{
  "$comment": "pi versions Longhaul has been verified against. A version on the same major.minor line as a listed one runs silently; any other warns once per session. npm test fails on a vendored pi outside every listed line. To add one, follow CONTRIBUTING.md (Verifying a new pi version). Entries before 2026-10-07 were verified before the public release.",
  "verified": [
    {
      "pi": "0.87.1",
      "date": "2026-09-28",
      "how": [
        "npm test on the vendored pi: typecheck, unit suite, load smoke, and the extension-API contract checks (appendEntry, registerTool, the session_before_compact payload, tool results)",
        "a real pi loaded the extension and logged extension-loaded with the version verified"
      ]
    },
    {
      "pi": "0.99.1",
      "date": "2026-09-29",
      "how": [
        "npm test on the vendored pi; one contract moved (an optional isError on tool results) and the check was updated to assert what the extension relies on",
        "one real compaction in an interactive pi session: a compaction record with an accepted diff, and one span record on the transcript"
      ]
    },
    {
      "pi": "1.0.0",
      "date": "2026-10-02",
      "how": [
        "npm test on the vendored pi; no contract moved",
        "one real compaction in an interactive pi session: a compaction record with an accepted diff",
        "one paired scorer run: every arm scored without an error"
      ]
    },
    {
      "pi": "1.0.1",
      "date": "2026-10-03",
      "how": [
        "npm test on the vendored pi; no contract moved",
        "the vendored package layout changed (pi's own dependencies are hoisted); the contract checks resolve both layouts"
      ]
    },
    {
      "pi": "1.0.2",
      "date": "2026-10-04",
      "how": [
        "npm test on the vendored pi; no contract moved",
        "one real compaction through pi --mode rpc on a long session: a compaction record with an accepted diff",
        "one paired scorer run: every arm scored without an error"
      ]
    },
    {
      "pi": "1.0.4",
      "date": "2026-10-06",
      "how": [
        "npm test on the vendored pi; no contract moved",
        "one real compaction through pi --mode rpc on a long session: a compaction record with an accepted diff",
        "one paired scorer run: every arm scored without an error"
      ]
    },
    {
      "pi": "1.1.0",
      "date": "2026-10-10",
      "how": [
        "npm test on the vendored pi; no contract moved (three notice tests counted the unverified-pi notice and were pinned to a version)",
        "npm run smoke: one compaction by pi 1.1.0 of the packed package, fake model",
        "one real compaction through pi --mode rpc on the setup-check fixture with a local model: a compaction record, no fallback"
      ]
    },
    {
      "pi": "0.99.0",
      "date": "2026-10-10",
      "how": [
        "npm test on the vendored pi: typecheck, unit suite, load smoke and the extension-API contract checks; no contract moved",
        "npm run smoke: one real compaction by that pi in a fresh agent dir, against a fake model; the diff was accepted"
      ]
    },
    {
      "pi": "0.99.2",
      "date": "2026-10-10",
      "how": [
        "npm test on the vendored pi: typecheck, unit suite, load smoke and the extension-API contract checks; no contract moved",
        "npm run smoke: one real compaction by that pi in a fresh agent dir, against a fake model; the diff was accepted"
      ]
    },
    {
      "pi": "1.0.3",
      "date": "2026-10-10",
      "how": [
        "npm test on the vendored pi: typecheck, unit suite, load smoke and the extension-API contract checks; no contract moved",
        "npm run smoke: one real compaction by that pi in a fresh agent dir, against a fake model; the diff was accepted"
      ]
    },
    {
      "pi": "1.2.0",
      "date": "2026-10-14",
      "how": [
        "npm test on the vendored pi; one contract moved in a test only (before_agent_start became a union on messageType, pi#5581; the pi-goal stand-in now skips the custom-message event)",
        "npm run smoke and npm run cross-version -- --extra 1.2.0: every listed pi continues 1.2.0's transcripts and it continues theirs",
        "one real compaction through pi --mode rpc on the setup-check fixture with a local model: a compaction record, no fallback"
      ]
    }
  ]
}