Add optional KEEP_LOCAL_BACKUP environment variable to control local backup retention. Default behavior remains unchanged: backup files are deleted locally after successful upload, keeping deployments safe on Railway and other PaaS platforms with ephemeral storage. When KEEP_LOCAL_BACKUP=true is set, backups are preserved locally, which is useful for CLI usage, local machines, VPS, or NAS workflows. Documentation and CLI output were updated for clarity. No breaking changes. |
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| __init__.py | ||
| cli.py | ||