{
  "schema_version": 1,
  "diagram_type": "timeline",
  "meta": {
    "title": "ctos — evolution rail",
    "output": "ctos-evolution.timeline.html",
    "quality_profile": "showcase",
    "orientation": "horizontal",
    "honesty": "Documented aid until ctos.artof.link probe; not Live product status"
  },
  "eras": [
    { "id": "foundations", "label": "Foundations", "from": "2026-08", "to": "2026-09-10" },
    { "id": "isolation", "label": "EL0 isolation", "from": "2026-09-12", "to": "2026-09-19" },
    { "id": "docs", "label": "Docs honesty", "from": "2026-09-19", "to": "2026-09-21" }
  ],
  "milestones": [
    {
      "id": "m-vision",
      "date": "2026-08",
      "era": "foundations",
      "title": "AArch64 ctsOS",
      "summary": "Primary ISA + honesty harness",
      "href": "../01-vision/product-vision.html",
      "tag": "origin"
    },
    {
      "id": "m-el0",
      "date": "2026-09-12",
      "era": "isolation",
      "title": "Standing EL0",
      "summary": "SVC ABI · loader · VFS",
      "href": "../03-adr/ADR-024-standing-el0-normal.html",
      "tag": "isolation"
    },
    {
      "id": "m-pan",
      "date": "2026-09-19",
      "era": "isolation",
      "title": "PAN reopen",
      "summary": "ADR-079/080 enable + fault",
      "href": "../03-adr/ADR-080-pan-enable-fault.html",
      "tag": "isolation"
    },
    {
      "id": "m-serror",
      "date": "2026-09-19",
      "era": "isolation",
      "title": "Taken SError pin",
      "summary": "ADR-083 QEMU TYPE_NMI",
      "href": "../03-adr/ADR-083-b1-qemu-nmi-pin.html",
      "tag": "qemu"
    },
    {
      "id": "m-net",
      "date": "2026-09-19",
      "era": "isolation",
      "title": "Thin TCP / UDP",
      "summary": "EL0 net demos",
      "href": "../framework/syscall.html",
      "tag": "net"
    },
    {
      "id": "m-archify",
      "date": "2026-09-20",
      "era": "docs",
      "title": "Archify on Pages",
      "summary": "Same-origin /archify/",
      "href": "../archify/index.html",
      "tag": "docs"
    },
    {
      "id": "m-chronify",
      "date": "2026-09-21",
      "era": "docs",
      "title": "Chronify rail",
      "summary": "Dated evolution IR",
      "href": "./index.html",
      "tag": "docs"
    }
  ],
  "cards": [
    {
      "dot": "cyan",
      "title": "How to read",
      "items": [
        "Curated milestones — not every ADR",
        "Nodes jump into the book",
        "Documented ≠ Live / not EL0-isolated claim"
      ]
    },
    {
      "dot": "amber",
      "title": "Honesty",
      "items": [
        "Taken el0:serror is Verified opt-in only",
        "Stock QEMU still parks",
        "Probe ctos.artof.link after Pages deploy"
      ]
    }
  ]
}