Replace 期期 equal-split with long/short bias sizing and env ratio controls.

Co-authored-by: Cursor <cursoragent@cursor.com>

crypto_monitor_okx/.env.example

@@ -135,6 +135,10 @@ HEDGE_PLAN_ON_PERP_TP_CLOSE_OPTIONS=false
 HEDGE_PLAN_OO_CLOSE_WINNER_ONLY=true
 # 方案C:期期页面显示「平仓模式」(到期平/全平);关则固定到期平.默认开启,页面默认选全平
 HEDGE_PLAN_OO_CLOSE_MODE_ENABLED=true
+# 期期「做多/做空」拆分口径:budget=按权利金预算(默认);sheets=先算同张数 n 再按比例拆
+HEDGE_PLAN_OO_BIAS_SPLIT_BY=budget
+# 期期「做多/做空」主腿占比(0~1,默认 0.7=7:3);做多主腿=Call,做空主腿=Put
+HEDGE_PLAN_OO_BIAS_RATIO=0.7
 # 对冲与单独期权互斥(默认 true):有对冲计划不可单独开期权;有单独期权不可启动对冲;false=可同时开
 HEDGE_PLAN_OPTIONS_MUTUAL_EXCLUSIVE=true
 # 半腿失败改手动补开(默认 true):不自动平已成腿,计划挂 partial,页面补开;开启时下方自动平强制无效