Cleaner rsync still submits messages to server

The cleaner rsync that removes files when "Visit complete" is triggered cleans up files properly, but still sends messages to the server to increment the file count for an rsync instance that has been killed by that point. The logic that sets whether to notify listeners is broken somewhere, and thus needs investigating.

追蹤由“Visit complete”觸發的更乾淨 rsync 清理路徑，並檢查決定是否通知監聽器的邏輯。重現或檢查清理流程，然後驗證遭到終止的 rsync 執行個體不再向伺服器傳送檔案計數訊息。

由索引模型根據 Issue 內容生成。