feat: 完善本地书库与发布更新流程

Co-authored-by: factory-droid[bot] <138933559+factory-droid[bot]@users.noreply.github.com>

src/ui/app.js

@@ -84,19 +84,139 @@ $('zlibLogoutBtn').onclick = async () => {
 
 refreshZlibStatus();
 
+async function refreshLibraryDir() {
+  const r = await window.api.library.getDir();
+  if (r.ok && r.data) $('libDirPath').textContent = r.data.dir + (r.data.isDefault ? '（默认）' : '');
+}
+
+$('libDirPickBtn').onclick = async () => {
+  const pick = await window.api.library.pickDir();
+  if (!pick.ok || !pick.data) return;
+  const dest = pick.data;
+
+  const cur = await window.api.library.getDir();
+  if (cur.ok && cur.data && cur.data.dir === dest) return;
+
+  // 让用户决定旧目录里已有的书怎么处理
+  let migrate = false;
+  const choice = await openModal('切换书库目录', `
+    <p>新目录：</p>
+    <div class="settings-path" style="margin:6px 0 12px;">${escapeHtml(dest)}</div>
+    <label style="display:block;margin-bottom:6px;">
+      <input type="radio" name="migMode" value="migrate" checked /> 迁移：把现有书库内容移动到新目录
+    </label>
+    <label style="display:block;">
+      <input type="radio" name="migMode" value="switch" /> 直接切换：旧目录原样保留，新目录重新扫描
+    </label>
+  `, () => {
+    const sel = document.querySelector('input[name="migMode"]:checked');
+    return { migrate: sel && sel.value === 'migrate' };
+  });
+  if (!choice) return;
+  migrate = choice.migrate;
+
+  const res = await window.api.library.setDir(dest, migrate);
+  if (!res.ok) { await confirmModal('切换失败', res.error || '未知错误'); return; }
+  await refreshLibraryDir();
+  if (window.Library) window.Library.markDirty();
+};
+
+$('libDirOpenBtn').onclick = async () => {
+  const r = await window.api.library.getDir();
+  if (r.ok && r.data) window.api.openPath(r.data.dir);
+};
+
+async function refreshAskSave() {
+  const r = await window.api.settings.get('askSavePath', false);
+  $('askSaveChk').checked = !!(r.ok && r.data);
+}
+$('askSaveChk').onchange = () => window.api.settings.set('askSavePath', $('askSaveChk').checked);
+
+refreshLibraryDir();
+refreshAskSave();
+
 async function refreshProxy() {
   const r = await window.api.proxy.get();
   if (r.ok) $('proxyInput').value = r.data || '';
 }
 $('proxySaveBtn').onclick = async () => {
-  await window.api.proxy.set($('proxyInput').value.trim());
-  $('proxySaveBtn').textContent = '已保存 ✓';
+  const r = await window.api.proxy.set($('proxyInput').value.trim());
+  $('proxySaveBtn').textContent = r.ok ? '已保存 ✓' : '保存失败';
+  $('proxySaveBtn').title = r.ok ? '' : (r.error || '代理地址无效');
   setTimeout(() => { $('proxySaveBtn').textContent = '保存'; }, 1500);
 };
 refreshProxy();
 
+async function refreshSemanticKeyStatus() {
+  const r = await window.api.semanticScholar.keyStatus();
+  const status = r.ok && r.data ? r.data : { configured: false, persistent: false };
+  $('semanticKeyStatus').textContent = status.configured
+    ? (status.persistent ? '已配置（由系统安全存储加密）' : '已配置（仅本次运行）')
+    : '未配置（匿名请求容易被限流）';
+  $('semanticKeyClearBtn').classList.toggle('hidden', !status.configured);
+}
+
+$('semanticKeySaveBtn').onclick = async () => {
+  const key = $('semanticKeyInput').value.trim();
+  if (!key) {
+    $('semanticKeySaveBtn').textContent = '请输入 Key';
+    setTimeout(() => { $('semanticKeySaveBtn').textContent = '保存'; }, 1500);
+    return;
+  }
+  const r = await window.api.semanticScholar.setKey(key);
+  $('semanticKeyInput').value = '';
+  $('semanticKeySaveBtn').textContent = r.ok ? '已保存 ✓' : '保存失败';
+  $('semanticKeySaveBtn').title = r.ok ? '' : (r.error || '保存失败');
+  await refreshSemanticKeyStatus();
+  setTimeout(() => { $('semanticKeySaveBtn').textContent = '保存'; }, 1500);
+};
+
+$('semanticKeyClearBtn').onclick = async () => {
+  const ok = await confirmModal('清除 API Key', '确定清除 Semantic Scholar API Key 吗？');
+  if (!ok) return;
+  await window.api.semanticScholar.clearKey();
+  await refreshSemanticKeyStatus();
+};
+
+refreshSemanticKeyStatus();
+
+async function runUpdateCheck(silent) {
+  const statusEl = $('updateStatus');
+  const btn = $('checkUpdateBtn');
+  if (!silent) {
+    btn.disabled = true;
+    statusEl.textContent = '正在检查...';
+  }
+  const res = await window.api.checkUpdate();
+  if (!silent) btn.disabled = false;
+  if (!res.ok) {
+    if (!silent) statusEl.textContent = '检查失败：' + res.error;
+    return;
+  }
+  const { latest, hasUpdate, url } = res.data;
+  if (hasUpdate) {
+    statusEl.textContent = `发现新版本 ${latest}`;
+    const ok = await openModal(
+      '发现新版本',
+      `<p>检测到新版本 <b>${escapeHtml(latest)}</b>，是否前往 GitHub Releases 下载？</p>`
+    );
+    if (ok) window.api.openExternal(url);
+  } else if (!silent) {
+    statusEl.textContent = '已是最新版本';
+  }
+}
+
 window.api.getVersion().then((r) => {
   if (r && r.ok) $('appVersion').textContent = 'v' + r.data;
 });
 
+const autoCheckEl = $('autoCheckUpdate');
+window.api.settings.get('autoCheckUpdate', false).then((r) => {
+  autoCheckEl.checked = !!(r.ok && r.data);
+  if (autoCheckEl.checked) runUpdateCheck(true);
+});
+autoCheckEl.onchange = () => window.api.settings.set('autoCheckUpdate', autoCheckEl.checked);
+
+$('checkUpdateBtn').onclick = () => runUpdateCheck(false);
+
 switchTab('library');