How to schedule Raglite backups
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1. Create a cron entry that runs `raglite export --db ~/data/raglite.db --out ~/backups/$(date +%Y%m%d).zip`.
2. Enable WAL mode before exporting to keep readers online: `raglite pragma --db ~/data/raglite.db --set journal_mode=WAL`.
3. Copy the generated archive to an offline disk once per week.

Backups remain compact because Raglite stores content inside a single SQLite file.
