feat: 호스트 선택 시에만 버튼 활성화 설정

Author: Yejiin21

src/features/event-manage/event-create/ui/EventFunnel.tsx

@@ -21,7 +21,6 @@ const EventFunnel = ({ onNext, onPrev, Funnel, Step, currentStep }: EventFunnelI
     if (currentStep === 7) {
       createEvent(formState, {
         onSuccess: () => {
-          console.log('API 호출 성공');
           navigate('/');
         },
         onError: error => {
@@ -40,6 +39,7 @@ const EventFunnel = ({ onNext, onPrev, Funnel, Step, currentStep }: EventFunnelI
           title="이벤트를 호스팅할 채널을 선택해주세요"
           onNext={() => handleNext(String(currentStep + 2))}
           onPrev={() => navigate(-1)}
+          requireValidation={true}
         >
           <HostSelectionPage onNext={handleNext} currentStep={currentStep} />
         </EventRegisterLayout>

src/pages/event-manage/ui/HostSelectionPage.tsx

@@ -1,13 +1,14 @@
-import { useState } from 'react';
+import { useEffect, useState } from 'react';
 import AddButton from '../../../../public/assets/event-manage/creation/AddBtn.svg';
 import { useFunnelState } from '../../../features/event-manage/event-create/model/FunnelContext';
 
 interface HostSelectionPageProps {
   onNext: (nextStep: string) => void;
   currentStep: number;
+  onValidationChange?: (isValid: boolean) => void;
 }
 
-const HostSelectionPage = ({ onNext, currentStep }: HostSelectionPageProps) => {
+const HostSelectionPage = ({ onNext, currentStep, onValidationChange }: HostSelectionPageProps) => {
   const { setFormState } = useFunnelState();
   const [selected, setSelected] = useState<number | null>(null);
 
@@ -37,6 +38,10 @@ const HostSelectionPage = ({ onNext, currentStep }: HostSelectionPageProps) => {
     }));
   };
 
+  useEffect(() => {
+    onValidationChange?.(selected !== null);
+  }, [selected, onValidationChange]);
+
   return (
     <div className="flex flex-col w-full px-2">
       <div