Method edgeKey

frontend/src/cache.ts:717–718

(e: CrossFileEdge)

     */
    private mergeCrossFileEdges(newEdges: CrossFileEdge[]) {
        const edgeKey = (e: CrossFileEdge) =>
            `${e.sourceFile}:${e.sourceNodeId}->${e.targetFile}:${e.targetNodeId}`;

        // Build map from existing edges
        const edgeMap = new Map<string, CrossFileEdge>();