feat(notifications): add configurable browser reminders

public/locales/en.json

@@ -198,6 +198,23 @@
     "saved": "PROFILE SAVED",
     "average": "AVERAGE ENERGY {value} / 5"
   },
+  "notifications": {
+    "title": "NOTIFICATIONS",
+    "allow": "Allow system notifications",
+    "openOnly": "Reminders run while Life OS is open. Browsers may delay them when a tab sleeps; they cannot arrive after the site is closed.",
+    "time": "{name} time",
+    "sendTest": "Send a test notification",
+    "status": {
+      "default": "Permission has not been requested. Choose Allow to enable delivery.",
+      "granted": "System notifications are allowed on this device.",
+      "denied": "Notifications are blocked. Change this site's permission in your browser settings.",
+      "unsupported": "System notifications are unavailable in this browser or context."
+    },
+    "memory": { "label": "Today's memory", "description": "Remind me if I have not recorded a memory today.", "title": "A moment to remember", "body": "You have not written today's memory yet." },
+    "tasks": { "label": "Today's tasks", "description": "Show the number of unfinished tasks due today or earlier.", "title": "Today's tasks", "body": "{count} unfinished tasks are due today or earlier." },
+    "goals": { "label": "Goal countdown", "description": "Show the nearest active goal with a target date.", "title": "Goal countdown", "days": "{name}: {count} days left.", "today": "{name}: target date is today.", "overdue": "{name}: {count} days past the target date." },
+    "test": { "title": "Life OS notifications are ready", "body": "Your browser can show reminders from Life OS.", "failed": "Could not show the test notification." }
+  },
   "system": {
     "eyebrow": "SYSTEM SETTINGS",
     "title": "System, local and yours.",

public/locales/zh-CN.json

@@ -198,6 +198,23 @@
     "saved": "资料已保存",
     "average": "平均能量 {value} / 5"
   },
+  "notifications": {
+    "title": "系统通知",
+    "allow": "允许系统通知",
+    "openOnly": "Life OS 打开时才会检查提醒。浏览器休眠可能导致延迟；关闭网站后无法准时发送。",
+    "time": "{name}通知时间",
+    "sendTest": "发送测试通知",
+    "status": {
+      "default": "尚未请求通知权限，点击允许后才可发送。",
+      "granted": "此设备已允许系统通知。",
+      "denied": "通知已被阻止，请在浏览器的站点权限中开启。",
+      "unsupported": "当前浏览器或访问环境不支持系统通知。"
+    },
+    "memory": { "label": "今日记忆", "description": "今天还没有记忆时提醒我编写。", "title": "记录今天的片刻", "body": "今天还没有写下记忆。" },
+    "tasks": { "label": "本日待办", "description": "显示今天及此前到期但尚未完成的待办数量。", "title": "本日待办", "body": "有 {count} 项到期或逾期的待办尚未完成。" },
+    "goals": { "label": "目标倒计时", "description": "显示最近一个有目标日期的进行中目标。", "title": "目标倒计时", "days": "{name}：还有 {count} 天。", "today": "{name}：目标日期就是今天。", "overdue": "{name}：已超过目标日期 {count} 天。" },
+    "test": { "title": "Life OS 通知已就绪", "body": "浏览器可以显示来自 Life OS 的提醒。", "failed": "测试通知发送失败。" }
+  },
   "system": {
     "eyebrow": "系统设置",
     "title": "你的个人系统。",