期权页增加重试卖回ETH按钮，平仓后可手动全额卖回交易户标的币

币本位模式下持仓区显示重试按钮与可用余额提示，调用已有 spot-bridge 接口按交易账户全部可用量市价卖回 USDT。

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

lib/options/options_register.py

@@ -442,6 +442,19 @@ def register_options_routes(app: Flask, cfg: dict[str, Any]) -> None:
                 payload["coin_budget"] = coin_budget_preview(cfg, ex)
             except Exception as e:
                 payload["coin_budget"] = {"ok": False, "msg": str(e)}
+            conn = cfg["get_db"]()
+            try:
+                init_options_tables(conn)
+                from lib.options.options_spot_bridge_lib import list_open_bridges
+
+                open_bridges = list_open_bridges(conn)
+                if open_bridges:
+                    payload["bridge_status"] = str(open_bridges[0].get("status") or "")
+                    payload["bridge_underlying"] = str(open_bridges[0].get("underlying") or "")
+            except Exception:
+                pass
+            finally:
+                conn.close()
         return jsonify(payload)
 
     @app.route("/api/options/chain")