fix(i18n): guard language renders without global binding

package.json

@@ -1,6 +1,6 @@
 {
   "name": "life-os",
-  "version": "1.5.5",
+  "version": "1.5.6",
   "private": true,
   "type": "module",
   "scripts": {

public/addons.js

@@ -3,7 +3,7 @@
   const DRAFT_KEY = 'lifeos_today_draft_v1';
   const localDay = () => { const d = new Date(); return `${d.getFullYear()}-${String(d.getMonth()+1).padStart(2,'0')}-${String(d.getDate()).padStart(2,'0')}`; };
   const escapeHtml = value => String(value || '').replace(/[&<>]/g, char => ({ '&': '&amp;', '<': '&lt;', '>': '&gt;', '"': '&quot;', "'": '&#39;' }[char]));
-  const APP_VERSION = '1.5.5';
+  const APP_VERSION = '1.5.6';
   window.LifeOSVersion = APP_VERSION;
   const appIds = ['today', 'timeline', 'museum', 'insights', 'profile', 'tasks', 'calendar', 'system'];
   const t = (key, values) => LifeI18n.t(key, values);
@@ -104,7 +104,7 @@
     applyingCloud = true;
     Object.entries(CLOUD_KEYS).forEach(([field, key]) => localStorage.setItem(key, JSON.stringify(state[field] ?? cloudFallback[field])));
     applyingCloud = false;
-    todayDraft = null; renderIcons(); renderAll(); applyLanguage();
+    todayDraft = null; renderIcons(); renderAll(); window.applyLanguage?.();
     return mergedLocalBoard || systemNeedsMigration;
   }
   async function uploadCloudState() {

public/i18n-renderers.js

@@ -73,7 +73,7 @@
   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(), preference = LifeI18n.preference(), 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 ${preference === 'auto' ? 'selected' : ''}" onclick="window.setLanguage('auto')">${t('system.auto')}</button><button class="chip ${preference === 'en' ? 'selected' : ''}" onclick="window.setLanguage('en')">${t('system.languageEnglish')}</button><button class="chip ${preference === 'zh' ? 'selected' : ''}" onclick="window.setLanguage('zh')">${t('system.languageChinese')}</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>${t('system.storageSummary',{memories:LifeI18n.number(mems().length),museum:LifeI18n.number(museum().length),tasks:LifeI18n.number(sys().tasksBoard?.tasks?.length||0),size:LifeI18n.number(Math.ceil(bytes/1024))})}</p></section><section><div class="eyebrow">${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>${t('system.release',{version:window.LifeOSVersion||'1.5.5'})}</p></section></div>`;
+    container.innerHTML = `<div class="eyebrow">${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 ${preference === 'auto' ? 'selected' : ''}" onclick="window.setLanguage('auto')">${t('system.auto')}</button><button class="chip ${preference === 'en' ? 'selected' : ''}" onclick="window.setLanguage('en')">${t('system.languageEnglish')}</button><button class="chip ${preference === 'zh' ? 'selected' : ''}" onclick="window.setLanguage('zh')">${t('system.languageChinese')}</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>${t('system.storageSummary',{memories:LifeI18n.number(mems().length),museum:LifeI18n.number(museum().length),tasks:LifeI18n.number(sys().tasksBoard?.tasks?.length||0),size:LifeI18n.number(Math.ceil(bytes/1024))})}</p></section><section><div class="eyebrow">${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>${t('system.release',{version:window.LifeOSVersion||'1.5.6'})}</p></section></div>`;
   };
   window.importPreview = () => { const data = importData, board = data.system?.tasksBoard || {}; rootModal().innerHTML = `<div class="modal"><div class="modalbox"><div class="eyebrow">${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})}<br>${t('dialog.goals',{count:board.goals?.length || 0})}<br>${t('dialog.tasks',{count:board.tasks?.length || 0})}</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>`; };