Perbaikan modul data karyawan dan staff + modul SOP import

app/Models/QuestionBank.php

@@ -12,7 +12,7 @@ class QuestionBank extends Model
     protected $fillable = [
         // Atribut Soal dari desain Anda
         'old_id', 
-        'subject', 
+        'subject_id',
         'question_type', 
         'question_level', 
         'passing_grade', 
@@ -36,6 +36,11 @@ class QuestionBank extends Model
         'correct_answer' => 'array', // Otomatis ubah JSON di database jadi Array di PHP
     ];
 
+    public function subject()
+    {
+        return $this->belongsTo(Subject::class, 'subject_id');
+    }
+
     /*
     |--------------------------------------------------------------------------
     | RELASI DATABASE (Diperlukan agar Filter Dropdown & Tabel berfungsi)