v3: search engine, responsive header with compact user menu

api/services/playlist-service.ts

@@ -112,6 +112,26 @@ export function getPlaylist(
   return { ...playlist, dumps: visibleDumps };
 }
 
+export function searchPlaylists(
+  query: string,
+  limit: number,
+  requestingUserId?: string,
+): Playlist[] {
+  if (!query.trim()) return [];
+  const pattern = `%${query}%`;
+  const searchClause = `(p.title LIKE ? OR p.description LIKE ?)`;
+
+  const rows = requestingUserId
+    ? db.prepare(
+      `SELECT ${PLAYLIST_SELECT} WHERE (p.is_public = 1 OR p.user_id = ?) AND ${searchClause} ORDER BY p.created_at DESC LIMIT ?;`,
+    ).all(requestingUserId, pattern, pattern, limit)
+    : db.prepare(
+      `SELECT ${PLAYLIST_SELECT} WHERE p.is_public = 1 AND ${searchClause} ORDER BY p.created_at DESC LIMIT ?;`,
+    ).all(pattern, pattern, limit);
+
+  return rows.filter(isPlaylistRow).map(playlistRowToApi);
+}
+
 export function listPlaylistsByUser(
   userId: string,
   requestingUserId: string | null,