first.
2. Read KANBAN.md and find all cards in the “Done” column.
3. If there are no cards in Done, inform the user and stop.
4. Show the user which cards will be archived and ask for confirmation.
5. On confirmation:
   • Remove all cards from the “Done” column (leave the ## Done heading).
   • Append an ## Archived section at the bottom of the file (or add to it if it already exists).
   • Add a date stamp line: **Archived on YYYY-MM-DD**
   • Add the archived cards below the date stamp.
6. Write the updated content back to KANBAN.md.
7. Confirm how many cards were archived.

Archive Format

## Archived

**Archived on 2025-01-15**

### Completed task
Description of the task.

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