namespace Agent.Planner;

public sealed record PlannerTask(
    Guid Id,
    string Description,
    IReadOnlySet<Guid> Dependencies,
    PlannerTaskState State,
    TokenBudgetClass BudgetClass,
    TokenEstimate Estimate,
    long ActualInputTokens,
    long ActualOutputTokens,
    bool RequiresExternalEffect,
    IReadOnlySet<string> RequiredEffectTools)
{
    public double ExpectedTokens => Estimate.ExpectedTokens;
    public long ActualTotalTokens => checked(ActualInputTokens + ActualOutputTokens);
}

public sealed record CriticalPathResult(IReadOnlyList<Guid> TaskIds, double CumulativeTokenCost);