fix school year for all tables

app/Models/ClassSectionModel.php

@@ -2,9 +2,12 @@
 namespace App\Models;
 
 use CodeIgniter\Model;
+use App\Models\Concerns\SchoolYearAutoFillTrait;
 
 class ClassSectionModel extends Model
 {
+    use SchoolYearAutoFillTrait;
+
     protected $table = 'classSection'; // Correct table name
     protected $primaryKey = 'id'; // Specify the primary key field
 
@@ -14,7 +17,12 @@ class ClassSectionModel extends Model
         'class_section_name',
         'created_at',
         'updated_at',
+        'school_year',
     ];
+    protected $validationRules = [
+        'school_year' => 'required|string|max_length[9]',
+    ];
+
 
     protected $useTimestamps = true;
     protected $createdField = 'created_at';