Build a typed-edge dependency graph from a loaded cache: issue nodes, lifted PR
nodes, text-extracted edges from bodies and comments, structurally-inferred
child-of / duplicate-of edges, synthesised stub nodes for any un-fetched
endpoint, and deduplication by (from, to, kind).
Build a typed-edge dependency graph from a loaded cache: issue nodes, lifted PR nodes, text-extracted edges from bodies and comments, structurally-inferred
child-of/duplicate-ofedges, synthesised stub nodes for any un-fetched endpoint, and deduplication by(from, to, kind).