fix_cow_detail_page

frontend/src/app/cow/page.tsx

@@ -597,7 +597,7 @@ function MyCowContent() {
 
   // handleCowClick - cowId 또는 pkCowNo로 상세 페이지 이동
   const handleCowClick = (cowNo: number | string) => {
-    router.push(`/cow/${cowNo}`)
+    router.push(`/cow/${cowNo}?from=list`)
   }
 
   // 무한 스크롤로 대체됨
@@ -717,7 +717,7 @@ function MyCowContent() {
         <SiteHeader />
         <div className="flex flex-1 flex-col h-screen overflow-hidden">
           <div className="@container/main flex flex-1 flex-col gap-1 overflow-hidden">
-            <div className="flex flex-col gap-2 sm:gap-2.5 md:gap-3 py-3 sm:py-3 md:py-4 flex-shrink-0">
+            <div className="cow_list_header flex flex-col gap-2 sm:gap-2.5 md:gap-3 py-3 sm:py-3 md:py-4 flex-shrink-0">
               {/* 헤더 */}
               <div className="px-3 sm:px-4 md:px-6 lg:px-8">
                 <div className="flex flex-col gap-2">