refactor(payment): 沙箱环境开关查询接口返回值简化为裸布尔(Result<Boolean>)

daxpay-payment/daxpay-payment-common/src/main/java/cn/daxpay/open/payment/masterdata/controller/admin/product/PayEnvConfigController.java

@@ -0,0 +1,30 @@
+package cn.daxpay.open.payment.masterdata.controller.admin.product;
+
+import cn.daxpay.open.platform.common.config.properties.PlatformConfigProperties;
+import cn.daxpay.open.platform.core.annotation.PermCode;
+import cn.daxpay.open.platform.core.rest.Res;
+import cn.daxpay.open.platform.core.rest.result.Result;
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.tags.Tag;
+import lombok.RequiredArgsConstructor;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+/// # 支付环境全局配置查询
+///
+/// 沙箱环境开关由配置文件控制(daxpay.platform.config.sandbox-enabled), 运行时只读。
+@Tag(name = "支付环境全局配置查询")
+@RestController
+@RequestMapping("/admin/pay-env")
+@RequiredArgsConstructor
+public class PayEnvConfigController {
+
+    private final PlatformConfigProperties platformConfigProperties;
+
+    @Operation(summary = "查询沙箱环境开关状态")
+    @GetMapping("/sandbox-enabled")
+    public Result<Boolean> getSandboxEnabled() {
+        return Res.ok(platformConfigProperties.isSandboxEnabled());
+    }
+}