feat(frontend): PC 일정 상세 페이지 추가

- 유튜브 카테고리 상세 페이지 구현 (영상 임베드 + 정보)
- 숏츠/일반 영상 레이아웃 분리
- 브레드크럼 네비게이션 적용

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

frontend/src/App.jsx

@@ -13,6 +13,7 @@ import PCAlbumDetail from './pages/pc/public/AlbumDetail';
 import PCAlbumGallery from './pages/pc/public/AlbumGallery';
 import PCTrackDetail from './pages/pc/public/TrackDetail';
 import PCSchedule from './pages/pc/public/Schedule';
+import PCScheduleDetail from './pages/pc/public/ScheduleDetail';
 import PCNotFound from './pages/pc/public/NotFound';
 
 // 모바일 페이지
@@ -84,6 +85,7 @@ function App() {
                                 <Route path="/album/:name/gallery" element={<PCAlbumGallery />} />
                                 <Route path="/album/:name/track/:trackTitle" element={<PCTrackDetail />} />
                                 <Route path="/schedule" element={<PCSchedule />} />
+                                <Route path="/schedule/:id" element={<PCScheduleDetail />} />
                                 <Route path="*" element={<PCNotFound />} />
                             </Routes>
                         </PCLayout>

frontend/src/pages/pc/public/Schedule.jsx

@@ -354,6 +354,12 @@ function Schedule() {
 
     // 일정 클릭 핸들러
     const handleScheduleClick = (schedule) => {
+        // 유튜브 카테고리(id=2)는 상세 페이지로 이동
+        if (schedule.category_id === 2) {
+            navigate(`/schedule/${schedule.id}`);
+            return;
+        }
+
         // 설명이 없고 URL만 있으면 바로 링크 열기
         if (!schedule.description && schedule.source_url) {
             window.open(schedule.source_url, '_blank');

frontend/src/pages/pc/public/ScheduleDetail.jsx

@@ -0,0 +1,316 @@
+import { useParams, Link } from 'react-router-dom';
+import { useQuery } from '@tanstack/react-query';
+import { motion } from 'framer-motion';
+import { Clock, Calendar, ExternalLink, ChevronRight, Link2 } from 'lucide-react';
+import { getSchedule } from '../../../api/public/schedules';
+
+// 카테고리 ID 상수
+const CATEGORY_ID = {
+    YOUTUBE: 2,
+    X: 3,
+    ALBUM: 4,
+    FANSIGN: 5,
+    CONCERT: 6,
+    TICKET: 7,
+};
+
+// HTML 엔티티 디코딩 함수
+const decodeHtmlEntities = (text) => {
+    if (!text) return '';
+    const textarea = document.createElement('textarea');
+    textarea.innerHTML = text;
+    return textarea.value;
+};
+
+// 유튜브 비디오 ID 추출
+const extractYoutubeVideoId = (url) => {
+    if (!url) return null;
+    const shortMatch = url.match(/youtu\.be\/([a-zA-Z0-9_-]{11})/);
+    if (shortMatch) return shortMatch[1];
+    const watchMatch = url.match(/youtube\.com\/watch\?v=([a-zA-Z0-9_-]{11})/);
+    if (watchMatch) return watchMatch[1];
+    const shortsMatch = url.match(/youtube\.com\/shorts\/([a-zA-Z0-9_-]{11})/);
+    if (shortsMatch) return shortsMatch[1];
+    return null;
+};
+
+// 날짜 포맷팅
+const formatFullDate = (dateStr) => {
+    if (!dateStr) return '';
+    const date = new Date(dateStr);
+    const dayNames = ['일', '월', '화', '수', '목', '금', '토'];
+    return `${date.getFullYear()}. ${date.getMonth() + 1}. ${date.getDate()}. (${dayNames[date.getDay()]})`;
+};
+
+// 시간 포맷팅
+const formatTime = (timeStr) => {
+    if (!timeStr) return null;
+    return timeStr.slice(0, 5);
+};
+
+// 영상 정보 컴포넌트 (공통)
+function VideoInfo({ schedule, isShorts }) {
+    return (
+        <div className={`bg-gradient-to-br from-gray-50 to-gray-100/50 rounded-2xl p-6 ${isShorts ? 'flex-1' : ''}`}>
+            {/* 제목 */}
+            <h1 className={`font-bold text-gray-900 mb-4 leading-relaxed ${isShorts ? 'text-lg' : 'text-xl'}`}>
+                {decodeHtmlEntities(schedule.title)}
+            </h1>
+
+            {/* 메타 정보 */}
+            <div className={`flex flex-wrap items-center gap-4 text-sm ${isShorts ? 'gap-3' : ''}`}>
+                {/* 날짜 */}
+                <div className="flex items-center gap-1.5 text-gray-500">
+                    <Calendar size={14} />
+                    <span>{formatFullDate(schedule.date)}</span>
+                </div>
+
+                {/* 시간 */}
+                {schedule.time && (
+                    <>
+                        <div className="w-px h-4 bg-gray-300" />
+                        <div className="flex items-center gap-1.5 text-gray-500">
+                            <Clock size={14} />
+                            <span>{formatTime(schedule.time)}</span>
+                        </div>
+                    </>
+                )}
+
+                {/* 채널명 */}
+                {schedule.source_name && (
+                    <>
+                        <div className="w-px h-4 bg-gray-300" />
+                        <div className="flex items-center gap-2 text-gray-500">
+                            <Link2 size={14} className="opacity-60" />
+                            <span className="font-medium">{schedule.source_name}</span>
+                        </div>
+                    </>
+                )}
+            </div>
+
+            {/* 유튜브에서 보기 버튼 */}
+            <div className="mt-6 pt-5 border-t border-gray-200">
+                <a
+                    href={schedule.source_url}
+                    target="_blank"
+                    rel="noopener noreferrer"
+                    className="inline-flex items-center gap-2 px-5 py-2.5 bg-red-500 hover:bg-red-600 text-white rounded-xl font-medium transition-colors shadow-lg shadow-red-500/20"
+                >
+                    <svg className="w-5 h-5" viewBox="0 0 24 24" fill="currentColor">
+                        <path d="M23.498 6.186a3.016 3.016 0 0 0-2.122-2.136C19.505 3.545 12 3.545 12 3.545s-7.505 0-9.377.505A3.017 3.017 0 0 0 .502 6.186C0 8.07 0 12 0 12s0 3.93.502 5.814a3.016 3.016 0 0 0 2.122 2.136c1.871.505 9.376.505 9.376.505s7.505 0 9.377-.505a3.015 3.015 0 0 0 2.122-2.136C24 15.93 24 12 24 12s0-3.93-.502-5.814zM9.545 15.568V8.432L15.818 12l-6.273 3.568z"/>
+                    </svg>
+                    YouTube에서 보기
+                </a>
+            </div>
+        </div>
+    );
+}
+
+// 유튜브 섹션 컴포넌트
+function YoutubeSection({ schedule }) {
+    const videoId = extractYoutubeVideoId(schedule.source_url);
+    const isShorts = schedule.source_url?.includes('/shorts/');
+
+    if (!videoId) return null;
+
+    // 숏츠: 가로 레이아웃 (영상 + 정보)
+    if (isShorts) {
+        return (
+            <div className="flex gap-6 items-start">
+                {/* 영상 임베드 */}
+                <motion.div
+                    initial={{ opacity: 0, scale: 0.98 }}
+                    animate={{ opacity: 1, scale: 1 }}
+                    transition={{ delay: 0.1 }}
+                    className="w-[420px] flex-shrink-0"
+                >
+                    <div className="relative aspect-[9/16] bg-gray-900 rounded-2xl overflow-hidden shadow-2xl shadow-black/20">
+                        <iframe
+                            src={`https://www.youtube.com/embed/${videoId}?rel=0`}
+                            title={schedule.title}
+                            allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture"
+                            allowFullScreen
+                            className="absolute inset-0 w-full h-full"
+                        />
+                    </div>
+                </motion.div>
+
+                {/* 영상 정보 카드 */}
+                <motion.div
+                    initial={{ opacity: 0, x: 10 }}
+                    animate={{ opacity: 1, x: 0 }}
+                    transition={{ delay: 0.2 }}
+                    className="flex-1"
+                >
+                    <VideoInfo schedule={schedule} isShorts={true} />
+                </motion.div>
+            </div>
+        );
+    }
+
+    // 일반 영상: 세로 레이아웃 (영상 위, 정보 아래)
+    return (
+        <div className="space-y-6">
+            {/* 영상 임베드 */}
+            <motion.div
+                initial={{ opacity: 0, scale: 0.98 }}
+                animate={{ opacity: 1, scale: 1 }}
+                transition={{ delay: 0.1 }}
+                className="w-full"
+            >
+                <div className="relative aspect-video bg-gray-900 rounded-2xl overflow-hidden shadow-2xl shadow-black/20">
+                    <iframe
+                        src={`https://www.youtube.com/embed/${videoId}?rel=0`}
+                        title={schedule.title}
+                        allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture"
+                        allowFullScreen
+                        className="absolute inset-0 w-full h-full"
+                    />
+                </div>
+            </motion.div>
+
+            {/* 영상 정보 카드 */}
+            <motion.div
+                initial={{ opacity: 0, y: 10 }}
+                animate={{ opacity: 1, y: 0 }}
+                transition={{ delay: 0.2 }}
+            >
+                <VideoInfo schedule={schedule} isShorts={false} />
+            </motion.div>
+        </div>
+    );
+}
+
+// 기본 섹션 컴포넌트 (다른 카테고리용)
+function DefaultSection({ schedule }) {
+    return (
+        <div className="space-y-6">
+            {/* 제목 */}
+            <h1 className="text-2xl font-bold text-gray-900 leading-relaxed">
+                {decodeHtmlEntities(schedule.title)}
+            </h1>
+
+            {/* 메타 정보 */}
+            <div className="flex flex-wrap items-center gap-4 text-sm text-gray-500">
+                <div className="flex items-center gap-1.5">
+                    <Calendar size={16} />
+                    <span>{formatFullDate(schedule.date)}</span>
+                </div>
+                {schedule.time && (
+                    <div className="flex items-center gap-1.5">
+                        <Clock size={16} />
+                        <span>{formatTime(schedule.time)}</span>
+                    </div>
+                )}
+            </div>
+
+            {/* 설명 */}
+            {schedule.description && (
+                <div className="bg-gray-50 rounded-2xl p-6">
+                    <p className="text-gray-700 whitespace-pre-wrap leading-relaxed">
+                        {decodeHtmlEntities(schedule.description)}
+                    </p>
+                </div>
+            )}
+
+            {/* 원본 링크 */}
+            {schedule.source_url && (
+                <a
+                    href={schedule.source_url}
+                    target="_blank"
+                    rel="noopener noreferrer"
+                    className="inline-flex items-center gap-2 px-5 py-2.5 bg-gray-900 hover:bg-gray-800 text-white rounded-xl font-medium transition-colors"
+                >
+                    <ExternalLink size={16} />
+                    원본 보기
+                </a>
+            )}
+        </div>
+    );
+}
+
+function ScheduleDetail() {
+    const { id } = useParams();
+
+    const { data: schedule, isLoading, error } = useQuery({
+        queryKey: ['schedule', id],
+        queryFn: () => getSchedule(id),
+    });
+
+    if (isLoading) {
+        return (
+            <div className="min-h-[calc(100vh-64px)] flex items-center justify-center bg-gray-50">
+                <div className="w-10 h-10 border-3 border-primary border-t-transparent rounded-full animate-spin" />
+            </div>
+        );
+    }
+
+    if (error || !schedule) {
+        return (
+            <div className="min-h-[calc(100vh-64px)] flex flex-col items-center justify-center bg-gray-50">
+                <div className="text-center">
+                    <div className="text-6xl mb-4">😢</div>
+                    <p className="text-gray-500 mb-6">일정을 찾을 수 없습니다</p>
+                    <Link
+                        to="/schedule"
+                        className="px-6 py-3 bg-primary hover:bg-primary-dark text-white rounded-xl font-medium transition-colors"
+                    >
+                        일정 목록으로
+                    </Link>
+                </div>
+            </div>
+        );
+    }
+
+    // 카테고리별 섹션 렌더링
+    const renderCategorySection = () => {
+        switch (schedule.category_id) {
+            case CATEGORY_ID.YOUTUBE:
+                return <YoutubeSection schedule={schedule} />;
+            default:
+                return <DefaultSection schedule={schedule} />;
+        }
+    };
+
+    const isYoutube = schedule.category_id === CATEGORY_ID.YOUTUBE;
+
+    return (
+        <div className="min-h-[calc(100vh-64px)] bg-gray-50">
+            <div className={`${isYoutube ? 'max-w-5xl' : 'max-w-3xl'} mx-auto px-6 py-8`}>
+                {/* 브레드크럼 네비게이션 */}
+                <motion.div
+                    initial={{ opacity: 0, y: -10 }}
+                    animate={{ opacity: 1, y: 0 }}
+                    className="flex items-center gap-2 text-sm text-gray-500 mb-8"
+                >
+                    <Link to="/schedule" className="hover:text-primary transition-colors">
+                        일정
+                    </Link>
+                    <ChevronRight size={14} />
+                    <span
+                        className="hover:text-primary transition-colors"
+                        style={{ color: schedule.category_color }}
+                    >
+                        {schedule.category_name}
+                    </span>
+                    <ChevronRight size={14} />
+                    <span className="text-gray-700 font-medium truncate max-w-md">
+                        {decodeHtmlEntities(schedule.title)}
+                    </span>
+                </motion.div>
+
+                {/* 메인 컨텐츠 */}
+                <motion.div
+                    initial={{ opacity: 0, y: 20 }}
+                    animate={{ opacity: 1, y: 0 }}
+                    transition={{ delay: 0.05 }}
+                    className={`${isYoutube ? '' : 'bg-white rounded-3xl shadow-sm p-8'}`}
+                >
+                    {renderCategorySection()}
+                </motion.div>
+            </div>
+        </div>
+    );
+}
+
+export default ScheduleDetail;