feat(tasks): add goals and task management app

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', system: 'SYSTEM' },
+    app: { today: 'TODAY', timeline: 'TIMELINE', museum: 'MUSEUM', insights: 'INSIGHTS', profile: 'PROFILE', tasks: 'TASKS', 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' },
@@ -12,10 +12,11 @@
     system: { eyebrow: 'SYSTEM SETTINGS', title: 'System, local and yours.', appearance: 'APPEARANCE', language: 'LANGUAGE', browserLanguage: 'BROWSER LANGUAGE', detectedZh: 'Detected: Chinese', detectedEn: 'Detected: English', auto: 'AUTO', data: 'DATA', storage: 'STORAGE', dataStorage: 'DATA STORAGE', export: 'EXPORT DATA', import: 'IMPORT DATA', reset: 'RESET LIFE OS', local: 'Local Storage', stored: 'Your data is stored locally in this browser.', backups: 'Create regular backups to prevent data loss.', lastBackup: 'LAST BACKUP · {value}', recommended: 'BACKUP RECOMMENDED', version: 'VERSION', theme: { dark: 'DARK', light: 'LIGHT', auto: 'AUTO' } },
     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' }
+    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' },
+    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', 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', 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' },
@@ -26,7 +27,8 @@
     system: { eyebrow: '系统设置', title: '你的个人系统。', appearance: '外观', language: '语言', browserLanguage: '浏览器语言', detectedZh: '当前识别：中文', detectedEn: '当前识别：英语', auto: '跟随浏览器', data: '数据', storage: '存储', dataStorage: '数据存储', export: '导出数据', import: '导入数据', reset: '重置 Life OS', local: '本地存储', stored: '你的数据仅存储在此浏览器中。', backups: '定期备份，让记忆一直在。', lastBackup: '上次备份 · {value}', recommended: '建议备份', version: '版本', theme: { dark: '深色', light: '浅色', auto: '跟随系统' } },
     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' }
+    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' },
+    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);
   function currentLocale() { return typeof window.lang === 'function' ? window.lang() : 'en'; }