POST /listCollaborators

POST https://europe-west1-slideless-ai.cloudfunctions.net/listCollaborators

{ "presentationId": "01HXYZ..." }

{
  "success": true,
  "data": {
    "presentationId": "01HXYZ...",
    "collaborators": [
      {
        "collaboratorId": "01H...",
        "email": "alice@example.com",
        "userId": "uid_abc",
        "role": "dev",
        "status": "active",
        "invitedAt": "2026-04-10T12:00:00.000Z",
        "invitedBy": "uid_owner",
        "acceptedAt": "2026-04-10T12:00:00.000Z",
        "revokedAt": null
      }
    ]
  }
}