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  "run_manifest_sha256": "ae511b74be3eb5dd55a30b587ab55c32f072fffd106633e0a6a645bc05d1106e",
  "limitations": [
    "server metric counts successful body writes, not client-consumed bytes",
    "loopback timings are not WAN performance",
    "end-of-process file footprint is not peak temporary space or Windows VHDX allocation"
  ],
  "host_version_capture": {
    "captured_utc": "2026-10-02T10:06:20.0381503Z",
    "scope": "Same host after primary measurement and reader replay; version verification, not a pre-run snapshot",
    "windows_build": "26200.9457",
    "wsl_version": "2.7.12.0"
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  "host_machine_capture": {
    "captured_utc": "2026-10-02T07:27:37.6446931Z",
    "cpu": [
      "AMD Ryzen 7 7800X3D 8-Core Processor"
    ],
    "windows_reported_physical_memory_bytes": 15978164224,
    "memory_scope": "Windows-reported physical RAM; not a WSL guest memory limit or sampled free memory."
  },
  "http_field_scope": "HTTP response metrics apply only to the loopback external-URL study; null means unmeasured for the real Hub study.",
  "rss_field_scope": "peak_rss_kib in rows/groups is ru_maxrss captured by an atexit callback after explicit cleanup, including imports. Separate 50 ms /proc VmHWM samples are retained in wrappers; this callback value is not a claim about the entire remaining interpreter shutdown."
}
