Merge the off-host backup variable documentation

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Marc-André Bombeck committed 2026-09-10 01:07:00 +02:00
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@@ -54,8 +54,10 @@ Cloudflare R2 the **Object Read & Write** token already covers all three.
## Bucket lifecycle (recommended)
The worker prunes objects older than `BACKUP_RETENTION_DAYS`, but the
storage provider's lifecycle rule is the canonical safety net:
The worker never deletes a backup object: its grant covers PutObject,
GetObject and AbortMultipartUpload only, so a compromised worker cannot
wipe the history. Expiry is the storage provider's lifecycle rule, set to
match `BACKUP_RETENTION_DAYS`:
```
Filter: "" (all objects)