fix(admin): keep account photos out of the media library

internal/store/store.go

@@ -36,6 +36,13 @@ var safeSlugRe = regexp.MustCompile(`[^a-zA-Z0-9._-]`)
 // MediaDirName is the uploads directory inside the content directory.
 const MediaDirName = "media"
 
+// AvatarDirName is the directory inside the media directory that carries
+// the account profile photos. The media library lists only the files of
+// the media directory itself, so an avatar there never appears as a tile;
+// the URL keeps the /media/ prefix, so the public route, the delete path
+// and the backups treat it like any other image.
+const AvatarDirName = "avatars"
+
 // Store manages posts on disk in a flat or language-subdivided
 // directory.
 type Store struct {