Send the invitation as a light letter that names the community, the inviter by email, and who can read the Rule.

lib/assetUtils.ts

@@ -226,6 +226,8 @@ export function contentCatalogSlugForFallback(
 export const ASSETS = {
   // Brand logo
   LOGO: "assets/logos/community-rule.svg",
+  /** 2x cream mark for invitation email (Gmail/Outlook drop SVG). */
+  LOGO_MARK: "assets/logos/community-rule-mark.png",
 
   // Avatars
   AVATAR_1: "assets/marketing/avatar-1.png",