feat: 세션 중, 끝났을 때 목표 표시

src/app/page.tsx

@@ -49,7 +49,7 @@ export default function HomePage() {
       params.set("mode", mode);
 
       if (goal && goal.trim().length > 0) {
-        localStorage.setItem("goal", goal.trim());
+        localStorage.setItem("hushroom:session-goal", goal.trim());
       }
 
       router.push(`/session?${params.toString()}`);
@@ -197,7 +197,7 @@ function SessionGoalDialog({
             value={goal}
             onChange={(e) => setGoal(e.target.value)}
             placeholder="목표를 입력하세요"
-            className="text-lg border-[#2F6FED] focus-visible:ring-[#2F6FED] focus-visible:ring-1"
+            className="text-lg"
             autoFocus
           />
           <div className="text-xs text-slate-500">
@@ -209,11 +209,7 @@ function SessionGoalDialog({
           <Button variant="ghost" onClick={() => onOpenChange(false)}>
             취소
           </Button>
-          <Button
-            onClick={onStart}
-            className="rounded-xl bg-[#2F6FED]"
-            disabled={!mode}
-          >
+          <Button onClick={onStart} className="rounded-xl" disabled={!mode}>
             시작하기
           </Button>
         </DialogFooter>