first

app/Models/TranscriptVersion.php

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+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class TranscriptVersion extends Model
+{
+    public $timestamps = false;
+
+    protected $fillable = [
+        'project_id',
+        'edited_by',
+        'version_number',
+        'old_text',
+        'new_text',
+        'change_summary',
+        'created_at',
+    ];
+
+    protected function casts(): array
+    {
+        return ['created_at' => 'datetime'];
+    }
+
+    public function project(): BelongsTo
+    {
+        return $this->belongsTo(TranscriptionProject::class, 'project_id');
+    }
+
+    public function editor(): BelongsTo
+    {
+        return $this->belongsTo(User::class, 'edited_by');
+    }
+}