Fix API reliability and CORS config for hosted deployment

app/Models/ReservationFee.php

@@ -8,16 +8,28 @@ use Illuminate\Database\Eloquent\Factories\HasFactory;
 class ReservationFee extends Model
 {
     use HasFactory;
+    public $timestamps = false;
 
     protected $fillable = [
         'reservation_id',
         'pricing_rule_id',
         'price_per_person',
         'party_size',
+        'total_fee',
         'total_amount',
         'currency',
     ];
 
+    public function setTotalAmountAttribute($value): void
+    {
+        $this->attributes['total_fee'] = $value;
+    }
+
+    public function getTotalAmountAttribute()
+    {
+        return $this->attributes['total_fee'] ?? null;
+    }
+
     public function reservation()
     {
         return $this->belongsTo(Reservation::class);