fix: TypeScript build errors in Settings and Statistics (count→n, relativeTime t type)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/pages/Settings.tsx

@@ -345,7 +345,7 @@ export default function Settings() {
                       <div style={{ fontWeight: 600, fontSize: 14 }}>@{auth.lastfmUsername}</div>
                       {lfmUserInfo && (
                         <div style={{ fontSize: 12, color: 'var(--text-muted)', marginTop: 2, display: 'flex', gap: '0.75rem' }}>
-                          <span>{t('settings.lfmScrobbles', { count: lfmUserInfo.playcount.toLocaleString() })}</span>
+                          <span>{t('settings.lfmScrobbles', { n: lfmUserInfo.playcount.toLocaleString() })}</span>
                           <span>{t('settings.lfmMemberSince', { year: new Date(lfmUserInfo.registeredAt * 1000).getFullYear() })}</span>
                         </div>
                       )}

src/pages/Statistics.tsx

@@ -5,7 +5,8 @@ import { useTranslation } from 'react-i18next';
 import { useAuthStore } from '../store/authStore';
 import { lastfmIsConfigured, lastfmGetTopArtists, lastfmGetTopAlbums, lastfmGetTopTracks, lastfmGetRecentTracks, LastfmPeriod, LastfmTopArtist, LastfmTopAlbum, LastfmTopTrack, LastfmRecentTrack } from '../api/lastfm';
 
-function relativeTime(timestamp: number, t: (key: string, opts?: object) => string): string {
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+function relativeTime(timestamp: number, t: (key: string, opts?: any) => string): string {
   const diff = Math.floor(Date.now() / 1000) - timestamp;
   if (diff < 60) return t('statistics.lfmJustNow');
   if (diff < 3600) return t('statistics.lfmMinutesAgo', { n: Math.floor(diff / 60) });