Maybe/app/views/merchants/_form.html.erb

<div data-controller="merchant-avatar">
  <%= styled_form_with model: @merchant, class: "space-y-4", data: { turbo: false } do |f| %>
    <section class="space-y-4">
      <div class="w-fit m-auto">
        <%= render partial: "merchants/avatar", locals: { merchant: @merchant } %>
      </div>
      <div class="flex gap-2 items-center justify-center">
        <% Merchant::COLORS.each do |color| %>
          <label class="relative">
            <%= f.radio_button :color, color, class: "sr-only peer", data: { action: "change->merchant-avatar#handleColorChange" } %>
            <div class="w-6 h-6 rounded-full cursor-pointer peer-checked:ring-2 peer-checked:ring-offset-2 peer-checked:ring-blue-500" style="background-color: <%= color %>"></div>
          </label>
        <% end %>
      </div>
      <div class="relative flex items-center border border-gray-200 rounded-lg">
        <%= f.text_field :name, placeholder: t(".name_placeholder"), class: "text-sm font-normal placeholder:text-gray-500 h-10 relative pl-3 w-full border-none rounded-lg", required: true, data: { merchant_avatar_target: "name" } %>
      </div>
    </section>

    <section>
      <%= f.submit %>
    </section>
  <% end %>
</div>