SplitLayout
Draggable, resizable split pane container. Supports horizontal/vertical orientation, pane collapsing, nested layouts, divider style variants, and state persistence.
Horizontal Two-Pane
Drag the divider to resize. Double-click to collapse the smaller pane.
Vertical Three-Pane (Dots Divider)
Three panes stacked vertically with dot-style dividers and collapsible top/bottom.
Nested Layout (IDE-Style)
Horizontal outer split with a vertical inner split — sidebar + editor + terminal.