fn collect_leaf_block_ids(node: &LayoutNode, sink: &mut dyn FnMut(&str))Expand description
Walk a layout-tree node, calling sink once per leaf data.block_id.
Phase E.4.B Phase 2 — typed traversal (was JSON walks).
fn collect_leaf_block_ids(node: &LayoutNode, sink: &mut dyn FnMut(&str))Walk a layout-tree node, calling sink once per leaf data.block_id.
Phase E.4.B Phase 2 — typed traversal (was JSON walks).