feat: the rebuild gamemode of "Gauntlet"

scripts/ui/social_panel.gd

@@ -103,15 +103,14 @@ func _on_search_pressed() -> void:
 		return
 
 	_search_btn.disabled = true
-	var payload = JSON.stringify({"query": query})
-	var result = await NakamaManager.client.rpc_async(NakamaManager.session, "search_users", payload)
+	var result = await BackendService.search_users(query)
 	_search_btn.disabled = false
 
-	if result.is_exception():
-		push_warning("[Social] Search failed: " + result.get_exception().message)
+	if result.get("success", false) == false:
+		push_warning("[Social] Search failed: " + str(result.get("error", "")))
 		return
 
-	var response = JSON.parse_string(result.payload)
+	var response = result.get("data", {})
 	if not response or not response.has("users"):
 		return