fix school year for all tables

app/Models/LateSlipLogModel.php

@@ -3,9 +3,12 @@
 namespace App\Models;
 
 use CodeIgniter\Model;
+use App\Models\Concerns\SchoolYearAutoFillTrait;
 
 class LateSlipLogModel extends Model
 {
+    use SchoolYearAutoFillTrait;
+
     protected $table = 'late_slip_logs';
     protected $primaryKey = 'id';
     protected $useTimestamps = false; // we control printed_at explicitly
@@ -22,6 +25,10 @@ class LateSlipLogModel extends Model
         'printed_by',
         'printed_at',
     ];
+    protected $validationRules = [
+        'school_year' => 'required|string|max_length[9]',
+    ];
+
 
     /**
      * Best-effort insert of a single late slip print log.