Line Styling Options
line color: use existing line color picker
line width: use existing line thickness drop-down
line style: solid, dotted, dashed - use existing style drop-down
line type: use existing line type drop-down
line ends: (only available for flowcharts) select nothing or from the 3-arrow endings
Line Selection
Hover state for lines on mouse hover
Individual lines are selectable on click
Line styling edit options display when one line is selected
Line Interactions
Changing a line port position on an item by click dragging the line end to a new port
Compatible ports display while click dragging a line end to a new port
Disconnect and reconnect a line in flowcharts
