Tag blog posts and sign them with a member

Tags are named in every language and made from the page form; the byline is
the member who signs a post on the site. The public API sends both, filters
posts by tag and lists the tags in use.

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

app/Http/Resources/PageResource.php

@@ -49,6 +49,8 @@ class PageResource extends JsonResource
 
             'category' => CategoryResource::make($this->whenLoaded('category')),
             'author' => UserResource::make($this->whenLoaded('author')),
+            'byline_member_id' => $this->byline_member_id,
+            'tag_ids' => $this->whenLoaded('tags', fn () => $this->tags->pluck('id')->values()),
 
             // Opt-in: `?with=translations` returns every language at once,
             // which is what a translation UI needs and a page renderer does not.

app/Http/Resources/PublicApi/PublicPageResource.php

@@ -5,6 +5,7 @@ declare(strict_types=1);
 namespace App\Http\Resources\PublicApi;
 
 use App\Models\Page;
+use App\Models\Tag;
 use App\Support\ImagePayload;
 use App\Support\SiteUrls;
 use App\Support\TranslatablePayload;
@@ -58,6 +59,29 @@ class PublicPageResource extends JsonResource
 
             'category' => PublicCategoryResource::make($this->whenLoaded('category')),
 
+            // Only the tags named in this language: one without a slug here
+            // has no listing to link to.
+            'tags' => $this->whenLoaded('tags', fn () => $this->tags
+                ->filter(fn (Tag $tag) => filled($tag->getTranslation('slug', $locale, false)))
+                ->map(fn (Tag $tag) => [
+                    'name' => $tag->getTranslation('name', $locale),
+                    'slug' => $tag->getTranslation('slug', $locale, false),
+                ])
+                ->values()),
+
+            // Who signs it — only someone with a public profile to link to.
+            'byline' => $this->whenLoaded('byline', fn () => $this->byline?->is_public ? [
+                'name' => $this->byline->name,
+                'slug' => $this->byline->slug,
+                'headline' => $this->byline->getTranslation('headline', $locale),
+                'avatar' => ImagePayload::make(
+                    $this->byline->avatar,
+                    $this->byline->relationLoaded('avatarMedia') ? $this->byline->getRelation('avatarMedia') : null,
+                    $this->byline->name,
+                ),
+                'path' => SiteUrls::path('member', $locale, $this->byline->slug),
+            ] : null),
+
             // Lets the frontend emit correct hreflang tags. Only locales that
             // actually have a translation appear.
             'alternates' => SiteUrls::alternates($this->resource, 'page'),