improve launcher history and runtime config UX

src/pages/launcher/LauncherBuildPage.tsx

@@ -48,7 +48,7 @@ function jobTime(job: LauncherBuildJob) {
   return Number.isNaN(value) ? 0 : value;
 }
 
-const launcherBuildJobPageSize = 5;
+const launcherBuildJobPageSize = 3;
 type BuildTarget = 'launcher-client' | 'launcher-backend';
 type BuildRange = 'week' | 'month' | 'all';
 
@@ -387,7 +387,7 @@ export function LauncherBuildPage() {
               </div>
             }
           />
-          <div className="min-h-[638px] space-y-3 p-4">
+          <div className="min-h-[410px] space-y-3 p-4">
             {jobs.length === 0 ? (
               <div className="flex min-h-44 items-center justify-center text-center text-sm text-muted-foreground">
                 빌드 작업이 없습니다.