feat: v0.11.0 —— 侧栏加「目录」页签，展示文档大纲

- 侧栏顶部两个页签：文件（默认）/ 目录，切换状态会记住
- 目录页遍历当前文档的 1–6 级标题：按层级用全角空格缩进，
  H1/H2 加粗，深层级字号略小，鼠标悬停显示完整标题
- 围栏代码块里的 # 不会被当成标题（扫描时跟踪围栏状态）
- 点目录项跳到对应行并居中；编辑停下 250ms 后自动重建目录
- 目录模式下隐藏文件夹名和 Git 工具条
- 新增 4 条翻译（目录 / Outline、没有标题 等）
- 版本 0.11.0

translations/voiletmark_en.ts

@@ -1,10 +1,9 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!DOCTYPE TS>
+<?xml version='1.0' encoding='utf-8'?>
 <TS version="2.1" language="en_US">
 <context>
     <name>GitRunner</name>
     <message>
-        <location filename="../src/GitRunner.cpp" line="32"/>
+        <location filename="../src/GitRunner.cpp" line="32" />
         <source>
 （超时，已中止）</source>
         <translation>
@@ -14,447 +13,464 @@
 <context>
     <name>MainWindow</name>
     <message>
-        <location filename="../src/MainWindow.cpp" line="191"/>
-        <location filename="../src/MainWindow.cpp" line="849"/>
+        <location filename="../src/MainWindow.cpp" line="204" />
+        <location filename="../src/MainWindow.cpp" line="965" />
         <source>新建</source>
         <translation>New</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="195"/>
-        <location filename="../src/MainWindow.cpp" line="850"/>
+        <location filename="../src/MainWindow.cpp" line="208" />
+        <location filename="../src/MainWindow.cpp" line="966" />
         <source>打开…</source>
         <translation>Open…</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="199"/>
-        <location filename="../src/MainWindow.cpp" line="852"/>
+        <location filename="../src/MainWindow.cpp" line="212" />
+        <location filename="../src/MainWindow.cpp" line="968" />
         <source>保存</source>
         <translation>Save</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="203"/>
-        <location filename="../src/MainWindow.cpp" line="853"/>
+        <location filename="../src/MainWindow.cpp" line="216" />
+        <location filename="../src/MainWindow.cpp" line="969" />
         <source>另存为…</source>
         <translation>Save As…</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="207"/>
-        <location filename="../src/MainWindow.cpp" line="854"/>
+        <location filename="../src/MainWindow.cpp" line="220" />
+        <location filename="../src/MainWindow.cpp" line="970" />
         <source>导出 PDF…</source>
         <translation>Export PDF…</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="211"/>
-        <location filename="../src/MainWindow.cpp" line="855"/>
+        <location filename="../src/MainWindow.cpp" line="224" />
+        <location filename="../src/MainWindow.cpp" line="971" />
         <source>退出</source>
         <translation>Quit</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="215"/>
-        <location filename="../src/MainWindow.cpp" line="857"/>
+        <location filename="../src/MainWindow.cpp" line="228" />
+        <location filename="../src/MainWindow.cpp" line="973" />
         <source>撤销</source>
         <translation>Undo</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="219"/>
-        <location filename="../src/MainWindow.cpp" line="858"/>
+        <location filename="../src/MainWindow.cpp" line="232" />
+        <location filename="../src/MainWindow.cpp" line="974" />
         <source>重做</source>
         <translation>Redo</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="223"/>
-        <location filename="../src/MainWindow.cpp" line="859"/>
+        <location filename="../src/MainWindow.cpp" line="236" />
+        <location filename="../src/MainWindow.cpp" line="975" />
         <source>剪切</source>
         <translation>Cut</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="227"/>
-        <location filename="../src/MainWindow.cpp" line="860"/>
+        <location filename="../src/MainWindow.cpp" line="240" />
+        <location filename="../src/MainWindow.cpp" line="976" />
         <source>复制</source>
         <translation>Copy</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="231"/>
-        <location filename="../src/MainWindow.cpp" line="861"/>
+        <location filename="../src/MainWindow.cpp" line="244" />
+        <location filename="../src/MainWindow.cpp" line="977" />
         <source>粘贴</source>
         <translation>Paste</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="235"/>
-        <location filename="../src/MainWindow.cpp" line="862"/>
+        <location filename="../src/MainWindow.cpp" line="248" />
+        <location filename="../src/MainWindow.cpp" line="978" />
         <source>全选</source>
         <translation>Select All</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="239"/>
-        <location filename="../src/MainWindow.cpp" line="866"/>
+        <location filename="../src/MainWindow.cpp" line="252" />
+        <location filename="../src/MainWindow.cpp" line="982" />
         <source>自动换行</source>
         <translation>Word Wrap</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="244"/>
-        <location filename="../src/MainWindow.cpp" line="867"/>
+        <location filename="../src/MainWindow.cpp" line="257" />
+        <location filename="../src/MainWindow.cpp" line="983" />
         <source>放大</source>
         <translation>Zoom In</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="248"/>
-        <location filename="../src/MainWindow.cpp" line="868"/>
+        <location filename="../src/MainWindow.cpp" line="261" />
+        <location filename="../src/MainWindow.cpp" line="984" />
         <source>缩小</source>
         <translation>Zoom Out</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="252"/>
-        <location filename="../src/MainWindow.cpp" line="869"/>
+        <location filename="../src/MainWindow.cpp" line="265" />
+        <location filename="../src/MainWindow.cpp" line="985" />
         <source>实际大小</source>
         <translation>Actual Size</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="261"/>
-        <location filename="../src/MainWindow.cpp" line="851"/>
+        <location filename="../src/MainWindow.cpp" line="274" />
+        <location filename="../src/MainWindow.cpp" line="967" />
         <source>打开文件夹…</source>
         <translation>Open Folder…</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="265"/>
-        <location filename="../src/MainWindow.cpp" line="473"/>
-        <location filename="../src/MainWindow.cpp" line="864"/>
-        <location filename="../src/MainWindow.cpp" line="885"/>
+        <location filename="../src/MainWindow.cpp" line="278" />
+        <location filename="../src/MainWindow.cpp" line="534" />
+        <location filename="../src/MainWindow.cpp" line="980" />
+        <location filename="../src/MainWindow.cpp" line="1001" />
         <source>侧栏</source>
         <translation>Sidebar</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="279"/>
-        <location filename="../src/MainWindow.cpp" line="865"/>
+        <location filename="../src/MainWindow.cpp" line="292" />
+        <location filename="../src/MainWindow.cpp" line="981" />
         <source>源代码模式</source>
         <translation>Source Mode</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="284"/>
-        <location filename="../src/MainWindow.cpp" line="881"/>
+        <location filename="../src/MainWindow.cpp" line="297" />
+        <location filename="../src/MainWindow.cpp" line="997" />
         <source>代码块</source>
         <translation>Code Block</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="291"/>
-        <location filename="../src/MainWindow.cpp" line="879"/>
+        <location filename="../src/MainWindow.cpp" line="304" />
+        <location filename="../src/MainWindow.cpp" line="995" />
         <source>标题 %1</source>
         <translation>Heading %1</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="302"/>
+        <location filename="../src/MainWindow.cpp" line="315" />
         <source>文件夹</source>
         <translation>Folder</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="313"/>
-        <location filename="../src/MainWindow.cpp" line="1030"/>
+        <location filename="../src/MainWindow.cpp" line="350" />
+        <location filename="../src/MainWindow.cpp" line="1147" />
         <source>未打开文件夹</source>
         <translation>No folder open</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="331"/>
-        <location filename="../src/MainWindow.cpp" line="1163"/>
+        <location filename="../src/MainWindow.cpp" line="392" />
+        <location filename="../src/MainWindow.cpp" line="1280" />
         <source>Git 仓库</source>
         <translation>Git repository</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="344"/>
-        <location filename="../src/MainWindow.cpp" line="1228"/>
+        <location filename="../src/MainWindow.cpp" line="405" />
+        <location filename="../src/MainWindow.cpp" line="1428" />
         <source>拉取</source>
         <translation>Pull</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="344"/>
+        <location filename="../src/MainWindow.cpp" line="405" />
         <source>git pull --ff-only</source>
         <translation>git pull --ff-only</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="343"/>
-        <location filename="../src/MainWindow.cpp" line="1236"/>
+        <location filename="../src/MainWindow.cpp" line="404" />
+        <location filename="../src/MainWindow.cpp" line="1436" />
         <source>获取</source>
         <translation>Fetch</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="343"/>
+        <location filename="../src/MainWindow.cpp" line="404" />
         <source>git fetch --all --prune</source>
         <translation>git fetch --all --prune</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="347"/>
-        <location filename="../src/MainWindow.cpp" line="1243"/>
-        <location filename="../src/MainWindow.cpp" line="1351"/>
+        <location filename="../src/MainWindow.cpp" line="408" />
+        <location filename="../src/MainWindow.cpp" line="1443" />
+        <location filename="../src/MainWindow.cpp" line="1551" />
         <source>推送</source>
         <translation>Push</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="347"/>
+        <location filename="../src/MainWindow.cpp" line="408" />
         <source>git push</source>
         <translation>git push</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="1250"/>
+        <location filename="../src/MainWindow.cpp" line="1450" />
         <source>暂存</source>
         <translation>Stage</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="345"/>
+        <location filename="../src/MainWindow.cpp" line="406" />
         <source>git add -A</source>
         <translation>git add -A</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="346"/>
-        <location filename="../src/MainWindow.cpp" line="1263"/>
-        <location filename="../src/MainWindow.cpp" line="1270"/>
-        <location filename="../src/MainWindow.cpp" line="1274"/>
-        <location filename="../src/MainWindow.cpp" line="1350"/>
+        <location filename="../src/MainWindow.cpp" line="407" />
+        <location filename="../src/MainWindow.cpp" line="1463" />
+        <location filename="../src/MainWindow.cpp" line="1470" />
+        <location filename="../src/MainWindow.cpp" line="1474" />
+        <location filename="../src/MainWindow.cpp" line="1550" />
         <source>提交</source>
         <translation>Commit</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="346"/>
+        <location filename="../src/MainWindow.cpp" line="407" />
         <source>把暂存区的内容提交</source>
         <translation>Commit the staged changes</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="381"/>
-        <location filename="../src/MainWindow.cpp" line="839"/>
+        <location filename="../src/MainWindow.cpp" line="340" />
+        <location filename="../src/MainWindow.cpp" line="442" />
+        <location filename="../src/MainWindow.cpp" line="955" />
         <source>文件</source>
         <translation>File</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="385"/>
-        <location filename="../src/MainWindow.cpp" line="844"/>
+        <location filename="../src/MainWindow.cpp" line="341" />
+        <source>目录</source>
+        <translation>Outline</translation>
+    </message>
+    <message>
+        <location filename="../src/MainWindow.cpp" line="446" />
+        <location filename="../src/MainWindow.cpp" line="960" />
         <source>最近打开</source>
         <translation>Recent Files</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="393"/>
-        <location filename="../src/MainWindow.cpp" line="840"/>
+        <location filename="../src/MainWindow.cpp" line="454" />
+        <location filename="../src/MainWindow.cpp" line="956" />
         <source>编辑</source>
         <translation>Edit</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="403"/>
-        <location filename="../src/MainWindow.cpp" line="841"/>
+        <location filename="../src/MainWindow.cpp" line="464" />
+        <location filename="../src/MainWindow.cpp" line="957" />
         <source>视图</source>
         <translation>View</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="414"/>
-        <location filename="../src/MainWindow.cpp" line="845"/>
+        <location filename="../src/MainWindow.cpp" line="475" />
+        <location filename="../src/MainWindow.cpp" line="961" />
         <source>主题</source>
         <translation>Theme</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="422"/>
-        <location filename="../src/MainWindow.cpp" line="875"/>
+        <location filename="../src/MainWindow.cpp" line="483" />
+        <location filename="../src/MainWindow.cpp" line="991" />
         <source>6:00–18:00 使用浅色，其余时间使用深色</source>
         <translation>Light from 6:00 to 18:00, dark the rest of the day</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="440"/>
-        <location filename="../src/MainWindow.cpp" line="847"/>
+        <location filename="../src/MainWindow.cpp" line="501" />
+        <location filename="../src/MainWindow.cpp" line="963" />
         <source>语言</source>
         <translation>Language</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="457"/>
-        <location filename="../src/MainWindow.cpp" line="842"/>
+        <location filename="../src/MainWindow.cpp" line="518" />
+        <location filename="../src/MainWindow.cpp" line="958" />
         <source>格式</source>
         <translation>Format</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="458"/>
-        <location filename="../src/MainWindow.cpp" line="846"/>
+        <location filename="../src/MainWindow.cpp" line="519" />
+        <location filename="../src/MainWindow.cpp" line="962" />
         <source>标题</source>
         <translation>Heading</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="465"/>
-        <location filename="../src/MainWindow.cpp" line="843"/>
+        <location filename="../src/MainWindow.cpp" line="526" />
+        <location filename="../src/MainWindow.cpp" line="959" />
         <source>帮助</source>
         <translation>Help</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="466"/>
-        <location filename="../src/MainWindow.cpp" line="882"/>
-        <location filename="../src/MainWindow.cpp" line="912"/>
+        <location filename="../src/MainWindow.cpp" line="527" />
+        <location filename="../src/MainWindow.cpp" line="998" />
+        <location filename="../src/MainWindow.cpp" line="1028" />
         <source>关于 VoiletMark</source>
         <translation>About VoiletMark</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="477"/>
-        <location filename="../src/MainWindow.cpp" line="886"/>
+        <location filename="../src/MainWindow.cpp" line="538" />
+        <location filename="../src/MainWindow.cpp" line="1002" />
         <source>显示 / 隐藏文件夹侧栏（Ctrl+B）</source>
         <translation>Show / hide the folder sidebar (Ctrl+B)</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="485"/>
-        <location filename="../src/MainWindow.cpp" line="889"/>
+        <location filename="../src/MainWindow.cpp" line="546" />
+        <location filename="../src/MainWindow.cpp" line="1005" />
         <source>源代码模式：关闭语法高亮与行号（Ctrl+Shift+M）</source>
         <translation>Source mode: turn off highlighting and line numbers (Ctrl+Shift+M)</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="565"/>
-        <location filename="../src/MainWindow.cpp" line="680"/>
+        <location filename="../src/MainWindow.cpp" line="630" />
+        <location filename="../src/MainWindow.cpp" line="761" />
         <source>未命名</source>
         <translation>Untitled</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="614"/>
+        <location filename="../src/MainWindow.cpp" line="679" />
         <source>打开 Markdown 文件</source>
         <translation>Open Markdown File</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="615"/>
+        <location filename="../src/MainWindow.cpp" line="680" />
         <source>Markdown 文件 (*.md *.markdown *.mdown *.mkd);;文本文件 (*.txt);;所有文件 (*)</source>
         <translation>Markdown files (*.md *.markdown *.mdown *.mkd);;Text files (*.txt);;All files (*)</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="632"/>
+        <location filename="../src/MainWindow.cpp" line="698" />
         <source>无法打开文件</source>
         <translation>Cannot Open File</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="633"/>
+        <location filename="../src/MainWindow.cpp" line="699" />
         <source>读取「%1」失败：%2</source>
-        <translation>Could not read &quot;%1&quot;: %2</translation>
+        <translation>Could not read "%1": %2</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="667"/>
+        <location filename="../src/MainWindow.cpp" line="733" />
         <source>另存为</source>
         <translation>Save As</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="668"/>
+        <location filename="../src/MainWindow.cpp" line="734" />
         <source>Markdown 文件 (*.md);;文本文件 (*.txt);;所有文件 (*)</source>
         <translation>Markdown files (*.md);;Text files (*.txt);;All files (*)</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="685"/>
+        <location filename="../src/MainWindow.cpp" line="766" />
         <source>导出 PDF</source>
         <translation>Export PDF</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="686"/>
+        <location filename="../src/MainWindow.cpp" line="767" />
         <source>PDF 文件 (*.pdf)</source>
         <translation>PDF files (*.pdf)</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="705"/>
+        <location filename="../src/MainWindow.cpp" line="774" />
+        <source>正在导出 PDF…</source>
+        <translation>Exporting PDF…</translation>
+    </message>
+    <message>
+        <location filename="../src/MainWindow.cpp" line="811" />
+        <location filename="../src/MainWindow.cpp" line="821" />
         <source>导出失败</source>
         <translation>Export Failed</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="706"/>
-        <source>没能写出「%1」，换个位置再试一次。</source>
-        <translation>Could not write &quot;%1&quot;. Try another location.</translation>
+        <location filename="../src/MainWindow.cpp" line="811" />
+        <source>文档排版结果异常，已中止导出。</source>
+        <translation>The document layout looks broken; export was aborted.</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="710"/>
+        <location filename="../src/MainWindow.cpp" line="822" />
+        <source>没能写出「%1」，换个位置再试一次。</source>
+        <translation>Could not write "%1". Try another location.</translation>
+    </message>
+    <message>
+        <location filename="../src/MainWindow.cpp" line="826" />
         <source>已导出 %1</source>
         <translation>Exported to %1</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="725"/>
-        <location filename="../src/MainWindow.cpp" line="732"/>
-        <location filename="../src/MainWindow.cpp" line="737"/>
+        <location filename="../src/MainWindow.cpp" line="841" />
+        <location filename="../src/MainWindow.cpp" line="848" />
+        <location filename="../src/MainWindow.cpp" line="853" />
         <source>无法保存文件</source>
         <translation>Cannot Save File</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="726"/>
+        <location filename="../src/MainWindow.cpp" line="842" />
         <source>写入「%1」失败：%2</source>
-        <translation>Could not write &quot;%1&quot;: %2</translation>
+        <translation>Could not write "%1": %2</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="733"/>
+        <location filename="../src/MainWindow.cpp" line="849" />
         <source>写入「%1」时发生错误。</source>
-        <translation>An error occurred while writing &quot;%1&quot;.</translation>
+        <translation>An error occurred while writing "%1".</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="738"/>
+        <location filename="../src/MainWindow.cpp" line="854" />
         <source>提交「%1」失败：%2</source>
-        <translation>Could not commit &quot;%1&quot;: %2</translation>
+        <translation>Could not commit "%1": %2</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="746"/>
+        <location filename="../src/MainWindow.cpp" line="862" />
         <source>已保存 %1</source>
         <translation>Saved to %1</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="756"/>
+        <location filename="../src/MainWindow.cpp" line="872" />
         <source>VoiletMark</source>
         <translation>VoiletMark</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="757"/>
+        <location filename="../src/MainWindow.cpp" line="873" />
         <source>「%1」有未保存的修改，是否保存？</source>
-        <translation>&quot;%1&quot; has unsaved changes. Save them?</translation>
+        <translation>"%1" has unsaved changes. Save them?</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="781"/>
+        <location filename="../src/MainWindow.cpp" line="897" />
         <source>%1[*] — VoiletMark</source>
         <translation>%1[*] — VoiletMark</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="800"/>
+        <location filename="../src/MainWindow.cpp" line="916" />
         <source>行 %1，列 %2</source>
         <translation>Line %1, Col %2</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="802"/>
+        <location filename="../src/MainWindow.cpp" line="918" />
         <source>    已选 %1 字</source>
         <translation>    %1 selected</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="803"/>
+        <location filename="../src/MainWindow.cpp" line="919" />
         <source>    %1 字</source>
         <translation>    %1 chars</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="916"/>
+        <location filename="../src/MainWindow.cpp" line="1032" />
         <source>&lt;h3&gt;VoiletMark %1&lt;/h3&gt;&lt;p&gt;一个轻量的跨平台 Markdown 编辑器。&lt;/p&gt;&lt;p&gt;基于 Qt %2 与 C++17 构建。&lt;/p&gt;</source>
         <translation>&lt;h3&gt;VoiletMark %1&lt;/h3&gt;&lt;p&gt;A lightweight cross-platform Markdown editor.&lt;/p&gt;&lt;p&gt;Built with Qt %2 and C++17.&lt;/p&gt;</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="951"/>
+        <location filename="../src/MainWindow.cpp" line="1067" />
         <source>（暂无记录）</source>
         <translation>(none)</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="964"/>
+        <location filename="../src/MainWindow.cpp" line="1080" />
         <source>清空列表</source>
         <translation>Clear List</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="974"/>
+        <location filename="../src/MainWindow.cpp" line="1090" />
         <source>打开文件夹</source>
         <translation>Open Folder</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="1031"/>
+        <location filename="../src/MainWindow.cpp" line="1148" />
         <source>文件 → 打开文件夹…</source>
         <translation>File → Open Folder…</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="1067"/>
+        <location filename="../src/MainWindow.cpp" line="1184" />
         <source>（没有 Markdown 文件）</source>
         <translation>(no Markdown files)</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="1199"/>
+        <location filename="../src/MainWindow.cpp" line="1316" />
         <source>正在%1…</source>
         <translation>%1…</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="1209"/>
+        <location filename="../src/MainWindow.cpp" line="1326" />
         <source>Git 操作失败</source>
         <translation>Git Operation Failed</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="1210"/>
+        <location filename="../src/MainWindow.cpp" line="1327" />
         <source>%1失败：
 
 %2</source>
@@ -463,119 +479,124 @@
 %2</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="1211"/>
+        <location filename="../src/MainWindow.cpp" line="1328" />
         <source>（没有输出）</source>
         <translation>(no output)</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="1217"/>
+        <location filename="../src/MainWindow.cpp" line="1334" />
         <source>%1完成</source>
         <translation>%1 finished</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="1264"/>
-        <source>暂存区是空的，先点「暂存」把所有改动加进去。</source>
-        <translation>Nothing is staged yet. Click &quot;Stage&quot; first to add all changes.</translation>
+        <location filename="../src/MainWindow.cpp" line="1409" />
+        <source>（没有标题）</source>
+        <translation>(no headings)</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="1270"/>
+        <location filename="../src/MainWindow.cpp" line="1464" />
+        <source>暂存区是空的，先点「暂存」把所有改动加进去。</source>
+        <translation>Nothing is staged yet. Click "Stage" first to add all changes.</translation>
+    </message>
+    <message>
+        <location filename="../src/MainWindow.cpp" line="1470" />
         <source>提交说明：</source>
         <translation>Commit message:</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="1282"/>
+        <location filename="../src/MainWindow.cpp" line="1482" />
         <source>添加到提交</source>
         <translation>Add to commit</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="1301"/>
+        <location filename="../src/MainWindow.cpp" line="1501" />
         <source>「%1」已经在 .gitignore 里了</source>
-        <translation>&quot;%1&quot; is already in .gitignore</translation>
+        <translation>"%1" is already in .gitignore</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="1307"/>
+        <location filename="../src/MainWindow.cpp" line="1507" />
         <source>忽略文件</source>
         <translation>Ignore File</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="1308"/>
+        <location filename="../src/MainWindow.cpp" line="1508" />
         <source>打不开 .gitignore：%1</source>
         <translation>Cannot open .gitignore: %1</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="1315"/>
+        <location filename="../src/MainWindow.cpp" line="1515" />
         <source>已把 %1 写进 .gitignore</source>
         <translation>Added %1 to .gitignore</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="1330"/>
-        <location filename="../src/MainWindow.cpp" line="1335"/>
-        <location filename="../src/MainWindow.cpp" line="1373"/>
+        <location filename="../src/MainWindow.cpp" line="1530" />
+        <location filename="../src/MainWindow.cpp" line="1535" />
+        <location filename="../src/MainWindow.cpp" line="1573" />
         <source>删除远端</source>
         <translation>Delete from remote</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="1331"/>
+        <location filename="../src/MainWindow.cpp" line="1531" />
         <source>「%1」没有被 git 跟踪，远端本来就没有它。</source>
-        <translation>&quot;%1&quot; is not tracked by git, so the remote never had it.</translation>
+        <translation>"%1" is not tracked by git, so the remote never had it.</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="1336"/>
+        <location filename="../src/MainWindow.cpp" line="1536" />
         <source>从仓库删除「%1」并推送到远端？
 
 本地文件会保留，远端和别人 pull 下来的仓库里会删掉它。</source>
-        <translation>Remove &quot;%1&quot; from the repository and push?
+        <translation>Remove "%1" from the repository and push?
 
-Your local file is kept, but the remote copy and everyone else&apos;s will be deleted.</translation>
+Your local file is kept, but the remote copy and everyone else's will be deleted.</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="1340"/>
+        <location filename="../src/MainWindow.cpp" line="1540" />
         <source>删除并推送</source>
         <translation>Delete and push</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="1349"/>
+        <location filename="../src/MainWindow.cpp" line="1549" />
         <source>chore: 从仓库删除 %1</source>
         <translation>chore: remove %1 from repository</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="345"/>
-        <location filename="../src/MainWindow.cpp" line="1368"/>
+        <location filename="../src/MainWindow.cpp" line="406" />
+        <location filename="../src/MainWindow.cpp" line="1568" />
         <source>添加</source>
         <translation>Add</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="1369"/>
+        <location filename="../src/MainWindow.cpp" line="1569" />
         <source>git add 这个文件</source>
         <translation>git add this file</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="1370"/>
+        <location filename="../src/MainWindow.cpp" line="1570" />
         <source>忽略</source>
         <translation>Ignore</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="1371"/>
+        <location filename="../src/MainWindow.cpp" line="1571" />
         <source>把路径写进 .gitignore（不改仓库里已跟踪的文件）</source>
         <translation>Add the path to .gitignore (does not untrack files already in the repo)</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="1374"/>
+        <location filename="../src/MainWindow.cpp" line="1574" />
         <source>git rm --cached 后提交并推送：远端删除，本地保留</source>
         <translation>git rm --cached, then commit and push: gone from the remote, kept locally</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="1341"/>
+        <location filename="../src/MainWindow.cpp" line="1541" />
         <source>取消</source>
         <translation>Cancel</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="1347"/>
+        <location filename="../src/MainWindow.cpp" line="1547" />
         <source>从仓库移除</source>
         <translation>Remove from repository</translation>
     </message>
     <message>
-        <location filename="../src/MainWindow.cpp" line="1364"/>
+        <location filename="../src/MainWindow.cpp" line="1564" />
         <source>打开</source>
         <translation>Open</translation>
     </message>
@@ -583,40 +604,40 @@ Your local file is kept, but the remote copy and everyone else&apos;s will be de
 <context>
     <name>MarkdownEditor</name>
     <message>
-        <location filename="../src/MarkdownEditor.cpp" line="577"/>
-        <location filename="../src/MarkdownEditor.cpp" line="701"/>
+        <location filename="../src/MarkdownEditor.cpp" line="590" />
+        <location filename="../src/MarkdownEditor.cpp" line="714" />
         <source>已复制</source>
         <translation>Copied</translation>
     </message>
     <message>
-        <location filename="../src/MarkdownEditor.cpp" line="577"/>
-        <location filename="../src/MarkdownEditor.cpp" line="701"/>
+        <location filename="../src/MarkdownEditor.cpp" line="590" />
+        <location filename="../src/MarkdownEditor.cpp" line="714" />
         <source>复制</source>
         <translation>Copy</translation>
     </message>
     <message>
-        <location filename="../src/MarkdownEditor.cpp" line="632"/>
-        <location filename="../src/MarkdownEditor.cpp" line="643"/>
+        <location filename="../src/MarkdownEditor.cpp" line="645" />
+        <location filename="../src/MarkdownEditor.cpp" line="656" />
         <source>纯文本</source>
         <translation>Plain text</translation>
     </message>
     <message>
-        <location filename="../src/MarkdownEditor.cpp" line="1095"/>
+        <location filename="../src/MarkdownEditor.cpp" line="1108" />
         <source>插入行</source>
         <translation>Insert row</translation>
     </message>
     <message>
-        <location filename="../src/MarkdownEditor.cpp" line="1110"/>
+        <location filename="../src/MarkdownEditor.cpp" line="1123" />
         <source>删除行</source>
         <translation>Delete row</translation>
     </message>
     <message>
-        <location filename="../src/MarkdownEditor.cpp" line="1120"/>
+        <location filename="../src/MarkdownEditor.cpp" line="1133" />
         <source>插入列</source>
         <translation>Insert column</translation>
     </message>
     <message>
-        <location filename="../src/MarkdownEditor.cpp" line="1135"/>
+        <location filename="../src/MarkdownEditor.cpp" line="1148" />
         <source>删除列</source>
         <translation>Delete column</translation>
     </message>
@@ -624,24 +645,24 @@ Your local file is kept, but the remote copy and everyone else&apos;s will be de
 <context>
     <name>QObject</name>
     <message>
-        <location filename="../src/ThemeManager.cpp" line="364"/>
+        <location filename="../src/ThemeManager.cpp" line="364" />
         <source>浅色</source>
         <translation>Light</translation>
     </message>
     <message>
-        <location filename="../src/ThemeManager.cpp" line="365"/>
+        <location filename="../src/ThemeManager.cpp" line="365" />
         <source>深色</source>
         <translation>Dark</translation>
     </message>
     <message>
-        <location filename="../src/ThemeManager.cpp" line="366"/>
+        <location filename="../src/ThemeManager.cpp" line="366" />
         <source>按时段自动</source>
         <translation>Scheduled</translation>
     </message>
     <message>
-        <location filename="../src/ThemeManager.cpp" line="369"/>
+        <location filename="../src/ThemeManager.cpp" line="369" />
         <source>跟随系统</source>
         <translation>Follow System</translation>
     </message>
 </context>
-</TS>
+</TS>