Module efficiency 

Settlement efficiency metrics kernel.

This module provides settlement efficiency analysis:

• Zero balance frequency calculation
• Settlement timing metrics
• Party efficiency scoring

Structs

DailyActivity

Daily activity for a party.

LiquidityMetrics

Liquidity metrics.

PartyEfficiencyScore

Party efficiency score.

SettlementVelocity

Settlement velocity metrics.

ZeroBalanceFrequency

Zero balance frequency kernel.