const MEMORY_EDGE_EXPANSION_WEIGHTS: Record<string, number> = {
  derives_from: 0.2,
  supports: 0.18,
  applies_to: 0.14,
  mentions: 0.08,
};

export function isSupportiveMemoryEdge(relation: string): boolean {
  return memoryEdgeExpansionWeight(relation) > 0;
}

export function memoryEdgeExpansionWeight(relation: string): number {
  return MEMORY_EDGE_EXPANSION_WEIGHTS[relation] ?? 0;
}