Before updating your Space or running a large batch: click Download answer backup. Unavailable GAIA attachments (HTTP 404) are marked Skipped, not answered blindly. The batch stops at any model/API error or local budget limit. Your HF Space remains PUBLIC, but your API key must be stored only as a Secret. Audio transcription is disabled by default to avoid untracked charges. The answer cache and cost ledger persist only if /data persistent storage is mounted; otherwise export backups regularly.