中控可下发买一全平：客户端新增 /api/hub/options/close，由本地执行并拒绝无效买一。

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

lib/hub/hub_bridge_register.py

@@ -1,4 +1,4 @@
-"""中控只读 Bridge 路由 + SSO 登录入口."""
+"""中控 Bridge:只读快照 + 受限写(买一全平) + SSO 登录入口."""
 from __future__ import annotations
 
 from typing import Any
@@ -151,6 +151,34 @@ def register_hub_bridge_routes(app: Flask, app_module: Any) -> None:
             return jsonify({"ok": False, "msg": str(e), "version": 1, "enabled": True}), 500
         return jsonify(_enrich_hub_protocol(snap, app_module=app_module))
 
+    @app.route("/api/hub/options/close", methods=["POST"])
+    def api_hub_options_close():
+        """中控下发全平指令:客户端本地买一限价执行;无效买一拒绝."""
+        if not hub_bridge_token_ok(request.headers):
+            return jsonify({"ok": False, "msg": "未授权", "version": 1}), 401
+        data = request.get_json(silent=True) or {}
+        if data.get("market"):
+            return jsonify({"ok": False, "msg": "已禁用市价平仓,仅支持买一限价", "version": 1})
+        # 总览约定只全平,忽略/拒绝自定义张数
+        if data.get("sheets") is not None and str(data.get("sheets")).strip() != "":
+            return jsonify({"ok": False, "msg": "中控平仓仅支持全平,勿传 sheets", "version": 1})
+        inst_id = (data.get("inst_id") or "").strip()
+        if not inst_id:
+            return jsonify({"ok": False, "msg": "缺少 inst_id", "version": 1})
+        hub_ctx = app.config.get("HUB_CTX") or {}
+        fn = hub_ctx.get("options_close_fn")
+        if not callable(fn):
+            return jsonify({"ok": False, "msg": "平仓接口未注册", "version": 1}), 503
+        try:
+            result = fn(inst_id) or {}
+        except Exception as e:
+            return jsonify({"ok": False, "msg": str(e) or "平仓失败", "version": 1}), 500
+        if not isinstance(result, dict):
+            return jsonify({"ok": False, "msg": "平仓返回异常", "version": 1}), 500
+        out = dict(result)
+        out["version"] = 1
+        return jsonify(out)
+
     @app.route("/hub_sso")
     def hub_sso_login():
         token = (request.args.get("token") or "").strip()