chore: commit remaining workspace changes

app/Models/AcademyLessonRevision.php

@@ -0,0 +1,32 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class AcademyLessonRevision extends Model
+{
+    protected $fillable = [
+        'lesson_id',
+        'user_id',
+        'change_note',
+        'snapshot_json',
+    ];
+
+    protected $casts = [
+        'snapshot_json' => 'array',
+    ];
+
+    public function lesson(): BelongsTo
+    {
+        return $this->belongsTo(AcademyLesson::class, 'lesson_id');
+    }
+
+    public function user(): BelongsTo
+    {
+        return $this->belongsTo(User::class, 'user_id');
+    }
+}