Function calculateWinLoss

Learning exports - Closed-loop feedback and routing improvement Split from index.ts for file size compliance (Issue #285)

calculateWinLoss(
    model: string,
    decisions: readonly {
        chosenModel: string;
        actualReward: number;
        rewards: Record<string, number>;
    }[],
    options?: StatisticalOptions,
): WinLossAnalysis
Calculate win/loss analysis for a model.
Parameters
- model: string
- decisions: readonly {
      chosenModel: string;
      actualReward: number;
      rewards: Record<string, number>;
  }[]
- options: StatisticalOptions = {}
Returns WinLossAnalysis
- Defined in packages/nexus-agents/src/learning/validation-stats.ts:274