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/Support/Health/Checks/StaleRepositories.php

@@ -0,0 +1,43 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Support\Health\Checks;
+
+use App\Filament\Resources\Repositories\RepositoryResource;
+use App\Models\Repository;
+use App\Support\Health\Check;
+use App\Support\Health\Finding;
+
+/**
+ * Repositories whose sync keeps failing.
+ *
+ * Usually a repository that was renamed, made private or deleted. The public
+ * site keeps showing the last numbers it managed to fetch, which is worse than
+ * showing none: the whole reason for syncing is that live figures are trusted
+ * in a way hand-written ones are not.
+ */
+class StaleRepositories implements Check
+{
+    public function key(): string
+    {
+        return 'stale-repositories';
+    }
+
+    public function permission(): ?string
+    {
+        return 'repositories.view_any';
+    }
+
+    public function run(): Finding
+    {
+        $failing = Repository::query()->failing()->get(['id', 'full_name']);
+
+        return Finding::problem(
+            $this->key(),
+            $failing->count(),
+            url: RepositoryResource::getUrl('index'),
+            samples: $failing->pluck('full_name')->all(),
+        );
+    }
+}