The first version retrieved everything. Every node reachable from the seed entity, up to four hops. The context window hit 8,000 tokens on a basic query about a mid-size Korean manufacturer. The model started confusing entities. I pulled it back to 50 nodes, which is where it still is. I don't love that number. It's a hard cutoff that causes real problems for large corporate groups — Samsung Electronics has hundreds of subsidiaries and a query about their supply chain exposure hits the limit ...