refactor(nowPlaying): co-locate now playing feature into features/nowPlaying

src/api/nowPlayingPresence.test.ts

@@ -1,29 +0,0 @@
-import { describe, expect, it } from 'vitest';
-import { nowPlayingPresence, NOW_PLAYING_IDLE_MINUTES } from './nowPlayingPresence';
-import type { SubsonicNowPlaying, PlaybackReportState } from './subsonicTypes';
-
-// The function only reads `state` and `minutesAgo`; cast a minimal fixture.
-function entry(partial: { state?: PlaybackReportState; minutesAgo?: number }): SubsonicNowPlaying {
-  return { minutesAgo: 0, ...partial } as SubsonicNowPlaying;
-}
-
-describe('nowPlayingPresence', () => {
-  it('maps live playbackReport state authoritatively', () => {
-    expect(nowPlayingPresence(entry({ state: 'playing' }))).toBe('playing');
-    expect(nowPlayingPresence(entry({ state: 'starting' }))).toBe('playing');
-    expect(nowPlayingPresence(entry({ state: 'paused' }))).toBe('paused');
-    expect(nowPlayingPresence(entry({ state: 'stopped' }))).toBe('idle');
-  });
-
-  it('live state wins over a stale minutesAgo', () => {
-    // A paused session last reported minutes ago is still "paused", not idle.
-    expect(nowPlayingPresence(entry({ state: 'paused', minutesAgo: 99 }))).toBe('paused');
-    expect(nowPlayingPresence(entry({ state: 'playing', minutesAgo: 99 }))).toBe('playing');
-  });
-
-  it('falls back to recency for legacy entries without a state', () => {
-    expect(nowPlayingPresence(entry({ minutesAgo: 0 }))).toBe('playing');
-    expect(nowPlayingPresence(entry({ minutesAgo: NOW_PLAYING_IDLE_MINUTES }))).toBe('playing');
-    expect(nowPlayingPresence(entry({ minutesAgo: NOW_PLAYING_IDLE_MINUTES + 1 }))).toBe('idle');
-  });
-});

src/api/nowPlayingPresence.ts

@@ -1,34 +0,0 @@
-import type { SubsonicNowPlaying } from './subsonicTypes';
-
-/**
- * Derived liveness of a now-playing entry, surfaced as the indicator dot in the
- * "Who is listening?" popover. Unifies the two sources the server can provide:
- * the OpenSubsonic `playbackReport` transport state (Navidrome ≥ 0.62, when
- * present) and the classic `getNowPlaying` `minutesAgo` recency (legacy
- * fallback). This replaces rendering the raw "Nm ago" line.
- */
-export type NowPlayingPresence = 'playing' | 'paused' | 'idle';
-
-/**
- * Minutes since last activity beyond which a legacy entry (one without
- * playbackReport transport state) is treated as idle rather than actively
- * playing. Entries that carry a live `state` ignore this entirely.
- */
-export const NOW_PLAYING_IDLE_MINUTES = 5;
-
-/** Resolve the liveness an entry should display. Live `state` is authoritative;
- *  otherwise recency (`minutesAgo`) decides playing vs idle. */
-export function nowPlayingPresence(entry: SubsonicNowPlaying): NowPlayingPresence {
-  // playbackReport extension: trust the reported transport state.
-  switch (entry.state) {
-    case 'playing':
-    case 'starting':
-      return 'playing';
-    case 'paused':
-      return 'paused';
-    case 'stopped':
-      return 'idle';
-  }
-  // Legacy getNowPlaying: only recency is known. Recent = playing, stale = idle.
-  return entry.minutesAgo > NOW_PLAYING_IDLE_MINUTES ? 'idle' : 'playing';
-}