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        <title>Object Lock 复制排序</title>
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        <description>保留期、legal hold 及其删除在副本写入和跨池处理中都是独立排序的状态。</description>
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        <title>SSE-C 副本完整性</title>
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        <description>原始密文、逻辑分段大小、重传与压缩排除共同构成副本契约。</description>
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        <title>持久化 IAM 撤销</title>
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        <description>持久删除版本、签名父边界、安全重放、协调升级以及 IAM 恢复限制。</description>
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        <title>多池对象一致性</title>
        <link>https://silo.pgsty.com/zh/blog/design/multi-pool-object-consistency/</link>
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        <description>先在共享锁下选择一个逻辑对象，再判断条件或合并标签和 Object Lock 状态。</description>
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        <title>联邦 CopyObject：保持目标对象契约</title>
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        <description>旧 etcd 联邦须转发逻辑字节，保留目标加密及 Object Lock 规则，并返回实际提交写入的身份。</description>
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