update api register

app/Models/VoucherAgent.php

@@ -0,0 +1,33 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class VoucherAgent extends Model
+{
+    protected $guarded = ['id'];
+
+    protected function casts(): array
+    {
+        return [
+            'discount_percent' => 'decimal:2', 'commission_percent' => 'decimal:2',
+            'credit_limit' => 'decimal:2', 'outstanding_balance' => 'decimal:2',
+        ];
+    }
+
+    public function tenant()
+    {
+        return $this->belongsTo(Tenant::class);
+    }
+
+    public function user()
+    {
+        return $this->belongsTo(User::class);
+    }
+
+    public function sales()
+    {
+        return $this->hasMany(VoucherSale::class);
+    }
+}