right-sidebar
Domain: JupyterLab GUI
🎯 Motivation
The collapsible panel on the right of JupyterLab for property panels, inspector, and extension tabs. Toggled with IRightSidebar.
📋 Concrete Example
Click the inspector icon on the right to see contextual help; extensions register right-sidebar widgets too.
🔗 Analogy
The right sidebar is a reference shelf — secondary info sits on the right, visible when you need it.