Revise strategy: TTM+ATM+leverage option pick, % exit, perp leverage/margin.

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

backend/app/config.py

@@ -38,11 +38,15 @@ class Settings(BaseSettings):
 
     fee_rate: float = 0.0005
     initial_equity: float = 100_000.0
-    max_rounds: int = 3
-    open_hhmm: str = "16:00"
-    stop_open_hhmm: str = "08:00"
-    exit_move_points: float = 30.0
+    max_rounds: int = 3  # 已不再强管控，仅兼容旧字段
+    open_hhmm: str = "16:00"  # 已废弃开仓窗
+    stop_open_hhmm: str = "08:00"  # 已废弃开仓窗
+    exit_move_points: float = 30.0  # 旧字段，改用 exit_move_pct
+    exit_move_pct: float = 2.0  # 相对开仓指数波动 % 全平
     rest_seconds: int = 300
+    leverage: float = 3.0  # 永续杠杆
+    min_option_hours: float = 12.0  # 期权最小剩余小时
+    min_option_leverage: float = 100.0  # 现价/卖一权利金 下限
     perp_qty_eth: float = 1.0
     option_qty_eth: float = 2.0
     option_ct_mult_default: float = 0.01