.codex-plugin/assets/composer-icon.svg

<svg xmlns="http://www.w3.org/2000/svg" width="128" height="128" viewBox="0 0 128 128">
  <rect width="128" height="128" rx="24" fill="#1E3A5F"/>
  <g stroke-linecap="round" stroke-linejoin="round">
  <path d="M37 22h38l18 18v66H37z" fill="#FFFFFF"/>
  <path d="M75 22v20h18" fill="#DDE7F0"/>
  <path d="M51 58h28M51 70h28M51 82h16" fill="none" stroke="#1E3A5F" stroke-width="7"/>
  <path d="m69 92 8 8 18-22" fill="none" stroke="#F4C15D" stroke-width="8"/>
  </g>
</svg>