env 锁定币本位并清掉对冲/USDC 配置项。

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

lib/instance/instance_settings_register.py

@@ -118,23 +118,8 @@ def register_instance_settings_routes(
         if not clean:
             return jsonify({"ok": True, "changed_keys": [], "restart_required": False})
         if "OKX_OPTIONS_MARGIN_MODE" in clean:
-            try:
-                from lib.options.options_margin_mode_lib import normalize_options_margin_mode
-                from lib.options.options_spot_bridge_lib import mode_switch_block_msg
-
-                lines = read_env_lines(env_path)
-                old_mode = normalize_options_margin_mode(env_get(lines, "OKX_OPTIONS_MARGIN_MODE") or "coin")
-                new_mode = normalize_options_margin_mode(clean.get("OKX_OPTIONS_MARGIN_MODE"))
-                if old_mode != new_mode:
-                    conn_m = get_db()
-                    try:
-                        block = mode_switch_block_msg(conn_m, None)
-                        if block:
-                            return jsonify({"ok": False, "msg": block}), 400
-                    finally:
-                        conn_m.close()
-            except Exception as e:
-                return jsonify({"ok": False, "msg": f"本位切换校验失败: {e}"}), 400
+            # 币本位专用机:忽略任何写入,强制 coin
+            clean["OKX_OPTIONS_MARGIN_MODE"] = "coin"
         changed = apply_env_updates(env_path, clean)
         groups = parse_env_example_schema(example_path)
         reload_info = apply_env_reload(env_path, get_db, changed, groups)