_Geulbeot/02. Prompts/문서생성/domain/도메인_문서생성_메시지_처리_v01.md

<div class="toast" id="toast">메시지</div>
<div class="loading" id="loading"><div class="spinner"></div><div>처리 중...</div></div>
<input type="file" id="fileInput" accept=".html,.htm" onchange="handleFile(event)">