WIP checkpoint: Main menu: hide the login/register form once authenticated, keep only the welcome message

scripts/main_menu.gd

@@ -8,6 +8,7 @@ extends Control
 ##
 ## On successful auth the token is stored via ApiClient, AuthButtonsRow hides,
 ## the welcome label shows the username, and the Play button becomes enabled.
+## The auth form fields are hidden, leaving only the welcome message visible.
 
 
 # ── UI references ────────────────────────────────────────────────────────────
@@ -173,12 +174,17 @@ func _on_auth_complete(result: Dictionary) -> void:
 	_is_authenticating = false
 
 	if result.ok:
-		# Success — show welcome, enable Play, hide the now-redundant
-		# Login/Register entry points (the auth panel itself stays open,
-		# showing the welcome message in place of the form).
+		# Success — hide the auth form fields, show only the welcome label.
+		_username_edit.visible = false
+		_password_edit.visible = false
+		_email_edit.visible = false
+		_dob_edit.visible = false
+		_mode_toggle.visible = false
+		_auth_button.visible = false
+		_auth_mode_label.visible = false
+		_status_label.visible = false
 		_welcome_label.text = "Welcome, %s!" % _username_edit.text.strip_edges()
 		_welcome_label.visible = true
-		_status_label.visible = false
 		_play_button.disabled = false
 		_auth_buttons_row.visible = false
 		print("Auth successful. Token stored.")

scripts/smoke_test_main_menu_full_flow.gd

@@ -1,9 +1,8 @@
 extends SceneTree
 ## Full click-through simulation of the real user flow: press Register,
 ## fill the form exactly as a human would, submit, confirm Play actually
-## becomes clickable. This is the check that would have caught the
-## original bug (no way to even open the form) and would catch a repeat
-## of it.
+## becomes clickable. Also verifies that after successful auth the auth
+## form fields are hidden, leaving only the welcome message visible.
 
 var passed := 0
 var failed := 0
@@ -27,7 +26,9 @@ func _run() -> void:
 	var password_edit: LineEdit = instance.get_node("CenterContainer/VBoxContainer/AuthPanel/MarginContainer/AuthVBox/PasswordEdit")
 	var email_edit: LineEdit = instance.get_node("CenterContainer/VBoxContainer/AuthPanel/MarginContainer/AuthVBox/EmailEdit")
 	var dob_edit: LineEdit = instance.get_node("CenterContainer/VBoxContainer/AuthPanel/MarginContainer/AuthVBox/DOBEdit")
+	var mode_toggle: CheckButton = instance.get_node("CenterContainer/VBoxContainer/AuthPanel/MarginContainer/AuthVBox/ModeToggle")
 	var auth_button: Button = instance.get_node("CenterContainer/VBoxContainer/AuthPanel/MarginContainer/AuthVBox/AuthButton")
+	var auth_mode_label: Label = instance.get_node("CenterContainer/VBoxContainer/AuthPanel/MarginContainer/AuthVBox/AuthModeLabel")
 	var welcome_label: Label = instance.get_node("CenterContainer/VBoxContainer/AuthPanel/MarginContainer/AuthVBox/WelcomeLabel")
 	var play_button: Button = instance.get_node("CenterContainer/VBoxContainer/PlayButton")
 
@@ -63,6 +64,17 @@ func _run() -> void:
 	_check("Welcome label visible", welcome_label.visible)
 	_check("Auth buttons row hid itself after success", not auth_buttons_row.visible)
 
+	# Verify the auth form fields are hidden after successful auth,
+	# leaving only the welcome message visible within the panel.
+	_check("Username edit hidden after auth", not username_edit.visible)
+	_check("Password edit hidden after auth", not password_edit.visible)
+	_check("Email edit hidden after auth", not email_edit.visible)
+	_check("DOB edit hidden after auth", not dob_edit.visible)
+	_check("Mode toggle hidden after auth", not mode_toggle.visible)
+	_check("Auth button hidden after auth", not auth_button.visible)
+	_check("Auth mode label hidden after auth", not auth_mode_label.visible)
+	_check("Welcome label contains username", welcome_label.text.begins_with("Welcome, mainmenu_e2e_"))
+
 	print("\n=== SMOKE RESULT: %d/%d passed ===" % [passed, passed + failed])
 	quit(0 if failed == 0 else 1)