fix: Markdown开关改用data属性存储内容，修复切换失效问题

xian_favor/api.py

@@ -1491,46 +1491,21 @@ INDEX_TEMPLATE = '''
                 </button>
             </div>
             
-            <!-- 统计卡片 -->
-            <div class="row mb-4" id="statsCards">
-                <div class="col-md-3">
-                    <div class="card bg-primary text-white">
-                        <div class="card-body">
-                            <h6>总条目</h6>
-                            <h3 id="statTotal">0</h3>
-                        </div>
-                    </div>
-                </div>
-                <div class="col-md-3">
-                    <div class="card bg-warning text-dark">
-                        <div class="card-body">
-                            <h6>待处理</h6>
-                            <h3 id="statPending">0</h3>
-                        </div>
-                    </div>
-                </div>
-                <div class="col-md-3">
-                    <div class="card bg-info text-white">
-                        <div class="card-body">
-                            <h6>进行中</h6>
-                            <h3 id="statProgress">0</h3>
-                        </div>
-                    </div>
-                </div>
-                <div class="col-md-3">
-                    <div class="card bg-success text-white">
-                        <div class="card-body">
-                            <h6>已完成</h6>
-                            <h3 id="statCompleted">0</h3>
-                        </div>
-                    </div>
-                </div>
+            <!-- 统计信息（一行显示） -->
+            <div class="d-flex gap-3 mb-3 align-items-center" id="statsCards">
+                <span class="badge bg-primary fs-6">总条目: <span id="statTotal">0</span></span>
+                <span class="badge bg-warning text-dark fs-6">待处理: <span id="statPending">0</span></span>
+                <span class="badge bg-info fs-6">进行中: <span id="statProgress">0</span></span>
+                <span class="badge bg-success fs-6">已完成: <span id="statCompleted">0</span></span>
             </div>
             
+            <!-- 列表上方翻页 -->
+            <div id="paginationTop" class="d-flex justify-content-between align-items-center mb-2"></div>
+            
             <!-- 列表 -->
             <div id="itemList"></div>
             
-            <!-- 分页 -->
+            <!-- 列表下方翻页 -->
             <div id="pagination" class="d-flex justify-content-center mt-3"></div>
         </div>
     </div>
@@ -2689,16 +2664,60 @@ function renderItems(items) {
     `}).join('');
 }
 
-// 渲染分页
+// 渲染分页（顶部和底部）
 function renderPagination(total, page) {
-    const container = document.getElementById('pagination');
+    const containerBottom = document.getElementById('pagination');
+    const containerTop = document.getElementById('paginationTop');
     const totalPages = Math.ceil(total / pageSize);
     
+    // 清空顶部容器
+    if (containerTop) containerTop.innerHTML = '';
+    
     if (totalPages <= 1) {
-        container.innerHTML = '';
+        containerBottom.innerHTML = '';
         return;
     }
     
+    // 顶部：显示总数 + 简洁翻页
+    if (containerTop) {
+        let topHtml = `<span class="text-muted small">共 ${total} 条，第 ${page}/${totalPages} 页</span>`;
+        topHtml += '<nav><ul class="pagination pagination-sm mb-0">';
+        
+        // 上一页
+        topHtml += `<li class="page-item ${page === 1 ? 'disabled' : ''}">
+            <a class="page-link" href="#" onclick="loadItems(${page-1}); return false;">«</a>
+        </li>`;
+        
+        // 页码（最多显示3个）
+        const topStartPage = Math.max(1, page - 1);
+        const topEndPage = Math.min(totalPages, page + 1);
+        
+        if (topStartPage > 1) {
+            topHtml += `<li class="page-item"><a class="page-link" href="#" onclick="loadItems(1); return false;">1</a></li>`;
+            if (topStartPage > 2) topHtml += `<li class="page-item disabled"><span class="page-link">...</span></li>`;
+        }
+        
+        for (let p = topStartPage; p <= topEndPage; p++) {
+            topHtml += `<li class="page-item ${p === page ? 'active' : ''}">
+                <a class="page-link" href="#" onclick="loadItems(${p}); return false;">${p}</a>
+            </li>`;
+        }
+        
+        if (topEndPage < totalPages) {
+            if (topEndPage < totalPages - 1) topHtml += `<li class="page-item disabled"><span class="page-link">...</span></li>`;
+            topHtml += `<li class="page-item"><a class="page-link" href="#" onclick="loadItems(${totalPages}); return false;">${totalPages}</a></li>`;
+        }
+        
+        // 下一页
+        topHtml += `<li class="page-item ${page === totalPages ? 'disabled' : ''}">
+            <a class="page-link" href="#" onclick="loadItems(${page+1}); return false;">»</a>
+        </li>`;
+        
+        topHtml += '</ul></nav>';
+        containerTop.innerHTML = topHtml;
+    }
+    
+    // 底部：完整翻页
     let html = '<nav><ul class="pagination">';
     
     // 上一页
@@ -2732,7 +2751,7 @@ function renderPagination(total, page) {
     </li>`;
     
     html += '</ul></nav>';
-    container.innerHTML = html;
+    containerBottom.innerHTML = html;
 }
 
 // 显示模式：single（单行）或 double（双行）
@@ -3337,16 +3356,23 @@ async function showDetail(id, todoPage = 1, todoFilter = 'all') {
     
     if (item.content) {
         html += `<div class="mb-3">
-            <div class="d-flex justify-content-between align-items-center">
+            <div class="d-flex justify-content-between align-items-center mb-1">
                 <strong>内容:</strong>
-                <small class="text-muted"><i class="bi bi-hand-index"></i> 可先选中部分文本，再双击在此处插入</small>
+                <div class="form-check form-switch">
+                    <input class="form-check-input" type="checkbox" id="markdownToggle-${item.id}-content" 
+                           onchange="toggleMarkdownDisplay(${item.id}, 'content')"
+                           ${localStorage.getItem('markdownDisplay') !== 'false' ? 'checked' : ''}>
+                    <label class="form-check-label small" for="markdownToggle-${item.id}-content">Markdown</label>
+                </div>
             </div>
-            <div class="border rounded p-3 bg-light markdown-content quick-insert-area" 
+            <div class="border rounded p-3 bg-light quick-insert-area" 
+                 id="contentDisplay-${item.id}"
+                 data-raw-content="${escapeHtmlAttr(item.content)}"
                  data-field="content" 
                  data-item-id="${item.id}"
                  ondblclick="showQuickInsert(${item.id}, 'content')"
                  style="cursor: pointer;">
-                ${renderMarkdown(item.content)}
+                ${localStorage.getItem('markdownDisplay') === 'false' ? `<pre style="white-space: pre-wrap; word-break: break-all;">${escapeHtml(item.content)}</pre>` : renderMarkdown(item.content)}
             </div>
         </div>`;
     }
@@ -3463,16 +3489,23 @@ async function showDetail(id, todoPage = 1, todoFilter = 'all') {
     
     if (item.note) {
         html += `<div class="mb-3">
-            <div class="d-flex justify-content-between align-items-center">
+            <div class="d-flex justify-content-between align-items-center mb-1">
                 <strong>详情/备注:</strong>
-                <small class="text-muted"><i class="bi bi-hand-index"></i> 可先选中部分文本，再双击在此处插入</small>
+                <div class="form-check form-switch">
+                    <input class="form-check-input" type="checkbox" id="markdownToggle-${item.id}-note" 
+                           onchange="toggleMarkdownDisplay(${item.id}, 'note')"
+                           ${localStorage.getItem('markdownDisplay') !== 'false' ? 'checked' : ''}>
+                    <label class="form-check-label small" for="markdownToggle-${item.id}-note">Markdown</label>
+                </div>
             </div>
-            <div class="border rounded p-3 bg-light markdown-content quick-insert-area" 
+            <div class="border rounded p-3 bg-light quick-insert-area" 
+                 id="noteDisplay-${item.id}"
+                 data-raw-content="${escapeHtmlAttr(item.note)}"
                  data-field="note" 
                  data-item-id="${item.id}"
                  ondblclick="showQuickInsert(${item.id}, 'note')"
                  style="cursor: pointer;">
-                ${renderMarkdown(item.note)}
+                ${localStorage.getItem('markdownDisplay') === 'false' ? `<pre style="white-space: pre-wrap; word-break: break-all;">${escapeHtml(item.note)}</pre>` : renderMarkdown(item.note)}
             </div>
         </div>`;
     }
@@ -4009,6 +4042,51 @@ function escapeHtml(str) {
     return str.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;');
 }
 
+// 转义HTML属性值（用于传递到 data 属性）
+function escapeHtmlAttr(str) {
+    if (!str) return '';
+    // 转义双引号和特殊字符，用于 HTML 属性值
+    return str.replace(/&/g, '&amp;')
+              .replace(/"/g, '&quot;')
+              .replace(/</g, '&lt;')
+              .replace(/>/g, '&gt;');
+}
+
+// 从 data 属性解码内容
+function decodeHtmlAttr(str) {
+    if (!str) return '';
+    return str.replace(/&quot;/g, '"')
+              .replace(/&lt;/g, '<')
+              .replace(/&gt;/g, '>')
+              .replace(/&amp;/g, '&');
+}
+
+// 切换Markdown显示模式
+function toggleMarkdownDisplay(itemId, field) {
+    const displayEl = document.getElementById(`${field}Display-${itemId}`);
+    if (!displayEl) return;
+    
+    const rawContent = decodeHtmlAttr(displayEl.dataset.rawContent || '');
+    const isMarkdown = localStorage.getItem('markdownDisplay') !== 'false';
+    
+    // 切换状态
+    localStorage.setItem('markdownDisplay', isMarkdown ? 'false' : 'true');
+    
+    // 更新显示
+    if (isMarkdown) {
+        // 当前是Markdown，切换到原始文本
+        displayEl.innerHTML = `<pre style="white-space: pre-wrap; word-break: break-all;">${escapeHtml(rawContent)}</pre>`;
+    } else {
+        // 当前是原始文本，切换到Markdown
+        displayEl.innerHTML = renderMarkdown(rawContent);
+    }
+    
+    // 同步更新其他开关状态
+    document.querySelectorAll(`input[id^="markdownToggle-${itemId}"]`).forEach(toggle => {
+        toggle.checked = localStorage.getItem('markdownDisplay') !== 'false';
+    });
+}
+
 // 简单Markdown渲染（支持标题、粗体、斜体、代码、链接、列表）
 function renderMarkdown(text) {
     if (!text) return '';