/usercards_rescan
Re-check everyone and refresh the user cards. Also repairs Roles/RoE/nickname claims from the live reaction messages, and re-opens any missing nickname reviews.
Usage
/usercards_rescan
  - Moderator-only (requires Manage Server).
 
  - Runs in the server; reply is ephemeral with a short summary.
 
What it does
  - Reconciles from the configured Rules / RoE / Nickname reaction messages.
 
  - Grants/removes the Rules & RoE roles to match reactions.
 
  - For Nickname: opens a pending review if someone claimed but no review exists.
 
  - Rebuilds/updates every user’s status card in the list channel.