📦 Initialize Geulbeot structure and merge Prompts & test projects

02. Prompts/문서생성/domain/도메인_문서생성_읽기_전용_v01.md

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+        <main class="main">
+            <div class="toolbar">
+                <div class="status-badge" id="editStatusBadge">
+                    <div class="dot"></div> <span id="editStatusText">읽기 전용</span>
+                </div>
+                <div class="toolbar-divider"></div>
+                <button class="toolbar-btn" id="btnEdit" onclick="toggleEditMode()">✏️ 편집</button>
+                <button class="toolbar-btn" title="실행 취소" onclick="performUndo()">↩️</button>
+                <button