Function check_position_reconciliation 

pub fn check_position_reconciliation(
    report: &PositionStatusReport,
    cached_signed_qty: Decimal,
    size_precision: Option<u8>,
) -> bool

Reconciles a position status report, comparing venue state with local state.

Returns true if positions are reconciled (match or discrepancy handled), false if there’s an error that couldn’t be resolved.