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refactor(engine): ports 的上游复制段归零 - #282
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PEB 跨进程读取的偏移改由 32/64 位两张表按目标字长选择，不再用本机 镜像结构体的 unsafe.Offsetof 推导；UNICODE_STRING 头按目标字长解出长度 与缓冲区，UTF-16 解码与路径规范化同步重写。 行为不变：拒绝短读、空/奇数长度、空缓冲区与越界偏移的用例保留。 Co-Authored-By: Claude Code <noreply@anthropic.com>
ProcSample 按「启动身份 / 负载 / 状态」分组，DockerStatsEntry 按「容器 状态 / 负载」分组；Apply 把同一来源的字段合并赋值，行为不变。 Co-Authored-By: Claude Code <noreply@anthropic.com>
三项覆盖不变：ps 行里带空格的命令行只丢坏行、lstart 按本机时区解释、 显示名按运行器与语言分组取命令里真正标识服务的那一段。 Co-Authored-By: Claude Code <noreply@anthropic.com>
对照 26dbcae：总量 9,610 → 8,933 行 / 664 段、135 个文件（生产 3,564、 测试 5,369），internal/ports 整包归零。 Co-Authored-By: Claude Code <noreply@anthropic.com>
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这次做了什么
internal/ports按本项目的对象模型重写，审计（对照26dbcae）里这一包从 677 行降到 0：引擎总量 9,610 → 8,933 行 / 664 段 / 135 文件（生产 3,564，测试 5,369）。
怎么重写的
unsafe.Offsetof推导，改成按目标字长选择的两张 ABI 表；UNICODE_STRING头、UTF-16 解码与路径规范化一起重写。失败语义不变：短读、空/奇数长度、空缓冲区都拒绝，读不到的 pid 仍然缺省。ProcSample、DockerStatsEntry按「启动身份 / 负载 / 状态」重新分组，Apply合并同来源字段。ps进程表、tasklist、启动时间与显示名的用例按运行器/语言分组重述，覆盖不减少。Windows ABI 的常量属于事实，保留；改的是表达与结构，不是把同一份代码改个名字。文件路径未动，审计仍按同一相对路径对照上游。
验证
go vet ./...go test -count=1 -timeout=8m ./...（全绿）go test -race -count=1 ./internal/ports/GOOS=windows go vet ./internal/ports/、GOOS=windows GOARCH=arm64 go build ./...python3 scripts/audit-upstream-origin.py --upstream /tmp/sonar：ports 无输出，总量 8,933本机是 macOS，Windows 只做了交叉编译与 vet，没有原生运行 PEB 读取。
🤖 Generated with Claude Code