fix: YouTube 再生不具合の修正（YoutubeAudioSourceManager をコミュニティ保守版に移行）

[akubiusa]

Summary

• YouTube の player JS 変更により、dev.arbjerg:lavaplayer 組み込みの YoutubeAudioSourceManager がシグネチャ解析に失敗し YouTube 動画が再生できない問題を修正
• コミュニティが保守する dev.lavalink.youtube:v2:1.18.0 に置き換えることで、YouTube の API 変更に追従できるようにした

主な変更点

pom.xml

• lavalink-devs Maven リポジトリを追加
• dev.lavalink.youtube:v2:1.18.0 依存を追加

src/main/java/com/jaoafa/jaotone/player/PlayerManager.java

• import を com.sedmelluq.discord.lavaplayer.source.youtube.YoutubeAudioSourceManager から dev.lavalink.youtube.YoutubeAudioSourceManager に変更
• dev.lavalink.youtube.clients.skeleton.Client を import に追加
• registerSourceManager の引数に MusicWithThumbnail、WebWithThumbnail、AndroidWithThumbnail クライアントを設定（複数クライアントへのフォールバックで安定性向上）

テスト結果

• mvn -B package によりビルド成功を確認済み

• Closes YouTube動画が再生されない #118

[Copilot]

Pull request overview

YouTube 側の player JS 変更で dev.arbjerg:lavaplayer 内蔵の YouTube ソースがシグネチャ解析に失敗し再生できない問題（#118）に対し、コミュニティ保守の YouTube ソース実装へ差し替えて追従性を上げる PR です。

Changes:

• Maven に lavalink-devs リポジトリを追加し、dev.lavalink.youtube の依存を追加
• PlayerManager の YouTube SourceManager を dev.lavalink.youtube.YoutubeAudioSourceManager に置換
• 複数クライアント（Music/Web/Android）を登録してフォールバック可能に

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 2 comments.

File	Description
pom.xml	lavalink-devs リポジトリ追加と dev.lavalink.youtube 依存追加
src/main/java/com/jaoafa/jaotone/player/PlayerManager.java	YouTube SourceManager をコミュニティ保守版へ切替＋複数クライアント設定

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[github-actions]

Qodana for JVM

It seems all right 👌

No new problems were found according to the checks applied

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[akubiusa]

Code review

Found 3 issues:

1. Unnecessary comment in pom.xml (as noted by book000: "このコメントは要らない")

jaoTone/pom.xml

Lines 116 to 120 in 9ac98c6

	</dependency>
	<!-- YouTube の API 変更に追従するコミュニティ保守版ソースマネージャー（lavaplayer 2.x 対応） -->
	<dependency>
	<groupId>dev.lavalink.youtube</groupId>
	<artifactId>v2</artifactId>

2. Unnecessary comment in PlayerManager.java (as noted by book000: "このコメントもいらない")

jaoTone/src/main/java/com/jaoafa/jaotone/player/PlayerManager.java

Lines 46 to 53 in 9ac98c6

	playerManager = new DefaultAudioPlayerManager();
	// YouTube の API 変更に追従するコミュニティ保守版ソースマネージャーを使用
	playerManager.registerSourceManager(new YoutubeAudioSourceManager(
	true,
	new dev.lavalink.youtube.clients.skeleton.Client[]{
	new MusicWithThumbnail(), new WebWithThumbnail(), new AndroidWithThumbnail()
	}
	));

3. dev.lavalink.youtube.clients.skeleton.Client is used as a fully qualified name inline while other client types in the same expression are imported by simple name — inconsistent style. Either add import dev.lavalink.youtube.clients.skeleton.Client; and use Client[], or check if the constructor accepts varargs to remove the explicit array construction. Additionally, the new dev.lavalink.youtube.* imports are inserted in the middle of the com.sedmelluq.* block rather than in a separate group.

jaoTone/src/main/java/com/jaoafa/jaotone/player/PlayerManager.java

Lines 15 to 20 in 9ac98c6

	import com.sedmelluq.discord.lavaplayer.source.vimeo.VimeoAudioSourceManager;
	import dev.lavalink.youtube.YoutubeAudioSourceManager;
	import dev.lavalink.youtube.clients.AndroidWithThumbnail;
	import dev.lavalink.youtube.clients.MusicWithThumbnail;
	import dev.lavalink.youtube.clients.WebWithThumbnail;
	import com.sedmelluq.discord.lavaplayer.tools.FriendlyException;

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