adding task to test gameservice

documentation/backlog.md

@@ -32,6 +32,9 @@ Things that are actively in progress or should be picked up immediately. Mostly
 - **Conditionally register OAuth providers** `[debt]`
   Better Auth logs warnings when social providers are registered without credentials (`Social provider google is missing clientId or clientSecret`). Instead of registering all providers unconditionally, only add a provider to the config when its credentials are present in the environment. Keeps local dev clean for contributors who don't have OAuth apps set up.
 
+- **Multiplayer GameService unit tests** `[debt]`
+  round evaluation, scoring, tie-breaking, timeout handling 
+
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 ## next