added clear terminal function

helper.go

@@ -1,5 +1,11 @@
 package main
 
+import (
+    "os"
+    "os/exec"
+    "runtime"
+)
+
 func filter[T any](ss []T, test func(T) bool) (ret []T) {
     for _, s := range ss {
         if test(s) {
@@ -7,4 +13,15 @@ func filter[T any](ss []T, test func(T) bool) (ret []T) {
         }
     }
     return
+}
+
+func clearTerminal() {
+    var cmd *exec.Cmd
+    if runtime.GOOS == "windows" {
+        cmd = exec.Command("cmd", "/c", "cls")
+    } else {
+        cmd = exec.Command("clear")
+    }
+    cmd.Stdout = os.Stdout
+    cmd.Run()
 }

main.go

@@ -11,6 +11,8 @@ import (
 )
 
 func main() {
+    clearTerminal()
+
     p := tea.NewProgram(initialModel())
     if _, err := p.Run(); err != nil {
         fmt.Printf("Alas, there's been an error: %v", err)