[Fix] Prevent last run output to leak to next run's logs (#3454)

* Prevent last log output to leak to next run

* Don't initialize log on append, only on init

src/backend/logger/logger.ts

@@ -360,7 +360,7 @@ const logsWriters: Record<string, LogWriter> = {}
 
 class LogWriter {
   gameInfo: GameInfo
-  queue: string[] | undefined
+  queue: string[]
   initialized: boolean
   timeoutId: NodeJS.Timeout | undefined
   filePath: string
@@ -369,11 +369,10 @@ class LogWriter {
     this.gameInfo = gameInfo
     this.initialized = false
     this.filePath = lastPlayLogFileLocation(gameInfo.app_name)
+    this.queue = []
   }
 
   logMessage(message: string) {
-    this.queue ??= []
-
     // push messages to append to the log
     this.queue.push(message)
 
@@ -465,8 +464,7 @@ class LogWriter {
 }
 
 export function appendGameLog(gameInfo: GameInfo, message: string) {
-  logsWriters[gameInfo.app_name] ??= new LogWriter(gameInfo)
-  logsWriters[gameInfo.app_name].logMessage(message)
+  logsWriters[gameInfo.app_name]?.logMessage(message)
 }
 
 export function initGameLog(gameInfo: GameInfo) {