feat(music): add Kugou (酷狗音乐) as a music source (#69)

Adds a self-contained Kugou provider (bilibili-style: direct API calls, no
embedded API server, no new npm dependency) plus full backend + WebUI wiring.

Provider (src/music/kugou.ts): search, song-url (with device registration),
lyrics (KRC decode), song detail, playlist, album, personal FM, QR login +
cookie persistence, and quality. Request signing / crypto / KRC decoding are
ported from the MIT-licensed MakcRe/KuGouMusicApi using Node's built-in
crypto and zlib (no third-party crypto packages).

Wiring: the "kugou" platform is threaded through the provider contract, queue,
play-history, bot instance/manager dispatch (getProviderFor + the -k command
flag), index/server composition, the music/player/auth routers (unified
/search/all, /quality, the platform coercions, QR login), the cookie store,
and the WebUI (search source tab + badge, SongCard badge, brand token, and a
Kugou QR/cookie login card in Settings).

Verified live during development: search, lyrics, and album playback resolve
correctly. NOT verifiable in CI (Kugou anti-bot blocks the build host's IP):
play-URL resolution, QR login, and VIP audio — these are built faithfully to
the reference and need end-to-end testing on a non-flagged IP / a Kugou
account. See the header comment in kugou.ts.

Includes src/music/kugou.test.ts (mappers + KRC→LRC). An adversarial review
pass fixed: pagination truncating on filtered counts, an ms/seconds duration
heuristic, dfid soft-fail caching, the /v5/url random-dfid fallback, the FM
body identity, and an unguarded nickname decode.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
saopig1andClaude Opus 4.8 committed 2026-06-30 18:55:41 +08:00
1 parent af326a37b7
commit a12c419dd2
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@@ -7,8 +7,8 @@
<span class="song-name">{{ song.name }}</span>
<span
class="platform-badge"
:class="song.platform === 'bilibili' ? 'badge-bilibili' : song.platform === 'qq' ? 'badge-qq' : song.platform === 'youtube' ? 'badge-youtube' : song.platform === 'local' ? 'badge-local' : 'badge-netease'"
>{{ song.platform === 'bilibili' ? 'B站' : song.platform === 'qq' ? 'QQ' : song.platform === 'youtube' ? 'YouTube' : song.platform === 'local' ? '本地' : '网易云' }}</span>
:class="song.platform === 'bilibili' ? 'badge-bilibili' : song.platform === 'qq' ? 'badge-qq' : song.platform === 'youtube' ? 'badge-youtube' : song.platform === 'local' ? 'badge-local' : song.platform === 'kugou' ? 'badge-kugou' : 'badge-netease'"
>{{ song.platform === 'bilibili' ? 'B站' : song.platform === 'qq' ? 'QQ' : song.platform === 'youtube' ? 'YouTube' : song.platform === 'local' ? '本地' : song.platform === 'kugou' ? '酷狗' : '网易云' }}</span>
</div>
<div class="song-artist">{{ song.artist }}</div>
</div>
@@ -140,6 +140,11 @@ function formatDuration(seconds: number): string {
color: var(--color-primary);
}
.badge-kugou {
background: var(--brand-kugou-12);
color: var(--brand-kugou);
}
.song-artist {
font-size: 12px;
color: var(--text-secondary);