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- BinanceKlineAutoSpreadService: 缓存 100% 基准价差,新增 getAutoMinSpreadBase - CryptoTailStrategyExecutionService: 按窗口内毫秒进度算 coefficient,effectiveMinSpread = baseSpread × (1 - 0.5×progress) - 新增方案文档 docs/crypto-tail-auto-spread-dynamic-coefficient.md Co-authored-by: Cursor <cursoragent@cursor.com>