de6f80694b
- expenses_kopeks: func.abs() handles WITHDRAWAL stored as negative by approve_request - admin_users.py: abs() in display instead of sign flip for mixed-sign WITHDRAWAL/SUBSCRIPTION_PAYMENT - referral_contest.py: func.abs() on get_contest_payment_stats total_amount sum - admin_stats.py: abs() on RecentPaymentItem to prevent negative amounts in API