{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "TabListResult",
  "type": "object",
  "required": [
    "tabs"
  ],
  "properties": {
    "tabs": {
      "type": "array",
      "items": {
        "$ref": "#/definitions/TabInfo"
      }
    }
  },
  "definitions": {
    "TabInfo": {
      "description": "A single tab entry returned by [`TabListResult`].\n\n`scope` reports how the requesting session sees this tab: tabs owned by the session's own Agent Window are tagged `agent`; everything else falls into `user`. (Other sessions' Agent Windows are filtered out before they reach this struct.)",
      "type": "object",
      "required": [
        "tab_id"
      ],
      "properties": {
        "active": {
          "type": [
            "boolean",
            "null"
          ]
        },
        "scope": {
          "description": "Where the tab sits relative to the requesting session: `user` or `agent`. `all` is a request-side filter only and never appears on an individual tab entry.",
          "anyOf": [
            {
              "$ref": "#/definitions/TabScope"
            },
            {
              "type": "null"
            }
          ]
        },
        "tab_id": {
          "type": "integer",
          "format": "int64"
        },
        "title": {
          "type": [
            "string",
            "null"
          ]
        },
        "url": {
          "type": [
            "string",
            "null"
          ]
        },
        "window_id": {
          "type": [
            "integer",
            "null"
          ],
          "format": "int64"
        }
      }
    },
    "TabScope": {
      "description": "View scope for [`TabListParams`] (§6 sandbox table).\n\n* `User` — tabs that live in any window other than an Agent Window. * `Agent` — tabs in the requesting session's Agent Window only. * `All` — both of the above; never reveals other sessions' Agent Windows (cross-session isolation per §6).",
      "type": "string",
      "enum": [
        "user",
        "agent",
        "all"
      ]
    }
  }
}