新增 docs/eod-continuation-proposal.md: - 记录4个风险(并本金起点/consumedInterest语义/resetCarry/全平重放) - 记录验证方案(6场景影子测试) - 标注待立项,不混入日常重构 SwapDealService 收尾: 3处内联方向比例→DirectionRatio.ReceivePay - line389: PosiDirection收取?-1:1 → -ReceivePay - line1104/1235: InterestDirection==1?1:-1 → ReceivePay SwapModule零回归(7基线/510通过)