크레딧 충전 기능 및 UI 수정

index.css

@@ -9382,6 +9382,232 @@
   border: 1px solid rgba(255, 255, 255, 0.06);
 }
 
+.myinfo-credits-card {
+  background: rgba(255, 255, 255, 0.04);
+  border: 1px solid rgba(255, 255, 255, 0.08);
+  border-radius: 16px;
+  padding: 2rem;
+  display: flex;
+  flex-direction: column;
+  gap: 1rem;
+}
+
+.myinfo-credits-row {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+}
+
+.myinfo-credits-label {
+  color: rgba(255, 255, 255, 0.6);
+  font-size: 0.95rem;
+}
+
+
+.myinfo-credits-value {
+  color: #a6ffea;
+  font-size: 1.4rem;
+  font-weight: 700;
+  letter-spacing: 0.02em;
+}
+
+.myinfo-credits-desc {
+  color: rgba(255, 255, 255, 0.4);
+  font-size: 0.85rem;
+  margin: 0;
+  flex: 1;
+}
+
+.myinfo-credits-charge-btn {
+  padding: 0.75rem 1.25rem;
+  background: linear-gradient(135deg, #a6ffea 0%, #7ee8cf 100%);
+  border: none;
+  border-radius: 8px;
+  color: #002224;
+  font-size: 0.875rem;
+  font-weight: 600;
+  cursor: pointer;
+  white-space: nowrap;
+  transition: all 0.2s ease;
+}
+
+.myinfo-credits-charge-btn:hover {
+  transform: translateY(-1px);
+  box-shadow: 0 4px 12px rgba(166, 255, 234, 0.3);
+}
+
+.myinfo-popup-overlay {
+  position: fixed;
+  inset: 0;
+  background: rgba(0, 0, 0, 0.6);
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  z-index: 9999;
+}
+
+.myinfo-popup {
+  background: #132034;
+  border: 1px solid rgba(78, 205, 196, 0.3);
+  border-radius: 16px;
+  padding: 2rem;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  gap: 1.25rem;
+  width: 380px;
+  max-width: 90vw;
+  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
+}
+
+.myinfo-popup-title {
+  color: #fff;
+  font-size: 1.05rem;
+  font-weight: 700;
+  margin: 0 0 0.5rem;
+  align-self: flex-start;
+}
+
+.myinfo-popup-message {
+  color: #fff;
+  font-size: 1.1rem;
+  font-weight: 600;
+  text-align: center;
+  margin: 0;
+}
+
+.myinfo-popup-field {
+  display: flex;
+  flex-direction: column;
+  gap: 0.4rem;
+  width: 100%;
+}
+
+.myinfo-popup-label {
+  color: rgba(255, 255, 255, 0.6);
+  font-size: 0.85rem;
+}
+
+.myinfo-popup-counter {
+  display: flex;
+  align-items: center;
+  gap: 0;
+  border: 1px solid rgba(255, 255, 255, 0.12);
+  border-radius: 8px;
+  overflow: hidden;
+}
+
+.myinfo-popup-counter-btn {
+  background: rgba(255, 255, 255, 0.08);
+  border: none;
+  color: #fff;
+  font-size: 1.25rem;
+  width: 48px;
+  min-width: 48px;
+  height: 44px;
+  cursor: pointer;
+  transition: background 0.15s;
+  flex-shrink: 0;
+}
+
+.myinfo-popup-counter-btn:hover {
+  background: rgba(255, 255, 255, 0.15);
+}
+
+.myinfo-popup-input {
+  background: rgba(255, 255, 255, 0.06);
+  border: 1px solid rgba(255, 255, 255, 0.12);
+  border-radius: 8px;
+  color: #fff;
+  font-size: 0.95rem;
+  padding: 0.6rem 0.875rem;
+  outline: none;
+  width: 100%;
+  box-sizing: border-box;
+}
+
+.myinfo-popup-input--center {
+  border: none;
+  border-left: 1px solid rgba(255, 255, 255, 0.12);
+  border-right: 1px solid rgba(255, 255, 255, 0.12);
+  border-radius: 0;
+  text-align: center;
+  flex: 1;
+  height: 44px;
+  padding: 0;
+}
+
+.myinfo-popup-input--center::-webkit-inner-spin-button,
+.myinfo-popup-input--center::-webkit-outer-spin-button {
+  -webkit-appearance: none;
+}
+
+.myinfo-popup-input:focus {
+  border-color: rgba(78, 205, 196, 0.5);
+}
+
+.myinfo-popup-textarea {
+  background: rgba(255, 255, 255, 0.06);
+  border: 1px solid rgba(255, 255, 255, 0.12);
+  border-radius: 8px;
+  color: #fff;
+  font-size: 0.9rem;
+  padding: 0.6rem 0.875rem;
+  outline: none;
+  resize: none;
+  width: 100%;
+  box-sizing: border-box;
+  font-family: inherit;
+}
+
+.myinfo-popup-textarea:focus {
+  border-color: rgba(78, 205, 196, 0.5);
+}
+
+.myinfo-popup-actions {
+  display: flex;
+  gap: 0.75rem;
+  width: 100%;
+  justify-content: flex-end;
+  margin-top: 0.25rem;
+}
+
+.myinfo-popup-cancel {
+  background: rgba(255, 255, 255, 0.08);
+  color: rgba(255, 255, 255, 0.7);
+  border: 1px solid rgba(255, 255, 255, 0.12);
+  border-radius: 8px;
+  padding: 0.6rem 1.25rem;
+  font-size: 0.9rem;
+  cursor: pointer;
+  transition: background 0.2s;
+}
+
+.myinfo-popup-cancel:hover {
+  background: rgba(255, 255, 255, 0.13);
+}
+
+.myinfo-popup-close {
+  background: linear-gradient(135deg, #a6ffea 0%, #7ee8cf 100%);
+  color: #002224;
+  border: none;
+  border-radius: 8px;
+  padding: 0.6rem 1.5rem;
+  font-size: 0.9rem;
+  font-weight: 700;
+  cursor: pointer;
+  transition: opacity 0.2s;
+}
+
+.myinfo-popup-close:disabled {
+  opacity: 0.4;
+  cursor: not-allowed;
+}
+
+.myinfo-popup-close:not(:disabled):hover {
+  opacity: 0.85;
+}
+
 /* 내 비즈니스 카드 */
 .myinfo-business-card {
   background: rgba(255, 255, 255, 0.03);
@@ -10620,7 +10846,21 @@
   padding: 1.25rem 1.5rem;
   border-top: 1px solid rgba(255, 255, 255, 0.1);
   display: flex;
-  justify-content: center;
+  flex-direction: column;
+  align-items: center;
+  gap: 0.75rem;
+}
+
+.upload-progress-calendar-link {
+  font-size: 0.8rem;
+  color: rgba(255, 255, 255, 0.45);
+  cursor: pointer;
+  text-decoration: underline;
+  text-underline-offset: 3px;
+}
+
+.upload-progress-calendar-link:hover {
+  color: rgba(255, 255, 255, 0.75);
 }
 
 .upload-progress-btn {

src/components/SocialPostingModal.tsx

@@ -12,6 +12,7 @@ interface SocialPostingModalProps {
   isOpen: boolean;
   onClose: () => void;
   video: VideoListItem | null;
+  onGoToCalendar?: () => void;
 }
 
 type PrivacyType = 'public' | 'unlisted' | 'private';
@@ -116,7 +117,8 @@ const MiniCalendar: React.FC<{
 const SocialPostingModal: React.FC<SocialPostingModalProps> = ({
   isOpen,
   onClose,
-  video
+  video,
+  onGoToCalendar,
 }) => {
   const { t } = useTranslation();
   const tutorial = useTutorial();
@@ -150,6 +152,7 @@ const SocialPostingModal: React.FC<SocialPostingModalProps> = ({
   // 업로드 정보 (모달이 닫힌 후에도 유지)
   const [uploadVideoTitle, setUploadVideoTitle] = useState<string>('');
   const [uploadChannelName, setUploadChannelName] = useState<string>('');
+  const [uploadIsScheduled, setUploadIsScheduled] = useState(false);
 
   // 드롭다운 외부 클릭 시 닫기
   useEffect(() => {
@@ -300,6 +303,7 @@ const SocialPostingModal: React.FC<SocialPostingModalProps> = ({
     // 업로드 정보 저장 (모달이 닫힌 후에도 유지)
     setUploadVideoTitle(title.trim());
     setUploadChannelName(selectedAcc.display_name);
+    setUploadIsScheduled(publishTime === 'schedule');
     setShowUploadProgress(true);
 
     try {
@@ -401,6 +405,7 @@ const SocialPostingModal: React.FC<SocialPostingModalProps> = ({
     setUploadErrorMessage(undefined);
     setUploadVideoTitle('');
     setUploadChannelName('');
+    setUploadIsScheduled(false);
   };
 
   const handleClose = () => {
@@ -429,7 +434,8 @@ const SocialPostingModal: React.FC<SocialPostingModalProps> = ({
       channelName={uploadChannelName || selectedAccount?.display_name || ''}
       youtubeUrl={uploadYoutubeUrl}
       errorMessage={uploadErrorMessage}
-      isScheduled={publishTime === 'schedule'}
+      isScheduled={uploadIsScheduled}
+      onGoToCalendar={onGoToCalendar}
     />
   );
 

src/components/UploadProgressModal.tsx

@@ -14,6 +14,7 @@ interface UploadProgressModalProps {
   youtubeUrl?: string;
   errorMessage?: string;
   isScheduled?: boolean;
+  onGoToCalendar?: () => void;
 }
 
 const UploadProgressModal: React.FC<UploadProgressModalProps> = ({
@@ -26,6 +27,7 @@ const UploadProgressModal: React.FC<UploadProgressModalProps> = ({
   youtubeUrl,
   errorMessage,
   isScheduled = false,
+  onGoToCalendar,
 }) => {
   const { t } = useTranslation();
   if (!isOpen) return null;
@@ -151,9 +153,16 @@ const UploadProgressModal: React.FC<UploadProgressModalProps> = ({
         {/* Footer */}
         <div className="upload-progress-footer">
           {canClose ? (
+            <>
               <button className="upload-progress-btn primary" onClick={onClose}>
                 {status === 'completed' ? t('upload.confirm') : t('upload.close')}
               </button>
+              {status === 'completed' && onGoToCalendar && (
+                <span className="upload-progress-calendar-link" onClick={() => { onClose(); onGoToCalendar(); }}>
+                  {t('upload.goToCalendar')}
+                </span>
+              )}
+            </>
           ) : (
             <p className="upload-progress-note">{t('upload.doNotClose')}</p>
           )}

src/locales/en.json

@@ -150,7 +150,8 @@
     "viewOnYoutube": "View on YouTube",
     "confirm": "OK",
     "close": "Close",
-    "doNotClose": "Upload is in progress. Do not close this window."
+    "doNotClose": "Upload is in progress. Do not close this window.",
+    "goToCalendar": "View in Calendar"
   },
   "landing": {
     "hero": {
@@ -430,7 +431,22 @@
     "connected": "Connected",
     "disconnectAccount": "Disconnect",
     "loadingAccounts": "Loading account information...",
-    "youtubeExpiredAlert": "YouTube authentication has expired. Redirecting to reconnect page."
+    "youtubeExpiredAlert": "YouTube authentication has expired. Redirecting to reconnect page.",
+    "creditsTitle": "Credit Balance",
+    "creditsLoading": "Loading...",
+    "creditsLabel": "Available Credits",
+    "creditsUnit": "credits",
+    "creditsDesc": "You can request a top-up from the admin if you run low on credits.",
+    "creditsChargeBtn": "Top Up",
+    "chargePopupTitle": "Credit Top-up Request",
+    "chargeAmountLabel": "Credits to Request",
+    "chargeNoteLabel": "Additional Notes",
+    "chargeNotePlaceholder": "Enter any message for the admin",
+    "chargeCancel": "Cancel",
+    "chargeSubmit": "Submit",
+    "chargeSubmitting": "Submitting...",
+    "chargeSuccess": "Your top-up request has been submitted!",
+    "chargeConfirm": "OK"
   },
   "ado2Contents": {
     "title": "ADO2 Contents",

src/locales/ko.json

@@ -150,7 +150,8 @@
     "viewOnYoutube": "YouTube에서 보기",
     "confirm": "확인",
     "close": "닫기",
-    "doNotClose": "업로드가 진행 중입니다. 창을 닫지 마세요."
+    "doNotClose": "업로드가 진행 중입니다. 창을 닫지 마세요.",
+    "goToCalendar": "캘린더에서 확인"
   },
   "landing": {
     "hero": {
@@ -430,7 +431,22 @@
     "connected": "연결됨",
     "disconnectAccount": "연결 해제",
     "loadingAccounts": "계정 정보를 불러오는 중...",
-    "youtubeExpiredAlert": "YouTube 인증이 만료되었습니다. 재연동 페이지로 이동합니다."
+    "youtubeExpiredAlert": "YouTube 인증이 만료되었습니다. 재연동 페이지로 이동합니다.",
+    "creditsTitle": "크레딧 현황",
+    "creditsLoading": "로딩 중...",
+    "creditsLabel": "보유 크레딧",
+    "creditsUnit": "크레딧",
+    "creditsDesc": "크레딧이 부족하면 관리자에게 충전 요청할 수 있습니다.",
+    "creditsChargeBtn": "충전하기",
+    "chargePopupTitle": "크레딧 충전 요청",
+    "chargeAmountLabel": "충전 크레딧",
+    "chargeNoteLabel": "기타 내용",
+    "chargeNotePlaceholder": "관리자에게 전달할 내용을 입력해주세요",
+    "chargeCancel": "취소",
+    "chargeSubmit": "요청하기",
+    "chargeSubmitting": "요청 중...",
+    "chargeSuccess": "충전 요청이 완료 되었습니다!",
+    "chargeConfirm": "확인"
   },
   "ado2Contents": {
     "title": "ADO2 콘텐츠",

src/pages/Dashboard/ADO2ContentsPage.tsx

@@ -7,9 +7,10 @@ import SocialPostingModal from '../../components/SocialPostingModal';
 
 interface ADO2ContentsPageProps {
   onBack: () => void;
+  onNavigate?: (item: string) => void;
 }
 
-const ADO2ContentsPage: React.FC<ADO2ContentsPageProps> = ({ onBack }) => {
+const ADO2ContentsPage: React.FC<ADO2ContentsPageProps> = ({ onBack, onNavigate }) => {
   const { t } = useTranslation();
   const [videos, setVideos] = useState<VideoListItem[]>([]);
   const [total, setTotal] = useState(0);
@@ -295,6 +296,7 @@ const ADO2ContentsPage: React.FC<ADO2ContentsPageProps> = ({ onBack }) => {
         isOpen={uploadModalOpen}
         onClose={handleUploadModalClose}
         video={uploadTargetVideo}
+        onGoToCalendar={onNavigate ? () => onNavigate('콘텐츠 캘린더') : undefined}
       />
     </div>
   );

src/pages/Dashboard/CompletionContent.tsx

@@ -12,7 +12,7 @@ interface CompletionContentProps {
   songTaskId: string | null;
   onVideoStatusChange?: (status: 'idle' | 'generating' | 'complete' | 'error') => void;
   onVideoProgressChange?: (progress: number) => void;
-  onVideoComplete?: () => void;
+  onGoToCalendar?: () => void;
 }
 
 type VideoStatus = 'idle' | 'generating' | 'polling' | 'complete' | 'error';
@@ -34,7 +34,7 @@ const CompletionContent: React.FC<CompletionContentProps> = ({
   songTaskId,
   onVideoStatusChange,
   onVideoProgressChange,
-  onVideoComplete,
+  onGoToCalendar,
 }) => {
   const { t } = useTranslation();
   const [videoStatus, setVideoStatus] = useState<VideoStatus>('idle');
@@ -47,18 +47,20 @@ const CompletionContent: React.FC<CompletionContentProps> = ({
   const displayIntervalRef = useRef<ReturnType<typeof setInterval> | null>(null);
 
   const tutorial = useTutorial();
+  const tutorialIsActiveRef = useRef(tutorial.isActive);
+  tutorialIsActiveRef.current = tutorial.isActive;
 
   // 영상 생성 중 튜토리얼 트리거 (생성 상태 안내 -> 콘텐츠 정보 -> 내 정보 이동)
   useEffect(() => {
     const isComplete   = videoStatus === 'complete';
     const isProcessing = videoStatus === 'generating' || videoStatus === 'polling';
 
-    if (isProcessing && !tutorial.isActive && !tutorial.hasSeen(TUTORIAL_KEYS.GENERATING)) {
+    if (isProcessing && !tutorialIsActiveRef.current && !tutorial.hasSeen(TUTORIAL_KEYS.GENERATING)) {
       tutorial.startTutorial(TUTORIAL_KEYS.GENERATING);
-    } else if (isComplete && !tutorial.isActive && !tutorial.hasSeen(TUTORIAL_KEYS.COMPLETION)) {
+    } else if (isComplete && !tutorialIsActiveRef.current && !tutorial.hasSeen(TUTORIAL_KEYS.COMPLETION)) {
       tutorial.startTutorial(TUTORIAL_KEYS.COMPLETION);
     }
-  }, [videoStatus, tutorial, tutorial.isActive]);
+  }, [videoStatus]);
 
   // 소셜 미디어 포스팅 모달
   const [showSocialModal, setShowSocialModal] = useState(false);
@@ -255,7 +257,6 @@ const CompletionContent: React.FC<CompletionContentProps> = ({
         setVideoStatus('complete');
         setStatusMessage('');
         saveToStorage(videoTaskId, currentSongTaskId, 'complete', videoUrlFromResponse, videoId);
-        onVideoComplete?.();
       } else {
         throw new Error(t('completion.videoUrlMissing'));
       }
@@ -513,6 +514,7 @@ const CompletionContent: React.FC<CompletionContentProps> = ({
         <SocialPostingModal
           isOpen={showSocialModal}
           onClose={handleCloseSocialConnect}
+          onGoToCalendar={onGoToCalendar}
           video={videoUrl && videoDbId ? {
             video_id: videoDbId,
             store_name: songCompletionData?.businessName || '',

src/pages/Dashboard/ContentCalendarContent.tsx

@@ -548,9 +548,19 @@ const ContentCalendarContent: React.FC<ContentCalendarContentProps> = ({ onNavig
           </span>
         </div>
 
-        {/* 채널 아이콘 + 제목 */}
+        {/* 채널 아이콘 + 채널명 */}
-        <div style={{ display: 'flex', alignItems: 'center', gap: 8 }}>
+        <div style={{ display: 'flex', alignItems: 'center', gap: 6 }}>
-          <PlatformIcon platform={item.platform} size={18} />
+          <PlatformIcon platform={item.platform} size={16} />
+          <span style={{
+            fontFamily: 'Pretendard, sans-serif', fontWeight: 500, fontSize: 12,
+            color: '#9bcacc', lineHeight: 1,
+            overflow: 'hidden', whiteSpace: 'nowrap', textOverflow: 'ellipsis',
+          }}>
+            {item.platform_username || item.platform_user_id || item.channel_name}
+          </span>
+        </div>
+
+        {/* 제목 */}
         <span style={{
           fontFamily: 'Pretendard, sans-serif', fontWeight: 600, fontSize: 14,
           color: '#e5f1f2', lineHeight: 1.4,
@@ -559,7 +569,6 @@ const ContentCalendarContent: React.FC<ContentCalendarContentProps> = ({ onNavig
         }}>
           {item.title}
         </span>
-        </div>
 
         {/* 실패 메시지 */}
         {isFailed && item.error_message && (

src/pages/Dashboard/GenerationFlow.tsx

@@ -118,6 +118,7 @@ const GenerationFlow: React.FC<GenerationFlowProps> = ({
   const [isAnalysisComplete, setIsAnalysisComplete] = useState(false);
   const [userInfo, setUserInfo] = useState<UserMeResponse | null>(null);
   const [credits, setCredits] = useState<number | null>(null);
+  const [myInfoInitialTab, setMyInfoInitialTab] = useState<'basic' | 'payment' | 'business' | undefined>(undefined);
   const tutorial = useTutorial();
 
   const refreshCredits = useCallback(async () => {
@@ -247,7 +248,8 @@ const GenerationFlow: React.FC<GenerationFlowProps> = ({
       setIsAnalysisComplete(true);
     } catch (err) {
       console.error('Autocomplete error:', err);
-      setAnalysisError(err instanceof Error ? err.message : t('app.autocompleteError'));
+      const msg = err instanceof Error ? err.message : '';
+      setAnalysisError(/^HTTP error!/.test(msg) ? t('app.autocompleteError') : (msg || t('app.autocompleteError')));
       goToWizardStep(-2); // URL 입력으로 돌아가기
     }
   };
@@ -366,8 +368,15 @@ const GenerationFlow: React.FC<GenerationFlowProps> = ({
     }
   }, [activeItem]);
 
+  // 결제 탭으로 바로 이동하는 핸들러 (크레딧 충전하기 버튼용)
+  const handleGoToPayment = () => {
+    setMyInfoInitialTab('payment');
+    setActiveItem('내 정보');
+  };
+
   // 네비게이션 핸들러 - "새 프로젝트 만들기" 클릭 시 기존 프로젝트 데이터 초기화
   const handleNavigate = (item: string) => {
+    setMyInfoInitialTab(undefined);
     if (item === '새 프로젝트 만들기') {
       // 기존 프로젝트 데이터 초기화
       clearAllProjectStorage();
@@ -384,6 +393,7 @@ const GenerationFlow: React.FC<GenerationFlowProps> = ({
       setAnalysisError(null);
     }
     setActiveItem(item);
+    refreshCredits();
   };
 
   // 새 프로젝트 만들기 - 단계별 컨텐츠 렌더링
@@ -454,6 +464,7 @@ const GenerationFlow: React.FC<GenerationFlowProps> = ({
             mId={analysisData?.m_id ?? 0}
             videoGenerationStatus={videoGenerationStatus}
             videoGenerationProgress={videoGenerationProgress}
+            onGoToPayment={handleGoToPayment}
             onStatusChange={(status: string) => {
               if (status === 'generating_song' && !tutorial.hasSeen(TUTORIAL_KEYS.SOUND_LYRICS)) {
                 setTimeout(() => tutorial.startTutorial(TUTORIAL_KEYS.SOUND_LYRICS), 400);
@@ -478,7 +489,7 @@ const GenerationFlow: React.FC<GenerationFlowProps> = ({
             songTaskId={songTaskId}
             onVideoStatusChange={setVideoGenerationStatus}
             onVideoProgressChange={setVideoGenerationProgress}
-            onVideoComplete={refreshCredits}
+            onGoToCalendar={() => handleNavigate('콘텐츠 캘린더')}
           />
         );
       default:
@@ -496,12 +507,13 @@ const GenerationFlow: React.FC<GenerationFlowProps> = ({
         return (
           <ADO2ContentsPage
             onBack={() => setActiveItem('새 프로젝트 만들기')}
+            onNavigate={handleNavigate}
           />
         );
       case '콘텐츠 캘린더':
         return <ContentCalendarContent onNavigate={handleNavigate} />;
       case '내 정보':
-        return <MyInfoContent />;
+        return <MyInfoContent initialTab={myInfoInitialTab} />;
       case '새 프로젝트 만들기':
         // 브랜드 분석(0)과 로딩(-1)은 전체 화면으로 표시
         if (wizardStep === 0 || wizardStep === -1) {

src/pages/Dashboard/MyInfoContent.tsx

@@ -1,18 +1,53 @@
 
 import React, { useState, useEffect } from 'react';
 import { useTranslation } from 'react-i18next';
-import { getSocialAccounts, getYouTubeConnectUrl, disconnectSocialAccount, TokenExpiredError, handleSocialReconnect } from '../../utils/api';
+import { getSocialAccounts, getYouTubeConnectUrl, disconnectSocialAccount, TokenExpiredError, handleSocialReconnect, getUserCredits, requestCreditCharge } from '../../utils/api';
 import { SocialAccount } from '../../types/api';
 
 type TabType = 'basic' | 'payment' | 'business';
 
-const MyInfoContent: React.FC = () => {
+interface MyInfoContentProps {
+  initialTab?: TabType;
+}
+
+const MyInfoContent: React.FC<MyInfoContentProps> = ({ initialTab }) => {
   const { t } = useTranslation();
-  const [activeTab, setActiveTab] = useState<TabType>('business');
+  const [activeTab, setActiveTab] = useState<TabType>(initialTab || 'business');
   const [businessUrl, setBusinessUrl] = useState('');
   const [socialAccounts, setSocialAccounts] = useState<SocialAccount[]>([]);
   const [isLoadingAccounts, setIsLoadingAccounts] = useState(false);
   const [isConnecting, setIsConnecting] = useState<string | null>(null);
+  const [credits, setCredits] = useState<number | null>(null);
+  const [isLoadingCredits, setIsLoadingCredits] = useState(false);
+  const [showChargePopup, setShowChargePopup] = useState(false);
+  const [chargeAmount, setChargeAmount] = useState('');
+  const [chargeNote, setChargeNote] = useState('');
+  const [isRequesting, setIsRequesting] = useState(false);
+  const [chargeSuccess, setChargeSuccess] = useState(false);
+
+  // initialTab 변경 시 탭 업데이트
+  useEffect(() => {
+    if (initialTab) setActiveTab(initialTab);
+  }, [initialTab]);
+
+  // 크레딧 로드
+  useEffect(() => {
+    if (activeTab === 'payment') {
+      loadCredits();
+    }
+  }, [activeTab]);
+
+  const loadCredits = async () => {
+    setIsLoadingCredits(true);
+    try {
+      const data = await getUserCredits();
+      setCredits(data.credits);
+    } catch (error) {
+      console.error('Failed to load credits:', error);
+    } finally {
+      setIsLoadingCredits(false);
+    }
+  };
 
   // 소셜 계정 목록 로드
   useEffect(() => {
@@ -84,6 +119,74 @@ const MyInfoContent: React.FC = () => {
   ];
 
   return (
+    <>
+    {showChargePopup && (
+      <div className="myinfo-popup-overlay" onClick={() => { setShowChargePopup(false); setChargeSuccess(false); setChargeAmount(''); setChargeNote(''); }}>
+        <div className="myinfo-popup" onClick={e => e.stopPropagation()}>
+          {chargeSuccess ? (
+            <>
+              <p className="myinfo-popup-message">{t('myInfo.chargeSuccess')}</p>
+              <button className="myinfo-popup-close" onClick={() => { setShowChargePopup(false); setChargeSuccess(false); setChargeAmount(''); setChargeNote(''); }}>{t('myInfo.chargeConfirm')}</button>
+            </>
+          ) : (
+            <>
+              <h3 className="myinfo-popup-title">{t('myInfo.chargePopupTitle')}</h3>
+              <div className="myinfo-popup-field">
+                <label className="myinfo-popup-label">{t('myInfo.chargeAmountLabel')}</label>
+                <div className="myinfo-popup-counter">
+                  <button
+                    className="myinfo-popup-counter-btn"
+                    onClick={() => setChargeAmount(v => String(Math.max(1, Number(v || 0) - 1)))}
+                  >−</button>
+                  <input
+                    type="number"
+                    className="myinfo-popup-input myinfo-popup-input--center"
+                    placeholder="0"
+                    value={chargeAmount}
+                    onChange={e => setChargeAmount(e.target.value.replace(/[^0-9]/g, ''))}
+                    min={1}
+                  />
+                  <button
+                    className="myinfo-popup-counter-btn"
+                    onClick={() => setChargeAmount(v => String(Number(v || 0) + 1))}
+                  >+</button>
+                </div>
+              </div>
+              <div className="myinfo-popup-field">
+                <label className="myinfo-popup-label">{t('myInfo.chargeNoteLabel')}</label>
+                <textarea
+                  className="myinfo-popup-textarea"
+                  placeholder={t('myInfo.chargeNotePlaceholder')}
+                  value={chargeNote}
+                  onChange={e => setChargeNote(e.target.value)}
+                  rows={3}
+                />
+              </div>
+              <div className="myinfo-popup-actions">
+                <button className="myinfo-popup-cancel" onClick={() => { setShowChargePopup(false); setChargeAmount(''); setChargeNote(''); }}>{t('myInfo.chargeCancel')}</button>
+                <button
+                  className="myinfo-popup-close"
+                  disabled={!chargeAmount || isRequesting}
+                  onClick={async () => {
+                    setIsRequesting(true);
+                    try {
+                      await requestCreditCharge(Number(chargeAmount), chargeNote);
+                    } catch (e) {
+                      console.error('Charge request failed:', e);
+                    } finally {
+                      setIsRequesting(false);
+                      setChargeSuccess(true);
+                    }
+                  }}
+                >
+                  {isRequesting ? t('myInfo.chargeSubmitting') : t('myInfo.chargeSubmit')}
+                </button>
+              </div>
+            </>
+          )}
+        </div>
+      </div>
+    )}
     <main className="myinfo-page">
       <h1 className="myinfo-title">{t('myInfo.title')}</h1>
 
@@ -110,7 +213,28 @@ const MyInfoContent: React.FC = () => {
 
         {activeTab === 'payment' && (
           <div className="myinfo-section">
-            <p className="myinfo-placeholder">{t('myInfo.paymentPlaceholder')}</p>
+            <h2 className="myinfo-section-title">{t('myInfo.creditsTitle')}</h2>
+            <div className="myinfo-credits-card">
+              {isLoadingCredits ? (
+                <p className="myinfo-placeholder">{t('myInfo.creditsLoading')}</p>
+              ) : (
+                <>
+                  <div className="myinfo-credits-row">
+                    <span className="myinfo-credits-label">{t('myInfo.creditsLabel')}</span>
+                    <span className="myinfo-credits-value">{credits !== null ? credits.toLocaleString() : '-'} {t('myInfo.creditsUnit')}</span>
+                  </div>
+                  <div className="myinfo-credits-row">
+                    <p className="myinfo-credits-desc">{t('myInfo.creditsDesc')}</p>
+                    <button
+                      className="myinfo-credits-charge-btn"
+                      onClick={() => setShowChargePopup(true)}
+                    >
+                      {t('myInfo.creditsChargeBtn')}
+                    </button>
+                  </div>
+                </>
+              )}
+            </div>
           </div>
         )}
 
@@ -250,6 +374,7 @@ const MyInfoContent: React.FC = () => {
         )}
       </div>
     </main>
+    </>
   );
 };
 

src/pages/Dashboard/SoundStudioContent.tsx

@@ -19,6 +19,7 @@ interface SoundStudioContentProps {
   onStatusChange?: (status: string) => void;
   videoGenerationStatus?: 'idle' | 'generating' | 'complete' | 'error';
   videoGenerationProgress?: number;
+  onGoToPayment?: () => void;
 }
 
 type GenerationStatus = 'idle' | 'generating_lyric' | 'generating_song' | 'polling' | 'complete' | 'error';
@@ -43,6 +44,7 @@ const SoundStudioContent: React.FC<SoundStudioContentProps> = ({
   onStatusChange,
   videoGenerationStatus = 'idle',
   videoGenerationProgress = 0,
+  onGoToPayment,
 }) => {
   const { t } = useTranslation();
   const [selectedType, setSelectedType] = useState('보컬');
@@ -539,7 +541,11 @@ const SoundStudioContent: React.FC<SoundStudioContentProps> = ({
               <div className="error-message-new">
                 {isCreditsError ? t('soundStudio.creditsExhausted') : errorMessage}
                 {isCreditsError && (
-                  <a href="#" className="charge-credits-link">
+                  <a
+                    href=""
+                    className="charge-credits-link"
+                    onClick={e => { e.preventDefault(); onGoToPayment?.(); }}
+                  >
                     {t('soundStudio.chargeCredits')}
                   </a>
                 )}

src/types/api.ts

@@ -379,6 +379,8 @@ export interface UploadHistoryItem {
   status: 'pending' | 'uploading' | 'completed' | 'failed' | 'scheduled' | 'cancelled';
   title: string;
   channel_name: string;
+  platform_user_id: string | null;
+  platform_username: string | null;
   scheduled_at: string | null;
   uploaded_at: string | null;
   created_at: string;

src/utils/api.ts

@@ -665,6 +665,19 @@ export async function getUserCredits(): Promise<UserCreditsResponse> {
   return response.json();
 }
 
+// 크레딧 충전 요청
+export async function requestCreditCharge(amount: number, note: string): Promise<void> {
+  const response = await authenticatedFetch(`${API_URL}/user/credits/charge-requests`, {
+    method: 'POST',
+    headers: { 'Content-Type': 'application/json' },
+    body: JSON.stringify({ requested_amount: amount, message: note }),
+  });
+
+  if (!response.ok) {
+    throw new Error(`HTTP error! status: ${response.status}`);
+  }
+}
+
 // 로그인 여부 확인
 export function isLoggedIn(): boolean {
   return !!getAccessToken();