b942ae7c8f
Soviet Union (su), Yugoslavia (yu), East Germany, Germany DR, FR Yugoslavia, and Czechoslovakia have no valid entry in flag-icons. Map them to null in TEAM_ISO so getIso() returns null, and render a muted initials badge in TeamFlag instead of a broken/empty sprite. Also drop the buggy 2-char substring fallback that generated random valid codes for unknown teams. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>