messages implemented

app/Models/ArtworkFavourite.php

@@ -0,0 +1,48 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+/**
+ * Represents a user's "favourite" bookmark on an artwork.
+ *
+ * @property int         $id
+ * @property int         $user_id
+ * @property int         $artwork_id
+ * @property int|null    $legacy_id   Original favourite_id from the old site
+ * @property \Carbon\Carbon $created_at
+ * @property \Carbon\Carbon $updated_at
+ *
+ * @property-read User    $user
+ * @property-read Artwork $artwork
+ */
+class ArtworkFavourite extends Model
+{
+    protected $table = 'artwork_favourites';
+
+    protected $fillable = [
+        'user_id',
+        'artwork_id',
+        'legacy_id',
+    ];
+
+    protected $casts = [
+        'user_id'    => 'integer',
+        'artwork_id' => 'integer',
+        'legacy_id'  => 'integer',
+    ];
+
+    // ── Relations ──────────────────────────────────────────────────────────
+
+    public function user(): BelongsTo
+    {
+        return $this->belongsTo(User::class);
+    }
+
+    public function artwork(): BelongsTo
+    {
+        return $this->belongsTo(Artwork::class);
+    }
+}