login update

app/Http/Controllers/RSS/BlogFeedController.php

@@ -0,0 +1,40 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Http\Controllers\RSS;
+
+use App\Http\Controllers\Controller;
+use App\Models\BlogPost;
+use App\Services\RSS\RSSFeedBuilder;
+use Illuminate\Http\Response;
+use Illuminate\Support\Facades\Cache;
+
+/**
+ * BlogFeedController
+ *
+ * GET /rss/blog → latest blog posts feed (spec §3.6)
+ */
+final class BlogFeedController extends Controller
+{
+    public function __construct(private readonly RSSFeedBuilder $builder) {}
+
+    public function __invoke(): Response
+    {
+        $feedUrl = url('/rss/blog');
+        $posts   = Cache::remember('rss:blog', 600, fn () =>
+            BlogPost::published()
+                ->with('author:id,username')
+                ->latest('published_at')
+                ->limit(RSSFeedBuilder::FEED_LIMIT)
+                ->get()
+        );
+
+        return $this->builder->buildFromBlogPosts(
+            'Blog',
+            'Latest posts from the Skinbase blog.',
+            $feedUrl,
+            $posts,
+        );
+    }
+}