POST /api/workspaces

{
  "name": "Design System",
  "description": "Main product workspace",
  "include_in_organization": true
}

GET /api/workspaces/{workspaceId}/members

{
  "members": [
    {
      "id": "membership-id",
      "workspace_id": "workspace-id",
      "user_id": "user-id",
      "role": "owner",
      "user_email": "owner@company.com",
      "user_name": "Owner Name"
    }
  ],
  "invitations": []
}

POST /api/workspaces/{workspaceId}/members

{
  "email": "member@company.com",
  "role": "editor"
}

{
  "error": "Workspace invitation links are deprecated. Members are now added instantly from workspace settings."
}

GET /api/subscription/downgrade-status

{
  "plan_type": "PRO",
  "has_overages": true,
  "overages": [
    { "type": "workspaces", "current": 4, "limit": 3 }
  ],
  "enforcement": {
    "can_create_workspace": false,
    "can_invite_members": true,
    "can_access_organizations": false
  }
}