Add 永期半自动: human arm, machine open/close, then stop.

Settings toggle, Plan panel, Fleet monitor, exit locks and armed TOCTOU gates; docs and dual audits.

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

backend/app/config.py

@@ -95,6 +95,14 @@ class Settings(BaseSettings):
     # 固定方向：关=现有 ATM/比价规则；开=指定永续多/空，期权 Put/Call 且须实值或平值
     fixed_direction_enabled: bool = False
     fixed_perp_side: str = "long"  # long|short；long→买Put，short→买Call
+    # 半自动：系统设置开关；首页授权后盯开盯平，平完停
+    semi_auto_enabled: bool = False
+    semi_armed: bool = False  # 是否已授权本单（平完清零）
+    semi_view_side: str = "long"  # long=买Call+永续空；short=买Put+永续多
+    semi_option_move_points: float = 50.0  # 顺方向：标的波动点数
+    semi_perp_exit_unit: float = 5.0  # 净利出场基数（×k）
+    semi_min_option_hours: float = 30.0
+    semi_min_option_leverage: float = 100.0
     close_bid_mark_max_pct: float = 30.0  # 平仓：买一相对标记最大偏差%
     # 残留期权中途平：当前买一权利金 ≥ 初始权利金 × 该% 才尝试卖出
     residual_min_premium_pct: float = 20.0