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>

resources/views/filament/partials/login-footer.blade.php

@@ -0,0 +1,30 @@
+{{-- Rendered under the sign-in form.
+
+     Two things belong here and nowhere else: whatever the identity server had
+     to say about a redirect that failed (those routes still exist), and the
+     language picker — the one place it is needed before there is a user whose
+     preference we could read. --}}
+
+@if (session('error'))
+    <div
+        role="alert"
+        class="mb-6 rounded-lg border border-danger-300 bg-danger-50 p-4 text-sm text-danger-700 dark:border-danger-700/50 dark:bg-danger-500/10 dark:text-danger-400"
+    >
+        {{ session('error') }}
+    </div>
+@endif
+
+<div class="flex items-center justify-center gap-3 border-t border-gray-200 pt-6 dark:border-white/10">
+    @foreach (config('locales.supported') as $code => $meta)
+        <a
+            href="{{ route('locale.switch', $code) }}"
+            @class([
+                'text-xs transition',
+                'font-semibold text-primary-600 dark:text-primary-400' => app()->getLocale() === $code,
+                'text-gray-500 hover:text-gray-700 dark:text-gray-400 dark:hover:text-gray-200' => app()->getLocale() !== $code,
+            ])
+        >
+            {{ $meta['flag'] }} {{ $meta['native'] }}
+        </a>
+    @endforeach
+</div>