refactor(utils): 禁用屏幕开关并优化 xset 查找逻辑

- 注释掉所有 BlankOpen/BlankClose 调用，启动不再关屏
- 将 xset 路径查找改为 init + sync.Once 缓存，避免重复执行
- 清理未使用的 utils 导入

Co-authored-by: Qwen-Coder <qwen-coder@alibabacloud.com>

internal/routes/play/only_video.go

@@ -6,14 +6,15 @@ import (
 	"game-driver/leaf"
 	"game-driver/pkg/utils"
 	"game-driver/pkg/video"
+
 	"go.uber.org/zap"
 )
 
 func OnlyVideo(c *leaf.Context) {
 	payload := leaf.Value[*schema.PlayModal](c, middleware.PayloadJSONKey)
 
-	utils.BlankOpen()
-	defer utils.BlankClose()
+	// utils.BlankOpen()
+	// defer utils.BlankClose()
 
 	if url, ok := payload.Game["video"]; ok {
 		path, local, err := utils.LinkVideo(url.(string))

internal/routes/standby/video.go

@@ -6,6 +6,7 @@ import (
 	"game-driver/internal/schema"
 	"game-driver/pkg/utils"
 	"game-driver/pkg/video"
+
 	"go.uber.org/zap"
 )
 
@@ -19,8 +20,8 @@ func Video(item schema.WaitItemModel) func(c context.Context) error {
 		zap.S().Infoln("播放待机视频")
 		defer zap.S().Infoln("结束待机视频")
 
-		utils.BlankOpen()
-		defer utils.BlankClose()
+		// utils.BlankOpen()
+		// defer utils.BlankClose()
 
 		err = video.Play(c, path, local)
 		if err != nil {

internal/routes/standby/web.go

@@ -4,7 +4,7 @@ import (
 	"context"
 	"game-driver/internal/schema"
 	"game-driver/pkg/browser"
-	"game-driver/pkg/utils"
+
 	"go.uber.org/zap"
 )
 
@@ -13,8 +13,8 @@ func Web(item schema.WaitItemModel) func(c context.Context) error {
 		zap.S().Infoln("打开待机网页")
 
 		// 控制背光
-		utils.BlankOpen()
-		defer utils.BlankClose()
+		// utils.BlankOpen()
+		// defer utils.BlankClose()
 
 		browser.OpenApp(c, item.Data)
 		return nil

internal/server.go

@@ -101,7 +101,7 @@ func Run() {
 	zap.S().Infoln("当前IP: ", addrs)
 
 	// 启动时关闭屏幕
-	utils.BlankClose()
+	// utils.BlankClose()
 
 	topicPrefix := fmt.Sprintf("server/%s/%v/", config.C.Location, config.C.Point)
 	publishTopic := fmt.Sprintf("device/%s/%v/status", config.C.Location, config.C.Point)

pkg/utils/blank.go

@@ -3,12 +3,26 @@ package utils
 import (
 	"os"
 	"os/exec"
+	"sync"
 )
 
+var (
+	xsetBin string
+	once    sync.Once
+)
+
+func init() {
+	once.Do(func() {
+		if found, err := exec.LookPath("xset"); err == nil {
+			xsetBin = found
+		}
+	})
+}
+
 // BlankOpen 打开屏幕
 func BlankOpen() {
-	if found, err := exec.LookPath("xset"); err == nil {
-		exec.Command(found, "dpms", "force", "on").Run()
+	if xsetBin != "" {
+		exec.Command(xsetBin, "dpms", "force", "on").Run()
 		return
 	}
 	os.WriteFile("/sys/class/graphics/fb0/blank", []byte("0"), 0644)
@@ -16,8 +30,8 @@ func BlankOpen() {
 
 // BlankClose 关闭屏幕
 func BlankClose() {
-	if found, err := exec.LookPath("xset"); err == nil {
-		exec.Command(found, "dpms", "force", "off").Run()
+	if xsetBin != "" {
+		exec.Command(xsetBin, "dpms", "force", "off").Run()
 		return
 	}
 	os.WriteFile("/sys/class/graphics/fb0/blank", []byte("1"), 0644)