| Click a file | Expand/collapse contained symbols |
| Click symbol | Show detail panel with callers/callees |
| Shift+click file | Show detail panel without toggling collapse |
| Hover | Highlight connected nodes and edges |
| Drag | Pin a node in place |
| Scroll | Zoom in/out |
| Click+drag background | Pan the view |
| Search | Type to filter — matching nodes stay bright |
| Legend edges | Click edge types in the legend to toggle visibility |
| / | Focus search |
| ? | Toggle this help |
| Esc | Close panel / search / help |
| Enter / Space | Activate focused node |
| Arrow keys | Navigate between nodes |