refactor(server): export InitBackend(), run Gin in goroutine for Wails integration

server/main.go

@@ -21,20 +21,30 @@ import (
 // @in                          header
 // @name                        x-token
 // @BasePath                    /
-func main() {
-	global.GVA_VP = core.Viper() // 初始化Viper
+
+// InitBackend initializes the Go backend (Viper, Zap, GORM, Gin) and starts the
+// HTTP server in a background goroutine. It does not block. Call this before
+// running the Wails application.
+func InitBackend() {
+	global.GVA_VP = core.Viper()
 	initialize.OtherInit()
-	global.GVA_LOG = core.Zap() // 初始化zap日志库
+	global.GVA_LOG = core.Zap()
 	zap.ReplaceGlobals(global.GVA_LOG)
-	global.GVA_DB = initialize.Gorm() // gorm连接数据库
+	global.GVA_DB = initialize.Gorm()
 	initialize.Timer()
 	initialize.DBList()
 	if global.GVA_DB != nil {
-		initialize.RegisterTables() // 初始化表
-		// 程序结束前关闭数据库链接
+		initialize.RegisterTables()
 		db, _ := global.GVA_DB.DB()
 		defer db.Close()
 	}
 	initialize.InitUHFDevices()
-	core.RunWindowsServer()
+	go core.RunWindowsServer()
+}
+
+// main is retained for standalone (non-Wails) usage.
+func main() {
+	InitBackend()
+	// Block forever when running standalone.
+	select {}
 }