feat: add recent plays history modal

- GET /api/me/recent endpoint returning last 50 play events with track
  and artist info
- RecentPlays modal component with time-ago display
- "Recent plays" button in user dropdown menu
- Clicking a track in history starts playback

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

furumi-node-player/client/src/furumiApi.ts

@@ -80,6 +80,19 @@ export async function getTrackInfo(trackSlug: string): Promise<TrackDetail | nul
   return res?.data ?? null
 }
 
+export type RecentPlay = {
+  track_slug: string
+  track_title: string
+  artist_name: string
+  album_slug: string | null
+  played_at: string
+}
+
+export async function getRecentPlays(): Promise<RecentPlay[] | null> {
+  const res = await furumiApi.get<RecentPlay[]>('/me/recent').catch(() => null)
+  return res?.data ?? null
+}
+
 export async function recordPlay(trackSlug: string): Promise<void> {
   await furumiApi.post(`/tracks/${trackSlug}/play`).catch(() => null)
 }