Hide draft articles from the front page and mark drafts when viewed directly

Add an Article::published() scope and use it on the front page (which
previously showed drafts), the /blog listing and the feeds. Draft
articles are still reachable at their URL, but now show a draft notice,
a "[Draft]" title prefix and a noindex robots meta tag.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

app/Http/Controllers/ArticlesController.php

@@ -17,7 +17,7 @@ class ArticlesController extends Controller
      */
     public function index(?int $year = null, ?int $month = null): View
     {
-        $articles = Article::where('published', '1')
+        $articles = Article::published()
             ->date($year, $month)
             ->orderBy('updated_at', 'desc')
             ->simplePaginate(5);

app/Http/Controllers/FeedsController.php

@@ -15,7 +15,7 @@ class FeedsController extends Controller
      */
     public function blogJson(): JsonResponse
     {
-        $articles = Article::where('published', '1')->latest('updated_at')->take(20)->get();
+        $articles = Article::published()->latest('updated_at')->take(20)->get();
         $data = [
             'version' => 'https://jsonfeed.org/version/1.1',
             'title' => 'The JSON Feed for '.config('user.display_name').'’s blog',
@@ -89,7 +89,7 @@ class FeedsController extends Controller
      */
     public function blogJf2(): JsonResponse
     {
-        $articles = Article::where('published', '1')->latest('updated_at')->take(20)->get();
+        $articles = Article::published()->latest('updated_at')->take(20)->get();
         $items = [];
         foreach ($articles as $article) {
             $items[] = [

app/Http/Controllers/FrontPageController.php

@@ -26,7 +26,7 @@ class FrontPageController extends Controller
             ->withCount(['webmentions AS reposts' => function ($query) {
                 $query->where('type', 'repost-of');
             }])->get();
-        $articles = Article::latest()->get();
+        $articles = Article::published()->latest()->get();
         $bookmarks = Bookmark::latest()->with('tags')->get();
         $likes = Like::latest()->get();