Initial commit: Pireon Admin — headless admin panel and public API

Laravel 13 + Filament 5 admin panel and REST API for a non-profit developer
collective, backed by the Pireon OAuth identity server. The public site is a
separate, server-rendered application consuming /api/public/v1.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

app/Filament/Support/PreviewAction.php

@@ -0,0 +1,45 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Filament\Support;
+
+use App\Support\PreviewLink;
+use Filament\Actions\Action;
+use Illuminate\Database\Eloquent\Model;
+
+/**
+ * A button that produces a shareable link to a draft.
+ *
+ * The shared preview secret still works, but using it meant pasting a token
+ * into a curl command. This is a link somebody can send: scoped to one record
+ * and one language, and dead a few hours later.
+ */
+final class PreviewAction
+{
+    public static function for(string $type): Action
+    {
+        return Action::make('preview')
+            ->label(__('panel.preview.label'))
+            ->icon('heroicon-o-eye')
+            ->color('gray')
+            ->modalHeading(__('panel.preview.heading'))
+            ->modalDescription(__('panel.preview.hint', ['hours' => PreviewLink::HOURS]))
+            ->modalSubmitAction(false)
+            // Nothing to preview without a public address to preview it at.
+            ->visible(fn (Model $record) => filled(array_filter(
+                array_map(
+                    fn (string $locale) => $record->getTranslation('slug', $locale, false),
+                    array_keys((array) config('locales.supported')),
+                ),
+            )))
+            ->modalContent(fn (Model $record) => view('filament.partials.preview-links', [
+                'links' => collect(config('locales.supported'))
+                    ->mapWithKeys(fn (array $meta, string $locale) => [
+                        ($meta['native'] ?? $locale) => PreviewLink::for($record, $type, $locale),
+                    ])
+                    ->filter()
+                    ->all(),
+            ]));
+    }
+}