- 링크결제 API 수정

- 지급대행 수정

src/entities/additional-service/ui/link-payment/apply/link-payment-step1.tsx

@@ -13,7 +13,7 @@ export const LinkPaymentStep1 = ({ formData, setFormData }: LinkPaymentStep1Prop
   const { navigate } = useNavigate();
 
   useSetOnBack(() => {
-    navigate(PATHS.additionalService.list);
+    navigate(PATHS.additionalService.linkPayment.shippingHistory);
   });
 
   const handlePaymentMethodChange = (method: LinkPaymentSendMethod) => {
@@ -24,8 +24,16 @@ export const LinkPaymentStep1 = ({ formData, setFormData }: LinkPaymentStep1Prop
     setFormData({ ...formData, [field]: value });
   };
 
+  const handleAmountChange = (value: string) => {
+    // 숫자만 추출
+    const onlyNumbers = value.replace(/[^0-9]/g, '');
+    // 빈 문자열이면 0, 아니면 숫자로 변환 (앞의 0 제거됨)
+    const numericValue = onlyNumbers === '' ? 0 : parseInt(onlyNumbers, 10);
+    setFormData({ ...formData, amount: numericValue });
+  };
+
   const handleDateChange = (date: string) => {
-    setFormData({ ...formData, paymentExpiryDate: date });
+    setFormData({ ...formData, paymentLimitDate: date });
   };
 
   return (
@@ -87,9 +95,11 @@ export const LinkPaymentStep1 = ({ formData, setFormData }: LinkPaymentStep1Prop
           <div className="issue-field">
             <input
               type="text"
-              placeholder=""
-              value={formData.amount}
-              onChange={(e) => handleInputChange('amount', e.target.value)}
+              placeholder="0"
+              value={formData.amount === 0 ? '' : formData.amount}
+              onChange={(e) => handleAmountChange(e.target.value)}
+              inputMode="numeric"
+              pattern="[0-9]*"
             />
           </div>
         </div>
@@ -111,9 +121,10 @@ export const LinkPaymentStep1 = ({ formData, setFormData }: LinkPaymentStep1Prop
           <div className="issue-field">
             <div className="link-apply-date">
               <SingleDatePicker
-                date={formData.paymentExpiryDate}
+                date={formData.paymentLimitDate}
                 setDate={handleDateChange}
                 placeholder="날짜 선택"
+                minDate={new Date()}
               />
               <span>까지</span>
             </div>