Support new fragment

[DHR60]

支持新分片配置

支持策略组，跳过已配置前置的节点

[2dust]

感谢 PR。
让 ai review 下，就直接合并了。

[Copilot]

Pull request overview

This PR updates how “fragment” is applied in generated V2ray configs, shifting from an extra “fragment outbound + dialerProxy chain” approach to using streamSettings.finalmask masks, and ensures policy-group/multi-outbound configs also receive fragment processing while skipping outbounds that already have a front proxy configured.

Changes:

• Apply fragment processing across all generated outbounds for normal and multiple/policy-group configs.
• Refactor updateOutboundFragment to operate per-outbound and write fragment/noise masks into streamSettings.finalmask, skipping outbounds that already use sockopt.dialerProxy.
• Update DTO models by removing legacy fragment/noises fields and expanding FinalMaskBean.MaskSettingsBean to support fragment/noise settings.

Reviewed changes

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

File	Description
V2rayNG/app/src/main/java/com/v2ray/ang/handler/V2rayConfigManager.kt	Applies fragment per-outbound during config generation; refactors fragment implementation to finalmask and adds skip logic for pre-proxied outbounds.
V2rayNG/app/src/main/java/com/v2ray/ang/dto/V2rayConfig.kt	Removes legacy outbound fragment/noise DTO fields and extends finalmask DTO settings to represent fragment/noise mask settings.

Comments suppressed due to low confidence (1)

V2rayNG/app/src/main/java/com/v2ray/ang/handler/V2rayConfigManager.kt:987

• fragmentOutbound is constructed here but never used (it’s not added to outbounds, and no fields are read). This is dead code and can also hide an intended behavior change; either remove the unused outbound creation or wire it into the config if it’s still required.

            val fragmentOutbound =
                OutboundBean(
                    protocol = AppConfig.PROTOCOL_FREEDOM,
                    tag = AppConfig.TAG_FRAGMENT,
                    mux = null

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[DHR60]

考虑到分片与 streamSettings Tls 强相关，将由 populateTlsSettings 调用 updateOutboundFragment

[DHR60]

好像有点问题来着，链式没跳过，部分 finalmask 意外跳过

[2dust]

好像有点问题来着，链式没跳过，部分 finalmask 意外跳过

要继续处理吗？

[DHR60]

好像有点问题来着，链式没跳过，部分 finalmask 意外跳过

要继续处理吗？

懒了，不动了先

链式没问题，早上没注意看，GenMoreOutbound 已经有分片跳过逻辑了

finalmask 目前还是只影响 hy2 with salamander 和 kcp，删除了这两个的 udp noise 行为