Add daily loss force-flatten at configurable equity limit

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

modules/settings/routes.py

@@ -173,6 +173,18 @@ def register(deps) -> None:
                 except ValueError:
                     flash("挂单超时无效")
                     return redirect(url_for("settings"))
+                try:
+                    dl = float(request.form.get("daily_loss_force_close_pct", "2") or 2)
+                    set_setting("daily_loss_force_close_pct", str(max(0.1, min(50.0, dl))))
+                except ValueError:
+                    flash("日亏损强平线无效")
+                    return redirect(url_for("settings"))
+                try:
+                    sb = float(request.form.get("daily_loss_slippage_buffer_pct", "1") or 1)
+                    set_setting("daily_loss_slippage_buffer_pct", str(max(0.0, min(20.0, sb))))
+                except ValueError:
+                    flash("强平滑点预留无效")
+                    return redirect(url_for("settings"))
                 flash("交易模式已保存")
             elif action == "ctp":
                 from modules.ctp.ctp_settings import save_ctp_auto_connect, is_ctp_auto_connect_enabled
@@ -293,6 +305,8 @@ def register(deps) -> None:
             small_account_margin_rec=small_account_margin_recommendations(),
             trailing_be_tick_buffer=get_setting("trailing_be_tick_buffer", "2"),
             pending_order_timeout_min=get_setting("pending_order_timeout_min", "5"),
+            daily_loss_force_close_pct=get_setting("daily_loss_force_close_pct", "2"),
+            daily_loss_slippage_buffer_pct=get_setting("daily_loss_slippage_buffer_pct", "1"),
             nav_items=get_nav_items(get_setting),
             nav_toggles=NAV_TOGGLES,
             backup_dir=str(backup_dir()),