Method getImpactRadius

src/graph/traversal.ts:520–541

* Calculate the impact radius of a node * * Returns all nodes that could be affected by changes to this node. * * @param nodeId - ID of the node * @param maxDepth - Maximum depth to traverse (default: 3) * @returns Subgraph containing potentially impacted nodes

(nodeId: string, maxDepth: number = 3)

   * @returns Subgraph containing potentially impacted nodes
   */
  getImpactRadius(nodeId: string, maxDepth: number = 3): Subgraph {
    const focalNode = this.queries.getNodeById(nodeId);
    if (!focalNode) {
      return { nodes: new Map(), edges: [], roots: [] };
    }

    const nodes = new Map<string, Node>();
    const edges: Edge[] = [];
    const visited = new Set<string>();

    // Add focal node
    nodes.set(focalNode.id, focalNode);

    // Traverse incoming edges to find all dependents
    this.getImpactRecursive(nodeId, maxDepth, 0, nodes, edges, visited);

    return {
      nodes,
      edges,
      roots: [nodeId],
    };
  }

  private getImpactRecursive(
    nodeId: string,