v1.4.3: 관리자 UI·홈·미디어 개선

- 관리자 라이트 테마 격리, 대시보드 활성 링크, 로그인 우측 정렬
- 대시보드 통계 추이 차트·툴팁, 홈 Latest/Featured 보정
- 미디어 종류·미사용 필터, 비디오 프레임 썸네일
- NAS 운영 업데이트 절차 문서 추가

layouts/admin.vue

@@ -39,6 +39,7 @@ const adminDisplayEmail = computed(() => adminMember.value?.email || '')
 const adminAvatarUrl = computed(() => adminMember.value?.avatarUrl || '')
 const adminAvatarInitial = computed(() => adminDisplayName.value.slice(0, 1).toUpperCase() || 'A')
 const adminProfilePath = computed(() => adminMember.value?.id ? `/admin/members/${adminMember.value.id}` : '/admin/members')
+const isAdminDashboardRoute = computed(() => route.path === '/admin')
 
 /**
  * 관리자 내비게이션 활성 경로 확인
@@ -131,7 +132,10 @@ const logoutAdmin = async () => {
 <template>
   <div
     class="admin-layout bg-[#f7f8fa] text-ink"
-    :class="(isPostEditorRoute || isAdminSettingsRoute) ? 'h-screen overflow-hidden bg-white' : 'min-h-screen'"
+    :class="[
+      (isPostEditorRoute || isAdminSettingsRoute) ? 'h-screen overflow-hidden bg-white' : 'min-h-screen',
+      { 'admin-layout--light-controls': !isPostEditorRoute }
+    ]"
   >
     <aside
       v-if="!isPostEditorRoute && !isAdminSettingsRoute"
@@ -144,16 +148,16 @@ const logoutAdmin = async () => {
         <span>sori.studio</span>
       </NuxtLink>
       <nav class="admin-layout__nav mt-10 grid gap-1.5 text-sm font-medium text-[#5d6673]">
-        <div
-          class="admin-layout__nav-link admin-layout__nav-link--disabled flex cursor-not-allowed items-center gap-3 rounded-md px-3 py-2 text-[#9aa3ad] select-none"
-          aria-disabled="true"
-          title="준비 중"
+        <NuxtLink
+          class="admin-layout__nav-link flex items-center gap-3 rounded-md px-3 py-2 transition-colors hover:bg-[#eceff2] hover:text-[#15171a]"
+          :class="isAdminDashboardRoute ? 'bg-[#e9ecef] text-[#15171a]' : ''"
+          to="/admin"
         >
           <svg class="admin-layout__nav-icon h-4 w-4 shrink-0 opacity-60" viewBox="0 0 24 24" aria-hidden="true">
             <path d="M22.272 23.247a.981.981 0 00.978-.978V9.747a1.181 1.181 0 00-.377-.8L12 .747l-10.873 8.2a1.181 1.181 0 00-.377.8v12.522a.981.981 0 00.978.978z" fill="none" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" stroke-width="1.5" />
           </svg>
           <span>대시보드</span>
-        </div>
+        </NuxtLink>
         <a
           class="admin-layout__nav-link admin-layout__nav-link--external flex items-center gap-3 rounded-md px-3 py-2 text-[#5d6673] transition-colors hover:bg-[#eceff2] hover:text-[#15171a]"
           :href="publicBlogBaseUrl"