feat: Album-Cover-Anzeige in Titelliste mit Tooltip hinzugefügt

- Neue Spalte 'Cover' in der Curator-Titelliste zeigt an, ob ein Album-Cover vorhanden ist
- Tooltip zeigt das Cover-Bild beim Hovern über die Cover-Spalte
- Übersetzungen für DE und EN hinzugefügt

app/curator/CuratorPageClient.tsx

@@ -22,6 +22,7 @@ interface Song {
     filename: string;
     createdAt: string;
     releaseYear: number | null;
+    coverImage: string | null;
     activations?: number;
     puzzles?: any[];
     genres: Genre[];
@@ -128,6 +129,7 @@ export default function CuratorPageClient() {
     const [itemsPerPage, setItemsPerPage] = useState(10);
     const [playingSongId, setPlayingSongId] = useState<number | null>(null);
     const [audioElement, setAudioElement] = useState<HTMLAudioElement | null>(null);
+    const [hoveredCoverSongId, setHoveredCoverSongId] = useState<number | null>(null);
     
     // Comments state
     const [comments, setComments] = useState<CuratorComment[]>([]);
@@ -1663,6 +1665,7 @@ export default function CuratorPageClient() {
                                         >
                                             {t('columnYear')} {sortField === 'releaseYear' && (sortDirection === 'asc' ? '↑' : '↓')}
                                         </th>
+                                        <th style={{ padding: '0.5rem' }}>{t('columnCover')}</th>
                                         <th style={{ padding: '0.5rem' }}>{t('columnGenresSpecials')}</th>
                                         <th
                                             style={{ padding: '0.5rem', cursor: 'pointer' }}
@@ -1778,6 +1781,48 @@ export default function CuratorPageClient() {
                                                         '-'
                                                     )}
                                                 </td>
+                                                <td 
+                                                    style={{ 
+                                                        padding: '0.5rem', 
+                                                        textAlign: 'center',
+                                                        position: 'relative',
+                                                        cursor: song.coverImage ? 'pointer' : 'default'
+                                                    }}
+                                                    onMouseEnter={() => song.coverImage && setHoveredCoverSongId(song.id)}
+                                                    onMouseLeave={() => setHoveredCoverSongId(null)}
+                                                >
+                                                    {song.coverImage ? '✓' : '-'}
+                                                    {hoveredCoverSongId === song.id && song.coverImage && (
+                                                        <div
+                                                            style={{
+                                                                position: 'absolute',
+                                                                top: '100%',
+                                                                left: '50%',
+                                                                transform: 'translateX(-50%)',
+                                                                marginTop: '0.5rem',
+                                                                zIndex: 1000,
+                                                                padding: '0.5rem',
+                                                                background: 'white',
+                                                                border: '1px solid #d1d5db',
+                                                                borderRadius: '0.5rem',
+                                                                boxShadow: '0 4px 6px -1px rgba(0, 0, 0, 0.1)',
+                                                                pointerEvents: 'none',
+                                                            }}
+                                                        >
+                                                            <img
+                                                                src={`/uploads/covers/${song.coverImage}`}
+                                                                alt={`Cover für ${song.title}`}
+                                                                style={{
+                                                                    width: '200px',
+                                                                    height: '200px',
+                                                                    objectFit: 'cover',
+                                                                    borderRadius: '0.25rem',
+                                                                    display: 'block',
+                                                                }}
+                                                            />
+                                                        </div>
+                                                    )}
+                                                </td>
                                                 <td style={{ padding: '0.5rem' }}>
                                                     {isEditing ? (
                                                         <div style={{ display: 'flex', flexDirection: 'column', gap: '0.25rem' }}>

messages/de.json

@@ -231,6 +231,7 @@
     "columnTitle": "Titel",
     "columnArtist": "Artist",
     "columnYear": "Jahr",
+    "columnCover": "Cover",
     "columnGenresSpecials": "Genres / Specials",
     "columnAdded": "Hinzugefügt",
     "columnActivations": "Aktivierungen",

messages/en.json

@@ -231,6 +231,7 @@
     "columnTitle": "Title",
     "columnArtist": "Artist",
     "columnYear": "Year",
+    "columnCover": "Cover",
     "columnGenresSpecials": "Genres / Specials",
     "columnAdded": "Added",
     "columnActivations": "Activations",