Method build

apps/sim/lib/copilot/request/trace.ts:62–125

(params: {
    outcome: RequestTraceV1Outcome
    simRequestId: string
    streamId?: string
    chatId?: string
    runId?: string
    executionId?: string
    // Original user prompt, surfaced on the `request_traces.message`
    // column at row-insert time so it's queryable from the DB without
    // going through Tempo. Sim already has this at chat-POST time; it's
    // threaded through here to the trace report so the row is complete
    // the moment it's first written instead of waiting on the late
    // analytics UPDATE.
    userMessage?: string
    usage?: {
      prompt: number
      completion: number
      cacheAttemptedRequests?: number
      cacheHitRequests?: number
      cacheWriteRequests?: number
      cacheReadTokens?: number
      cacheWriteTokens?: number
      cacheSavingsRate?: number
    }
    cost?: { input: number; output: number; total: number }
  })

  }

  build(params: {
    outcome: RequestTraceV1Outcome
    simRequestId: string
    streamId?: string
    chatId?: string
    runId?: string
    executionId?: string
    // Original user prompt, surfaced on the `request_traces.message`
    // column at row-insert time so it's queryable from the DB without
    // going through Tempo. Sim already has this at chat-POST time; it's
    // threaded through here to the trace report so the row is complete
    // the moment it's first written instead of waiting on the late
    // analytics UPDATE.
    userMessage?: string
    usage?: {
      prompt: number
      completion: number
      cacheAttemptedRequests?: number
      cacheHitRequests?: number
      cacheWriteRequests?: number
      cacheReadTokens?: number
      cacheWriteTokens?: number
      cacheSavingsRate?: number
    }
    cost?: { input: number; output: number; total: number }
  }): RequestTraceV1SimReport {
    const endMs = Date.now()
    const usage: RequestTraceV1UsageSummary | undefined = params.usage
      ? {
          inputTokens: params.usage.prompt,
          outputTokens: params.usage.completion,
          cacheAttemptedRequests: params.usage.cacheAttemptedRequests ?? 0,
          cacheHitRequests: params.usage.cacheHitRequests ?? 0,
          cacheWriteRequests: params.usage.cacheWriteRequests ?? 0,
          cacheReadTokens: params.usage.cacheReadTokens ?? 0,
          cacheWriteTokens: params.usage.cacheWriteTokens ?? 0,
          cacheSavingsRate: params.usage.cacheSavingsRate ?? 0,
        }
      : undefined

    const cost: RequestTraceV1CostSummary | undefined = params.cost
      ? {
          rawTotalCost: params.cost.total,
          billedTotalCost: params.cost.total,
        }
      : undefined

    return {
      simRequestId: params.simRequestId,
      goTraceId: this.goTraceId,
      streamId: params.streamId,
      chatId: params.chatId,
      runId: params.runId,
      executionId: params.executionId,
      ...(params.userMessage ? { userMessage: params.userMessage } : {}),
      startMs: this.startMs,
      endMs,
      durationMs: endMs - this.startMs,