diff --git a/README.md b/README.md
index 3b6fc77..fb2dfaf 100644
--- a/README.md
+++ b/README.md
@@ -11,12 +11,13 @@
 - **Timeline**：按时间轴浏览、编辑和删除记忆。
 - **Museum**：将重要记忆长期珍藏为馆藏。
 - **Tasks / Goals**：创建目标和待办，关联任务、设置截止日期与优先级，查看今天/即将开始/已完成事项并追踪目标进度。
+- **Calendar**：月历查看每天的记忆、待办截止与完成记录，以及目标创建、目标日期和完成节点；可切换到日视图查看当天详情。
 - **Insights / Profile**：查看情绪、能量、连续记录与个人系统状态。
 - **System**：深浅主题、自动识别浏览器语言（也可固定中文/English）、JSON 导入导出与本地存储说明。
 - **Bing 每日一图**：桌面壁纸每日自动更新；由 Life OS 同源代理读取，避免浏览器跨域限制。
 - **Windows 式操作**：桌面端单击选择、双击打开；右键桌面或 App 图标可使用快捷菜单。
 - **快捷键与草稿恢复**：`Ctrl / ⌘ + K` 打开启动器，`Ctrl / ⌘ + F` 搜索记忆，`Ctrl / ⌘ + S` 归档 Today；当天未归档文字会自动恢复。
-- **Tasks 快捷键**：`Alt + 6` 打开目标与待办，`Alt + 7` 打开 System。
+- **App 快捷键**：`Alt + 6` 打开目标与待办，`Alt + 7` 打开日历，`Alt + 8` 打开 System。
 - **移动端**：App 以全屏方式打开，保留任务栏恢复入口。
 - **个人云端**：使用 ChatGPT 登录后，数据按账号隔离并同步到 SQLite 兼容的 D1 数据库。
 
@@ -54,6 +55,7 @@ npm run validate
 ```text
 public/index.html   # 桌面框架与窗口交互
 public/tasks.js     # 目标与待办 App
+public/calendar.js  # 记忆、待办与目标节点的日历时间轴
 public/addons.js    # 窗口与辅助交互
 worker/index.js     # ChatGPT 登录门槛、云端数据 API 与 Bing 壁纸代理
 drizzle/            # SQLite / D1 数据库迁移
diff --git a/package.json b/package.json
index 890db01..c4786de 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "life-os",
-  "version": "1.2.0",
+  "version": "1.3.0",
   "private": true,
   "type": "module",
   "scripts": {
diff --git a/public/addons.js b/public/addons.js
index 006cdff..10caa14 100644
--- a/public/addons.js
+++ b/public/addons.js
@@ -1,8 +1,8 @@
 /* Life OS reliability and productivity add-ons. */
 (() => {
   const DRAFT_KEY = 'lifeos_today_draft_v1';
-  const APP_VERSION = '1.2.0';
-  const appIds = ['today', 'timeline', 'museum', 'insights', 'profile', 'tasks', 'system'];
+  const APP_VERSION = '1.3.0';
+  const appIds = ['today', 'timeline', 'museum', 'insights', 'profile', 'tasks', 'calendar', 'system'];
   const t = (key, values) => LifeI18n.t(key, values);
 
   function readDraft() {
@@ -163,7 +163,7 @@
     if (mod && e.key.toLowerCase() === 'k') { e.preventDefault(); toggleLauncher(); }
     if (mod && e.key.toLowerCase() === 'f') { e.preventDefault(); openSearch(); }
     if (mod && e.key.toLowerCase() === 's' && document.querySelector('#entry')) { e.preventDefault(); archiveToday(); }
-    if (e.altKey && /^[1-7]$/.test(e.key)) { e.preventDefault(); openApp(appIds[Number(e.key) - 1]); }
+    if (e.altKey && /^[1-8]$/.test(e.key)) { e.preventDefault(); openApp(appIds[Number(e.key) - 1]); }
     if (e.key === 'Escape') { closeSearch(); document.querySelector('#launcher')?.classList.add('hidden'); document.querySelector('#calendar')?.classList.add('hidden'); document.querySelector('#life-context')?.remove(); }
   });
 })();
diff --git a/public/calendar.js b/public/calendar.js
new file mode 100644
index 0000000..6c77e3a
--- /dev/null
+++ b/public/calendar.js
@@ -0,0 +1,76 @@
+/* Calendar brings memories, due/completed tasks, and goal milestones onto one date axis. */
+(() => {
+  const t = (key, values) => LifeI18n.t(`calendar.${key}`, values);
+  const tasksT = (key, values) => LifeI18n.t(`tasks.${key}`, values);
+  const pad = value => String(value).padStart(2, '0');
+  const localKey = date => `${date.getFullYear()}-${pad(date.getMonth() + 1)}-${pad(date.getDate())}`;
+  let selected = localKey(new Date()), month = new Date(`${selected}T12:00:00`), view = 'month';
+  const fromKey = key => new Date(`${key}T12:00:00`);
+  const esc = value => String(value || '').replace(/[&<>"']/g, char => ({ '&': '&amp;', '<': '&lt;', '>': '&gt;', '"': '&quot;', "'": '&#39;' }[char]));
+  const formatDate = (key, options = { weekday: 'long', month: 'long', day: 'numeric', year: 'numeric' }) => new Intl.DateTimeFormat(lang() === 'zh' ? 'zh-CN' : 'en-US', options).format(fromKey(key));
+  const localDatePart = value => value ? localKey(new Date(value)) : '';
+  const system = () => { try { return JSON.parse(localStorage.getItem('lifeos_system') || '{}'); } catch { return {}; } };
+
+  function eventsFor(key) {
+    const events = [];
+    for (const memory of mems()) if (memory.date === key) events.push({ kind: 'memory', rank: 0, title: memory.filmTitle || t('memory'), detail: memory.text || LifeI18n.t('timeline.noNote'), time: '', id: memory.id, mood: memory.mood, energy: memory.energy });
+    const board = system().tasksBoard || { goals: [], tasks: [] };
+    for (const task of board.tasks || []) {
+      const due = task.dueDate === key, completed = localDatePart(task.completedAt) === key;
+      if (due) events.push({ kind: 'task', rank: completed ? 1 : 2, title: task.title, detail: task.goalId ? board.goals.find(goal => goal.id === task.goalId)?.title || '' : '', time: completed ? t('taskDone') : t('taskDue'), done: Boolean(task.done), id: task.id });
+      if (completed && !due) events.push({ kind: 'task', rank: 1, title: task.title, detail: task.goalId ? board.goals.find(goal => goal.id === task.goalId)?.title || '' : '', time: t('taskDone'), done: true, id: task.id });
+    }
+    for (const goal of board.goals || []) {
+      if (localDatePart(goal.createdAt) === key) events.push({ kind: 'goal', rank: 3, title: goal.title, detail: goal.description || '', time: t('goalCreated'), id: goal.id });
+      if (goal.targetDate === key) events.push({ kind: 'goal', rank: 4, title: goal.title, detail: goal.description || '', time: t('goalTarget'), id: goal.id });
+      if (localDatePart(goal.completedAt) === key) events.push({ kind: 'goal', rank: 5, title: goal.title, detail: goal.description || '', time: t('goalDone'), id: goal.id, done: true });
+    }
+    return events.sort((a, b) => a.rank - b.rank || a.title.localeCompare(b.title));
+  }
+
+  function monthCells() {
+    const year = month.getFullYear(), monthIndex = month.getMonth();
+    const firstOffset = (new Date(year, monthIndex, 1).getDay() + 6) % 7;
+    const days = new Date(year, monthIndex + 1, 0).getDate();
+    const rows = Math.ceil((firstOffset + days) / 7), today = localKey(new Date());
+    return Array.from({ length: rows * 7 }, (_, index) => {
+      const number = index - firstOffset + 1, inMonth = number > 0 && number <= days;
+      if (!inMonth) return '<span class="cal-blank" aria-hidden="true"></span>';
+      const key = `${year}-${pad(monthIndex + 1)}-${pad(number)}`, events = eventsFor(key), types = [...new Set(events.map(event => event.kind))];
+      return `<button class="cal-cell ${key === selected ? 'selected' : ''} ${key === today ? 'today' : ''}" aria-label="${esc(formatDate(key))} · ${events.length} ${esc(t('items'))}" aria-pressed="${key === selected}" onclick="selectCalendarDate('${key}')"><span class="cal-number">${number}</span>${types.length ? `<span class="cal-dots">${types.map(type => `<i class="${type}" aria-hidden="true"></i>`).join('')}</span>` : ''}</button>`;
+    }).join('');
+  }
+
+  function eventMarkup(event) {
+    const badge = event.kind === 'memory' ? `${event.mood ? LifeI18n.t(`weather.${event.mood}`) : ''}${event.energy ? ` · ${LifeI18n.t('common.energy')} ${event.energy}` : ''}` : event.time;
+    const action = event.kind === 'memory'
+      ? `openApp('timeline');setTimeout(()=>detail('${esc(event.id)}'),20)`
+      : `openApp('tasks');setTaskFilter('${event.done ? 'done' : 'all'}')`;
+    return `<button class="cal-event ${event.kind} ${event.done ? 'complete' : ''}" onclick="${action}"><span class="cal-event-mark" aria-hidden="true">${event.kind === 'memory' ? '▣' : event.kind === 'task' ? (event.done ? '✓' : '○') : '◎'}</span><span class="cal-event-body"><span class="cal-event-meta">${esc(badge || (event.kind === 'memory' ? t('memory') : event.kind === 'task' ? tasksT('taskTitle') : tasksT('goalTitle')))}</span><strong>${esc(event.title)}</strong>${event.detail ? `<span class="cal-event-detail">${esc(event.detail)}</span>` : ''}</span><span class="cal-event-arrow" aria-hidden="true">↗</span></button>`;
+  }
+
+  function selectedDayMarkup() {
+    const items = eventsFor(selected);
+    return `<section class="cal-day-card"><div class="cal-day-head"><div><div class="eyebrow">${t('dayAtGlance')}</div><h2>${esc(formatDate(selected))}</h2></div><span class="cal-day-count">${items.length}</span></div>${items.length ? `<div class="cal-events">${items.map(eventMarkup).join('')}</div>` : `<div class="cal-empty">${t('emptyDay')}<div class="cal-empty-actions"><button class="secondary" onclick="openApp('today')">${t('openToday')}</button><button class="secondary" onclick="openApp('tasks')">${t('openTasks')}</button></div></div>`}</section>`;
+  }
+
+  function render(container) {
+    const title = new Intl.DateTimeFormat(lang() === 'zh' ? 'zh-CN' : 'en-US', { month: 'long', year: 'numeric' }).format(month);
+    const heading = ['mon', 'tue', 'wed', 'thu', 'fri', 'sat', 'sun'].map((key, index) => `<span class="cal-weekday ${index > 4 ? 'weekend' : ''}">${t(key)}</span>`).join('');
+    container.innerHTML = `<div class="eyebrow">${t('eyebrow')}</div><header class="cal-toolbar"><div class="cal-title"><button class="cal-nav" aria-label="${t('previous')}" onclick="moveCalendarMonth(-1)">‹</button><h1>${esc(title)}</h1><button class="cal-nav" aria-label="${t('next')}" onclick="moveCalendarMonth(1)">›</button></div><div class="cal-toolbar-actions"><button class="secondary cal-today" onclick="jumpCalendarToday()">${t('today')}</button><div class="cal-view-switch"><button class="${view === 'month' ? 'active' : ''}" aria-pressed="${view === 'month'}" onclick="setCalendarView('month')">${t('month')}</button><button class="${view === 'day' ? 'active' : ''}" aria-pressed="${view === 'day'}" onclick="setCalendarView('day')">${t('day')}</button></div></div></header>${view === 'month' ? `<div class="cal-month-layout"><section class="cal-month"><div class="cal-grid cal-weekdays">${heading}</div><div class="cal-grid cal-days">${monthCells()}</div><div class="cal-legend"><span><i class="memory"></i>${t('memory')}</span><span><i class="task"></i>${t('task')}</span><span><i class="goal"></i>${t('goal')}</span></div></section>${selectedDayMarkup()}</div>` : `<section class="cal-single-day">${selectedDayMarkup()}<div class="cal-day-navigate"><button class="secondary" onclick="moveCalendarDay(-1)">← ${t('previousDay')}</button><button class="secondary" onclick="moveCalendarDay(1)">${t('nextDay')} →</button></div></section>`}`;
+  }
+
+  window.calendarApp = render;
+  window.selectCalendarDate = key => { selected = key; month = fromKey(key); renderAll(); };
+  window.setCalendarView = value => { view = value; renderAll(); };
+  window.moveCalendarMonth = delta => {
+    const oldDay = fromKey(selected).getDate(); month = new Date(month.getFullYear(), month.getMonth() + delta, 1, 12);
+    const maxDay = new Date(month.getFullYear(), month.getMonth() + 1, 0).getDate(); selected = localKey(new Date(month.getFullYear(), month.getMonth(), Math.min(oldDay, maxDay), 12)); renderAll();
+  };
+  window.jumpCalendarToday = () => { selected = localKey(new Date()); month = fromKey(selected); renderAll(); };
+  window.moveCalendarDay = delta => { const date = fromKey(selected); date.setDate(date.getDate() + delta); selected = localKey(date); month = fromKey(selected); renderAll(); };
+
+  const style = document.createElement('style');
+  style.textContent = `.cal-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:16px 0}.cal-title,.cal-toolbar-actions,.cal-view-switch{display:flex;align-items:center}.cal-title{gap:8px}.cal-title h1{font-size:22px;min-width:130px;text-align:center;margin:0}.cal-nav{border:1px solid var(--line);background:var(--panel2);color:var(--ink);border-radius:8px;width:32px;height:32px;font-size:21px;line-height:1}.cal-toolbar-actions{gap:8px}.cal-view-switch{padding:3px;background:var(--panel2);border:1px solid var(--line);border-radius:9px}.cal-view-switch button{border:0;background:transparent;color:var(--muted);border-radius:6px;padding:7px 10px;font:10px 'DM Mono'}.cal-view-switch button.active{background:var(--panel);color:var(--ink);box-shadow:0 1px 4px #0002}.cal-today{padding:9px 11px;font-size:9px}.cal-month-layout{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(220px,.85fr);gap:15px;align-items:start}.cal-grid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr))}.cal-weekdays{margin-bottom:5px}.cal-weekday{text-align:center;padding:5px 0;color:var(--muted);font:9px 'DM Mono';letter-spacing:.05em}.cal-weekday.weekend{color:var(--accent)}.cal-days{gap:3px}.cal-cell,.cal-blank{min-width:0;min-height:57px}.cal-cell{position:relative;display:flex;flex-direction:column;align-items:flex-start;gap:8px;padding:7px;border:1px solid transparent;border-radius:9px;background:transparent;color:var(--ink);text-align:left}.cal-cell:hover{background:var(--panel2)}.cal-cell.selected{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 9%,var(--panel))}.cal-cell.today .cal-number{color:var(--accent);font-weight:700}.cal-number{font-size:12px}.cal-dots{display:flex;gap:3px}.cal-dots i,.cal-legend i{display:block;width:5px;height:5px;border-radius:50%;background:var(--muted)}.cal-dots i.memory,.cal-legend i.memory{background:var(--accent)}.cal-dots i.task,.cal-legend i.task{background:#78a7d7}.cal-dots i.goal,.cal-legend i.goal{background:#c38dd3}.cal-legend{display:flex;gap:12px;flex-wrap:wrap;padding:10px 2px 0;color:var(--muted);font-size:9px}.cal-legend span{display:flex;align-items:center;gap:5px}.cal-day-card{min-width:0;padding:14px;border:1px solid var(--line);border-radius:12px;background:color-mix(in srgb,var(--panel2) 45%,transparent)}.cal-day-head{display:flex;justify-content:space-between;align-items:flex-start;gap:8px;margin-bottom:9px}.cal-day-head .eyebrow{margin-bottom:5px}.cal-day-head h2{font-size:15px;line-height:1.35;margin:0}.cal-day-count{display:grid;place-items:center;min-width:25px;height:25px;padding:0 5px;border-radius:99px;background:var(--panel);color:var(--muted);font:10px 'DM Mono'}.cal-events{display:grid;gap:5px}.cal-event{display:flex;align-items:flex-start;gap:8px;width:100%;padding:8px;border:1px solid transparent;border-radius:8px;background:transparent;color:var(--ink);text-align:left}.cal-event:hover{background:var(--panel);border-color:var(--line)}.cal-event-mark{width:18px;flex:none;text-align:center;color:var(--accent);font-size:13px}.cal-event.task .cal-event-mark{color:#78a7d7}.cal-event.goal .cal-event-mark{color:#c38dd3}.cal-event-body{display:grid;gap:3px;min-width:0;flex:1}.cal-event-meta{color:var(--muted);font:8px 'DM Mono';letter-spacing:.06em;text-transform:uppercase}.cal-event-body strong{font-size:11px;line-height:1.4;overflow-wrap:anywhere}.cal-event-detail{color:var(--muted);font-size:10px;line-height:1.4;overflow-wrap:anywhere}.cal-event.complete .cal-event-body strong{text-decoration:line-through;color:var(--muted)}.cal-event-arrow{color:var(--muted);font-size:11px}.cal-empty{padding:20px 4px 7px;text-align:center;color:var(--muted);font-size:11px;line-height:1.6}.cal-empty-actions{display:flex;justify-content:center;gap:6px;margin-top:10px}.cal-empty-actions .secondary,.cal-day-navigate .secondary{font-size:9px;padding:8px}.cal-single-day{max-width:580px;margin:10px auto}.cal-single-day .cal-day-card{padding:19px}.cal-single-day .cal-day-head h2{font-size:19px}.cal-single-day .cal-event{padding:11px}.cal-single-day .cal-event-body strong{font-size:13px}.cal-day-navigate{display:flex;justify-content:space-between;margin-top:10px}@media(max-width:700px){.cal-month-layout{grid-template-columns:1fr}.cal-toolbar{align-items:flex-start;flex-wrap:wrap}.cal-title{gap:5px}.cal-title h1{font-size:18px;min-width:112px}.cal-toolbar-actions{gap:6px}.cal-cell,.cal-blank{min-height:46px}.cal-cell{padding:5px 4px;gap:6px}.cal-number{font-size:11px}.cal-legend{gap:9px}.cal-day-card{padding:12px}.cal-event{padding:8px 5px}}`;
+  document.head.append(style);
+})();
diff --git a/public/i18n-renderers.js b/public/i18n-renderers.js
index 73b561a..396c484 100644
--- a/public/i18n-renderers.js
+++ b/public/i18n-renderers.js
@@ -55,7 +55,7 @@
   window.saveProfile = () => { save('lifeos_profile', { name: pname.value, birthday: pbday.value, startDate: pstart.value || day(), motto: pmotto.value }); renderAll(); toast(t('profile.saved')); };
   window.systemApp = container => {
     const state = settings(), bytes = new Blob([JSON.stringify({ mems: mems(), museum: museum(), profile: profile(), system: sys() })]).size, oldBackup = state.lastBackup && Date.now() - new Date(state.lastBackup) > 12096e5, detected = browserLanguage() === 'zh' ? t('system.detectedZh') : t('system.detectedEn');
-    container.innerHTML = `<div class="eyebrow">${t('system.eyebrow')}</div><h1>${t('system.title')}</h1><div class="settings"><section><div class="eyebrow">${t('system.appearance')}</div><div class="choices">${['dark','light','auto'].map(item => `<button class="chip ${state.theme === item ? 'selected' : ''}" onclick="theme('${item}')">${t(`system.theme.${item}`)}</button>`).join('')}</div></section><section><div class="eyebrow">${t('system.language')}</div><p class="sub">${detected}</p><div class="choices"><button class="chip ${state.languageMode !== 'manual' ? 'selected' : ''}" onclick="setLanguage('auto')">${t('system.auto')}</button><button class="chip ${state.languageMode === 'manual' && state.language === 'en' ? 'selected' : ''}" onclick="setLanguage('en')">ENGLISH</button><button class="chip ${state.languageMode === 'manual' && state.language === 'zh' ? 'selected' : ''}" onclick="setLanguage('zh')">中文</button></div></section><section><div class="eyebrow">${t('system.data')}</div><div class="actions"><button class="primary" onclick="exportData()">${t('system.export')}</button><button class="secondary" onclick="document.querySelector('#importer').click()">${t('system.import')}</button><button class="danger" onclick="resetConfirm()">${t('system.reset')}</button><input id="importer" class="hidden" type="file" accept=".json" onchange="readImport(this)"></div></section><section><div class="eyebrow">${t('system.storage')}</div><p>${t('system.local')}<br>${lang() === 'zh' ? `${mems().length} 条记忆 · ${museum().length} 件博物馆藏品 · ${sys().tasksBoard?.tasks?.length || 0} 项待办 · 约 ${Math.ceil(bytes/1024)} KB` : `${mems().length} memories · ${museum().length} museum items · ${sys().tasksBoard?.tasks?.length || 0} tasks · Approx. ${Math.ceil(bytes/1024)} KB`}</p></section><section><div class="eyebrow">${t('system.dataStorage')}</div><p>${t('system.stored')}<br>${t('system.backups')}</p><p>${t('system.lastBackup',{value:state.lastBackup ? short(state.lastBackup.slice(0,10)) : t('common.never')})}${oldBackup ? `<br><b style="color:var(--accent)">${t('system.recommended')}</b>` : ''}</p></section><section><div class="eyebrow">${t('system.version')}</div><p>Life OS<br>Version 1.2.0 · Schema v1</p></section></div>`;
+    container.innerHTML = `<div class="eyebrow">${t('system.eyebrow')}</div><h1>${t('system.title')}</h1><div class="settings"><section><div class="eyebrow">${t('system.appearance')}</div><div class="choices">${['dark','light','auto'].map(item => `<button class="chip ${state.theme === item ? 'selected' : ''}" onclick="theme('${item}')">${t(`system.theme.${item}`)}</button>`).join('')}</div></section><section><div class="eyebrow">${t('system.language')}</div><p class="sub">${detected}</p><div class="choices"><button class="chip ${state.languageMode !== 'manual' ? 'selected' : ''}" onclick="setLanguage('auto')">${t('system.auto')}</button><button class="chip ${state.languageMode === 'manual' && state.language === 'en' ? 'selected' : ''}" onclick="setLanguage('en')">ENGLISH</button><button class="chip ${state.languageMode === 'manual' && state.language === 'zh' ? 'selected' : ''}" onclick="setLanguage('zh')">中文</button></div></section><section><div class="eyebrow">${t('system.data')}</div><div class="actions"><button class="primary" onclick="exportData()">${t('system.export')}</button><button class="secondary" onclick="document.querySelector('#importer').click()">${t('system.import')}</button><button class="danger" onclick="resetConfirm()">${t('system.reset')}</button><input id="importer" class="hidden" type="file" accept=".json" onchange="readImport(this)"></div></section><section><div class="eyebrow">${t('system.storage')}</div><p>${t('system.local')}<br>${lang() === 'zh' ? `${mems().length} 条记忆 · ${museum().length} 件博物馆藏品 · ${sys().tasksBoard?.tasks?.length || 0} 项待办 · 约 ${Math.ceil(bytes/1024)} KB` : `${mems().length} memories · ${museum().length} museum items · ${sys().tasksBoard?.tasks?.length || 0} tasks · Approx. ${Math.ceil(bytes/1024)} KB`}</p></section><section><div class="eyebrow">${t('system.dataStorage')}</div><p>${t('system.stored')}<br>${t('system.backups')}</p><p>${t('system.lastBackup',{value:state.lastBackup ? short(state.lastBackup.slice(0,10)) : t('common.never')})}${oldBackup ? `<br><b style="color:var(--accent)">${t('system.recommended')}</b>` : ''}</p></section><section><div class="eyebrow">${t('system.version')}</div><p>Life OS<br>Version 1.3.0 · Schema v1</p></section></div>`;
   };
   window.importPreview = () => { const data = importData; rootModal().innerHTML = `<div class="modal"><div class="modalbox"><div class="eyebrow">${t('dialog.backup')}</div><h2>${t('dialog.ready')}</h2><p class="sub">${t('dialog.exported',{date:short(data.exportedAt.slice(0,10))})}<br>${t('dialog.memories',{count:data.memories.length})}<br>${t('dialog.museumItems',{count:data.museum.length})}</p><div class="actions"><button class="primary" onclick="applyImport('merge')">${t('dialog.merge')}</button><button class="danger" onclick="replaceConfirm()">${t('dialog.replaceAll')}</button><button class="secondary" onclick="modal.innerHTML=''">${t('common.cancel')}</button></div></div></div>`; };
   window.replaceConfirm = () => { rootModal().innerHTML = `<div class="modal"><div class="modalbox"><div class="eyebrow">${t('dialog.final')}</div><h2>${t('dialog.replaceQuestion')}</h2><p class="sub">${t('dialog.replaceWarning')}</p><div class="actions"><button class="danger" onclick="applyImport('replace')">${t('dialog.replace')}</button><button class="secondary" onclick="importPreview()">${t('common.cancel')}</button></div></div></div>`; };
diff --git a/public/i18n.js b/public/i18n.js
index 8022ca3..5e80bea 100644
--- a/public/i18n.js
+++ b/public/i18n.js
@@ -1,7 +1,7 @@
 /* Life OS internationalisation: one locale catalogue, no DOM text rewriting. */
 (() => {
   const en = {
-    app: { today: 'TODAY', timeline: 'TIMELINE', museum: 'MUSEUM', insights: 'INSIGHTS', profile: 'PROFILE', tasks: 'TASKS', system: 'SYSTEM' },
+    app: { today: 'TODAY', timeline: 'TIMELINE', museum: 'MUSEUM', insights: 'INSIGHTS', profile: 'PROFILE', tasks: 'TASKS', calendar: 'CALENDAR', system: 'SYSTEM' },
     common: { save: 'SAVE', cancel: 'CANCEL', edit: 'EDIT', delete: 'DELETE', close: 'Close', open: 'Open', minimize: 'Minimize', maximize: 'Maximize', restore: 'Restore window', energy: 'ENERGY', days: 'DAYS', never: 'NEVER' },
     today: { prompt: 'How was your day?', placeholder: 'Write something about today...', archive: 'ARCHIVE TODAY', update: 'UPDATE MEMORY', weather: "TODAY'S WEATHER", energy: 'ENERGY LEVEL', film: "TODAY'S FILM", archiving: 'ARCHIVING MEMORY...', archived: 'MEMORY ARCHIVED' },
     weather: { clear: 'Clear', light: 'Light', cloudy: 'Cloudy', rain: 'Rain', storm: 'Storm' },
@@ -13,10 +13,11 @@
     dialog: { backup: 'LIFE OS BACKUP', ready: 'Ready to restore', exported: 'Exported: {date}', memories: 'Memories: {count}', museumItems: 'Museum Items: {count}', merge: 'MERGE', replaceAll: 'REPLACE ALL DATA', final: 'FINAL CONFIRMATION', replaceQuestion: 'Replace all Life OS data?', replaceWarning: 'This will replace all current Life OS data.', replace: 'REPLACE DATA', resetQuestion: 'Reset all local data?', resetWarning: 'Export a backup first if you want to keep it.', resetData: 'RESET DATA' },
     feedback: { backup: 'BACKUP CREATED', invalid: 'INVALID BACKUP FILE', restored: 'SYSTEM RESTORED', restoring: 'RESTORING SYSTEM...', minimized: 'MINIMIZED — TAP THE APP ICON TO RESTORE', languageZh: 'Language set to Chinese', languageEn: 'Language set to English', followingZh: 'Following browser language: Chinese', followingEn: 'Following browser language: English' },
     addon: { draftRestored: 'DRAFT RESTORED', searchTitle: 'SEARCH MEMORY ARCHIVE', searchPlaceholder: 'Search titles, notes, moods…', searchHint: 'ESC to close · click a result to open it', untitled: 'Untitled memory', noResults: 'No memories found.', syncPaused: 'CLOUD SYNC PAUSED — CHANGES STAY ON THIS DEVICE', syncReady: 'CLOUD SYNC READY', migrateQuestion: 'Move this browser’s Life OS to the cloud?', migrateBody: 'Your existing local records will become the first synced copy for this ChatGPT account.', migrate: 'MIGRATE & SYNC', fresh: 'START FRESH', migrated: 'LOCAL LIFE OS MIGRATED', cloudRestored: 'CLOUD LIFE OS RESTORED', cloudUnavailable: 'CLOUD STORAGE UNAVAILABLE — LOCAL MODE ACTIVE' },
+    calendar: { eyebrow: 'MEMORIES & MILESTONES', month: 'MONTH', day: 'DAY', today: 'TODAY', mon: 'MON', tue: 'TUE', wed: 'WED', thu: 'THU', fri: 'FRI', sat: 'SAT', sun: 'SUN', previous: 'Previous month', next: 'Next month', previousDay: 'Previous day', nextDay: 'Next day', dayAtGlance: 'THAT DAY', memory: 'MEMORY', task: 'TASK', goal: 'GOAL', items: 'items', taskDue: 'TASK DUE', taskDone: 'TASK COMPLETED', goalCreated: 'GOAL CREATED', goalTarget: 'GOAL TARGET DATE', goalDone: 'GOAL COMPLETED', emptyDay: 'No memories or milestones recorded for this day.', openToday: 'Write a memory', openTasks: 'Open tasks' },
     tasks: { eyebrow: 'GOALS & TASKS', title: 'Make room for what matters.', subtitle: 'A small, steady plan for today and the days ahead.', addGoal: 'NEW GOAL', addTask: 'ADD TASK', taskPlaceholder: 'What needs doing?', goalPlaceholder: 'What do you want to move toward?', goalDescription: 'A note about this goal (optional)', finishedGoals: 'COMPLETED GOALS', goalComplete: 'COMPLETE GOAL', goalReopen: 'REOPEN GOAL', all: 'ALL', today: 'TODAY', upcoming: 'UPCOMING', done: 'DONE', activeGoals: 'ACTIVE GOALS', noGoals: 'Start with one goal worth moving toward.', noTasks: 'Nothing on this list yet.', due: 'DUE {date}', noDate: 'NO DUE DATE', priority: { low: 'LOW', normal: 'NORMAL', high: 'HIGH' }, goal: 'GOAL', anyGoal: 'NO GOAL', save: 'SAVE', cancel: 'CANCEL', complete: 'MARK COMPLETE', reopen: 'REOPEN', delete: 'DELETE', goalTitle: 'New goal', taskTitle: 'New task', goalCreated: 'GOAL CREATED', taskAdded: 'TASK ADDED', taskRemoved: 'TASK REMOVED', goalRemoved: 'GOAL REMOVED', confirmGoalDelete: 'Delete this goal?', confirmGoalDeleteBody: 'Tasks linked to it will be kept without a goal.', target: 'TARGET DATE', completed: 'COMPLETED', progress: '{done} OF {total} DONE', todayHeading: 'Focus for today', openCount: '{count} OPEN TASKS', overdue: 'OVERDUE' }
   };
   const zh = {
-    app: { today: '今日', timeline: '时间线', museum: '人生博物馆', insights: '洞察', profile: '个人资料', tasks: '目标与待办', system: '系统' },
+    app: { today: '今日', timeline: '时间线', museum: '人生博物馆', insights: '洞察', profile: '个人资料', tasks: '目标与待办', calendar: '日历', system: '系统' },
     common: { save: '保存', cancel: '取消', edit: '编辑', delete: '删除', close: '关闭', open: '打开', minimize: '最小化', maximize: '最大化', restore: '恢复窗口', energy: '能量', days: '天', never: '从未' },
     today: { prompt: '今天过得怎么样？', placeholder: '写下今天的片段…', archive: '归档今日', update: '更新记忆', weather: '今日天气', energy: '能量等级', film: '今日电影', archiving: '正在归档…', archived: '记忆已归档' },
     weather: { clear: '晴朗', light: '微光', cloudy: '多云', rain: '雨天', storm: '风暴' },
@@ -28,6 +29,7 @@
     dialog: { backup: 'Life OS 备份', ready: '准备恢复', exported: '导出时间：{date}', memories: '记忆：{count}', museumItems: '博物馆藏品：{count}', merge: '合并', replaceAll: '替换全部数据', final: '最终确认', replaceQuestion: '替换全部 Life OS 数据？', replaceWarning: '这将覆盖当前所有 Life OS 数据。', replace: '替换数据', resetQuestion: '重置所有本地数据？', resetWarning: '如需保留数据，请先导出备份。', resetData: '重置数据' },
     feedback: { backup: '备份已创建', invalid: '无效备份文件', restored: '系统已恢复', restoring: '正在恢复系统…', minimized: '已最小化 — 点击任务栏图标即可恢复', languageZh: '语言已切换为中文', languageEn: 'Language set to English', followingZh: '已跟随浏览器语言：中文', followingEn: 'Following browser language: English' },
     addon: { draftRestored: '草稿已恢复', searchTitle: '搜索记忆档案', searchPlaceholder: '搜索标题、记录或天气…', searchHint: '按 Esc 关闭 · 点击结果即可打开', untitled: '未命名记忆', noResults: '没有找到记忆。', syncPaused: '云端同步暂停——更改仍保留在此设备', syncReady: '云端同步已就绪', migrateQuestion: '将此浏览器的 Life OS 迁移到云端？', migrateBody: '现有本地记录将成为这个 ChatGPT 账号的第一份云端同步数据。', migrate: '迁移并同步', fresh: '从空白开始', migrated: '本地 Life OS 已迁移', cloudRestored: '云端 Life OS 已恢复', cloudUnavailable: '云端存储暂不可用——已使用本地模式' },
+    calendar: { eyebrow: '记忆与生活节点', month: '月', day: '日', today: '今天', mon: '一', tue: '二', wed: '三', thu: '四', fri: '五', sat: '六', sun: '日', previous: '上个月', next: '下个月', previousDay: '前一天', nextDay: '后一天', dayAtGlance: '这一天', memory: '记忆', task: '待办', goal: '目标', items: '项', taskDue: '待办截止', taskDone: '完成待办', goalCreated: '创建目标', goalTarget: '目标日期', goalDone: '完成目标', emptyDay: '这一天还没有记忆或目标节点。', openToday: '写下一段记忆', openTasks: '打开待办' },
     tasks: { eyebrow: '目标与待办', title: '把心力留给重要的事。', subtitle: '为今天和接下来的日子，排一个轻量、踏实的计划。', addGoal: '新建目标', addTask: '添加待办', taskPlaceholder: '接下来要做什么？', goalPlaceholder: '你想朝什么方向前进？', goalDescription: '关于这个目标的备注（选填）', finishedGoals: '已完成的目标', goalComplete: '完成目标', goalReopen: '重新开启目标', all: '全部', today: '今天', upcoming: '即将开始', done: '已完成', activeGoals: '进行中的目标', noGoals: '从一个值得继续靠近的目标开始。', noTasks: '这里暂时没有待办。', due: '截止 {date}', noDate: '无截止日期', priority: { low: '低', normal: '普通', high: '高' }, goal: '目标', anyGoal: '不关联目标', save: '保存', cancel: '取消', goalTitle: '新建目标', taskTitle: '新建待办', goalCreated: '目标已创建', taskAdded: '待办已添加', taskRemoved: '待办已删除', goalRemoved: '目标已删除', confirmGoalDelete: '删除这个目标？', confirmGoalDeleteBody: '关联的待办会保留，但不再关联此目标。', target: '目标日期', completed: '已完成', complete: '标记完成', reopen: '重新打开', delete: '删除', progress: '已完成 {done} / {total}', todayHeading: '今天要推进的事', openCount: '还有 {count} 项待办', overdue: '已逾期' }
   };
   const get = (object, key) => key.split('.').reduce((value, part) => value?.[part], object);
diff --git a/public/index.html b/public/index.html
index 16a1c6e..dcebeb8 100644
--- a/public/index.html
+++ b/public/index.html
@@ -5,7 +5,7 @@
 *{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Manrope,system-ui;overflow:hidden}button,input,textarea{font:inherit;color:inherit}button{cursor:pointer}.desktop{height:100vh;background:radial-gradient(ellipse at 20% 0%,#3f4a503d,transparent 40%),radial-gradient(ellipse at 93% 65%,#59604224,transparent 42%),var(--bg);position:relative}.brand{position:absolute;top:28px;left:32px;font:500 11px 'DM Mono';letter-spacing:.18em;color:var(--muted)}.desktop-icons{padding:72px 32px;display:grid;grid-template-columns:repeat(3,96px);gap:22px}.app-icon{border:0;background:transparent;color:var(--ink);display:grid;gap:9px;justify-items:center;font:500 10px 'DM Mono';letter-spacing:.12em}.glyph{width:48px;height:48px;background:var(--panel);border:1px solid var(--line);border-radius:14px;display:grid;place-items:center;box-shadow:0 8px 22px #0002;font-size:20px}.app-icon:hover .glyph,.taskapp.active{border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 12%,transparent)}.taskbar{position:absolute;bottom:18px;left:50%;transform:translateX(-50%);height:54px;display:flex;align-items:center;gap:5px;padding:6px;background:color-mix(in srgb,var(--panel) 94%,transparent);border:1px solid var(--line);border-radius:17px;box-shadow:var(--shadow);z-index:1000}.life,.taskapp,.clock{height:40px;border:0;border-radius:11px;background:transparent;color:var(--ink);padding:0 12px;font:500 11px 'DM Mono';letter-spacing:.1em}.life{background:var(--accent);color:#151812;font-weight:500}.taskapp{min-width:42px;font-size:17px;padding:0 10px}.clock{border-left:1px solid var(--line);line-height:1.35;text-align:left;font-size:10px}.launcher,.calendar{position:absolute;bottom:82px;background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:17px;padding:19px;z-index:1200}.launcher{left:calc(50% - 310px);width:300px}.calendar{right:calc(50% - 310px);width:230px}.hidden{display:none!important}.launchhead{display:flex;justify-content:space-between;font:500 11px 'DM Mono';letter-spacing:.12em}.launchgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:18px 0}.launchitem{border:1px solid transparent;background:var(--panel2);border-radius:10px;padding:13px 7px;color:var(--ink);font:500 9px 'DM Mono';letter-spacing:.08em}.launchitem:hover{border-color:var(--accent)}.systemline{border-top:1px solid var(--line);padding-top:12px;color:var(--muted);font:10px 'DM Mono';letter-spacing:.05em}.window{position:absolute;width:min(700px,calc(100vw - 100px));height:min(590px,calc(100vh - 130px));background:var(--panel);border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow);overflow:hidden;animation:in .18s ease;display:flex;flex-direction:column}.window.max{width:calc(100vw - 36px)!important;height:calc(100vh - 98px)!important;left:18px!important;top:18px!important}.titlebar{height:48px;display:flex;align-items:center;gap:10px;border-bottom:1px solid var(--line);padding:0 13px;cursor:grab;flex:none}.titlebar:active{cursor:grabbing}.titleicon{width:22px;height:22px;border:1px solid var(--line);border-radius:7px;display:grid;place-items:center;font-size:12px}.wtitle{font:500 11px 'DM Mono';letter-spacing:.13em;flex:1}.controls{display:flex;gap:5px}.controls button{width:25px;height:25px;border:0;background:transparent;color:var(--muted);border-radius:6px}.controls button:hover{background:var(--panel2);color:var(--ink)}.content{padding:24px;overflow:auto;height:100%}.eyebrow{font:10px 'DM Mono';letter-spacing:.16em;color:var(--muted);margin-bottom:8px}h1,h2,p{margin-top:0}h1{font-size:28px;letter-spacing:-.05em;margin-bottom:3px}h2{font-size:13px;letter-spacing:.07em}.sub{color:var(--muted);font-size:14px}.today-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:24px}.entry{width:100%;height:190px;resize:none;background:var(--panel2);border:1px solid var(--line);border-radius:12px;padding:15px;outline:none;line-height:1.55}.entry:focus{border-color:var(--accent)}.choices{display:flex;gap:7px;flex-wrap:wrap}.chip{border:1px solid var(--line);border-radius:99px;background:transparent;padding:8px 10px;color:var(--muted);font:10px 'DM Mono';letter-spacing:.06em}.chip.selected{background:var(--accent);border-color:var(--accent);color:#171b12}.energy{display:flex;gap:7px}.energy button{width:31px;height:31px;border:1px solid var(--line);background:var(--panel2);color:var(--muted);border-radius:6px}.energy button.selected{background:var(--accent);color:#171b12;border-color:var(--accent)}.film{border-top:1px solid var(--line);margin-top:18px;padding-top:16px}.film-title{font-size:20px;letter-spacing:-.03em}.film-copy{color:var(--muted);font-size:13px;line-height:1.55}.primary,.secondary,.danger{border:0;padding:11px 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.snippet{color:var(--muted);font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.empty{display:grid;place-items:center;min-height:280px;color:var(--muted);text-align:center;font-size:14px}.museum{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.artifact{background:var(--panel2);border:1px solid var(--line);border-radius:12px;padding:17px;text-align:left;color:var(--ink)}.artifact:hover{border-color:var(--accent)}.artifact span{display:block;font:10px 'DM Mono';color:var(--muted);letter-spacing:.08em}.artifact strong{display:block;font-size:18px;margin:18px 0 7px;letter-spacing:-.04em}.insights{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.metric{border:1px solid var(--line);border-radius:12px;padding:18px;min-height:120px}.metric .big{font-size:36px;letter-spacing:-.07em}.bars{display:flex;align-items:end;height:56px;gap:5px;margin-top:12px}.bar{background:var(--accent);opacity:.78;width:12%;border-radius:3px 3px 0 0}.profile-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:20px 0}.stat{border-top:1px solid var(--line);padding-top:10px}.stat b{display:block;font-size:24px;letter-spacing:-.06em}.stat span{font:10px 'DM Mono';color:var(--muted);letter-spacing:.08em}.formrow{display:grid;grid-template-columns:1fr 1.5fr;gap:12px;align-items:center;margin:9px 0}.formrow input{border:1px solid var(--line);background:var(--panel2);border-radius:8px;padding:10px}.settings section{border-top:1px solid var(--line);padding:17px 0}.settings section:first-child{border-top:0}.settings p{color:var(--muted);font-size:13px;line-height:1.55}.modal{position:fixed;inset:0;background:#0008;display:grid;place-items:center;z-index:5000}.modalbox{position:relative;width:min(410px,calc(100vw - 36px));background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:23px;box-shadow:var(--shadow)}.modal-close{position:absolute;top:12px;right:12px;width:32px;height:32px;border:1px solid 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 @media(max-width:650px){body{overflow:auto}.desktop{min-height:100vh}.brand{left:22px;top:20px}.desktop-icons{padding:79px 20px 100px;grid-template-columns:repeat(3,1fr);gap:28px 16px}.taskbar{bottom:11px;width:calc(100% - 22px);justify-content:space-between}.taskapp{display:inline-grid;place-items:center;min-width:32px;padding:0 6px}.clock{display:none}.window{position:fixed!important;inset:0!important;width:100%!important;height:100%!important;border:0;border-radius:0;z-index:2000!important}.window.min{display:none}.titlebar{padding-top:env(safe-area-inset-top);height:53px}.content{padding:20px}.today-grid{grid-template-columns:1fr}.launcher{left:11px;bottom:76px;width:calc(100% - 22px)}.calendar{right:11px;bottom:76px}.museum,.insights,.profile-grid{grid-template-columns:1fr 1fr}.profile-grid{gap:15px}.formrow{grid-template-columns:1fr}.boot{font-size:10px}}
 </style></head><body><div id="boot" class="boot"><b>LIFE OS</b><span>INITIALIZING PERSONAL SYSTEM...</span></div><main class="desktop" id="desktop"><div class="brand">LIFE OS / PERSONAL DESKTOP</div><div id="icons" class="desktop-icons"></div><div id="windows"></div><div id="launcher" class="launcher hidden"></div><div id="calendar" class="calendar hidden"></div><nav class="taskbar"><button class="life" onclick="toggleLauncher()">LIFE</button><div id="tasks"></div><button class="clock" onclick="toggleCalendar()"><span id="clock"></span><br><span id="date"></span></button></nav></main><div id="modal"></div><script>
-const ICONS={today:`<svg viewBox="0 0 24 24" aria-hidden="true"><rect x="3.5" y="5" width="17" height="15" rx="3"/><path d="M7.5 3.5v3M16.5 3.5v3M3.5 9h17M8 13h3M8 16h6"/></svg>`,timeline:`<svg viewBox="0 0 24 24" aria-hidden="true"><circle cx="12" cy="12" r="8.5"/><path d="M12 7v5l3.5 2.5M4 12h1.5M18.5 12H20M12 4v1.5M12 18.5V20"/></svg>`,museum:`<svg viewBox="0 0 24 24" aria-hidden="true"><path d="m4 10 8-5 8 5M5.5 10v8M9.5 10v8M14.5 10v8M18.5 10v8M3.5 19.5h17"/></svg>`,insights:`<svg viewBox="0 0 24 24" aria-hidden="true"><path d="M4 19.5V5M4 19.5h16M7.5 16v-4M12 16V8M16.5 16v-7"/></svg>`,profile:`<svg viewBox="0 0 24 24" aria-hidden="true"><circle cx="12" cy="8" r="3.5"/><path d="M5 20c.8-4 3.1-6 7-6s6.2 2 7 6"/></svg>`,system:`<svg viewBox="0 0 24 24" aria-hidden="true"><circle cx="12" cy="12" r="3"/><path d="M12 3.5v2M12 18.5v2M20.5 12h-2M5.5 12h-2M18 6l-1.4 1.4M7.4 16.6 6 18M18 18l-1.4-1.4M7.4 7.4 6 6"/></svg>`,tasks:`<svg viewBox="0 0 24 24" aria-hidden="true"><rect x="4" y="4" width="16" height="17" rx="3"/><path d="M8 9h8M8 13h8M8 17h4M9 2.8v2.5M15 2.8v2.5"/></svg>`};const APPS={today:[ICONS.today,'TODAY'],timeline:[ICONS.timeline,'TIMELINE'],museum:[ICONS.museum,'MUSEUM'],insights:[ICONS.insights,'INSIGHTS'],profile:[ICONS.profile,'PROFILE'],tasks:[ICONS.tasks,'TASKS'],system:[ICONS.system,'SYSTEM']};let windows={},z=20,selectedMood='cloudy',selectedEnergy=3,importData=null,selectedIcon=null,activeWindow=null;
+const ICONS={today:`<svg viewBox="0 0 24 24" aria-hidden="true"><rect x="3.5" y="5" width="17" height="15" rx="3"/><path d="M7.5 3.5v3M16.5 3.5v3M3.5 9h17M8 13h3M8 16h6"/></svg>`,timeline:`<svg viewBox="0 0 24 24" aria-hidden="true"><circle cx="12" cy="12" r="8.5"/><path d="M12 7v5l3.5 2.5M4 12h1.5M18.5 12H20M12 4v1.5M12 18.5V20"/></svg>`,museum:`<svg viewBox="0 0 24 24" aria-hidden="true"><path d="m4 10 8-5 8 5M5.5 10v8M9.5 10v8M14.5 10v8M18.5 10v8M3.5 19.5h17"/></svg>`,insights:`<svg viewBox="0 0 24 24" aria-hidden="true"><path d="M4 19.5V5M4 19.5h16M7.5 16v-4M12 16V8M16.5 16v-7"/></svg>`,profile:`<svg viewBox="0 0 24 24" aria-hidden="true"><circle cx="12" cy="8" r="3.5"/><path d="M5 20c.8-4 3.1-6 7-6s6.2 2 7 6"/></svg>`,system:`<svg viewBox="0 0 24 24" aria-hidden="true"><circle cx="12" cy="12" r="3"/><path d="M12 3.5v2M12 18.5v2M20.5 12h-2M5.5 12h-2M18 6l-1.4 1.4M7.4 16.6 6 18M18 18l-1.4-1.4M7.4 7.4 6 6"/></svg>`,tasks:`<svg viewBox="0 0 24 24" aria-hidden="true"><rect x="4" y="4" width="16" height="17" rx="3"/><path d="M8 9h8M8 13h8M8 17h4M9 2.8v2.5M15 2.8v2.5"/></svg>`,calendar:`<svg viewBox="0 0 24 24" aria-hidden="true"><rect x="3.5" y="5" width="17" height="16" rx="3"/><path d="M7.5 3v4M16.5 3v4M3.5 10h17M8 14h2M14 14h2M8 17h2"/></svg>`};const APPS={today:[ICONS.today,'TODAY'],timeline:[ICONS.timeline,'TIMELINE'],museum:[ICONS.museum,'MUSEUM'],insights:[ICONS.insights,'INSIGHTS'],profile:[ICONS.profile,'PROFILE'],tasks:[ICONS.tasks,'TASKS'],calendar:[ICONS.calendar,'CALENDAR'],system:[ICONS.system,'SYSTEM']};let windows={},z=20,selectedMood='cloudy',selectedEnergy=3,importData=null,selectedIcon=null,activeWindow=null;
 document.head.insertAdjacentHTML('beforeend','<style>.window{resize:both;min-width:360px;min-height:280px}.window.min{display:none!important}.window.active-window{border-color:color-mix(in srgb,var(--accent) 52%,var(--line))}.taskapp.minimized{opacity:.58;border:1px dashed var(--accent)}.taskapp.running{position:relative}.taskapp.running:after{content:"";position:absolute;bottom:3px;left:50%;width:4px;height:4px;transform:translateX(-50%);border-radius:50%;background:var(--accent)}.taskapp.foreground:after{width:16px;border-radius:3px}.glyph{background:transparent;border:0;box-shadow:none;border-radius:0}.glyph svg{width:33px;height:33px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.app-icon:hover .glyph{box-shadow:none}.app-icon:focus-visible .glyph{outline:2px solid var(--accent);outline-offset:5px}.taskapp svg{width:21px;height:21px;display:block;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.titleicon{border:0;background:transparent}.titleicon svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}@media(max-width:650px){.window{resize:none;min-width:0;min-height:0}}</style>');
 const films=[['A Quiet Tuesday','Drama · Slice of Life'],['The Afternoon That Stayed','Independent · Warm'],['Small Light, Long Hallway','Contemplative · Drama'],['Before the Notifications','Minimal · Coming of Age'],['Room With Open Curtains','Slice of Life · Calm'],['The Usual Way Home','Drama · Familiar'],['Notes Left Unfinished','Reflective · Short Film'],['A Weather of Thoughts','Quiet · Personal'],['The Day Between Things','Indie · Observational'],['Slow Hours, Soft Edges','Slice of Life · Dream'],['A Window Still Lit','Drama · Evening'],['Ordinary, Carefully Held','Human · Gentle'],['One More Page Tonight','Study · Slow Burn'],['The Space After Lunch','Memory · Calm'],['Late Bus, Clear Mind','Urban · Reflective'],['Little Things in Focus','Documentary · Life'],['What the Room Remembered','Poetic · Still'],['Blue Hour, No Rush','Evening · Quiet'],['The Map of a Small Day','Journey · Personal'],['Somewhere After Four','Indie · Warm'],['A Day With No Headline','Slice of Life · Soft'],['The Sound of Taking Time','Slow Cinema · Personal'],['Things That Did Not Need Fixing','Drama · Gentle'],['Halfway Through September','Memory · Youth'],['A Small Archive of Us','Personal · Quiet'],['The Night Kept Its Shape','Noir · Calm'],['Unscheduled Sunshine','Light · Personal'],['The Last Open Tab','Modern · Reflective'],['A Place for Today','Drama · Human'],['Nothing Lost to the Day','Slice of Life · Hopeful']];
 const lines=['Nothing remarkable happened. Maybe that was the point.','A small day, held carefully enough to remember.','The ordinary parts stayed longer than expected.','Not every chapter needs a dramatic ending.','Some thoughts arrived; some were allowed to pass.','A quiet record of being here.','The day moved at its own reasonable pace.','There was room for a little more softness.','Even the unfinished things belonged here.','The light changed, and so did the mood.','A scene worth keeping, without needing an explanation.','It was enough to notice the day as it was.','Time did not rush; neither did this memory.','The details were small, but they were real.','A pause became part of the story.','Somewhere, this became a day to keep.','The familiar became briefly luminous.','Nothing needed to be solved before nightfall.','A few moments stayed in focus.','The story was quiet, but it was still yours.','Today left a small mark.','A gentle frame around an ordinary hour.','The day asked for attention, not perfection.','This memory can rest here for now.','The world was loud; this page was not.','A few loose threads, honestly kept.','The simplest version of today was enough.','The day settled before it ended.','There was meaning in the in-between.','A private moment, safely archived.'];
@@ -29,10 +29,10 @@ ZH['Restore window']='恢复窗口';
 function browserLanguage(){let ls=navigator.languages?.length?navigator.languages:[navigator.language||'en'];return ls.some(x=>String(x).toLowerCase().startsWith('zh'))?'zh':'en'}function lang(){let s=settings();return s.languageMode==='manual'&&['en','zh'].includes(s.language)?s.language:browserLanguage()}function localizeDynamicText(zh){if(!zh)return;let walker=document.createTreeWalker(document.body,NodeFilter.SHOW_TEXT),nodes=[];while(walker.nextNode())nodes.push(walker.currentNode);nodes.forEach(node=>{if(node.parentElement?.closest('textarea,input,.entry,.snippet,.mtitle,.film-title,.film-copy'))return;let v=node.nodeValue.trim(),r,section=node.parentElement?.closest('section')?.querySelector('.eyebrow')?.textContent||'';if(v==='微光'&&section.includes('外观'))node.nodeValue=node.nodeValue.replace(v,'浅色');else if(v==='Local Storage')node.nodeValue=node.nodeValue.replace(v,'本地存储');else if(v==='Life OS')node.nodeValue=node.nodeValue.replace(v,'人生操作系统');else if(r=v.match(/^(\d+) (?:MEMORY|MEMORIES) ARCHIVED$/))node.nodeValue=node.nodeValue.replace(v,`${r[1]} 条记忆已归档`);else if(r=v.match(/^(\d+) DAYS$/))node.nodeValue=node.nodeValue.replace(v,`${r[1]} 天`);else if(r=v.match(/^Longest streak: (\d+) days$/))node.nodeValue=node.nodeValue.replace(v,`最长连续记录：${r[1]} 天`);else if(r=v.match(/^(\d+) memories · (\d+) preserved$/))node.nodeValue=node.nodeValue.replace(v,`${r[1]} 条记忆 · ${r[2]} 件已珍藏`);else if(r=v.match(/^Exported: (.+)$/))node.nodeValue=node.nodeValue.replace(v,`导出时间：${r[1]}`);else if(r=v.match(/^Memories: (\d+)$/))node.nodeValue=node.nodeValue.replace(v,`记忆：${r[1]}`);else if(r=v.match(/^Museum Items: (\d+)$/))node.nodeValue=node.nodeValue.replace(v,`博物馆藏品：${r[1]}`);else if(r=v.match(/^LAST BACKUP · (.+)$/))node.nodeValue=node.nodeValue.replace(v,`上次备份 · ${r[1]}`);else if(r=v.match(/^(\d+) memories · (\d+) museum items · Approx\. (\d+) KB$/))node.nodeValue=node.nodeValue.replace(v,`${r[1]} 条记忆 · ${r[2]} 件博物馆藏品 · 约 ${r[3]} KB`)})}function applyLanguage(){let zh=lang()==='zh';document.documentElement.lang=zh?'zh-CN':'en';document.title=zh?'Life OS / 人生操作系统':'Life OS';let map=zh?ZH:Object.fromEntries(Object.entries(ZH).map(([a,b])=>[b,a]));let walker=document.createTreeWalker(document.body,NodeFilter.SHOW_TEXT);let n=[];while(walker.nextNode())n.push(walker.currentNode);n.forEach(x=>{if(x.parentElement?.closest('textarea,input,.entry,.snippet,.mtitle,.film-title,.film-copy'))return;let v=x.nodeValue.trim();if(map[v])x.nodeValue=x.nodeValue.replace(v,map[v])});document.querySelectorAll('[placeholder]').forEach(x=>{if(zh&&ZH[x.placeholder])x.placeholder=ZH[x.placeholder];if(!zh){let k=Object.entries(ZH).find(([,v])=>v===x.placeholder)?.[0];if(k)x.placeholder=k}});localizeDynamicText(zh)}function setLanguage(v){let s=settings();s.language=v;s.languageMode=v==='auto'?'auto':'manual';save('lifeos_settings',s);renderIcons();renderAll();applyLanguage();toast(v==='auto'?(lang()==='zh'?'已跟随浏览器语言：中文':'Following browser language: English'):v==='zh'?'语言已切换为中文':'Language set to English')}
 function i18n(key,fallback=key){return lang()==='zh'?(ZH[key]||key):fallback}function appName(id){return i18n(APPS[id][1])}function moodName(m){return i18n(m.toUpperCase(),cap(m))}function day(){return new Date().toISOString().slice(0,10)}function fmtDate(d){return new Date(d+'T12:00:00').toLocaleDateString(lang()==='zh'?'zh-CN':'en-US',{weekday:'long',month:'long',day:'numeric',year:'numeric'})}function shortDate(d){return new Date(d+'T12:00:00').toLocaleDateString(lang()==='zh'?'zh-CN':'en-US',lang()==='zh'?{month:'numeric',day:'numeric'}:{month:'short',day:'numeric'}).toUpperCase()}function cap(x){return x[0].toUpperCase()+x.slice(1)}function esc(s){return (s||'').replace(/[&<>]/g,x=>({'&':'&amp;','<':'&lt;','>':'&gt;'}[x]))}
 function applyWallpaper(w){if(!w?.url)return;desktop.style.backgroundImage=`linear-gradient(120deg,color-mix(in srgb,var(--bg) 68%,transparent),color-mix(in srgb,var(--bg) 36%,transparent)),url('${w.url}')`;desktop.style.backgroundSize='cover';desktop.style.backgroundPosition='center';desktop.title=`Bing daily image: ${w.title||'Daily image'}`}async function loadBingWallpaper(){let s=settings();if(s.wallpaper?.date===day()&&s.wallpaper?.source==='lifeos-proxy'){applyWallpaper(s.wallpaper);return}try{let r=await fetch('/api/bing-wallpaper'),d=await r.json();if(!r.ok||!d.url)throw Error(d.error||'No Bing image');s.wallpaper={date:day(),url:'/api/bing-wallpaper-image?date='+day(),title:d.title||'Bing daily image',source:'lifeos-proxy'};save('lifeos_settings',s);applyWallpaper(s.wallpaper)}catch(e){console.info('Bing wallpaper unavailable; using the calm fallback.',e)}}function init(){let s=settings();document.documentElement.dataset.theme=s.theme==='auto'?(matchMedia('(prefers-color-scheme:light)').matches?'light':'dark'):s.theme;renderIcons();renderTaskbar();loadBingWallpaper();setInterval(clock,1000);clock();setTimeout(applyLanguage,0);setTimeout(()=>boot.remove(),650)}
-function desktopIconClick(id,e){if(innerWidth<650){openApp(id);return}selectedIcon=id;document.querySelectorAll('.app-icon').forEach(x=>x.classList.remove('selected'));e.currentTarget.classList.add('selected')}function desktopIconKey(id,e){if(e.key==='Enter'||e.key===' '){e.preventDefault();openApp(id)}}function renderIcons(){icons.innerHTML=Object.entries(APPS).map(([id,[g,n]])=>`<button class="app-icon ${selectedIcon===id?'selected':''}" onclick="desktopIconClick('${id}',event)" ondblclick="openApp('${id}')" onkeydown="desktopIconKey('${id}',event)" oncontextmenu="showContext(event,'${id}')" title="${appName(id)}"><span class="glyph">${g}</span><span>${appName(id)}</span></button>`).join('')}function taskClick(id){let w=windows[id];if(!w){openApp(id);return}if(w.classList.contains('min')){openApp(id);return}if(activeWindow===id){minWin(id);return}focus(w)}function renderTaskbar(){let ids=innerWidth<650?Object.keys(windows):['today','timeline','museum','insights','tasks'];tasks.innerHTML=ids.map(id=>{let w=windows[id],min=w?.classList.contains('min'),fg=activeWindow===id&&!min;return`<button class="taskapp ${w?'active running':''} ${min?'minimized':''} ${fg?'foreground':''}" title="${min?i18n('Restore window','Restore window'):appName(id)}" aria-label="${min?i18n('Restore window','Restore window'):i18n('Open')} ${appName(id)}" onclick="taskClick('${id}')">${APPS[id][0]}</button>`}).join('')}
+function desktopIconClick(id,e){if(innerWidth<650){openApp(id);return}selectedIcon=id;document.querySelectorAll('.app-icon').forEach(x=>x.classList.remove('selected'));e.currentTarget.classList.add('selected')}function desktopIconKey(id,e){if(e.key==='Enter'||e.key===' '){e.preventDefault();openApp(id)}}function renderIcons(){icons.innerHTML=Object.entries(APPS).map(([id,[g,n]])=>`<button class="app-icon ${selectedIcon===id?'selected':''}" onclick="desktopIconClick('${id}',event)" ondblclick="openApp('${id}')" onkeydown="desktopIconKey('${id}',event)" oncontextmenu="showContext(event,'${id}')" title="${appName(id)}"><span class="glyph">${g}</span><span>${appName(id)}</span></button>`).join('')}function taskClick(id){let w=windows[id];if(!w){openApp(id);return}if(w.classList.contains('min')){openApp(id);return}if(activeWindow===id){minWin(id);return}focus(w)}function renderTaskbar(){let ids=innerWidth<650?Object.keys(windows):['today','timeline','museum','insights','tasks','calendar'];tasks.innerHTML=ids.map(id=>{let w=windows[id],min=w?.classList.contains('min'),fg=activeWindow===id&&!min;return`<button class="taskapp ${w?'active running':''} ${min?'minimized':''} ${fg?'foreground':''}" title="${min?i18n('Restore window','Restore window'):appName(id)}" aria-label="${min?i18n('Restore window','Restore window'):i18n('Open')} ${appName(id)}" onclick="taskClick('${id}')">${APPS[id][0]}</button>`}).join('')}
 function clock(){let d=new Date();document.querySelector('#clock').textContent=d.toLocaleTimeString([], {hour:'2-digit',minute:'2-digit'});document.querySelector('#date').textContent=d.toLocaleDateString(lang()==='zh'?'zh-CN':'en-US',lang()==='zh'?{month:'numeric',day:'numeric'}:{month:'short',day:'numeric'}).toUpperCase()}function toggleLauncher(){launcher.classList.toggle('hidden');calendar.classList.add('hidden');launcher.innerHTML=`<div class="launchhead"><span>LIFE OS</span><span>${i18n(`GOOD ${new Date().getHours()<12?'MORNING':new Date().getHours()<18?'AFTERNOON':'EVENING'}`)}</span></div><div class="launchgrid">${Object.entries(APPS).map(([id,a])=>`<button class="launchitem" onclick="openApp('${id}');toggleLauncher()">${a[0]}<br><br>${appName(id)}</button>`).join('')}</div><div class="systemline">${i18n('SYSTEM ONLINE · LIFE OS v0.1')}</div>`}function toggleCalendar(){calendar.classList.toggle('hidden');launcher.classList.add('hidden');calendar.innerHTML=`<div class="eyebrow">${i18n('SYSTEM DATE')}</div><h2>${fmtDate(day())}</h2><p class="sub">${lang()==='zh'?`${mems().length} 条记忆 · ${museum().length} 件已珍藏`:`${mems().length} memories · ${museum().length} preserved`}</p>`}function hideContext(){document.querySelector('#life-context')?.remove()}function showContext(e,id){e.preventDefault();e.stopPropagation();hideContext();let zh=lang()==='zh',labels=zh?{open:'打开',min:'最小化',close:'关闭',refresh:'刷新桌面',new:'新建今日记录',system:'系统设置'}:{open:'Open',min:'Minimize',close:'Close',refresh:'Refresh desktop',new:'New today entry',system:'System settings'},actions=id?`<button onclick="openApp('${id}');hideContext()">${labels.open}</button>${windows[id]?`<button onclick="minWin('${id}');hideContext()">${labels.min}</button><button onclick="closeWin('${id}');hideContext()">${labels.close}</button>`:''}`:`<button onclick="renderIcons();hideContext()">${labels.refresh}</button><button onclick="openApp('today');hideContext()">${labels.new}</button><hr><button onclick="openApp('system');hideContext()">${labels.system}</button>`;let m=document.createElement('div');m.id='life-context';m.style.cssText=`position:fixed;z-index:7000;left:${Math.min(e.clientX,innerWidth-190)}px;top:${Math.min(e.clientY,innerHeight-150)}px;width:180px;padding:6px;background:var(--panel);border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow)`;m.innerHTML=actions;m.querySelectorAll('button').forEach(b=>b.style.cssText='display:block;width:100%;border:0;background:transparent;color:var(--ink);text-align:left;border-radius:6px;padding:9px 10px;font:12px Manrope');m.querySelectorAll('button').forEach(b=>b.onmouseenter=()=>b.style.background='var(--panel2)');document.body.append(m)}document.addEventListener('contextmenu',e=>{if(e.target.closest('.desktop')&&!e.target.closest('.app-icon')&&!e.target.closest('.window'))showContext(e,null)});document.addEventListener('click',hideContext)
 function openApp(id){launcher.classList.add('hidden');let w=windows[id];if(w){w.classList.remove('min');focus(w);return}w=document.createElement('section');w.className='window';w.dataset.id=id;w.style.left=(innerWidth<650?0:90+Object.keys(windows).length*36)+'px';w.style.top=(innerWidth<650?0:72+Object.keys(windows).length*28)+'px';w.innerHTML=`<div class="titlebar" title="Double-click to maximize"><span class="titleicon">${APPS[id][0]}</span><span class="wtitle">${appName(id)}</span><div class="controls"><button data-window-action="min" aria-label="${i18n('Minimize')}">—</button><button data-window-action="max" aria-label="${i18n('Maximize')}">□</button><button data-window-action="close" aria-label="${i18n('Close')}">×</button></div></div><div class="content" id="content-${id}"></div>`;windows[id]=w;document.querySelector('#windows').append(w);let controls=w.querySelector('.controls'),bar=w.querySelector('.titlebar');controls.addEventListener('pointerdown',e=>{e.preventDefault();e.stopPropagation()});controls.addEventListener('click',e=>{let action=e.target.closest('button')?.dataset.windowAction;if(!action)return;e.preventDefault();e.stopPropagation();if(action==='min')minWin(id);if(action==='max')maxWin(id);if(action==='close')closeWin(id)});bar.addEventListener('dblclick',e=>{if(!e.target.closest('.controls'))maxWin(id)});w.addEventListener('pointerdown',()=>focus(w));drag(w);renderApp(id);focus(w)}function focus(w){if(!w)return;activeWindow=w.dataset.id;w.style.zIndex=++z;document.querySelectorAll('.window').forEach(x=>x.classList.toggle('active-window',x===w));renderTaskbar()}function closeWin(id){windows[id]?.remove();delete windows[id];if(activeWindow===id){activeWindow=Object.keys(windows).find(k=>!windows[k].classList.contains('min'))||null;if(activeWindow)focus(windows[activeWindow])}renderTaskbar()}function minWin(id){let w=windows[id];if(!w)return;w.classList.add('min');if(activeWindow===id){activeWindow=Object.keys(windows).find(k=>k!==id&&!windows[k].classList.contains('min'))||null;if(activeWindow)focus(windows[activeWindow])}renderTaskbar();toast(i18n('MINIMIZED — TAP THE APP ICON TO RESTORE'))}function maxWin(id){let w=windows[id];if(!w)return;w.classList.toggle('max');focus(w)}function snapWindow(w){if(innerWidth<650||w.classList.contains('max'))return;let r=w.getBoundingClientRect(),edge=22;if(r.top<edge){w.classList.add('max');return}if(r.left<edge){w.style.left='18px';w.style.top='18px';w.style.width='calc(50vw - 27px)';w.style.height='calc(100vh - 98px)'}else if(r.right>innerWidth-edge){w.style.left='calc(50vw + 9px)';w.style.top='18px';w.style.width='calc(50vw - 27px)';w.style.height='calc(100vh - 98px)'}}function drag(w){let bar=w.querySelector('.titlebar'),x,y,l,t;bar.onpointerdown=e=>{if(e.target.closest('.controls')||innerWidth<650)return;if(w.classList.contains('max'))w.classList.remove('max');x=e.clientX;y=e.clientY;l=w.offsetLeft;t=w.offsetTop;bar.setPointerCapture(e.pointerId);bar.onpointermove=e=>{w.style.left=Math.max(0,l+e.clientX-x)+'px';w.style.top=Math.max(0,t+e.clientY-y)+'px'};bar.onpointerup=()=>{bar.onpointermove=null;snapWindow(w)}}}document.addEventListener('keydown',e=>{if(e.altKey&&e.key==='F4'&&activeWindow){e.preventDefault();closeWin(activeWindow)}if(e.key==='Escape'&&activeWindow&&!document.querySelector('.modal')&&!document.querySelector('#lifeos-search')){let w=windows[activeWindow];if(w?.classList.contains('max')){e.preventDefault();maxWin(activeWindow)}}})
-function renderApp(id){let c=document.querySelector('#content-'+id);if(!c)return;if(id==='today')today(c);if(id==='timeline')timeline(c);if(id==='museum')museumApp(c);if(id==='insights')insights(c);if(id==='profile')profileApp(c);if(id==='tasks')tasksApp(c);if(id==='system')systemApp(c);setTimeout(applyLanguage,0)}function renderAll(){Object.keys(windows).forEach(renderApp);renderTaskbar();setTimeout(applyLanguage,0)}document.addEventListener('click',e=>{if(e.target.closest('#content-today .chip,#content-today .energy button'))setTimeout(applyLanguage,0)})
+function renderApp(id){let c=document.querySelector('#content-'+id);if(!c)return;if(id==='today')today(c);if(id==='timeline')timeline(c);if(id==='museum')museumApp(c);if(id==='insights')insights(c);if(id==='profile')profileApp(c);if(id==='tasks')tasksApp(c);if(id==='calendar')calendarApp(c);if(id==='system')systemApp(c);setTimeout(applyLanguage,0)}function renderAll(){Object.keys(windows).forEach(renderApp);renderTaskbar();setTimeout(applyLanguage,0)}document.addEventListener('click',e=>{if(e.target.closest('#content-today .chip,#content-today .energy button'))setTimeout(applyLanguage,0)})
 let todayDraft=null;function today(c){let m=mems().find(x=>x.date===day());if(todayDraft===null){selectedMood=m?.mood||'cloudy';selectedEnergy=m?.energy||3}let f=m||filmFor(selectedMood,selectedEnergy),text=todayDraft===null?(m?.text||''):todayDraft;c.innerHTML=`<div class="eyebrow">${new Date().toLocaleDateString('en-US',{weekday:'long'}).toUpperCase()}</div><h1>${fmtDate(day()).replace(/^[^,]+, /,'')}</h1><p class="sub">How was your day?</p><div class="today-grid"><div><textarea id="entry" class="entry" placeholder="Write something about today..." oninput="todayDraft=this.value">${esc(text)}</textarea><div class="actions"><button class="primary" onclick="archiveToday()">${m?'UPDATE MEMORY':'ARCHIVE TODAY'}</button><span id="saveStatus" class="status"></span></div></div><aside><div class="eyebrow">TODAY'S WEATHER</div><div class="choices">${['clear','light','cloudy','rain','storm'].map(x=>`<button class="chip ${x===selectedMood?'selected':''}" onclick="setMood('${x}')">${x.toUpperCase()}</button>`).join('')}</div><div class="eyebrow" style="margin-top:22px">ENERGY LEVEL</div><div class="energy">${[1,2,3,4,5].map(x=>`<button class="${x===selectedEnergy?'selected':''}" onclick="setEnergy(${x})">${x}</button>`).join('')}</div><div class="film"><div class="eyebrow">TODAY'S FILM</div><div class="film-title">${f.filmTitle}</div><div class="sub">${f.filmSubtitle}</div><p class="film-copy">“${f.filmLine}”</p></div></aside></div>`}function filmFor(m,e){let n=Math.abs([...m].reduce((a,c)=>a+c.charCodeAt(0),e*7)+new Date().getDate())%films.length;return{filmTitle:films[n][0],filmSubtitle:films[n][1],filmLine:lines[(n*3+e)%lines.length]}}function rerenderToday(){let old=document.querySelector('#entry');todayDraft=old?old.value:todayDraft||'';today(document.querySelector('#content-today'));let entry=document.querySelector('#entry');entry?.focus();entry?.setSelectionRange(entry.value.length,entry.value.length)}function setMood(x){selectedMood=x;rerenderToday()}function setEnergy(x){selectedEnergy=x;rerenderToday()}function archiveToday(){let text=document.querySelector('#entry').value.trim(),a=mems(),old=a.find(x=>x.date===day()),f=old||filmFor(selectedMood,selectedEnergy),now=new Date().toISOString(),m={id:old?.id||'memory_'+crypto.randomUUID(),date:day(),text,mood:selectedMood,energy:selectedEnergy,filmTitle:f.filmTitle,filmSubtitle:f.filmSubtitle,filmLine:f.filmLine,createdAt:old?.createdAt||now,updatedAt:now};let status=document.querySelector('#saveStatus');status.textContent='ARCHIVING MEMORY...';setTimeout(()=>{save('lifeos_memories',[...a.filter(x=>x.date!==day()),m].sort((x,y)=>y.date.localeCompare(x.date)));todayDraft=null;status.textContent='MEMORY ARCHIVED';renderAll()},360)}
 function timeline(c){let a=mems();c.innerHTML=`<div class="eyebrow">MEMORY ARCHIVE</div><h1>${a.length} ${a.length===1?'MEMORY':'MEMORIES'} ARCHIVED</h1>${a.length?`<div class="timeline">${a.map(m=>`<article class="memory"><button onclick="detail('${m.id}')"><div class="date">${shortDate(m.date)} · ${m.mood.toUpperCase()} · ENERGY ${m.energy}</div><div class="mtitle">${esc(m.filmTitle)}</div><div class="snippet">${esc(m.text||'No written note.')}</div></button></article>`).join('')}</div>`:'<div class="empty">No memories yet.<br>Open Today when you are ready to keep one.</div>'}`}function detail(id){let m=mems().find(x=>x.id===id);if(!m)return;modal.innerHTML=`<div class="modal"><div class="modalbox"><div class="eyebrow">MEMORY DETAIL</div><h1>${esc(m.filmTitle)}</h1><p class="sub">${fmtDate(m.date)} · ${m.mood.toUpperCase()} · ENERGY ${m.energy}</p><p style="line-height:1.65">${esc(m.text||'No written note.').replace(/\n/g,'<br>')}</p><p class="film-copy">${m.filmSubtitle}</p><div class="actions"><button class="primary" onclick="editMemory('${m.id}')">EDIT</button><button class="secondary" onclick="preserve('${m.id}')">${museum().some(x=>x.memoryId===m.id)?'PRESERVED':'ADD TO MUSEUM'}</button><button class="danger" onclick="confirmDelete('${m.id}')">DELETE</button></div></div></div>`}function editMemory(id){let m=mems().find(x=>x.id===id);modal.innerHTML='';openApp('today');selectedMood=m.mood;selectedEnergy=m.energy;let cur=mems(),ix=cur.findIndex(x=>x.id===id);cur[ix].date=day();save('lifeos_memories',cur);today(document.querySelector('#content-today'));document.querySelector('#entry').value=m.text;toast('EDITING AS TODAY — SAVE TO UPDATE')}function preserve(id){let m=mems().find(x=>x.id===id),a=museum();if(!a.some(x=>x.memoryId===id)){save('lifeos_museum',[...a,{id:'artifact_'+crypto.randomUUID(),memoryId:id,preservedAt:new Date().toISOString()}]);toast('MEMORY PRESERVED')}modal.innerHTML='';renderAll()}function confirmDelete(id){modal.innerHTML=`<div class="modal"><div class="modalbox"><div class="eyebrow">CONFIRM DELETE</div><h2>Remove this memory?</h2><p class="sub">This cannot be undone.</p><div class="actions"><button class="danger" onclick="deleteMemory('${id}')">DELETE MEMORY</button><button class="secondary" onclick="modal.innerHTML=''">CANCEL</button></div></div></div>`}function deleteMemory(id){save('lifeos_memories',mems().filter(x=>x.id!==id));save('lifeos_museum',museum().filter(x=>x.memoryId!==id));modal.innerHTML='';renderAll();toast('MEMORY REMOVED')}
 function museumApp(c){let a=museum(),ms=mems();c.innerHTML=`<div class="eyebrow">MUSEUM</div><h1>Preserved moments</h1><p class="sub">Worth keeping for the long view.</p>${a.length?`<div class="museum">${a.map(x=>{let m=ms.find(q=>q.id===x.memoryId);return m?`<button class="artifact" onclick="detail('${m.id}')"><span>COLLECTION #${x.id.slice(-4).toUpperCase()}</span><strong>${esc(m.filmTitle)}</strong><span>${fmtDate(m.date)}<br><br>STATUS: PRESERVED</span></button>`:''}).join('')}</div>`:'<div class="empty">A museum begins with one preserved moment.</div>'}`}
@@ -40,4 +40,4 @@ function streak(a){let s=0,d=new Date();while(a.some(m=>m.date===d.toISOString()
 function profileApp(c){let p=profile(),a=mems(),common=Object.entries(a.reduce((o,m)=>(o[m.mood]=(o[m.mood]||0)+1,o),{})).sort((x,y)=>y[1]-x[1])[0]?.[0]||'—',avg=a.length?(a.reduce((x,m)=>x+m.energy,0)/a.length).toFixed(1):'—',started=Math.max(1,Math.floor((Date.now()-new Date(p.startDate))/864e5));c.innerHTML=`<div class="eyebrow">SYSTEM PROFILE</div><h1>${p.name?esc(p.name)+' · ':''}LIFE OS ONLINE</h1><div class="profile-grid"><div class="stat"><b>${started}</b><span>DAYS ONLINE</span></div><div class="stat"><b>${a.length}</b><span>MEMORIES</span></div><div class="stat"><b>${museum().length}</b><span>MUSEUM ITEMS</span></div><div class="stat"><b>${streak(a)}</b><span>CURRENT STREAK</span></div><div class="stat"><b>${longest(a)}</b><span>LONGEST STREAK</span></div><div class="stat"><b>${cap(common)}</b><span>COMMON WEATHER</span></div></div><div class="eyebrow">PERSONAL SYSTEM</div><div class="formrow"><label>Display Name</label><input id="pname" value="${esc(p.name)}"></div><div class="formrow"><label>Birthday (optional)</label><input id="pbday" type="date" value="${esc(p.birthday)}"></div><div class="formrow"><label>Life OS Start Date</label><input id="pstart" type="date" value="${esc(p.startDate)}"></div><div class="formrow"><label>Personal Motto</label><input id="pmotto" value="${esc(p.motto)}"></div><div class="actions"><button class="primary" onclick="saveProfile()">SAVE PROFILE</button><span class="status">AVERAGE ENERGY ${avg} / 5</span></div>`}function saveProfile(){save('lifeos_profile',{name:pname.value,birthday:pbday.value,startDate:pstart.value||day(),motto:pmotto.value});renderAll();toast('PROFILE SAVED')}
 function today(c){let m=mems().find(x=>x.date===day());if(todayDraft===null){selectedMood=m?.mood||'cloudy';selectedEnergy=m?.energy||3}let f=m||filmFor(selectedMood,selectedEnergy),text=todayDraft===null?(m?.text||''):todayDraft,cWeek=new Date().toLocaleDateString(lang()==='zh'?'zh-CN':'en-US',{weekday:'long'}).toUpperCase();c.innerHTML=`<div class="eyebrow">${cWeek}</div><h1>${fmtDate(day()).replace(/^[^,]+, /,'')}</h1><p class="sub">${i18n('How was your day?')}</p><div class="today-grid"><div><textarea id="entry" class="entry" placeholder="${i18n('Write something about today...')}" oninput="todayDraft=this.value">${esc(text)}</textarea><div class="actions"><button class="primary" onclick="archiveToday()">${i18n(m?'UPDATE MEMORY':'ARCHIVE TODAY')}</button><span id="saveStatus" class="status"></span></div></div><aside><div class="eyebrow">${i18n("TODAY'S WEATHER")}</div><div class="choices">${['clear','light','cloudy','rain','storm'].map(x=>`<button class="chip ${x===selectedMood?'selected':''}" onclick="setMood('${x}')">${moodName(x)}</button>`).join('')}</div><div class="eyebrow" style="margin-top:22px">${i18n('ENERGY LEVEL')}</div><div class="energy">${[1,2,3,4,5].map(x=>`<button class="${x===selectedEnergy?'selected':''}" onclick="setEnergy(${x})">${x}</button>`).join('')}</div><div class="film"><div class="eyebrow">${i18n("TODAY'S FILM")}</div><div class="film-title">${f.filmTitle}</div><div class="sub">${f.filmSubtitle}</div><p class="film-copy">“${f.filmLine}”</p></div></aside></div>`}function rerenderToday(){let old=document.querySelector('#entry');todayDraft=old?old.value:todayDraft||'';today(document.querySelector('#content-today'));let entry=document.querySelector('#entry');entry?.focus();entry?.setSelectionRange(entry.value.length,entry.value.length)}
 function systemApp(c){let s=settings(),bytes=new Blob([JSON.stringify({mems:mems(),museum:museum(),profile:profile()})]).size;let rec=s.lastBackup&&(Date.now()-new Date(s.lastBackup)>12096e5);c.innerHTML=`<div class="eyebrow">SYSTEM SETTINGS</div><h1>System, local and yours.</h1><div class="settings"><section><div class="eyebrow">APPEARANCE</div><div class="choices">${['dark','light','auto'].map(x=>`<button class="chip ${s.theme===x?'selected':''}" onclick="theme('${x}')">${x.toUpperCase()}</button>`).join('')}</div></section><section><div class="eyebrow">LANGUAGE</div><div class="choices"><button class="chip ${s.language!=='zh'?'selected':''}" onclick="setLanguage('en')">ENGLISH</button><button class="chip ${s.language==='zh'?'selected':''}" onclick="setLanguage('zh')">CHINESE</button></div></section><section><div class="eyebrow">DATA</div><div class="actions"><button class="primary" onclick="exportData()">EXPORT DATA</button><button class="secondary" onclick="document.querySelector('#importer').click()">IMPORT DATA</button><button class="danger" onclick="resetConfirm()">RESET LIFE OS</button><input id="importer" class="hidden" type="file" accept=".json" onchange="readImport(this)"></div></section><section><div class="eyebrow">STORAGE</div><p>Local Storage<br>${mems().length} memories · ${museum().length} museum items · Approx. ${Math.ceil(bytes/1024)} KB</p></section><section><div class="eyebrow">DATA STORAGE</div><p>Your data is stored locally in this browser.<br>Create regular backups to prevent data loss.</p><p>${s.lastBackup?'LAST BACKUP · '+fmtDate(s.lastBackup.slice(0,10)):'LAST BACKUP · NEVER'} ${rec?'<br><b style="color:var(--accent)">BACKUP RECOMMENDED</b>':''}</p></section><section><div class="eyebrow">VERSION</div><p>Life OS<br>Version 0.1 · Schema v1</p></section></div>`}function theme(x){let s=settings();s.theme=x;save('lifeos_settings',s);init();renderAll()}function exportData(){let data={app:'Life OS',version:'0.1',schemaVersion:1,exportedAt:new Date().toISOString(),profile:profile(),memories:mems(),museum:museum(),settings:settings()};let a=document.createElement('a');a.href=URL.createObjectURL(new Blob([JSON.stringify(data,null,2)],{type:'application/json'}));a.download='life-os-backup-'+day()+'.json';a.click();let s=settings();s.lastBackup=new Date().toISOString();save('lifeos_settings',s);renderAll();toast('BACKUP CREATED')}function readImport(el){let f=el.files[0];if(!f)return;let r=new FileReader;r.onload=()=>{try{let d=JSON.parse(r.result);if(d.app!=='Life OS'||d.schemaVersion!==1||!Array.isArray(d.memories)||!Array.isArray(d.museum))throw 0;importData=d;importPreview()}catch{toast('INVALID BACKUP FILE')}};r.readAsText(f)}function importPreview(){let d=importData;modal.innerHTML=`<div class="modal"><div class="modalbox"><div class="eyebrow">LIFE OS BACKUP</div><h2>Ready to restore</h2><p class="sub">Exported: ${fmtDate(d.exportedAt.slice(0,10))}<br>Memories: ${d.memories.length}<br>Museum Items: ${d.museum.length}</p><div class="actions"><button class="primary" onclick="applyImport('merge')">MERGE</button><button class="danger" onclick="replaceConfirm()">REPLACE ALL DATA</button><button class="secondary" onclick="modal.innerHTML=''">CANCEL</button></div></div></div>`}function replaceConfirm(){modal.innerHTML=`<div class="modal"><div class="modalbox"><div class="eyebrow">FINAL CONFIRMATION</div><h2>Replace all Life OS data?</h2><p class="sub">This will replace all current Life OS data.</p><div class="actions"><button class="danger" onclick="applyImport('replace')">REPLACE DATA</button><button class="secondary" onclick="importPreview()">CANCEL</button></div></div></div>`}function applyImport(mode){let d=importData;if(mode==='replace'){save('lifeos_memories',d.memories);save('lifeos_museum',d.museum);save('lifeos_profile',d.profile||{});save('lifeos_settings',d.settings||{})}else{let a=mems(), ids=new Set(a.map(x=>x.id)),dates=new Set(a.map(x=>x.date));save('lifeos_memories',[...a,...d.memories.filter(x=>!ids.has(x.id)&&!dates.has(x.date))]);let mu=museum(),mi=new Set(mu.map(x=>x.id));save('lifeos_museum',[...mu,...d.museum.filter(x=>!mi.has(x.id))])}modal.innerHTML='';toast('RESTORING SYSTEM...');setTimeout(()=>{renderAll();toast('SYSTEM RESTORED')},500)}function resetConfirm(){modal.innerHTML=`<div class="modal"><div class="modalbox"><div class="eyebrow">RESET LIFE OS</div><h2>Reset all local data?</h2><p class="sub">Export a backup first if you want to keep it.</p><div class="actions"><button class="danger" onclick="['lifeos_memories','lifeos_museum','lifeos_profile','lifeos_settings','lifeos_system'].forEach(k=>localStorage.removeItem(k));location.reload()">RESET DATA</button><button class="secondary" onclick="modal.innerHTML=''">CANCEL</button></div></div></div>`}function toast(t){let x=document.createElement('div');x.className='toast';x.textContent=t;document.body.append(x);setTimeout(()=>x.remove(),2000)}init();
-</script><script src="boot-guard.js"></script><script src="i18n.js"></script><script src="tasks.js"></script><script src="i18n-renderers.js"></script><script src="addons.js"></script><script>if('serviceWorker' in navigator){window.addEventListener('load',()=>navigator.serviceWorker.register('/service-worker.js').catch(()=>{}))}</script></body></html>
+</script><script src="boot-guard.js"></script><script src="i18n.js"></script><script src="tasks.js"></script><script src="calendar.js"></script><script src="i18n-renderers.js"></script><script src="addons.js"></script><script>if('serviceWorker' in navigator){window.addEventListener('load',()=>navigator.serviceWorker.register('/service-worker.js').catch(()=>{}))}</script></body></html>
diff --git a/public/service-worker.js b/public/service-worker.js
index ed8c9db..fb4c976 100644
--- a/public/service-worker.js
+++ b/public/service-worker.js
@@ -1,7 +1,7 @@
-const CACHE = 'life-os-shell-v1.2.0';
+const CACHE = 'life-os-shell-v1.3.0';
 const SHELL = [
   '/', '/index.html', '/manifest.webmanifest', '/life-os-icon.svg',
-  '/boot-guard.js', '/i18n.js', '/tasks.js?v=1.2.0', '/i18n-renderers.js', '/addons.js?v=1.2.0'
+  '/boot-guard.js', '/i18n.js', '/tasks.js?v=1.3.0', '/calendar.js?v=1.3.0', '/i18n-renderers.js', '/addons.js?v=1.3.0'
 ];
 
 self.addEventListener('install', event => {
diff --git a/public/tasks.js b/public/tasks.js
index a49430f..6122351 100644
--- a/public/tasks.js
+++ b/public/tasks.js
@@ -58,7 +58,7 @@
     const data = board(); data.goals.unshift({ id: `goal_${crypto.randomUUID()}`, title, description: document.querySelector('#goal-new-description').value.trim(), targetDate: document.querySelector('#goal-new-date').value || '', done: false, createdAt: new Date().toISOString() });
     document.querySelector('#modal').innerHTML = ''; persist(data); toast('tasks.goalCreated');
   };
-  window.setGoalDone = (id, done) => { const data = board(), goal = data.goals.find(item => item.id === id); if (!goal) return; goal.done = done; persist(data); };
+  window.setGoalDone = (id, done) => { const data = board(), goal = data.goals.find(item => item.id === id); if (!goal) return; goal.done = done; goal.completedAt = done ? new Date().toISOString() : null; persist(data); };
   window.deleteGoal = id => {
     document.querySelector('#modal').innerHTML = `<div class="modal" onclick="if(event.target===this) closeModal()"><div class="modalbox" role="dialog" aria-modal="true"><button class="modal-close" onclick="closeModal()" aria-label="${LifeI18n.t('common.close')}">×</button><div class="eyebrow">${t('eyebrow')}</div><h2>${t('confirmGoalDelete')}</h2><p class="sub">${t('confirmGoalDeleteBody')}</p><div class="actions"><button class="danger" onclick="confirmDeleteGoal('${esc(id)}')">${t('delete')}</button><button class="secondary" onclick="closeModal()">${t('cancel')}</button></div></div></div>`;
   };
diff --git a/scripts/build.mjs b/scripts/build.mjs
index e07e03a..ee2a799 100644
--- a/scripts/build.mjs
+++ b/scripts/build.mjs
@@ -7,16 +7,16 @@ const meta = new URL("../dist/.openai/", import.meta.url);
 
 await rm(dist, { recursive: true, force: true });
 await Promise.all([mkdir(server, { recursive: true }), mkdir(meta, { recursive: true })]);
-const [rawIndexHtml, addonsJs, bootGuardJs, i18nJs, tasksJs, i18nRenderersJs, manifest, serviceWorker, icon] = await Promise.all([text("index.html"), text("addons.js"), text("boot-guard.js"), text("i18n.js"), text("tasks.js"), text("i18n-renderers.js"), text("manifest.webmanifest"), text("service-worker.js"), text("life-os-icon.svg")]);
-const release = "1.2.0";
+const [rawIndexHtml, addonsJs, bootGuardJs, i18nJs, tasksJs, calendarJs, i18nRenderersJs, manifest, serviceWorker, icon] = await Promise.all([text("index.html"), text("addons.js"), text("boot-guard.js"), text("i18n.js"), text("tasks.js"), text("calendar.js"), text("i18n-renderers.js"), text("manifest.webmanifest"), text("service-worker.js"), text("life-os-icon.svg")]);
+const release = "1.3.0";
 // The original single-file prototype carried an obsolete English-to-Chinese
 // DOM replacement block.  Runtime localisation now lives in i18n.js and
 // i18n-renderers.js, so exclude that dead block from the deployed document.
 const withoutLegacyI18n = rawIndexHtml
   .replace(/const ZH=.*?function browserLanguage/s, 'function browserLanguage')
   .replace(/function localizeDynamicText.*?function i18n\(key,fallback=key\)\{return lang\(\)===\'zh\'\?\(ZH\[key\]\|\|key\):fallback\}/s, 'function i18n(key,fallback=key){return fallback}');
-const indexHtml = withoutLegacyI18n.replace('src="addons.js"', `src="addons.js?v=${release}"`).replace('src="tasks.js"', `src="tasks.js?v=${release}"`);
-await writeFile(new URL("assets.js", server), `export const indexHtml=${JSON.stringify(indexHtml)};\nexport const addonsJs=${JSON.stringify(addonsJs)};\nexport const bootGuardJs=${JSON.stringify(bootGuardJs)};\nexport const i18nJs=${JSON.stringify(i18nJs)};\nexport const tasksJs=${JSON.stringify(tasksJs)};\nexport const i18nRenderersJs=${JSON.stringify(i18nRenderersJs)};\nexport const manifest=${JSON.stringify(manifest)};\nexport const serviceWorker=${JSON.stringify(serviceWorker)};\nexport const icon=${JSON.stringify(icon)};\n`);
+const indexHtml = withoutLegacyI18n.replace('src="addons.js"', `src="addons.js?v=${release}"`).replace('src="tasks.js"', `src="tasks.js?v=${release}"`).replace('src="calendar.js"', `src="calendar.js?v=${release}"`);
+await writeFile(new URL("assets.js", server), `export const indexHtml=${JSON.stringify(indexHtml)};\nexport const addonsJs=${JSON.stringify(addonsJs)};\nexport const bootGuardJs=${JSON.stringify(bootGuardJs)};\nexport const i18nJs=${JSON.stringify(i18nJs)};\nexport const tasksJs=${JSON.stringify(tasksJs)};\nexport const calendarJs=${JSON.stringify(calendarJs)};\nexport const i18nRenderersJs=${JSON.stringify(i18nRenderersJs)};\nexport const manifest=${JSON.stringify(manifest)};\nexport const serviceWorker=${JSON.stringify(serviceWorker)};\nexport const icon=${JSON.stringify(icon)};\n`);
 await copyFile(new URL("../worker/index.js", import.meta.url), new URL("index.js", server));
 await copyFile(new URL("../.openai/hosting.json", import.meta.url), new URL("hosting.json", meta));
 console.log("Built Life OS Worker artifact");
diff --git a/worker/index.js b/worker/index.js
index fea37ad..30b5f0b 100644
--- a/worker/index.js
+++ b/worker/index.js
@@ -1,4 +1,4 @@
-import { addonsJs, bootGuardJs, i18nJs, tasksJs, i18nRenderersJs, indexHtml, manifest, serviceWorker, icon } from "./assets.js";
+import { addonsJs, bootGuardJs, i18nJs, tasksJs, calendarJs, i18nRenderersJs, indexHtml, manifest, serviceWorker, icon } from "./assets.js";
 
 const BING_ARCHIVE = "https://www.bing.com/HPImageArchive.aspx?format=js&idx=0&n=1&mkt=en-US";
 const STATE_FIELDS = ["profile", "memories", "museum", "settings", "system"];
@@ -68,6 +68,7 @@ export default {
     if (url.pathname === "/boot-guard.js") return new Response(bootGuardJs, { headers: headers("application/javascript; charset=utf-8", "no-cache") });
     if (url.pathname === "/i18n.js") return new Response(i18nJs, { headers: headers("application/javascript; charset=utf-8", "no-cache") });
     if (url.pathname === "/tasks.js") return new Response(tasksJs, { headers: headers("application/javascript; charset=utf-8", "no-cache") });
+    if (url.pathname === "/calendar.js") return new Response(calendarJs, { headers: headers("application/javascript; charset=utf-8", "no-cache") });
     if (url.pathname === "/i18n-renderers.js") return new Response(i18nRenderersJs, { headers: headers("application/javascript; charset=utf-8", "no-cache") });
     if (url.pathname === "/" || url.pathname === "/index.html") {
       if (!id) return new Response(loginPage(), { headers: headers("text/html; charset=utf-8", "no-cache") });