implemented donwload upload handling with username

app/src/main/java/com/dano/test1/HandlerOpeningScreen.kt

@@ -434,17 +434,25 @@ class HandlerOpeningScreen(private val activity: MainActivity) {
     private fun setupUploadButton() {
         uploadButton.text = t("upload")
         uploadButton.setOnClickListener {
+            // Token aus dem Login (MainActivity speichert es in TokenStore)
+            val token = TokenStore.getToken(activity)
+            if (token.isNullOrBlank()) {
+                Toast.makeText(
+                    activity,
+                    t("login_required") ?: "Bitte zuerst einloggen",
+                    Toast.LENGTH_LONG
+                ).show()
+                return@setOnClickListener
+            }
+
+            // wie gewohnt: Client-Code merken, dann direkt hochladen
             GlobalValues.LAST_CLIENT_CODE = editText.text.toString().trim()
-            promptCredentials(
-                title = t("login_required") ?: "Login erforderlich",
-                onOk = { user, pass ->
-                    // Login -> Upload
-                    DatabaseUploader.uploadDatabaseWithLogin(activity, user, pass)
-                }
-            )
+            DatabaseUploader.uploadDatabaseWithToken(activity, token)
+            // Hinweis: Nach erfolgreichem Upload schließt sich die App (exitProcess(0)) wie bisher.
         }
     }
 
+
     private fun setupDownloadButton() {
         downloadButton.text = t("download")
         downloadButton.setOnClickListener {