{
  "date": "2026-10-27",
  "target": "Application/1.18.21.0/Tabbit.dll",
  "target_sha256": "a10ee34ead4a08c906e09f3dd4449042fb084a69ce59210b1c8cee815723bf3c",
  "method": "Parse the embedded extension schema string and the pinned Chromium 154.0.8037.58 bookmarks schema; compare declaration names and object fields. This proves contract-level additions, not every handler implementation.",
  "embedded_schema_va": "0x1910a0660",
  "embedded_schema_chars": 8389,
  "upstream_schema": "evidence/omnibox-review/chrome__common__extensions__api__bookmarks.json.txt",
  "upstream_revision": "154.0.8037.58",
  "functions": {
    "tabbit_only_names": [
      "deleteMetaInfo",
      "exportData",
      "getFavicon",
      "getMetaInfo",
      "getRootChildId",
      "importData",
      "recordOpen",
      "setMetaInfo"
    ],
    "shared_names": [
      "create",
      "get",
      "getChildren",
      "getRecent",
      "getSubTree",
      "getTree",
      "move",
      "remove",
      "removeTree",
      "search",
      "update"
    ]
  },
  "events": {
    "tabbit_only_names": [
      "onChangedSelective",
      "onMetaInfoChanged",
      "onUsageChanged"
    ],
    "shared_names": [
      "onChanged",
      "onChildrenReordered",
      "onCreated",
      "onImportBegan",
      "onImportEnded",
      "onMoved",
      "onRemoved"
    ]
  },
  "BookmarkTreeNode": {
    "tabbit_only_fields": [
      "guid",
      "lastOpenedAt",
      "metaInfo",
      "openCount"
    ],
    "shared_fields": [
      "children",
      "dateAdded",
      "dateGroupModified",
      "dateLastUsed",
      "folderType",
      "id",
      "index",
      "parentId",
      "syncing",
      "title",
      "unmodifiable",
      "url"
    ]
  },
  "CreateDetails": {
    "tabbit_only_fields": [
      "preserveLastUsed"
    ],
    "shared_fields": [
      "index",
      "parentId",
      "title",
      "url"
    ]
  },
  "local_schema_sha256": "f07513a96fde1d2134fb95b1115b9b9c0e40de47f71459cbe6c145ffd71c90fa",
  "upstream_schema_sha256": "a7c3baa648467c8b83d0fd57ed785f31f9c31769f6ff6bf12790c20a51bcc98b",
  "limitations": [
    "The embedded schema is a declaration surface. It does not prove every method is exposed to every extension.",
    "The extension background bundle is a retained resource, not executed in this review.",
    "Schema additions do not prove a complete bookmark subsystem rewrite."
  ]
}