重构：将 "lobster" 重命名为 "claw" 并添加国际化支持 (i18n)

components/dashboard/activity-timeline.tsx

@@ -1,6 +1,7 @@
 "use client";
 
 import { useEffect, useState } from "react";
+import { useTranslations } from "next-intl";
 import {
   AreaChart,
   Area,
@@ -17,6 +18,7 @@ interface HourlyData {
 }
 
 export function ActivityTimeline() {
+  const t = useTranslations("activityTimeline");
   const [data, setData] = useState<HourlyData[]>([]);
 
   useEffect(() => {
@@ -40,7 +42,7 @@ export function ActivityTimeline() {
   return (
     <Card className="border-white/5">
       <CardHeader className="pb-2">
-        <CardTitle>24h Activity</CardTitle>
+        <CardTitle>{t("title")}</CardTitle>
       </CardHeader>
       <CardContent>
         <div className="h-[160px] w-full">