feat: 앨범 사진/티저 업로드 기능 구현

- SSE 기반 실시간 업로드 진행률 표시
- 컨셉 포토/티저 이미지 분리 (photo/ vs teaser/ 폴더)
- album_photos, album_teasers 테이블에 분리 저장
- 3개 해상도별 URL 컬럼 분리 (original_url, medium_url, thumb_url)
- 파일 업로드 시 타입 선택 잠금
- 티저 모드: 순서만 변경 가능, 메타 정보 입력 불필요
- 이미지 처리 병렬화로 성능 개선
- RUSTFS_PUBLIC_URL 환경변수 추가

.env

@@ -12,6 +12,7 @@ JWT_SECRET=fromis9-admin-jwt-secret-2026-xK9mP2vL7nQ4w
 
 # RustFS (S3 Compatible)
 RUSTFS_ENDPOINT=https://rustfs.caadiq.co.kr
+RUSTFS_PUBLIC_URL=https://s3.caadiq.co.kr
 RUSTFS_ACCESS_KEY=iOpbGJIn4VumvxXlSC6D
 RUSTFS_SECRET_KEY=tDTwLkcHN5UVuWnea2s8OECrmiv013qoSQIpYbBd
 RUSTFS_BUCKET=fromis-9

backend/routes/admin.js

@@ -406,4 +406,312 @@ router.delete("/albums/:id", authenticateToken, async (req, res) => {
   }
 });
 
+// ============================================
+// 앨범 사진 관리 API
+// ============================================
+
+// 앨범 사진 목록 조회
+router.get("/albums/:albumId/photos", async (req, res) => {
+  try {
+    const { albumId } = req.params;
+
+    // 앨범 존재 확인
+    const [albums] = await pool.query(
+      "SELECT folder_name FROM albums WHERE id = ?",
+      [albumId]
+    );
+    if (albums.length === 0) {
+      return res.status(404).json({ error: "앨범을 찾을 수 없습니다." });
+    }
+
+    const folderName = albums[0].folder_name;
+
+    // 사진 조회 (멤버 정보 포함)
+    const [photos] = await pool.query(
+      `
+      SELECT 
+        p.id, p.photo_url, p.photo_type, p.concept_name, 
+        p.sort_order, p.width, p.height, p.file_size,
+        GROUP_CONCAT(pm.member_id) as member_ids
+      FROM album_photos p
+      LEFT JOIN album_photo_members pm ON p.id = pm.photo_id
+      WHERE p.album_id = ?
+      GROUP BY p.id
+      ORDER BY p.sort_order ASC
+    `,
+      [albumId]
+    );
+
+    // URL 변환 및 멤버 배열 파싱
+    const result = photos.map((photo) => ({
+      ...photo,
+      photo_url: photo.photo_url,
+      thumb_url: photo.photo_url.replace("/original/", "/thumb_400/"),
+      medium_url: photo.photo_url.replace("/original/", "/medium_800/"),
+      members: photo.member_ids ? photo.member_ids.split(",").map(Number) : [],
+    }));
+
+    res.json(result);
+  } catch (error) {
+    console.error("사진 조회 오류:", error);
+    res.status(500).json({ error: "사진 조회 중 오류가 발생했습니다." });
+  }
+});
+
+// 사진 업로드 (SSE로 실시간 진행률 전송)
+router.post(
+  "/albums/:albumId/photos",
+  authenticateToken,
+  upload.array("photos", 50),
+  async (req, res) => {
+    // SSE 헤더 설정
+    res.setHeader("Content-Type", "text/event-stream");
+    res.setHeader("Cache-Control", "no-cache");
+    res.setHeader("Connection", "keep-alive");
+
+    const sendProgress = (current, total, message) => {
+      res.write(`data: ${JSON.stringify({ current, total, message })}\n\n`);
+    };
+    const connection = await pool.getConnection();
+
+    try {
+      await connection.beginTransaction();
+
+      const { albumId } = req.params;
+      const metadata = JSON.parse(req.body.metadata || "[]");
+      const startNumber = parseInt(req.body.startNumber) || null;
+      const photoType = req.body.photoType || "concept"; // 'concept' | 'teaser'
+
+      // 앨범 정보 조회
+      const [albums] = await connection.query(
+        "SELECT folder_name FROM albums WHERE id = ?",
+        [albumId]
+      );
+      if (albums.length === 0) {
+        return res.status(404).json({ error: "앨범을 찾을 수 없습니다." });
+      }
+
+      const folderName = albums[0].folder_name;
+
+      // 시작 번호 결정 (클라이언트 지정 또는 기존 사진 다음 번호)
+      let nextOrder;
+      if (startNumber && startNumber > 0) {
+        nextOrder = startNumber;
+      } else {
+        const [existingPhotos] = await connection.query(
+          "SELECT MAX(sort_order) as maxOrder FROM album_photos WHERE album_id = ?",
+          [albumId]
+        );
+        nextOrder = (existingPhotos[0].maxOrder || 0) + 1;
+      }
+
+      const uploadedPhotos = [];
+      const totalFiles = req.files.length;
+
+      for (let i = 0; i < req.files.length; i++) {
+        const file = req.files[i];
+        const meta = metadata[i] || {};
+        const orderNum = String(nextOrder + i).padStart(2, "0");
+        const filename = `${orderNum}.webp`;
+
+        // 진행률 전송
+        sendProgress(i + 1, totalFiles, `${filename} 처리 중...`);
+
+        // Sharp로 이미지 처리 (병렬)
+        const [originalBuffer, medium800Buffer, thumb400Buffer] =
+          await Promise.all([
+            sharp(file.buffer).webp({ lossless: true }).toBuffer(),
+            sharp(file.buffer)
+              .resize(800, null, { withoutEnlargement: true })
+              .webp({ quality: 85 })
+              .toBuffer(),
+            sharp(file.buffer)
+              .resize(400, null, { withoutEnlargement: true })
+              .webp({ quality: 80 })
+              .toBuffer(),
+          ]);
+
+        const originalMeta = await sharp(originalBuffer).metadata();
+
+        // RustFS 업로드 (병렬)
+        // 컨셉 포토: photo/, 티저 이미지: teaser/
+        const subFolder = photoType === "teaser" ? "teaser" : "photo";
+        const basePath = `album/${folderName}/${subFolder}`;
+
+        await Promise.all([
+          s3Client.send(
+            new PutObjectCommand({
+              Bucket: BUCKET,
+              Key: `${basePath}/original/${filename}`,
+              Body: originalBuffer,
+              ContentType: "image/webp",
+            })
+          ),
+          s3Client.send(
+            new PutObjectCommand({
+              Bucket: BUCKET,
+              Key: `${basePath}/medium_800/${filename}`,
+              Body: medium800Buffer,
+              ContentType: "image/webp",
+            })
+          ),
+          s3Client.send(
+            new PutObjectCommand({
+              Bucket: BUCKET,
+              Key: `${basePath}/thumb_400/${filename}`,
+              Body: thumb400Buffer,
+              ContentType: "image/webp",
+            })
+          ),
+        ]);
+
+        // 3개 해상도별 URL 생성
+        const originalUrl = `${process.env.RUSTFS_PUBLIC_URL}/${BUCKET}/${basePath}/original/${filename}`;
+        const mediumUrl = `${process.env.RUSTFS_PUBLIC_URL}/${BUCKET}/${basePath}/medium_800/${filename}`;
+        const thumbUrl = `${process.env.RUSTFS_PUBLIC_URL}/${BUCKET}/${basePath}/thumb_400/${filename}`;
+
+        let photoId;
+
+        // DB 저장 - 티저와 컨셉 포토 분기
+        if (photoType === "teaser") {
+          // 티저 이미지 → album_teasers 테이블
+          const [result] = await connection.query(
+            `INSERT INTO album_teasers 
+             (album_id, original_url, medium_url, thumb_url, sort_order)
+             VALUES (?, ?, ?, ?, ?)`,
+            [albumId, originalUrl, mediumUrl, thumbUrl, nextOrder + i]
+          );
+          photoId = result.insertId;
+        } else {
+          // 컨셉 포토 → album_photos 테이블
+          const [result] = await connection.query(
+            `INSERT INTO album_photos 
+             (album_id, original_url, medium_url, thumb_url, photo_type, concept_name, sort_order, width, height, file_size)
+             VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?)`,
+            [
+              albumId,
+              originalUrl,
+              mediumUrl,
+              thumbUrl,
+              meta.groupType || "group",
+              meta.conceptName || null,
+              nextOrder + i,
+              originalMeta.width,
+              originalMeta.height,
+              originalBuffer.length,
+            ]
+          );
+          photoId = result.insertId;
+
+          // 멤버 태깅 저장 (컨셉 포토만)
+          if (meta.members && meta.members.length > 0) {
+            for (const memberId of meta.members) {
+              await connection.query(
+                "INSERT INTO album_photo_members (photo_id, member_id) VALUES (?, ?)",
+                [photoId, memberId]
+              );
+            }
+          }
+        }
+
+        uploadedPhotos.push({
+          id: photoId,
+          original_url: originalUrl,
+          medium_url: mediumUrl,
+          thumb_url: thumbUrl,
+          filename,
+        });
+      }
+
+      await connection.commit();
+
+      // 완료 이벤트 전송
+      res.write(
+        `data: ${JSON.stringify({
+          done: true,
+          message: `${uploadedPhotos.length}개의 사진이 업로드되었습니다.`,
+          photos: uploadedPhotos,
+        })}\n\n`
+      );
+      res.end();
+    } catch (error) {
+      await connection.rollback();
+      console.error("사진 업로드 오류:", error);
+      res.write(
+        `data: ${JSON.stringify({
+          error: "사진 업로드 중 오류가 발생했습니다.",
+        })}\n\n`
+      );
+      res.end();
+    } finally {
+      connection.release();
+    }
+  }
+);
+
+// 사진 삭제
+router.delete(
+  "/albums/:albumId/photos/:photoId",
+  authenticateToken,
+  async (req, res) => {
+    const connection = await pool.getConnection();
+
+    try {
+      await connection.beginTransaction();
+
+      const { albumId, photoId } = req.params;
+
+      // 사진 정보 조회
+      const [photos] = await connection.query(
+        "SELECT p.*, a.folder_name FROM album_photos p JOIN albums a ON p.album_id = a.id WHERE p.id = ? AND p.album_id = ?",
+        [photoId, albumId]
+      );
+
+      if (photos.length === 0) {
+        return res.status(404).json({ error: "사진을 찾을 수 없습니다." });
+      }
+
+      const photo = photos[0];
+      const filename = photo.photo_url.split("/").pop();
+      const basePath = `album/${photo.folder_name}/photo`;
+
+      // RustFS에서 삭제 (3가지 크기 모두)
+      const sizes = ["original", "medium_800", "thumb_400"];
+      for (const size of sizes) {
+        try {
+          await s3Client.send(
+            new DeleteObjectCommand({
+              Bucket: BUCKET,
+              Key: `${basePath}/${size}/${filename}`,
+            })
+          );
+        } catch (s3Error) {
+          console.error(`S3 삭제 오류 (${size}):`, s3Error);
+        }
+      }
+
+      // 멤버 태깅 삭제
+      await connection.query(
+        "DELETE FROM album_photo_members WHERE photo_id = ?",
+        [photoId]
+      );
+
+      // 사진 삭제
+      await connection.query("DELETE FROM album_photos WHERE id = ?", [
+        photoId,
+      ]);
+
+      await connection.commit();
+
+      res.json({ message: "사진이 삭제되었습니다." });
+    } catch (error) {
+      await connection.rollback();
+      console.error("사진 삭제 오류:", error);
+      res.status(500).json({ error: "사진 삭제 중 오류가 발생했습니다." });
+    } finally {
+      connection.release();
+    }
+  }
+);
+
 export default router;

frontend/src/pages/pc/admin/AdminAlbumPhotos.jsx

@@ -9,9 +9,6 @@ import {
 } from 'lucide-react';
 import Toast from '../../../components/Toast';
 
-// 멤버 목록
-const MEMBERS = ['이서연', '송하영', '장규리', '박지원', '이나경', '이채영', '백지헌'];
-
 function AdminAlbumPhotos() {
     const { albumId } = useParams();
     const navigate = useNavigate();
@@ -29,12 +26,16 @@ function AdminAlbumPhotos() {
     const [deleting, setDeleting] = useState(false);
     const [previewPhoto, setPreviewPhoto] = useState(null);
     const [dragOver, setDragOver] = useState(false);
+    const [members, setMembers] = useState([]); // DB에서 로드
 
     // 업로드 대기 중인 파일들
     const [pendingFiles, setPendingFiles] = useState([]);
     const [photoType, setPhotoType] = useState('concept'); // 'concept' | 'teaser'
     const [conceptName, setConceptName] = useState('');
+    const [startNumber, setStartNumber] = useState(1); // 시작 번호
     const [saving, setSaving] = useState(false);
+    const [processingStatus, setProcessingStatus] = useState(''); // 처리 상태 메시지
+    const [processingProgress, setProcessingProgress] = useState({ current: 0, total: 0 }); // 서버 처리 진행률
     const [pendingDeleteId, setPendingDeleteId] = useState(null); // 삭제 대기 파일 ID
 
     // Toast 자동 숨김
@@ -67,6 +68,13 @@ function AdminAlbumPhotos() {
             const albumData = await albumRes.json();
             setAlbum(albumData);
 
+            // 멤버 목록 로드
+            const membersRes = await fetch('/api/members');
+            if (membersRes.ok) {
+                const membersData = await membersRes.json();
+                setMembers(membersData);
+            }
+
             // TODO: 기존 사진 목록 로드 (API 구현 후)
             setPhotos([]);
             setLoading(false);
@@ -246,10 +254,12 @@ function AdminAlbumPhotos() {
             return;
         }
 
+        // 컨셉 포토일 때만 검증
+        if (photoType === 'concept') {
             // 컨셉명 검증 (각 파일별로)
             const missingConcept = pendingFiles.some(f => !f.conceptName.trim());
             if (missingConcept) {
-            setToast({ message: '모든 사진의 컨셉/티저 이름을 입력해주세요.', type: 'warning' });
+                setToast({ message: '모든 사진의 컨셉명을 입력해주세요.', type: 'warning' });
                 return;
             }
             
@@ -261,42 +271,93 @@ function AdminAlbumPhotos() {
                 setToast({ message: '솔로/유닛 사진에는 멤버를 선택해주세요.', type: 'warning' });
                 return;
             }
+        }
 
         setSaving(true);
         setUploadProgress(0);
+        setProcessingProgress({ current: 0, total: pendingFiles.length });
+        setProcessingStatus('');
 
         try {
-            // 임시 진행률 시뮬레이션
+            const token = localStorage.getItem('adminToken');
-            for (let i = 0; i <= 100; i += 10) {
+            
-                await new Promise(r => setTimeout(r, 100));
+            // FormData 생성
-                setUploadProgress(i);
+            const formData = new FormData();
+            const metadata = pendingFiles.map(pf => ({
+                groupType: pf.groupType,
+                members: pf.members,
+                conceptName: pf.conceptName,
+            }));
+            
+            pendingFiles.forEach(pf => {
+                formData.append('photos', pf.file);
+            });
+            formData.append('metadata', JSON.stringify(metadata));
+            formData.append('startNumber', startNumber);
+            formData.append('photoType', photoType);
+
+            // 업로드 진행률 + SSE로 서버 처리 진행률
+            const response = await fetch(`/api/admin/albums/${albumId}/photos`, {
+                method: 'POST',
+                headers: {
+                    'Authorization': `Bearer ${token}`,
+                },
+                body: formData,
+            });
+
+            setUploadProgress(100);
+
+            // SSE 응답 읽기
+            const reader = response.body.getReader();
+            const decoder = new TextDecoder();
+            let result = null;
+
+            while (true) {
+                const { done, value } = await reader.read();
+                if (done) break;
+
+                const text = decoder.decode(value);
+                const lines = text.split('\n');
+                
+                for (const line of lines) {
+                    if (line.startsWith('data: ')) {
+                        try {
+                            const data = JSON.parse(line.slice(6));
+                            if (data.done) {
+                                result = data;
+                            } else if (data.error) {
+                                throw new Error(data.error);
+                            } else if (data.current) {
+                                setProcessingProgress({ current: data.current, total: data.total });
+                                setProcessingStatus(data.message);
+                            }
+                        } catch (e) {
+                            // JSON 파싱 실패 무시
+                        }
+                    }
+                }
             }
 
-            // TODO: 실제 업로드 API 호출
+            if (result) {
-            // const formData = new FormData();
+                setToast({ message: result.message, type: 'success' });
-            // pendingFiles.forEach((pf, idx) => {
+            }
-            //     formData.append('photos', pf.file);
-            //     formData.append(`meta_${idx}`, JSON.stringify({
-            //         order: idx + 1,
-            //         groupType: pf.groupType,
-            //         members: pf.members,
-            //     }));
-            // });
-            // formData.append('photoType', photoType);
-            // formData.append('conceptName', conceptName);
-
-            setToast({ message: `${pendingFiles.length}개의 사진이 업로드되었습니다.`, type: 'success' });
             
             // 미리보기 URL 해제
             pendingFiles.forEach(f => URL.revokeObjectURL(f.preview));
             setPendingFiles([]);
             setConceptName('');
+            setStartNumber(1); // 초기화
+            
+            // 사진 목록 다시 로드
+            fetchAlbumData();
         } catch (error) {
             console.error('업로드 오류:', error);
-            setToast({ message: '업로드 중 오류가 발생했습니다.', type: 'error' });
+            setToast({ message: error.message || '업로드 중 오류가 발생했습니다.', type: 'error' });
         } finally {
             setSaving(false);
             setUploadProgress(0);
+            setProcessingProgress({ current: 0, total: 0 });
+            setProcessingStatus('');
         }
     };
 
@@ -461,13 +522,14 @@ function AdminAlbumPhotos() {
                     <span className="text-gray-700">{album?.title} - 사진 관리</span>
                 </motion.div>
 
-                {/* 타이틀 */}
+                {/* 타이틀 + 액션 버튼 */}
                 <motion.div 
-                    className="flex items-center gap-4 mb-8"
+                    className="flex items-center justify-between mb-8"
                     initial={{ opacity: 0, y: 10 }}
                     animate={{ opacity: 1, y: 0 }}
                     transition={{ delay: 0.15 }}
                 >
+                    <div className="flex items-center gap-4">
                         <img 
                             src={album?.cover_url} 
                             alt={album?.title}
@@ -477,6 +539,37 @@ function AdminAlbumPhotos() {
                             <h1 className="text-2xl font-bold text-gray-900">{album?.title}</h1>
                             <p className="text-gray-500">사진 업로드 및 관리</p>
                         </div>
+                    </div>
+                    {pendingFiles.length > 0 && (
+                        <div className="flex items-center gap-3">
+                            <button
+                                onClick={() => {
+                                    pendingFiles.forEach(f => URL.revokeObjectURL(f.preview));
+                                    setPendingFiles([]);
+                                }}
+                                className="px-4 py-2 text-gray-600 hover:text-gray-900 transition-colors"
+                            >
+                                취소
+                            </button>
+                            <button
+                                onClick={handleUpload}
+                                disabled={saving}
+                                className="flex items-center gap-2 px-5 py-2 bg-primary text-white rounded-lg hover:bg-primary-dark transition-colors disabled:opacity-50"
+                            >
+                                {saving ? (
+                                    <>
+                                        <span className="w-4 h-4 border-2 border-white/30 border-t-white rounded-full animate-spin" />
+                                        업로드 중...
+                                    </>
+                                ) : (
+                                    <>
+                                        <Save size={18} />
+                                        {pendingFiles.length}개 사진 업로드
+                                    </>
+                                )}
+                            </button>
+                        </div>
+                    )}
                 </motion.div>
 
                 {/* 업로드 설정 */}
@@ -496,27 +589,54 @@ function AdminAlbumPhotos() {
                         <div className="flex gap-2 max-w-xs">
                             <button
                                 onClick={() => setPhotoType('concept')}
+                                disabled={pendingFiles.length > 0}
                                 className={`flex-1 py-2 px-4 rounded-lg text-sm font-medium transition-colors ${
                                     photoType === 'concept'
                                         ? 'bg-primary text-white'
                                         : 'bg-gray-100 text-gray-600 hover:bg-gray-200'
-                                }`}
+                                } ${pendingFiles.length > 0 ? 'opacity-50 cursor-not-allowed' : ''}`}
                             >
                                 컨셉 포토
                             </button>
                             <button
                                 onClick={() => setPhotoType('teaser')}
+                                disabled={pendingFiles.length > 0}
                                 className={`flex-1 py-2 px-4 rounded-lg text-sm font-medium transition-colors ${
                                     photoType === 'teaser'
                                         ? 'bg-primary text-white'
                                         : 'bg-gray-100 text-gray-600 hover:bg-gray-200'
-                                }`}
+                                } ${pendingFiles.length > 0 ? 'opacity-50 cursor-not-allowed' : ''}`}
                             >
                                 티저 이미지
                             </button>
                         </div>
                         <p className="text-xs text-gray-400 mt-2">
-                            컨셉/티저 이름은 각 사진별로 입력합니다.
+                            {pendingFiles.length > 0 
+                                ? '파일이 추가된 상태에서는 타입을 변경할 수 없습니다.'
+                                : photoType === 'teaser' 
+                                    ? '티저 이미지는 순서만 지정하면 됩니다.'
+                                    : '컨셉/티저 이름은 각 사진별로 입력합니다.'
+                            }
+                        </p>
+                    </div>
+
+                    {/* 시작 번호 설정 */}
+                    <div className="mt-4 pt-4 border-t border-gray-100">
+                        <label className="block text-sm font-medium text-gray-700 mb-2">시작 번호</label>
+                        <div className="flex items-center gap-3">
+                            <input
+                                type="number"
+                                min="1"
+                                value={startNumber}
+                                onChange={(e) => setStartNumber(Math.max(1, parseInt(e.target.value) || 1))}
+                                className="w-20 px-3 py-2 border border-gray-200 rounded-lg text-center focus:outline-none focus:ring-2 focus:ring-primary [appearance:textfield] [&::-webkit-outer-spin-button]:appearance-none [&::-webkit-inner-spin-button]:appearance-none"
+                            />
+                            <span className="text-sm text-gray-500">
+                                → {String(startNumber).padStart(2, '0')}.webp ~ {String(startNumber + Math.max(0, pendingFiles.length - 1)).padStart(2, '0')}.webp
+                            </span>
+                        </div>
+                        <p className="text-xs text-gray-400 mt-2">
+                            추가 업로드 시 기존 사진 다음 번호로 설정하세요.
                         </p>
                     </div>
                 </motion.div>
@@ -529,13 +649,38 @@ function AdminAlbumPhotos() {
                         className="mb-6 bg-white rounded-xl p-4 border border-gray-100 shadow-sm"
                     >
                         <div className="flex items-center justify-between mb-2">
-                            <span className="text-sm text-gray-600">업로드 중...</span>
+                            <div className="flex items-center gap-2">
-                            <span className="text-sm font-medium text-primary">{uploadProgress}%</span>
+                                <span className="w-4 h-4 border-2 border-primary/30 border-t-primary rounded-full animate-spin" />
+                                {uploadProgress < 100 ? (
+                                    <span className="text-sm text-gray-600">파일 업로드 중...</span>
+                                ) : processingProgress.current > 0 ? (
+                                    <span className="text-sm text-gray-600">
+                                        {processingStatus || `${processingProgress.current}/${processingProgress.total} 처리 중...`}
+                                    </span>
+                                ) : (
+                                    <span className="text-sm text-gray-600">서버 연결 중...</span>
+                                )}
+                            </div>
+                            <span className="text-sm font-medium text-primary">
+                                {uploadProgress < 100 
+                                    ? `${uploadProgress}%`
+                                    : processingProgress.total > 0 
+                                        ? `${Math.round((processingProgress.current / processingProgress.total) * 100)}%`
+                                        : '0%'
+                                }
+                            </span>
                         </div>
                         <div className="h-2 bg-gray-100 rounded-full overflow-hidden">
                             <motion.div
                                 initial={{ width: 0 }}
-                                animate={{ width: `${uploadProgress}%` }}
+                                animate={{ 
+                                    width: uploadProgress < 100 
+                                        ? `${uploadProgress}%` 
+                                        : processingProgress.total > 0 
+                                            ? `${(processingProgress.current / processingProgress.total) * 100}%`
+                                            : '0%'
+                                }}
+                                transition={{ duration: 0.3 }}
                                 className="h-full bg-primary rounded-full"
                             />
                         </div>
@@ -615,8 +760,8 @@ function AdminAlbumPhotos() {
                                                 <input
                                                     type="text"
                                                     inputMode="numeric"
-                                                    defaultValue={String(index + 1).padStart(2, '0')}
+                                                    defaultValue={String(startNumber + index).padStart(2, '0')}
-                                                    key={`order-${file.id}-${index}`}
+                                                    key={`order-${file.id}-${index}-${startNumber}`}
                                                     onBlur={(e) => {
                                                         const val = e.target.value.trim();
                                                         if (val && !isNaN(val)) {
@@ -634,12 +779,12 @@ function AdminAlbumPhotos() {
                                                 />
                                             </div>
 
-                                            {/* 썸네일 (정사각형) */}
+                                            {/* 썸네일 (작게 축소하여 스크롤 성능 개선) */}
                                             <img
                                                 src={file.preview}
                                                 alt={file.filename}
                                                 draggable="false"
-                                                className="w-36 h-36 rounded-xl object-cover cursor-pointer hover:opacity-80 transition-opacity flex-shrink-0 select-none"
+                                                className="w-24 h-24 rounded-lg object-cover cursor-pointer hover:opacity-80 transition-opacity flex-shrink-0 select-none"
                                                 onClick={() => setPreviewPhoto(file)}
                                             />
 
@@ -648,6 +793,9 @@ function AdminAlbumPhotos() {
                                                 {/* 파일명 */}
                                                 <p className="text-base font-medium text-gray-900 truncate">{file.filename}</p>
 
+                                                {/* 컨셉 포토일 때만 메타 정보 입력 표시 */}
+                                                {photoType === 'concept' && (
+                                                    <>
                                                         {/* 단체/솔로/유닛 선택 */}
                                                         <div className="flex items-center gap-2">
                                                             <span className="text-sm text-gray-500 w-16">타입:</span>
@@ -679,17 +827,17 @@ function AdminAlbumPhotos() {
                                                             {file.groupType === 'group' ? (
                                                                 <span className="text-sm text-gray-400">단체 사진은 멤버 태깅이 필요 없습니다</span>
                                                             ) : (
-                                                        MEMBERS.map(member => (
+                                                                members.map(member => (
                                                                     <button
-                                                                key={member}
+                                                                        key={member.id}
-                                                                onClick={() => toggleMember(file.id, member)}
+                                                                        onClick={() => toggleMember(file.id, member.id)}
                                                                         className={`px-3 py-1 rounded-full text-sm transition-colors ${
-                                                                    file.members.includes(member)
+                                                                            file.members.includes(member.id)
                                                                                 ? 'bg-primary text-white'
                                                                                 : 'bg-white text-gray-600 hover:bg-gray-100 border border-gray-200'
                                                                         }`}
                                                                     >
-                                                                {member}
+                                                                        {member.name}
                                                                     </button>
                                                                 ))
                                                             )}
@@ -709,6 +857,8 @@ function AdminAlbumPhotos() {
                                                                 placeholder="컨셉명을 입력하세요"
                                                             />
                                                         </div>
+                                                    </>
+                                                )}
                                             </div>
 
                                             {/* 삭제 버튼 */}
@@ -726,41 +876,7 @@ function AdminAlbumPhotos() {
                     )}
                 </motion.div>
 
-                {/* 하단 액션 버튼 */}
+
-                {pendingFiles.length > 0 && (
-                    <motion.div
-                        initial={{ opacity: 0, y: 20 }}
-                        animate={{ opacity: 1, y: 0 }}
-                        className="mt-6 flex justify-end gap-4"
-                    >
-                        <button
-                            onClick={() => {
-                                pendingFiles.forEach(f => URL.revokeObjectURL(f.preview));
-                                setPendingFiles([]);
-                            }}
-                            className="px-6 py-2.5 text-gray-600 hover:text-gray-900 transition-colors"
-                        >
-                            취소
-                        </button>
-                        <button
-                            onClick={handleUpload}
-                            disabled={saving}
-                            className="flex items-center gap-2 px-6 py-2.5 bg-primary text-white rounded-lg hover:bg-primary-dark transition-colors disabled:opacity-50"
-                        >
-                            {saving ? (
-                                <>
-                                    <span className="w-4 h-4 border-2 border-white/30 border-t-white rounded-full animate-spin" />
-                                    업로드 중...
-                                </>
-                            ) : (
-                                <>
-                                    <Save size={18} />
-                                    {pendingFiles.length}개 사진 업로드
-                                </>
-                            )}
-                        </button>
-                    </motion.div>
-                )}
 
                 {/* 삭제 확인 다이얼로그 */}
                 <AnimatePresence>