Go CLI: Fix alter role (#16226)

### What problem does this PR solve?

As title.

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

---------

Signed-off-by: Jin Hai <haijin.chn@gmail.com>

internal/admin/handler.go

@@ -622,6 +622,23 @@ func (h *Handler) ShutdownService(c *gin.Context) {
 	success(c, result, "")
 }
 
+// StartService handle start service
+func (h *Handler) StartService(c *gin.Context) {
+	serviceID := c.Param("service_id")
+	if serviceID == "" {
+		errorResponse(c, "Service ID is required", 400)
+		return
+	}
+
+	result, err := h.service.StartService(serviceID)
+	if err != nil {
+		errorResponse(c, err.Error(), 500)
+		return
+	}
+
+	success(c, result, "")
+}
+
 // RestartService handle restart service
 func (h *Handler) RestartService(c *gin.Context) {
 	serviceID := c.Param("service_id")