Affiliate System

- Admin affiliate settings (enable/disable, commission delay, minimum withdrawal, cookie lifetime)
- Admin affiliate management interface (view, edit, activate affiliates)
- Client-facing affiliate dashboard (statistics, referrals, commissions, withdrawals)
- Affiliate link tracking with cookie-based referral system
- Commission calculation (percentage or fixed, one-time or recurring)
- Product-specific affiliate commission settings
- Commission processing on invoice payment
- Pending commissions with delay period support
- Commission reversal on invoice cancellation/refund
- Admin withdrawal processing (credit to wallet, transaction record, record only)
- Client-initiated withdrawals to wallet (with minimum/maximum limits)
- Comprehensive affiliate reports (statistics, top performers, trends, activity)
- Affiliate code generation and unique link system
- Visitor tracking and referral statistics
- Integration with order and payment processing