fix: rebuild MES as compilable go-zero+ent backend (renamed bj_power_mes), restore 3 workstation projects from pristine original, align naming; all Go projects go build clean

bj_power_mes/internal/robot/utils.go

@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2025 Beijing Hardman Automation Equipment Co., LTD. All rights reserved.
+ *
+ *    Project: adapter
+ *    File: utils.go
+ *    Last: 2025-05-11 23:27:50
+ *    Author: wangcheng@bj-hardman.com
+ */
+
+package robot
+
+import (
+	"context"
+	"time"
+)
+
+// sleepWithContext 辅助函数：带上下文感知的休眠
+func sleepWithContext(ctx context.Context, duration time.Duration) error {
+	timer := time.NewTimer(duration)
+	defer timer.Stop()
+
+	select {
+	case <-ctx.Done():
+		return ctx.Err()
+	case <-timer.C:
+		return nil
+	}
+}