# backend/src/media_library_viewer_api/services (index)
dir: backend/src/media_library_viewer_api/services

## role
Backend service layer providing business logic for media library management, backup monitoring, email notifications, SSH task execution, encryption, and persistent settings storage.
## parent
index: backend/src/media_library_viewer_api/.pi-map.index.md
map: backend/src/media_library_viewer_api/.pi-map.md
## children
-
## files
- __init__.py
- backup_alert_engine.py
- backup_poller.py
- db_maintenance.py
- known_hosts.py
- mail_queue.py
- mailer.py
- mailer_impl.py
- media_index.py
- media_index_impl.py
- secrets.py
- settings_store.py
- targets.py
- task_runner.py
## links
index: backend/src/media_library_viewer_api/services/.pi-map.index.md
map: backend/src/media_library_viewer_api/services/.pi-map.md
## workflows
- change services behavior
  read: __init__.py, backup_alert_engine.py, backup_poller.py
## dirty
-
