Add Binance live trading, anti-stuck open/close recovery, and configurable rate limits.

OKX/Binance LIVE share half_open and option_closed_perp_pending repair paths; private REST throttles default to 1s and are tunable in settings.

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

backend/app/sim/ledger.py

@@ -27,15 +27,19 @@ class Ledger:
         kind: str,
         group_id: str | None = None,
         note: str = "",
+        allow_negative: bool = False,
     ) -> float:
-        """amount>0 入账；amount<0 出账。返回余额。"""
+        """amount>0 入账；amount<0 出账。返回余额。
+
+        LIVE 实盘成交后本地账本仅作镜像，须 allow_negative=True，避免「交易所已成交、本地拒记」导致卡仓。
+        """
         now = int(time.time() * 1000)
         with self.db._lock:
             row = self.db._conn.execute("SELECT * FROM ledger_meta WHERE id=1").fetchone()
             assert row is not None
             equity = float(row["equity"]) + float(amount)
             available = float(row["available"]) + float(amount)
-            if available < -1e-9:
+            if not allow_negative and available < -1e-9:
                 raise RuntimeError("可用资金不足")
             self.db._conn.execute(
                 "UPDATE ledger_meta SET equity=?, available=?, updated_at_ms=? WHERE id=1",

backend/app/sim/matcher.py

@@ -21,6 +21,11 @@ from .pricing import (
     resolve_option_close_bid,
 )
 
+# 禁止新开仓的本地仓位状态（实盘防卡）
+BLOCKING_STATUSES = frozenset(
+    {"open", "half_open", "option_closed_perp_pending"}
+)
+
 
 @dataclass(slots=True)
 class OpenResult:
@@ -67,8 +72,15 @@ class Matcher:
         return dict(row)
 
     def has_open_position(self) -> bool:
+        """是否禁止新开：含 open / half_open / option_closed_perp_pending。"""
         pos = self.current_position()
-        return pos.get("status") == "open" and bool(pos.get("group_id"))
+        st = str(pos.get("status") or "")
+        if st not in BLOCKING_STATUSES:
+            return False
+        return bool(pos.get("group_id") or pos.get("option_inst_id"))
+
+    def position_status(self) -> str:
+        return str(self.current_position().get("status") or "flat")
 
     def _liquidity_wait(self, group_id: str, detail: str) -> CloseResult:
         note = f"liquidity_wait:{int(time.time())}:{detail[:80]}"
@@ -601,7 +613,9 @@ class Matcher:
             option_side=option_side, strike=float(strike), spot=float(spot)
         )
 
-    def close_perp_abandon_option(self, *, reason: str = "target_perp_only") -> CloseResult:
+    def close_perp_abandon_option(
+        self, *, reason: str = "target_perp_only", require_deep_otm: bool = True
+    ) -> CloseResult:
         """
         目标平仓 B：只平永续，期权归档为到期残留（不再盯盘、不挡新开）。
         """
@@ -622,7 +636,7 @@ class Matcher:
         spot = self._close_spot_px(snap)
         if strike is None or spot is None:
             return CloseResult(ok=False, detail="无法判断远虚：缺行权价或标的价")
-        if not is_deep_otm(
+        if require_deep_otm and not is_deep_otm(
             option_side=option_side, strike=float(strike), spot=float(spot)
         ):
             return CloseResult(ok=False, detail="期权非远虚，应走双腿全平")