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fix: 修正 Linux/macOS 中字符串风格字段的读取顺序 - #1
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Oct 5, 2026
#1 提交把非 Windows 平台一刀切改成 macOS ARM 的读法，等于对调了 Linux/Intel-mac 与 Apple-Silicon 的行为：mac ARM 修好了，Linux 反而读 不出 a2/d2/d2key。 实测两平台的 SessionForNt 字段布局，长度都在 +8，只有指针位置不同： A 型（Linux x64 / Intel macOS）：+0 容量、+8 长度、+0x10 指针 B 型（Apple Silicon） ：+0 指针、+8 长度、+0x10 容量/标志 改为不按平台猜，而是两个候选指针都试、按内容打分挑出更像 key 的 （全 hex ASCII 优先），单个平台 ABI 再变也不会整片崩。实例选择同步 改为打分制（d2key 有效 +2、a2/d2 可读各 +1），取字段最全的候选。 为可测性抽出 FieldMem 接口与 score_key_bytes，新增 7 组单测，其中 两组以 Linux 实测值与你提供的 mac ARM heapdump 快照为回归基准；已反向 验证：把逻辑改回任一方向的'按平台猜'，对应测试即失败。
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修正 Linux/macOS 中字符串风格字段的读取顺序
Linux/macOS：
+0为数据指针、+8为长度、+0x10为容量/标志