Connect outgoing edges to expandable nodes - #198
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Outgoing edges now keep the same small distance from nodes whether or not their source has a subtree toggle. Expanding a subtree no longer leaves the parent visually detached from its edges. Separate React Flow's invisible geometry and animation handle from the visible +/- button centered over it. The standard handle preserves the same edge spacing at the top and bottom while the button remains on the node border. Use a semantic button with node-specific accessible labels, visible keyboard focus, and inherited font sizing for consistent rendering.
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Outgoing edges now keep the same small distance from nodes whether or not their source has a subtree toggle. Expanding a subtree no longer leaves the parent visually detached from its edges.
To do so, we separate React Flow's invisible geometry and animation handle from the visible +/- button centered over it. The standard handle preserves the same edge spacing at the top and bottom while the button remains on the node border.
Also, we use a semantic button with node-specific accessible labels, visible keyboard focus, and inherited font sizing for consistent rendering.