{
  "project": "gpu-pilot",
  "doc": "CLAUDE.md",
  "title": "Project Grounding (CLAUDE.md)",
  "oneline": "Self-contained context: hardware, data inventory, constraints, validation pairs, do-nots.",
  "tldr": [
    "Host geocoder (RTX 5080, 16 GB); RAPIDS 25.04 venv; DO NOT touch port 8030 (Second Brain Parser, 2 GB VRAM).",
    "Data: 535K res-9 + 3.75M res-10 H3 cells; MTA feed 511 as int32 parquets (2.2M stop_times); feed calendar expired -> service date 20260415.",
    "Validation ground truth: 5 OD pairs incl. Times Sq->JFK and the 08854->10001 NJT tri-state acceptance test.",
    "Living report + build log publish via raptor-design/publish_report.py at every milestone."
  ],
  "updated": "2026-06-26 05:18",
  "sections": [
    {
      "level": 1,
      "title": "CLAUDE.md \u2014 GPU Hex-Precompute Pipeline"
    },
    {
      "level": 2,
      "title": "What this project is"
    },
    {
      "level": 2,
      "title": "Hardware + environment"
    },
    {
      "level": 2,
      "title": "Directory tree"
    },
    {
      "level": 2,
      "title": "Architecture summary (from Fable 5's design)"
    },
    {
      "level": 2,
      "title": "Known risks (from the design risk register)"
    },
    {
      "level": 2,
      "title": "Performance targets"
    },
    {
      "level": 2,
      "title": "Map resolution contract (task #45 \u2014 audited 2026-06-26, AUTHORITATIVE)"
    },
    {
      "level": 2,
      "title": "Sprint plan (lift directly from `raptor-design/TODO.md`)"
    },
    {
      "level": 2,
      "title": "Validation OD pairs (ground truth)"
    },
    {
      "level": 2,
      "title": "Critical constraints \u2014 DO NOT"
    },
    {
      "level": 2,
      "title": "Living report + build log (keep updated!)"
    },
    {
      "level": 2,
      "title": "Reference reading order"
    },
    {
      "level": 2,
      "title": "Data pathology to remember"
    },
    {
      "level": 2,
      "title": "Off-host things to know about (don't depend on them being available)"
    },
    {
      "level": 2,
      "title": "CPU OTP reference endpoints (for GPU validation)"
    }
  ],
  "stats": {
    "lines": 227,
    "words": 2570
  },
  "html": "https://board.certihomes.com/project-docs/gpu-pilot/CLAUDE.html",
  "out_name": "CLAUDE.md",
  "comments_api": "https://board.certihomes.com/api/doc-comments?project=gpu-pilot&doc=CLAUDE.md"
}