Allow clearing the clipboard instantly; improve code sharing between platforms; facilitate GUI/TUI client development regarding the clipboard

core/launchClipClearProcessGUIUNIX.go

@@ -0,0 +1,15 @@
+//go:build !windows && !darwin && !android && !termux && !wsl && returnOnExit
+
+package core
+
+import (
+	"os"
+	"strconv"
+)
+
+// launchClipClearProcess launches the automated clipboard clearing process.
+// For interactive GUI/TUI implementations, the clipboard clearing process is launched as a goroutine.
+func launchClipClearProcess(copySubject string, isWayland bool) {
+	os.Args[2] = strconv.FormatBool(isWayland)
+	go clipClearProcess(copySubject)
+}