feat(insights): add factual weekly and monthly reports

public/locales/zh-CN.json

@@ -92,14 +92,31 @@
     "collection": "收藏"
   },
   "insights": {
-    "eyebrow": "最近 30 天",
-    "title": "安静地看见时间。",
-    "weather": "天气",
-    "average": "平均能量",
-    "active": "最活跃日",
-    "current": "当前连续记录",
-    "longest": "最长连续记录：{count} 天",
-    "noEntries": "暂无记录"
+    "eyebrow": "周期回顾",
+    "title": "洞察",
+    "description": "回顾已记录和已完成的事实。",
+    "period": "报告周期",
+    "week": "周报",
+    "month": "月报",
+    "previous": "上一期",
+    "next": "下一期",
+    "records": "记录频率",
+    "recordedDays": "{count} 条记忆 · 已过天数的 {percent}%",
+    "tasks": "任务完成",
+    "completedTasks": "本期标记完成的任务",
+    "taskDetails": "新建任务 {created} · 完成目标 {goals}",
+    "weather": "常见天气",
+    "noWeather": "本期暂无天气记录",
+    "energy": "记录时的能量",
+    "energyFromTo": "首条 {first}/5 → 末条 {last}/5",
+    "singleEnergy": "本期只有一条能量记录",
+    "noEnergy": "本期暂无能量记录",
+    "highlights": "值得回看的片段",
+    "highlightSource": "来自本期收藏或标记 #高光、#highlight 的记忆。",
+    "highlightFavorite": "已收藏",
+    "highlightTag": "已标记",
+    "highlightEmpty": "本期暂无收藏或高光标签记忆。",
+    "note": "只统计已保存的记录；未记录的日期不推断天气或能量。"
   },
   "profile": {
     "eyebrow": "系统档案",