style: streamline /me page header to match admin dashboard style

Replace large gradient title with simple text-2xl font-bold heading,
matching the header pattern used across admin pages.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

packages/frontend/src/routes/me/+page.svelte

@@ -205,29 +205,19 @@
   <PeonyBackground />
   <div class="container mx-auto px-4 py-8">
     <!-- Header -->
-    <div class="mb-8">
-      <div class="flex items-center justify-between mb-8">
+    <div class="flex items-center justify-between mb-6">
       <div>
-          <h1
-            class="text-4xl md:text-5xl font-bold bg-gradient-to-r from-primary via-accent to-primary bg-clip-text text-transparent mb-3"
-          >
-            {$_("me.title")}
-          </h1>
-          <p class="text-lg text-muted-foreground">
-            {$_("me.welcome", {
-              values: { name: data.authStatus.user!.artist_name },
-            })}
+        <h1 class="text-2xl font-bold">{$_("me.title")}</h1>
+        <p class="text-sm text-muted-foreground mt-0.5">
+          {$_("me.welcome", { values: { name: data.authStatus.user!.artist_name } })}
         </p>
       </div>
       {#if isModel(data.authStatus.user!)}
-          <Button
-            href={`/models/${data.authStatus.user!.slug}`}
-            variant="outline"
-            class="border-primary/20 hover:bg-primary/10">{$_("me.view_profile")}</Button
-          >
+        <Button href={`/models/${data.authStatus.user!.slug}`} variant="outline">
+          {$_("me.view_profile")}
+        </Button>
       {/if}
     </div>
-    </div>
 
     <!-- Dashboard Tabs -->
     <Tabs bind:value={activeTab} class="w-full">