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/Models/Concerns/BumpsContentVersion.php

@@ -0,0 +1,29 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Models\Concerns;
+
+use App\Support\ContentVersion;
+use Illuminate\Database\Eloquent\Model;
+
+/**
+ * Moves the content version on when something a visitor can see changes.
+ *
+ * Applied to the models the public API serves, so the frontend's cache can
+ * expire the moment the site really changed rather than when a timer says so.
+ */
+trait BumpsContentVersion
+{
+    public static function bootBumpsContentVersion(): void
+    {
+        $bump = function (Model $model): void {
+            if (ContentVersion::shouldBumpFor($model)) {
+                ContentVersion::bump();
+            }
+        };
+
+        static::saved($bump);
+        static::deleted($bump);
+    }
+}