feat(ui): add /me/media parent shell with sub nav

Made-with: Cursor

app/pages/me/media.vue

@@ -0,0 +1,50 @@
+<script setup lang="ts">
+definePageMeta({ title: '媒体' })
+
+const route = useRoute()
+
+function tabActive(to: string): boolean {
+  const p = route.path
+  if (to === '/me/media') {
+    return p === '/me/media' || p === '/me/media/'
+  }
+  if (to === '/me/media/orphans') {
+    return p === '/me/media/orphans' || p.startsWith('/me/media/orphans/')
+  }
+  return false
+}
+</script>
+
+<template>
+  <UContainer class="py-8 space-y-6">
+    <div>
+      <h1 class="text-2xl font-semibold">
+        媒体
+      </h1>
+      <p class="text-sm text-muted mt-1">
+        在此上传图片并复制链接，用于文章与资料。未被引用的文件清理请切换到「孤儿清理」。
+      </p>
+    </div>
+
+    <div class="flex flex-wrap gap-2">
+      <UButton
+        to="/me/media"
+        size="sm"
+        :variant="tabActive('/me/media') ? 'solid' : 'ghost'"
+        :color="tabActive('/me/media') ? 'primary' : 'neutral'"
+      >
+        资源库
+      </UButton>
+      <UButton
+        to="/me/media/orphans"
+        size="sm"
+        :variant="tabActive('/me/media/orphans') ? 'solid' : 'ghost'"
+        :color="tabActive('/me/media/orphans') ? 'primary' : 'neutral'"
+      >
+        孤儿清理
+      </UButton>
+    </div>
+
+    <NuxtPage />
+  </UContainer>
+</template>