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Independent six-observation diagnostic; preserve the original v1 cost failure. Reviewed local tree: 10542c04a569605b416c074a3780f409da84f887. Measured local source: ff0d7caca138b91683f16ce8d748eea6fbb289b7. Published tree is byte-identical to the final Standards/Spec reviewed tree.
1 of 6 tasks
Preserve the first missing-psutil CI failures. Clean Python reproduces the error; fixed requirements give 4/4 native/accounting and 36/36 measurement tests. Reviewed local commit: 769c84eba37a4ab49ac0abf7d6402596123c4db1. Measurement code and retained six observations are unchanged.
This was referenced Oct 27, 2026
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#54 首次 hosted 成本批次只记录内部CPU，无法分开子进程启动/准备/校验与执行器工作。本PR增加独立的完整子进程CPU、runner CPU和全机计数诊断，并保留一次预声明的六位置实际结果；原v1、112位置顺序、5%护栏和旧失败保持。
基于 Draft #105（目标分支
perf/grapheme-hosted-r54），本PR保持Draft。Windows CPython3.12、1–64逻辑CPU下使用退出前保留的进程句柄读取GetProcessTimes，90秒期限/清理5秒，原始流及失败保留、首错停止。非支持环境只跳过3个专属native测试，不缩小项目既有Python支持。固定六位置与全部证据：复用原审计的.3/.4 EXE，在明确共享Windows11宿主上执行一次
.3,.4,.4,.3,.3,.4interactive/chunk1/observe0/原2秒区间；6次输出正确、退出0，来源前后复核通过。区间外CPU 0.078125–0.109375s，runner 0–0.015625s，扣除后的余额34.578%–50.974%。它未做空闲资格筛选，不报告成本比，不反推旧hosted原因，没有成本验收样本。归档100053B、46份清单证据和16份原字节流；长/短/转义路径改为别名，子PID移除，原件保留local。原始/公开哈希分列；独立复核全机/进程/runner余额、原始JSON与完整oracle通过。实际执行源码ff0d7ca的6个执行文件哈希与发布版一致；初次发布树
2cde1081ac524f1e89e9c44ecf40d7c40cd403f6与初次审查树逐字节一致；CI修订发布树0c177e8d6094c31ad3151a5055ef91e08bd841fb与修订审查树一致。验证：measurement本地最终36/36（17.069s），归档离线复核通过；Standards最终0项剩余发现（修正native测试适用条件），Spec最终0项发现。首次
c76bab0的默认PR/push均通过；两条候选Windows CI因缺少psutil而失败，原日志保留，Linux为41通过/4跳过。修正工作流安装现有固定依赖；干净Python环境重现缺包后，新测试4/4、完整measurement36/36（19.266s）通过。执行源码与原六次观察未变，CI修订经Standards/Spec复核均0项发现；修订beeb64496b2e2898e8619fa5e9c39f490a3891c4的四条普通CI全部 success、attempt 1：默认PR、默认push均为 Windows46/46、Linux29/29；候选PR、候选push的measurement均为 Windows45/45、Linux41通过/4个明确平台跳过。PR实际检出371eb22de6a8327242687a1a71acbd09416b5ed5，树与最终审查树相同。普通回归与原成本失败分列，不据CI声明性能通过。Refs #54、#34。下一步另行预声明独立hosted边界诊断；完整受控A/B、allocator/projection和组件归因、预算提案及用户确认仍未完成。