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/Resources/Calls/Pages/ListCalls.php

@@ -0,0 +1,21 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Filament\Resources\Calls\Pages;
+
+use App\Filament\Resources\Calls\CallResource;
+use Filament\Actions\CreateAction;
+use Filament\Resources\Pages\ListRecords;
+
+class ListCalls extends ListRecords
+{
+    protected static string $resource = CallResource::class;
+
+    protected function getHeaderActions(): array
+    {
+        return [
+            CreateAction::make(),
+        ];
+    }
+}