Function usage_from_estimates_with_accounting 

pub fn usage_from_estimates_with_accounting(
    session_id: &str,
    command: &str,
    path: Option<String>,
    query: Option<String>,
    estimated_without_projectatlas: usize,
    estimated_with_projectatlas: usize,
    token_savings_bucket: &str,
    baseline_kind: &str,
    confidence: &str,
    accounting_layer: &str,
    denominator_kind: &str,
    dedupe_scope: &str,
) -> UsageEvent

Create a usage event from token estimates and explicit accounting semantics.