export interface CacheUsageTotals {
  input: number;
  output: number;
  cacheRead: number;
  cacheWrite: number;
  totalTokens: number;
  assistantMessages: number;
}

export interface AssistantUsageMetric {
  sequence: number;
  activeBranchSequence?: number;
  entryId: string;
  timestamp: string;
  provider: string;
  model: string;
  input: number;
  output: number;
  cacheRead: number;
  cacheWrite: number;
  totalTokens: number;
  cacheHitPercent: number;
  isOnActiveBranch: boolean;
}

export interface CacheSessionMetrics {
  allMessages: AssistantUsageMetric[];
  activeBranchMessages: AssistantUsageMetric[];
  treeTotals: CacheUsageTotals;
  activeBranchTotals: CacheUsageTotals;
}