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/ImageAttachment.php

@@ -0,0 +1,72 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Models;
+
+use App\Models\Concerns\BumpsContentVersion;
+use App\Models\Concerns\HasImages;
+use Database\Factories\ImageAttachmentFactory;
+use Illuminate\Database\Eloquent\Attributes\Fillable;
+use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\MorphTo;
+use Spatie\Translatable\HasTranslations;
+
+/**
+ * One image in a record's gallery.
+ *
+ * Carries what a gallery needs and a single cover never did: an order, a
+ * description, and a caption — which is a different thing from a description.
+ * The alt text is for whoever cannot see the image; the caption is shown to
+ * everybody, and is where "before" and "after" belong.
+ */
+#[Fillable(['collection', 'path', 'alt', 'caption', 'position'])]
+class ImageAttachment extends Model
+{
+    /** @use HasFactory<ImageAttachmentFactory> */
+    use BumpsContentVersion, HasFactory, HasImages, HasTranslations;
+
+    /** @var array<int, string> */
+    public array $translatable = ['alt', 'caption'];
+
+    protected function casts(): array
+    {
+        return ['position' => 'integer'];
+    }
+
+    /**
+     * @return array<int, string>
+     */
+    public function imageAttributes(): array
+    {
+        return ['path'];
+    }
+
+    /**
+     * @return MorphTo<Model, $this>
+     */
+    public function attachable(): MorphTo
+    {
+        return $this->morphTo();
+    }
+
+    /**
+     * @return BelongsTo<Media, $this>
+     */
+    public function media(): BelongsTo
+    {
+        return $this->imageRelation('path');
+    }
+
+    /**
+     * @param  Builder<$this>  $query
+     * @return Builder<$this>
+     */
+    public function scopeOrdered(Builder $query): Builder
+    {
+        return $query->orderBy('position')->orderBy('id');
+    }
+}