fix(runtime): UDP 不回退 TCP-only 且 dial 失败短期排除#27
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- pick_in_group 对 UDP 仅保留具备 UDP 能力的成员 - dial 失败 mark_temp_dead，选点跳过坏节点 - chain 运行时返回空选择，避免静默单跳
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@copilot resolve the merge conflicts in this pull request |
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@copilot resolve the merge conflicts in this pull request |
MiChongs
enabled auto-merge (squash)
July 22, 2026 08:45
MiChongs
disabled auto-merge
July 22, 2026 09:14
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@copilot resolve the merge conflicts in this pull request |
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背景
UDP 选路在过滤无 UDP 能力节点后仍回退任意成员；dial 失败后 Manual/粘性策略会反复撞同一坏节点；chain 会静默单跳。
实现
or_else回退 TCP-onlypick_chain返回 None安全与兼容边界
验证
cargo test -p core-runtime