Update 12 files

- /vendor/libarchive/LICENSE
- /vendor/libarchive/worker-bundle.js
- /vendor/libarchive/wasm-gen/libarchive.js
- /vendor/libarchive/wasm-gen/libarchive.wasm
- /sw.js
- /offline.md
- /_layouts/default.html
- /_tools/serv00_post-receive
- /_tools/envs_post-receive
- /_data/proxylist.yml
- /assets/js/offline-page.js
- /assets/js/offline-unpack.js

12 files changed, 610 insertions, 5 deletions

diff --git a/_data/proxylist.yml b/_data/proxylist.yml
index 4cb705e..35ef0c9 100644
--- a/_data/proxylist.yml
+++ b/_data/proxylist.yml
@@ -17,7 +17,6 @@ mirrors:
 - https://mayx.vercel.app/
 - https://mayx.netlify.app/
 - https://mayx.gitnet.page/
-- https://mayx.stormkit.dev/
 - https://mayx.grebedoc.dev/
 - https://mayx.codeberg.page/
 - https://mayx.tildepages.org/
diff --git a/_layouts/default.html b/_layouts/default.html
index 616f962..13c7b59 100644
--- a/_layouts/default.html
+++ b/_layouts/default.html
@@ -98,7 +98,8 @@ layout: xslt_container
         <li><a href="{{ site.github.tar_url }}">Download <strong>TAR Ball</strong></a></li>
         <li><a href="{{ site.github.repository_url }}">View On <strong>GitHub</strong></a></li>
         {% else %}
-        <li style="width: 270px; border-right: none;"><a href="/MayxBlog.7z">Download <strong>7-Zip File</strong></a></li>
+        <li style="width: 174px;"><a href="/MayxBlog.7z">Download <strong>7-Zip File</strong></a></li>
+        <li style="width: 174px;"><a href="/offline.html">Manage <strong>Offline Mode</strong></a></li>
         {% endif %}
       </ul>
     </header>
diff --git a/_tools/envs_post-receive b/_tools/envs_post-receive
index fa0f7c6..1df73b4 100644
--- a/_tools/envs_post-receive
+++ b/_tools/envs_post-receive
@@ -7,7 +7,8 @@ mkdir Mabbs
 curl -L -o Mabbs/README.md https://github.com/Mabbs/Mabbs/raw/main/README.md
 bundle exec jekyll build -d ../public_html
 python3 _tools/blogquine.py --src-dir blog --quine-dir blog ../public_html/ MayxBlog.7z
-mv MayxBlog.7z ../public_html/
+7z a -mx9 -bd -bb0 MayxBlog-new.7z MayxBlog.7z
+mv MayxBlog-new.7z ../public_html/MayxBlog.7z
 cd ../public_html/
 unset GIT_DIR
 git init
@@ -18,6 +19,6 @@ git branch pages
 git remote add codeberg ssh://git@codeberg.org/mayx/pages.git
 git remote add bitbucket ssh://git@bitbucket.org/unmayx/unmayx.bitbucket.io.git
 git push -f codeberg main
-git push -f codeberg pages
+git push -f codeberg pages 
 git push -f bitbucket main
 /home/mayx/blog-env/node_modules/surge/bin/surge /home/mayx/public_html/ mayx.surge.sh
\ No newline at end of file
diff --git a/_tools/serv00_post-receive b/_tools/serv00_post-receive
index f0192dc..4ad6077 100644
--- a/_tools/serv00_post-receive
+++ b/_tools/serv00_post-receive
@@ -7,13 +7,15 @@ mkdir Mabbs
 curl -L -o Mabbs/README.md https://github.com/Mabbs/Mabbs/raw/main/README.md
 bundle exec jekyll build -d ../domains/mayx.serv00.net/public_html/
 python3 _tools/blogquine.py --src-dir blog --quine-dir blog ../domains/mayx.serv00.net/public_html/ MayxBlog.7z
-mv MayxBlog.7z ../domains/mayx.serv00.net/public_html/
+7zz a -mx9 -bd -bb0 MayxBlog-new.7z MayxBlog.7z
+mv MayxBlog-new.7z ../domains/mayx.serv00.net/public_html/MayxBlog.7z
 rsync -avz --delete ../domains/mayx.serv00.net/public_html/ mayx@web.sourceforge.net:/home/project-web/mayx/htdocs/
 cd ../domains/mayx.serv00.net/public_html/
 unset GIT_DIR
 git init
 git lfs install
 git lfs track "*.png"
+git lfs track "*.webp"
 git lfs track "*.moc"
 git lfs track "*.tgz"
 git lfs track "*.jpg"
diff --git a/assets/js/offline-page.js b/assets/js/offline-page.js
new file mode 100644
index 0000000..8b0bdb1
--- /dev/null
+++ b/assets/js/offline-page.js
@@ -0,0 +1,119 @@
+/*
+ * Mayx的博客 · /offline.html 控制页控制器（classic script，PJAX 兼容）
+ *
+ * 本体是 IIFE，不含模块语法：PJAX 换页时 jQuery 会重新执行本文件，
+ * 每次执行都重新查询元素、重新绑定事件，天然幂等。真正的解包逻辑在
+ * ES module /assets/js/offline-unpack.js 中，通过动态 import() 加载
+ * （浏览器模块缓存保证 PJAX 反复进入本页也不会重复加载）。
+ * 注意：本文件经 Liquid 原样输出，不能使用模板语法字符。
+ */
+
+(function () {
+  var MODULE_URL = '/assets/js/offline-unpack.js';
+  // 压缩包大致量级（当前约 27MB），仅用于进度条比例，不影响正确性
+  var EXPECTED_BYTES = 27 * 1024 * 1024;
+  var busy = false;
+
+  function el(id) { return document.getElementById(id); }
+  function fmtMB(bytes) { return (bytes / 1048576).toFixed(1) + ' MB'; }
+
+  function setMessage(text) {
+    el('offline-message').textContent = text || '';
+  }
+
+  function showProgress(show) {
+    el('offline-progress-box').hidden = !show;
+  }
+
+  function render(meta) {
+    var online = !meta;
+    el('offline-state').textContent = online
+      ? '在线模式（离线未启用）'
+      : '离线模式（优先从本地缓存加载）';
+    el('offline-version').textContent = online ? '-' : fmtMB(meta.payloadSize) + '（压缩包大小即版本号）';
+    el('offline-files').textContent = online ? '-' : meta.files + ' 个文件 / ' + fmtMB(meta.bytes);
+    el('offline-time').textContent = online ? '-' : new Date(meta.unpackedAt).toLocaleString();
+    el('offline-persist').textContent = online ? '-' : (meta.persisted ? '已授权（缓存不会被自动回收）' : '未授权（浏览器空间紧张时可能回收缓存）');
+    el('offline-enable').disabled = busy || !online;
+    el('offline-disable').disabled = busy || online;
+  }
+
+  function onProgress(info) {
+    if (info.done) return;
+    el('offline-progress').value = Math.min(100, (info.bytes / EXPECTED_BYTES) * 100);
+    el('offline-progress-text').textContent =
+      '已解包 ' + info.files + ' 个文件（' + fmtMB(info.bytes) + '）…';
+  }
+
+  function withModule(fn) {
+    return import(MODULE_URL).then(fn);
+  }
+
+  function refresh() {
+    if (!('serviceWorker' in navigator) || !('caches' in window)) {
+      el('offline-state').textContent = '当前浏览器不支持离线模式（需要 Service Worker）';
+      el('offline-enable').disabled = true;
+      el('offline-disable').disabled = true;
+      return;
+    }
+    withModule(function (mod) { return mod.ensureFresh(); }).then(function (fresh) {
+      render(fresh.ready ? fresh.meta : null);
+      if (fresh.stale) {
+        setMessage('检测到站点压缩包已更新，离线缓存已自动失效，当前处于在线模式。可重新启用离线模式。');
+      }
+    }).catch(function (e) {
+      setMessage('状态检测失败：' + (e && e.message ? e.message : e));
+    });
+  }
+
+  function onEnable() {
+    busy = true;
+    render(null);
+    showProgress(true);
+    setMessage('正在下载并解包站点压缩包，请保持网络连接…');
+    withModule(function (mod) { return mod.activateOffline({ onProgress: onProgress }); })
+      .then(function (meta) {
+        el('offline-progress').value = 100;
+        el('offline-progress-text').textContent = '解包完成';
+        setMessage('离线模式已启用。之后访问本博客将优先使用本地缓存，断网也能阅读。');
+        busy = false;
+        showProgress(false);
+        render(meta); // 立即展示离线状态，不必等后台刷新
+      })
+      .catch(function (e) {
+        setMessage('启用失败：' + (e && e.message ? e.message : e));
+        busy = false;
+        showProgress(false);
+        refresh();
+      });
+  }
+
+  function onDisable() {
+    busy = true;
+    setMessage('');
+    withModule(function (mod) { return mod.deactivateOffline(); })
+      .then(function () {
+        setMessage('已切回在线模式，之后页面将通过网络加载。');
+        busy = false;
+        render(null);
+        if (navigator.onLine) {
+          setTimeout(function () { location.reload(); }, 800);
+        }
+      })
+      .catch(function (e) {
+        setMessage('操作失败：' + (e && e.message ? e.message : e));
+        busy = false;
+        refresh();
+      });
+  }
+
+  function bind() {
+    var enable = el('offline-enable');
+    if (!enable) return; // 不在控制页（PJAX 容错）
+    enable.addEventListener('click', onEnable);
+    el('offline-disable').addEventListener('click', onDisable);
+    refresh();
+  }
+
+  bind();
+})();
diff --git a/assets/js/offline-unpack.js b/assets/js/offline-unpack.js
new file mode 100644
index 0000000..07893bd
--- /dev/null
+++ b/assets/js/offline-unpack.js
@@ -0,0 +1,269 @@
+/*
+ * Mayx的博客 · 离线模式核心逻辑（/offline.html 控制页使用，ES module）
+ *
+ * - activateOffline()：注册 SW，下载站点压缩包 /MayxBlog.7z，经 libarchive(WASM)
+ *   流式解包，把每个文件按站点路径写入 Cache Storage，最后写入就绪标记
+ *   （清单 + payloadSize 版本号），自此进入离线模式。
+ * - ensureFresh()：HEAD 探测线上压缩包大小，与标记中的 payloadSize 不一致
+ *   说明站点已更新 → 清空缓存，回退在线模式。
+ * - deactivateOffline()：清空缓存，手动切回在线模式。
+ * - readStatus()：读取当前离线状态，供控制页展示。
+ *
+ */
+
+const ARCHIVE_URL = '/MayxBlog.7z';
+const ARCHIVE_ROOT = 'blog/';
+const CACHE_NAME = 'mayxblog-offline-v1';
+const READY_KEY = '/__offline_manifest__';
+const WORKER_URL = '/vendor/libarchive/worker-bundle.js';
+
+const MIME = {
+  html: 'text/html; charset=utf-8',
+  htm: 'text/html; charset=utf-8',
+  css: 'text/css; charset=utf-8',
+  js: 'application/javascript; charset=utf-8',
+  mjs: 'application/javascript; charset=utf-8',
+  json: 'application/json; charset=utf-8',
+  xml: 'application/xml; charset=utf-8',
+  xsl: 'text/xsl; charset=utf-8',
+  opml: 'text/x-opml; charset=utf-8',
+  txt: 'text/plain; charset=utf-8',
+  md: 'text/markdown; charset=utf-8',
+  csv: 'text/csv; charset=utf-8',
+  svg: 'image/svg+xml',
+  png: 'image/png',
+  jpg: 'image/jpeg',
+  jpeg: 'image/jpeg',
+  gif: 'image/gif',
+  webp: 'image/webp',
+  avif: 'image/avif',
+  ico: 'image/x-icon',
+  bmp: 'image/bmp',
+  woff: 'font/woff',
+  woff2: 'font/woff2',
+  ttf: 'font/ttf',
+  otf: 'font/otf',
+  eot: 'application/vnd.ms-fontobject',
+  mp3: 'audio/mpeg',
+  mp4: 'video/mp4',
+  webm: 'video/webm',
+  '7z': 'application/x-7z-compressed',
+  zip: 'application/zip',
+  wasm: 'application/wasm',
+  mtn: 'application/octet-stream',
+  moc: 'application/octet-stream',
+  pdf: 'application/pdf',
+};
+
+function mimeFor(pathname) {
+  const dot = pathname.lastIndexOf('.');
+  const ext = dot === -1 ? '' : pathname.slice(dot + 1).toLowerCase();
+  return MIME[ext] || 'application/octet-stream';
+}
+
+function sitePathFor(entryPath) {
+  const normalized = entryPath.replace(/\\/g, '/');
+  if (!normalized.startsWith(ARCHIVE_ROOT)) return null;
+  const relative = normalized.slice(ARCHIVE_ROOT.length);
+  if (!relative) return null;
+
+  const segments = [];
+  for (const segment of relative.split('/')) {
+    if (!segment || segment === '.') continue;
+    if (segment === '..') return null;
+    segments.push(segment);
+  }
+  if (!segments.length) return null;
+  return '/' + segments.join('/');
+}
+
+/*
+ * 在独立 worker 中打开一层压缩包并流式吐出条目；
+ * 返回其中根级嵌套压缩包（下一层包装）的原始字节。
+ */
+function extractLayer(file, onEntry) {
+  return new Promise((resolve, reject) => {
+    const worker = new Worker(WORKER_URL);
+    const nested = [];
+    let settled = false;
+
+    const finish = (error) => {
+      if (settled) return;
+      settled = true;
+      worker.terminate();
+      if (error) reject(error);
+      else resolve(nested);
+    };
+
+    worker.addEventListener('error', (event) => {
+      finish(new Error(event.message || 'libarchive worker failed'));
+    });
+
+    worker.addEventListener('message', ({ data }) => {
+      if (data.type === 'ERROR') {
+        finish(new Error(data.error && data.error.message ? data.error.message : 'libarchive failed'));
+        return;
+      }
+      if (data.type === 'READY') {
+        worker.postMessage({ type: 'OPEN', file });
+        return;
+      }
+      if (data.type === 'OPENED') {
+        worker.postMessage({ type: 'EXTRACT_FILES' });
+        return;
+      }
+      if (data.type === 'END') {
+        finish(null);
+        return;
+      }
+      if (data.type !== 'ENTRY') return;
+
+      const entry = data.entry;
+      if (entry.type !== 'FILE' || !entry.fileData) return;
+
+      // 根级压缩包是下一层包装，不是站点内容
+      if (entry.path.replace(/\\/g, '/') === 'MayxBlog.7z') {
+        nested.push(entry.fileData);
+        return;
+      }
+      onEntry(entry);
+    });
+  });
+}
+
+/* 几十 MB 的缓存是浏览器常见的回收对象，而重新解包代价高，尽量申请持久存储。 */
+async function requestPersistence() {
+  if (!navigator.storage || !navigator.storage.persist) return false;
+  try {
+    if (await navigator.storage.persisted()) return true;
+    return await navigator.storage.persist();
+  } catch {
+    return false;
+  }
+}
+
+/* 读取就绪标记（= 离线模式状态）；损坏或缺清单的标记视为不存在。 */
+export async function readStatus() {
+  const cache = await caches.open(CACHE_NAME);
+  const hit = await cache.match(READY_KEY);
+  if (!hit) return null;
+  const meta = await hit.json().catch(() => null);
+  if (!meta || !Array.isArray(meta.keys) || !meta.keys.length) return null;
+  return meta;
+}
+
+/*
+ * 线上压缩包的大小即版本号。HEAD 不被 SW 拦截，拿到的一定是线上真实值；
+ * 网络失败返回 null，调用方选择信任现有缓存而不是误伤。
+ */
+async function payloadSize() {
+  try {
+    const response = await fetch(ARCHIVE_URL, { method: 'HEAD', cache: 'no-store' });
+    if (!response.ok) return null;
+    const size = Number(response.headers.get('content-length'));
+    return Number.isFinite(size) && size > 0 ? size : null;
+  } catch {
+    return null;
+  }
+}
+
+/*
+ * 控制页打开时调用：未启用 → {ready:false}；已启用且版本一致 → {ready:true, meta}；
+ * 版本不一致 → 清空缓存并返回 {ready:false, stale:true}（已回退在线模式）。
+ */
+export async function ensureFresh() {
+  const cache = await caches.open(CACHE_NAME);
+  const size = await payloadSize();
+  const meta = await readStatus();
+
+  if (!meta) return { ready: false, size, stale: false };
+  if (size && meta.payloadSize !== size) {
+    await caches.delete(CACHE_NAME);
+    return { ready: false, size, stale: true };
+  }
+  return { ready: true, size, stale: false, meta };
+}
+
+/*
+ * 启用离线模式：注册 SW → 清空旧缓存（同时清掉上次中断的残留，保证随后
+ * 的压缩包下载不会被旧缓存喂旧的 quine 副本）→ 下载并逐层解包 → 写标记。
+ */
+export async function activateOffline({ onProgress } = {}) {
+  if (!('serviceWorker' in navigator)) {
+    throw new Error('当前浏览器不支持 Service Worker，无法启用离线模式。');
+  }
+  await navigator.serviceWorker.register('/sw.js', { scope: '/' });
+  await navigator.serviceWorker.ready;
+  await caches.delete(CACHE_NAME);
+
+  const persisted = await requestPersistence();
+
+  // 写操作串行链，保证按到达顺序落盘且不产生无界并发
+  const cache = await caches.open(CACHE_NAME);
+  let writes = Promise.resolve();
+  const keys = new Set();
+  let files = 0;
+  let bytes = 0;
+  let skipped = 0;
+
+  const response = await fetch(ARCHIVE_URL, { cache: 'no-store' });
+  if (!response.ok) throw new Error(`无法下载站点压缩包：HTTP ${response.status}`);
+  const outer = await response.arrayBuffer();
+  const downloadedBytes = outer.byteLength;
+
+  let layer = [outer];
+  while (layer.length) {
+    const bytesThisLayer = layer.shift();
+    const file = new File([bytesThisLayer], 'MayxBlog.7z');
+
+    layer = await extractLayer(file, (entry) => {
+      const key = sitePathFor(entry.path);
+      if (!key) {
+        skipped += 1;
+        return;
+      }
+      const body = entry.fileData;
+      files += 1;
+      bytes += body.byteLength;
+
+      writes = writes.then(async () => {
+        await cache.put(key, new Response(body, {
+          status: 200,
+          headers: { 'Content-Type': mimeFor(key) },
+        }));
+        keys.add(key);
+      });
+
+      if (onProgress) onProgress({ done: false, files, bytes, skipped });
+    });
+  }
+
+  await writes;
+
+  const meta = {
+    files,
+    bytes,
+    skipped,
+    persisted,
+    payloadSize: downloadedBytes,
+    failed: files - keys.size,
+    keys: [...keys],
+    unpackedAt: new Date().toISOString(),
+  };
+  await cache.put(
+    READY_KEY,
+    new Response(JSON.stringify(meta), {
+      headers: { 'Content-Type': 'application/json; charset=utf-8' },
+    })
+  );
+
+  if (onProgress) onProgress({ done: true, cached: false, ...meta });
+  return meta;
+}
+
+/* 切回在线模式：删掉缓存（含标记），SW 随即恢复纯转发。返回之前是否处于离线模式。 */
+export async function deactivateOffline() {
+  const had = await readStatus();
+  await caches.delete(CACHE_NAME);
+  return Boolean(had);
+}
diff --git a/offline.md b/offline.md
new file mode 100644
index 0000000..f571a9f
--- /dev/null
+++ b/offline.md
@@ -0,0 +1,37 @@
+---  
+layout: default
+title: 离线模式
+---
+
+# 离线模式
+
+本页用于管理本博客的离线阅读功能：
+
+- **启用离线模式**：浏览器会下载整站压缩包（`MayxBlog.7z`）并解包到本地缓存，之后即使没有网络也能正常浏览博客；
+- **自动回退**：当站点压缩包更新（博客重新部署）时，离线缓存会自动失效并回退到在线模式，下次重新启用即可获取最新内容；
+- **手动切换**：离线模式下可以随时在本页切回在线模式，切回后页面将重新通过网络加载。
+
+<table>  
+  <tbody>  
+    <tr><th>当前状态</th><td id="offline-state">检测中…</td></tr>  
+    <tr><th>缓存版本</th><td id="offline-version">-</td></tr>  
+    <tr><th>文件统计</th><td id="offline-files">-</td></tr>  
+    <tr><th>解包时间</th><td id="offline-time">-</td></tr>  
+    <tr><th>持久存储</th><td id="offline-persist">-</td></tr>  
+  </tbody>  
+</table>
+
+<p id="offline-progress-box" hidden="hidden">  
+  <progress id="offline-progress" max="100" value="0"></progress>  
+  
+  <small id="offline-progress-text">准备中…</small>  
+</p>
+
+<p><strong id="offline-message"></strong></p>
+
+<p>  
+  <button type="button" id="offline-enable">启用离线模式</button>  
+  <button type="button" id="offline-disable">切换回在线模式</button>  
+</p>
+
+<script src="/assets/js/offline-page.js"></script>
diff --git a/sw.js b/sw.js
new file mode 100644
index 0000000..106a0f1
--- /dev/null
+++ b/sw.js
@@ -0,0 +1,140 @@
+/*
+ * Mayx的博客 · 离线模式 Service Worker
+ *
+ * 两种模式（由 Cache Storage 中是否存在就绪标记决定）：
+ * - 在线模式（默认，无标记）：所有请求原样转发网络，SW 形同虚设。
+ * - 离线模式（/offline.html 启用后写入标记）：同源 GET 请求缓存优先，
+ *   缓存未命中且清单里没有的路径才回源网络，实现断网阅读。
+ *
+ * 版本控制：压缩包 /MayxBlog.7z 的 content-length 即版本号（每次重新部署
+ * 都会变化）。SW 激活时、以及导航请求按 RECHECK_INTERVAL 节流复核；
+ * 一旦发现线上压缩包与已缓存版本不一致，立即清空缓存 → 自动回退在线模式。
+ * 网络不可用时复核失败，保留缓存（离线阅读本来就是离线模式的目的）。
+ */
+
+const CACHE_NAME = 'mayxblog-offline-v1';
+const READY_KEY = '/__offline_manifest__';
+const ARCHIVE_URL = '/MayxBlog.7z';
+const RECHECK_INTERVAL = 5 * 60 * 1000;
+
+let lastRecheck = 0;
+
+self.addEventListener('install', () => {
+  self.skipWaiting();
+});
+
+self.addEventListener('activate', (event) => {
+  event.waitUntil(
+    caches.keys()
+      .then((keys) =>
+        Promise.all(keys.filter((k) => k !== CACHE_NAME).map((k) => caches.delete(k)))
+      )
+      .then(verifyPayloadVersion)
+      .then(() => self.clients.claim())
+  );
+});
+
+/*
+ * HEAD 请求不被下面的 fetch 处理器拦截，这里读到的一定是线上真实压缩包，
+ * 而不是缓存里的 quine 副本。网络失败返回 null，调用方选择信任现有缓存。
+ */
+async function payloadSize() {
+  try {
+    const response = await fetch(ARCHIVE_URL, { method: 'HEAD', cache: 'no-store' });
+    if (!response.ok) return null;
+    const size = Number(response.headers.get('content-length'));
+    return Number.isFinite(size) && size > 0 ? size : null;
+  } catch {
+    return null;
+  }
+}
+
+/*
+ * 就绪标记同时是清单：记录了解包写入的所有路径。没有它就无法区分
+ * “站点本来就没有这个页面”和“缓存条目被浏览器回收了”。
+ */
+async function readManifest(cache) {
+  const hit = await cache.match(READY_KEY);
+  if (!hit) return null;
+  const meta = await hit.json().catch(() => null);
+  if (!meta || !Array.isArray(meta.keys) || !meta.keys.length) return null;
+  return meta;
+}
+
+/* 压缩包更新 → 清空缓存（即回退在线模式）；返回是否发生了失效。 */
+async function verifyPayloadVersion() {
+  const cache = await caches.open(CACHE_NAME);
+  const meta = await readManifest(cache);
+  if (!meta) return false;
+  const size = await payloadSize();
+  if (size && meta.payloadSize !== size) {
+    await caches.delete(CACHE_NAME);
+    return true;
+  }
+  return false;
+}
+
+/* 服务器对目录索引的处理与 Jekyll 产物一致，这里补齐候选路径。 */
+function candidatesFor(pathname) {
+  const keys = [pathname];
+  if (pathname.endsWith('/')) {
+    keys.push(pathname + 'index.html');
+  } else {
+    keys.push(pathname + '/index.html');
+    keys.push(pathname + '.html');
+  }
+  return keys;
+}
+
+self.addEventListener('fetch', (event) => {
+  const request = event.request;
+  if (request.method !== 'GET') return; // HEAD 等直通网络（版本探测依赖这一点）
+
+  const url = new URL(request.url);
+  if (url.origin !== self.location.origin) return; // 跨域请求不干预
+
+  // 显式 no-store 的请求（重新下载压缩包等）绕过缓存，避免吃到旧的 quine 副本
+  if (request.cache === 'no-store') return;
+
+  event.respondWith(respond(request, url, event));
+});
+
+async function respond(request, url, event) {
+  const cache = await caches.open(CACHE_NAME);
+
+  // 导航请求顺带做节流版本复核；失效发生在后台，本次响应不受影响，
+  // 下一次请求自然落入在线模式。
+  if (request.mode === 'navigate' && Date.now() - lastRecheck > RECHECK_INTERVAL) {
+    lastRecheck = Date.now();
+    event.waitUntil(verifyPayloadVersion());
+  }
+
+  const candidates = candidatesFor(url.pathname);
+  for (const key of candidates) {
+    const hit = await cache.match(key);
+    if (hit) return hit;
+  }
+
+  const meta = await readManifest(cache);
+  if (!meta) return fetch(request); // 在线模式：纯转发
+
+  // 清单承诺过这个路径但缓存里没有 → 条目被浏览器回收，缓存已不可信，
+  // 整体作废并回退在线模式。
+  if (candidates.some((key) => meta.keys.includes(key))) {
+    await caches.delete(CACHE_NAME);
+    return fetch(request);
+  }
+
+  // 清单之外的路径回源网络；断网时的导航请求用站点 404 页兜底。
+  try {
+    return await fetch(request);
+  } catch (error) {
+    if (request.mode === 'navigate') {
+      const notFound = await cache.match('/404.html');
+      if (notFound) {
+        return new Response(notFound.body, { status: 404, headers: notFound.headers });
+      }
+    }
+    throw error;
+  }
+}
diff --git a/vendor/libarchive/LICENSE b/vendor/libarchive/LICENSE
new file mode 100644
index 0000000..d7e8a1d
--- /dev/null
+++ b/vendor/libarchive/LICENSE
@@ -0,0 +1,21 @@
+MIT License

+

+Copyright (c) 2018 ნიკა

+

+Permission is hereby granted, free of charge, to any person obtaining a copy

+of this software and associated documentation files (the "Software"), to deal

+in the Software without restriction, including without limitation the rights

+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

+copies of the Software, and to permit persons to whom the Software is

+furnished to do so, subject to the following conditions:

+

+The above copyright notice and this permission notice shall be included in all

+copies or substantial portions of the Software.

+

+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE

+SOFTWARE.

diff --git a/vendor/libarchive/wasm-gen/libarchive.js b/vendor/libarchive/wasm-gen/libarchive.js
new file mode 100644
index 0000000..6adea82
--- /dev/null
+++ b/vendor/libarchive/wasm-gen/libarchive.js
@@ -0,0 +1,15 @@
+
+var libarchive = (function() {
+  var _scriptDir = typeof document !== 'undefined' && document.currentScript ? document.currentScript.src : undefined;
+  return (
+function(libarchive) {
+  libarchive = libarchive || {};
+
+var Module=typeof libarchive!=="undefined"?libarchive:{};var moduleOverrides={};var key;for(key in Module){if(Module.hasOwnProperty(key)){moduleOverrides[key]=Module[key]}}Module["arguments"]=[];Module["thisProgram"]="./this.program";Module["quit"]=function(status,toThrow){throw toThrow};Module["preRun"]=[];Module["postRun"]=[];var ENVIRONMENT_IS_WEB=false;var ENVIRONMENT_IS_WORKER=false;var ENVIRONMENT_IS_NODE=false;var ENVIRONMENT_IS_SHELL=false;ENVIRONMENT_IS_WEB=typeof window==="object";ENVIRONMENT_IS_WORKER=typeof importScripts==="function";ENVIRONMENT_IS_NODE=typeof process==="object"&&typeof require==="function"&&!ENVIRONMENT_IS_WEB&&!ENVIRONMENT_IS_WORKER;ENVIRONMENT_IS_SHELL=!ENVIRONMENT_IS_WEB&&!ENVIRONMENT_IS_NODE&&!ENVIRONMENT_IS_WORKER;var scriptDirectory="";function locateFile(path){if(Module["locateFile"]){return Module["locateFile"](path,scriptDirectory)}else{return scriptDirectory+path}}if(ENVIRONMENT_IS_NODE){scriptDirectory=__dirname+"/";var nodeFS;var nodePath;Module["read"]=function shell_read(filename,binary){var ret;if(!nodeFS)nodeFS=require("fs");if(!nodePath)nodePath=require("path");filename=nodePath["normalize"](filename);ret=nodeFS["readFileSync"](filename);return binary?ret:ret.toString()};Module["readBinary"]=function readBinary(filename){var ret=Module["read"](filename,true);if(!ret.buffer){ret=new Uint8Array(ret)}assert(ret.buffer);return ret};if(process["argv"].length>1){Module["thisProgram"]=process["argv"][1].replace(/\\/g,"/")}Module["arguments"]=process["argv"].slice(2);process["on"]("uncaughtException",function(ex){if(!(ex instanceof ExitStatus)){throw ex}});process["on"]("unhandledRejection",abort);Module["quit"]=function(status){process["exit"](status)};Module["inspect"]=function(){return"[Emscripten Module object]"}}else if(ENVIRONMENT_IS_SHELL){if(typeof read!="undefined"){Module["read"]=function shell_read(f){return read(f)}}Module["readBinary"]=function readBinary(f){var data;if(typeof readbuffer==="function"){return new Uint8Array(readbuffer(f))}data=read(f,"binary");assert(typeof data==="object");return data};if(typeof scriptArgs!="undefined"){Module["arguments"]=scriptArgs}else if(typeof arguments!="undefined"){Module["arguments"]=arguments}if(typeof quit==="function"){Module["quit"]=function(status){quit(status)}}}else if(ENVIRONMENT_IS_WEB||ENVIRONMENT_IS_WORKER){if(ENVIRONMENT_IS_WORKER){scriptDirectory=self.location.href}else if(document.currentScript){scriptDirectory=document.currentScript.src}if(_scriptDir){scriptDirectory=_scriptDir}if(scriptDirectory.indexOf("blob:")!==0){scriptDirectory=scriptDirectory.substr(0,scriptDirectory.lastIndexOf("/")+1)}else{scriptDirectory=""}Module["read"]=function shell_read(url){var xhr=new XMLHttpRequest;xhr.open("GET",url,false);xhr.send(null);return xhr.responseText};if(ENVIRONMENT_IS_WORKER){Module["readBinary"]=function readBinary(url){var xhr=new XMLHttpRequest;xhr.open("GET",url,false);xhr.responseType="arraybuffer";xhr.send(null);return new Uint8Array(xhr.response)}}Module["readAsync"]=function readAsync(url,onload,onerror){var xhr=new XMLHttpRequest;xhr.open("GET",url,true);xhr.responseType="arraybuffer";xhr.onload=function xhr_onload(){if(xhr.status==200||xhr.status==0&&xhr.response){onload(xhr.response);return}onerror()};xhr.onerror=onerror;xhr.send(null)};Module["setWindowTitle"]=function(title){document.title=title}}else{}var out=Module["print"]||(typeof console!=="undefined"?console.log.bind(console):typeof print!=="undefined"?print:null);var err=Module["printErr"]||(typeof printErr!=="undefined"?printErr:typeof console!=="undefined"&&console.warn.bind(console)||out);for(key in moduleOverrides){if(moduleOverrides.hasOwnProperty(key)){Module[key]=moduleOverrides[key]}}moduleOverrides=undefined;function dynamicAlloc(size){var ret=HEAP32[DYNAMICTOP_PTR>>2];var end=ret+size+15&-16;if(end<=_emscripten_get_heap_size()){HEAP32[DYNAMICTOP_PTR>>2]=end}else{var success=_emscripten_resize_heap(end);if(!success)return 0}return ret}function getNativeTypeSize(type){switch(type){case"i1":case"i8":return 1;case"i16":return 2;case"i32":return 4;case"i64":return 8;case"float":return 4;case"double":return 8;default:{if(type[type.length-1]==="*"){return 4}else if(type[0]==="i"){var bits=parseInt(type.substr(1));assert(bits%8===0,"getNativeTypeSize invalid bits "+bits+", type "+type);return bits/8}else{return 0}}}}var asm2wasmImports={"f64-rem":function(x,y){return x%y},"debugger":function(){debugger}};var functionPointers=new Array(0);var tempRet0=0;var setTempRet0=function(value){tempRet0=value};if(typeof WebAssembly!=="object"){err("no native wasm support detected")}var wasmMemory;var wasmTable;var ABORT=false;var EXITSTATUS=0;function assert(condition,text){if(!condition){abort("Assertion failed: "+text)}}function getCFunc(ident){var func=Module["_"+ident];assert(func,"Cannot call unknown function "+ident+", make sure it is exported");return func}function ccall(ident,returnType,argTypes,args,opts){var toC={"string":function(str){var ret=0;if(str!==null&&str!==undefined&&str!==0){var len=(str.length<<2)+1;ret=stackAlloc(len);stringToUTF8(str,ret,len)}return ret},"array":function(arr){var ret=stackAlloc(arr.length);writeArrayToMemory(arr,ret);return ret}};function convertReturnValue(ret){if(returnType==="string")return UTF8ToString(ret);if(returnType==="boolean")return Boolean(ret);return ret}var func=getCFunc(ident);var cArgs=[];var stack=0;if(args){for(var i=0;i<args.length;i++){var converter=toC[argTypes[i]];if(converter){if(stack===0)stack=stackSave();cArgs[i]=converter(args[i])}else{cArgs[i]=args[i]}}}var ret=func.apply(null,cArgs);ret=convertReturnValue(ret);if(stack!==0)stackRestore(stack);return ret}function cwrap(ident,returnType,argTypes,opts){argTypes=argTypes||[];var numericArgs=argTypes.every(function(type){return type==="number"});var numericRet=returnType!=="string";if(numericRet&&numericArgs&&!opts){return getCFunc(ident)}return function(){return ccall(ident,returnType,argTypes,arguments,opts)}}function setValue(ptr,value,type,noSafe){type=type||"i8";if(type.charAt(type.length-1)==="*")type="i32";switch(type){case"i1":HEAP8[ptr>>0]=value;break;case"i8":HEAP8[ptr>>0]=value;break;case"i16":HEAP16[ptr>>1]=value;break;case"i32":HEAP32[ptr>>2]=value;break;case"i64":tempI64=[value>>>0,(tempDouble=value,+Math_abs(tempDouble)>=1?tempDouble>0?(Math_min(+Math_floor(tempDouble/4294967296),4294967295)|0)>>>0:~~+Math_ceil((tempDouble-+(~~tempDouble>>>0))/4294967296)>>>0:0)],HEAP32[ptr>>2]=tempI64[0],HEAP32[ptr+4>>2]=tempI64[1];break;case"float":HEAPF32[ptr>>2]=value;break;case"double":HEAPF64[ptr>>3]=value;break;default:abort("invalid type for setValue: "+type)}}var ALLOC_NORMAL=0;var ALLOC_NONE=3;function allocate(slab,types,allocator,ptr){var zeroinit,size;if(typeof slab==="number"){zeroinit=true;size=slab}else{zeroinit=false;size=slab.length}var singleType=typeof types==="string"?types:null;var ret;if(allocator==ALLOC_NONE){ret=ptr}else{ret=[_malloc,stackAlloc,dynamicAlloc][allocator](Math.max(size,singleType?1:types.length))}if(zeroinit){var stop;ptr=ret;assert((ret&3)==0);stop=ret+(size&~3);for(;ptr<stop;ptr+=4){HEAP32[ptr>>2]=0}stop=ret+size;while(ptr<stop){HEAP8[ptr++>>0]=0}return ret}if(singleType==="i8"){if(slab.subarray||slab.slice){HEAPU8.set(slab,ret)}else{HEAPU8.set(new Uint8Array(slab),ret)}return ret}var i=0,type,typeSize,previousType;while(i<size){var curr=slab[i];type=singleType||types[i];if(type===0){i++;continue}if(type=="i64")type="i32";setValue(ret+i,curr,type);if(previousType!==type){typeSize=getNativeTypeSize(type);previousType=type}i+=typeSize}return ret}function getMemory(size){if(!runtimeInitialized)return dynamicAlloc(size);return _malloc(size)}var UTF8Decoder=typeof TextDecoder!=="undefined"?new TextDecoder("utf8"):undefined;function UTF8ArrayToString(u8Array,idx,maxBytesToRead){var endIdx=idx+maxBytesToRead;var endPtr=idx;while(u8Array[endPtr]&&!(endPtr>=endIdx))++endPtr;if(endPtr-idx>16&&u8Array.subarray&&UTF8Decoder){return UTF8Decoder.decode(u8Array.subarray(idx,endPtr))}else{var str="";while(idx<endPtr){var u0=u8Array[idx++];if(!(u0&128)){str+=String.fromCharCode(u0);continue}var u1=u8Array[idx++]&63;if((u0&224)==192){str+=String.fromCharCode((u0&31)<<6|u1);continue}var u2=u8Array[idx++]&63;if((u0&240)==224){u0=(u0&15)<<12|u1<<6|u2}else{u0=(u0&7)<<18|u1<<12|u2<<6|u8Array[idx++]&63}if(u0<65536){str+=String.fromCharCode(u0)}else{var ch=u0-65536;str+=String.fromCharCode(55296|ch>>10,56320|ch&1023)}}}return str}function UTF8ToString(ptr,maxBytesToRead){return ptr?UTF8ArrayToString(HEAPU8,ptr,maxBytesToRead):""}function stringToUTF8Array(str,outU8Array,outIdx,maxBytesToWrite){if(!(maxBytesToWrite>0))return 0;var startIdx=outIdx;var endIdx=outIdx+maxBytesToWrite-1;for(var i=0;i<str.length;++i){var u=str.charCodeAt(i);if(u>=55296&&u<=57343){var u1=str.charCodeAt(++i);u=65536+((u&1023)<<10)|u1&1023}if(u<=127){if(outIdx>=endIdx)break;outU8Array[outIdx++]=u}else if(u<=2047){if(outIdx+1>=endIdx)break;outU8Array[outIdx++]=192|u>>6;outU8Array[outIdx++]=128|u&63}else if(u<=65535){if(outIdx+2>=endIdx)break;outU8Array[outIdx++]=224|u>>12;outU8Array[outIdx++]=128|u>>6&63;outU8Array[outIdx++]=128|u&63}else{if(outIdx+3>=endIdx)break;outU8Array[outIdx++]=240|u>>18;outU8Array[outIdx++]=128|u>>12&63;outU8Array[outIdx++]=128|u>>6&63;outU8Array[outIdx++]=128|u&63}}outU8Array[outIdx]=0;return outIdx-startIdx}function stringToUTF8(str,outPtr,maxBytesToWrite){return stringToUTF8Array(str,HEAPU8,outPtr,maxBytesToWrite)}function lengthBytesUTF8(str){var len=0;for(var i=0;i<str.length;++i){var u=str.charCodeAt(i);if(u>=55296&&u<=57343)u=65536+((u&1023)<<10)|str.charCodeAt(++i)&1023;if(u<=127)++len;else if(u<=2047)len+=2;else if(u<=65535)len+=3;else len+=4}return len}var UTF16Decoder=typeof TextDecoder!=="undefined"?new TextDecoder("utf-16le"):undefined;function writeArrayToMemory(array,buffer){HEAP8.set(array,buffer)}function writeAsciiToMemory(str,buffer,dontAddNull){for(var i=0;i<str.length;++i){HEAP8[buffer++>>0]=str.charCodeAt(i)}if(!dontAddNull)HEAP8[buffer>>0]=0}function demangle(func){return func}function demangleAll(text){var regex=/__Z[\w\d_]+/g;return text.replace(regex,function(x){var y=demangle(x);return x===y?x:y+" ["+x+"]"})}function jsStackTrace(){var err=new Error;if(!err.stack){try{throw new Error(0)}catch(e){err=e}if(!err.stack){return"(no stack trace available)"}}return err.stack.toString()}function stackTrace(){var js=jsStackTrace();if(Module["extraStackTrace"])js+="\n"+Module["extraStackTrace"]();return demangleAll(js)}var WASM_PAGE_SIZE=65536;function alignUp(x,multiple){if(x%multiple>0){x+=multiple-x%multiple}return x}var buffer,HEAP8,HEAPU8,HEAP16,HEAPU16,HEAP32,HEAPU32,HEAPF32,HEAPF64;function updateGlobalBufferViews(){Module["HEAP8"]=HEAP8=new Int8Array(buffer);Module["HEAP16"]=HEAP16=new Int16Array(buffer);Module["HEAP32"]=HEAP32=new Int32Array(buffer);Module["HEAPU8"]=HEAPU8=new Uint8Array(buffer);Module["HEAPU16"]=HEAPU16=new Uint16Array(buffer);Module["HEAPU32"]=HEAPU32=new Uint32Array(buffer);Module["HEAPF32"]=HEAPF32=new Float32Array(buffer);Module["HEAPF64"]=HEAPF64=new Float64Array(buffer)}var DYNAMIC_BASE=5520464,DYNAMICTOP_PTR=277552;var TOTAL_STACK=5242880;var INITIAL_TOTAL_MEMORY=Module["TOTAL_MEMORY"]||16777216;if(INITIAL_TOTAL_MEMORY<TOTAL_STACK)err("TOTAL_MEMORY should be larger than TOTAL_STACK, was "+INITIAL_TOTAL_MEMORY+"! (TOTAL_STACK="+TOTAL_STACK+")");if(Module["buffer"]){buffer=Module["buffer"]}else{if(typeof WebAssembly==="object"&&typeof WebAssembly.Memory==="function"){wasmMemory=new WebAssembly.Memory({"initial":INITIAL_TOTAL_MEMORY/WASM_PAGE_SIZE});buffer=wasmMemory.buffer}else{buffer=new ArrayBuffer(INITIAL_TOTAL_MEMORY)}}updateGlobalBufferViews();HEAP32[DYNAMICTOP_PTR>>2]=DYNAMIC_BASE;function callRuntimeCallbacks(callbacks){while(callbacks.length>0){var callback=callbacks.shift();if(typeof callback=="function"){callback();continue}var func=callback.func;if(typeof func==="number"){if(callback.arg===undefined){Module["dynCall_v"](func)}else{Module["dynCall_vi"](func,callback.arg)}}else{func(callback.arg===undefined?null:callback.arg)}}}var __ATPRERUN__=[];var __ATINIT__=[];var __ATMAIN__=[];var __ATPOSTRUN__=[];var runtimeInitialized=false;var runtimeExited=false;function preRun(){if(Module["preRun"]){if(typeof Module["preRun"]=="function")Module["preRun"]=[Module["preRun"]]