{
  "scope": "seven literal content oracles plus historical absence/status boundaries; deterministic persisted-semantic checks, not LLM accuracy",
  "checks": [
    {
      "question": "As of head snapshot, commits/tracked files/Cargo members?",
      "answer": {
        "commits": "12093",
        "trackedFiles": "9096",
        "cargoMembers": "155",
        "observedAt": "2026-10-10T01:15:38Z",
        "sourceSnapshot": "evd-head-snapshot"
      }
    },
    {
      "question": "Initial implementation, Rust decision and dates?",
      "answer": {
        "typescriptDecision": "dec-ts-first-npm",
        "typescriptStatus": "superseded",
        "typescriptRef": "https://github.com/openai/codex/commit/59a180ddec",
        "typescriptFirstEventAt": "2025-04-16T15:11:02-07:00",
        "rustDecision": "dec-rust-rewrite",
        "rustStatus": "accepted",
        "rustRef": "https://github.com/openai/codex/commit/31d0d7a305",
        "rustFirstImplementationAt": "2025-04-24T13:31:40-07:00",
        "typescriptRemoval": "2025-08-08 (#2048)"
      }
    },
    {
      "question": "Architecture path and diagram/body?",
      "answer": {
        "appServerDepends": [
          "comp-core",
          "comp-protocol"
        ],
        "coreDepends": [
          "comp-codex-api",
          "comp-protocol"
        ],
        "bodyContainsJsonRpc": true,
        "mermaidInRichBody": true
      }
    },
    {
      "question": "Latest analyzed change?",
      "answer": {
        "event": "ev-20261010-output-token-replay",
        "at": "2026-10-10T01:15:38Z",
        "ref": "https://github.com/openai/codex/commit/5ef96ab278",
        "feature": "output_token_replay",
        "default": "off"
      }
    },
    {
      "question": "History boundaries?",
      "answer": {
        "eraCount": 7,
        "first": "2025-04-16",
        "last": "2026-10-10"
      }
    },
    {
      "question": "Is output_token_replay the default?",
      "answer": {
        "decision": "disabled-by-default",
        "questionStatus": "open",
        "ref": "https://github.com/openai/codex/commit/5ef96ab278"
      }
    },
    {
      "question": "Which Windows sandbox backend is primary?",
      "answer": {
        "status": "open",
        "ref": "https://github.com/openai/codex/blob/5ef96ab278/codex-rs/core/README.md",
        "related": [
          "risk-windows-sandbox-maturity",
          "dec-windows-sandbox-service",
          "dec-mxc-sandbox"
        ]
      }
    }
  ],
  "history": {
    "revision0RecordCount": 12,
    "decTsFirstNpmAbsentAt0": true,
    "decTsStatus": "accepted@1..4; superseded@5..17",
    "decRustRewriteFirstAppearsAt": 2,
    "latestThreeFirstAppearAt": 16,
    "revision17EffectiveAt": "2026-10-10T01:15:38Z",
    "revision17RecordedAt": "2026-10-10T13:06:08.119Z",
    "publicationNote": "Private transaction identifier omitted.",
    "revision17RecordAdds": 0,
    "revision17RecordRemovals": 0,
    "revision17ChangedRecords": 13,
    "revision17DocumentChanged": true
  }
}