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/TranslatableTabs.php

@@ -0,0 +1,58 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Filament\Support;
+
+use Closure;
+use Filament\Schemas\Components\Tabs;
+use Filament\Schemas\Components\Tabs\Tab;
+
+/**
+ * Renders one tab per supported locale for a model's translatable fields.
+ *
+ * This leans on how spatie/laravel-translatable already behaves rather than
+ * adding a translation layer of its own: `toArray()` hands Filament the full
+ * locale => value map, and assigning that map back through `setAttribute`
+ * writes each translation. So a field whose state path is "title.ca" hydrates
+ * and saves the Catalan translation with no extra wiring.
+ */
+final class TranslatableTabs
+{
+    /**
+     * @param  Closure(string $locale, bool $isDefault): array<int, mixed>  $fields
+     *                                                                               Receives the locale code and whether it is the primary one,
+     *                                                                               and returns the components for that tab.
+     */
+    public static function make(Closure $fields, ?string $label = null): Tabs
+    {
+        $default = (string) config('locales.default');
+
+        $tabs = [];
+
+        foreach (config('locales.supported') as $locale => $meta) {
+            $tabs[] = Tab::make($locale)
+                ->label(trim(($meta['flag'] ?? '').' '.($meta['native'] ?? $locale)))
+                // Marks the primary language, the one every other tab falls
+                // back to when left empty.
+                ->badge($locale === $default ? '★' : null)
+                ->schema($fields($locale, $locale === $default));
+        }
+
+        $tabs = Tabs::make($label ?? __('panel.pages.fields.translations'))
+            ->tabs($tabs)
+            ->columnSpanFull();
+
+        // Open the tab for the language the admin is currently working in.
+        return $tabs->persistTabInQueryString('locale_tab');
+    }
+
+    /**
+     * Suffix for a field label inside a locale tab, e.g. "Título (Català)".
+     * Useful when a field sits outside the tabs but still targets one locale.
+     */
+    public static function suffix(string $locale): string
+    {
+        return (string) (config("locales.supported.{$locale}.native") ?? $locale);
+    }
+}