feat: simplify dashboard usage stats

frontend/src/main.tsx

@@ -15,7 +15,6 @@ import {
   ChevronDown,
   Clock,
   Coins,
-  Flame,
   Github,
   Gauge,
   LogIn,
@@ -27,7 +26,6 @@ import {
   Sun,
   Trash2,
   TrendingUp,
-  Timer,
   Zap,
   Wifi,
   WifiOff,
@@ -753,20 +751,6 @@ function AccountDashboardDetails({
           label="本周期单日峰值"
           v={num(dashboard.summary.peakDailyTokens)}
         />
-        <Stat
-          icon={<Flame />}
-          label="连续使用"
-          v={
-            dashboard.summary.currentStreakDays == null
-              ? "暂无"
-              : dashboard.summary.currentStreakDays + " 天"
-          }
-        />
-        <Stat
-          icon={<Timer />}
-          label="最长任务时长"
-          v={duration(dashboard.summary.longestRunningTurnSec)}
-        />
       </div>
       <Suspense fallback={<SettingsLoading />}>
         <UsageChart data={dashboard.usage} accountId={dashboard.accountId} />
@@ -1660,14 +1644,6 @@ const num = (v?: number | null) =>
         notation: "compact",
         maximumFractionDigits: 1,
       }).format(v);
-const duration = (v?: number | null) =>
-  v == null
-    ? "暂无"
-    : v < 60
-      ? `${v} 秒`
-      : v < 3600
-        ? `${Math.floor(v / 60)} 分 ${v % 60} 秒`
-        : `${(v / 3600).toFixed(1)} 小时`;
 const cycleTimestamp = (value: number) =>
   new Date(value * 1000).toLocaleString();
 const cycleDuration = (minutes: number) =>