feat: update player auth, fix bugs

scripts/ui/profile_panel.gd

@@ -80,6 +80,7 @@ func _connect_signals() -> void:
 	char_right_btn.pressed.connect(func(): _cycle_loadout_char(1))
 	set_default_btn.pressed.connect(_on_set_default_pressed)
 
+	UserProfileManager.profile_loaded.connect(func(p): _on_profile_updated())
 	UserProfileManager.profile_updated.connect(_on_profile_updated)
 	UserProfileManager.profile_update_failed.connect(_on_profile_update_failed)
 	
@@ -172,6 +173,8 @@ func _on_set_default_pressed() -> void:
 	_refresh_loadout_ui()
 	# Persist to storage
 	_save_loadout_to_profile()
+	# Sync to leaderboard immediately
+	UserProfileManager.submit_to_leaderboard()
 
 func _save_loadout_to_profile() -> void:
 	"""Save loadout_character field to Nakama profile storage."""
@@ -336,7 +339,7 @@ func _setup_account_settings_ui() -> void:
 	reset_stats_btn.pressed.connect(func():
 		var conf = ConfirmationDialog.new()
 		conf.dialog_text = "Are you SURE you want to irreversibly wipe all your stats to 0?"
-		add_child(conf)
+		acc_settings_dialog.add_child(conf)
 		conf.popup_centered()
 		conf.confirmed.connect(func():
 			var r = await NakamaManager.client.rpc_async(NakamaManager.session, "reset_stats", "{}")
@@ -376,6 +379,10 @@ func _on_close_pressed() -> void:
 	emit_signal("closed")
 
 func show_panel() -> void:
+	if not UserProfileManager.is_profile_loaded:
+		status_label.text = "Loading profile from server..."
+		status_label.add_theme_color_override("font_color", Color.YELLOW)
+	
 	_load_profile_data()
 	_load_loadout()
 	_check_admin_visibility()