Add OKX options max active positions env gate.

Enforce concurrent option contract count on standalone and hedge buys; editable in env UI with hot reload (0 = unlimited).

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

lib/options/options_hub_lib.py

@@ -16,6 +16,7 @@ def build_options_hub_snapshot(cfg: dict[str, Any]) -> dict[str, Any]:
     if not ok:
         return {"ok": False, "enabled": True, "msg": reason or "期权 API 未配置"}
     try:
+        from lib.options.options_position_limit_lib import options_max_active_positions
         from lib.options.options_positions_lib import build_display_option_positions
 
         raw = cfg["fetch_option_positions"](ex)
@@ -93,6 +94,7 @@ def build_options_hub_snapshot(cfg: dict[str, Any]) -> dict[str, Any]:
             "stats": {},
             "trade_budget": cfg.get("trade_budget"),
             "account_label": cfg.get("account_label") or "OKX期权",
+            "max_active_positions": options_max_active_positions(),
         }
     except Exception as e:
         return {"ok": False, "enabled": True, "msg": str(e)}