{
  "name": "tabs_open",
  "description": "Open a chat tab for a session (or activate it if already open).",
  "input_schema": {
    "type": "object",
    "properties": {
      "sessionId": {
        "type": "string"
      },
      "agentName": {
        "type": "string"
      },
      "elementId": {
        "type": "string"
      },
      "type": {
        "type": "string",
        "description": "Tab type (default \"chat\")"
      },
      "title": {
        "type": "string"
      }
    },
    "required": [
      "sessionId"
    ]
  },
  "timeout": 30
}