Release 4.2.3

What's Changed

• chore(core): bump sing-box 1.14.0-alpha.41 to alpha.42 by @Sway-Chan in #288
• chore(core): bump sing-box 1.14.0-alpha.42 to alpha.43 by @Sway-Chan in #289
• feat(home): AI 节点解锁检测 + 节点变更延迟重启（待应用差集） by @Sway-Chan in #291
• feat(update): App 更新弹窗重设计为 Conduit mini 更新窗 by @Sway-Chan in #292
• fix(audit): 修复 #291 合并后审计发现（兜底直连泄漏 / 陈旧重启 / unlock 误判 等） by @Sway-Chan in #293

Full Changelog: v4.2.2...v4.2.3