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>

database/migrations/2026_08_15_120000_create_revisions_table.php

@@ -0,0 +1,54 @@
+<?php
+
+declare(strict_types=1);
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+/**
+ * Who changed what, and what it said before.
+ *
+ * Several people edit the same translated JSON with no record of any of it.
+ * The gap that matters most is publishing: `pages.publish` exists as a
+ * separate permission precisely because putting something on the public site
+ * is a bigger act than writing it — and until now nothing recorded who did it.
+ */
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::create('revisions', function (Blueprint $table) {
+            $table->id();
+
+            $table->morphs('revisionable');
+
+            // Null for something done by the scheduler or a command: honest
+            // about it rather than blaming the last person who logged in.
+            $table->foreignId('user_id')->nullable()->constrained()->nullOnDelete();
+            $table->string('user_name')->nullable();
+
+            $table->string('event', 20);
+
+            /*
+             * Only what changed, old and new. Storing whole records would make
+             * this table larger than the content it describes.
+             *
+             * Not called `changes`: Eloquent declares a `$changes` property of
+             * its own for dirty tracking, and a column of that name is shadowed
+             * by it — `$revision->changes` would silently return the ORM's
+             * array instead of this column.
+             */
+            $table->jsonb('changeset')->nullable();
+
+            $table->timestamp('created_at')->nullable();
+
+            $table->index(['revisionable_type', 'revisionable_id', 'created_at'], 'revisions_record_index');
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('revisions');
+    }
+};