V6.1 continue beating on the backup

.env.production.example

@@ -31,7 +31,14 @@ SQLITE_CHECK_SAME_THREAD=false
 # --- filesystem paths ---
 UPLOAD_DIR=/app/uploads
 PROMPT_DIR=/app/prompts
-DATABASE_BACKUP_DIR=/app/data/backups
+DATABASE_BACKUP_DIR=/backup
+# --- backup workflow helpers (not Runtime Settings model fields) ---
+BACKUP_DIR=/backup
+# APP_DATA_BACKUP_DIR=/backup/data
+# UPLOADS_BACKUP_DIR=/backup/uploads
+BACKUP_RETENTION_DAYS=14
+# Optional mounted Synology destination path for replicated dumps
+# SYNOLOGY_BACKUP_DIR=/mnt/synology/transcription-backups
 
 # --- worker reliability ---
 WORKER_MAX_RETRIES=0
@@ -53,9 +60,6 @@ POSTGRES_PASSWORD=replace-with-strong-password
 # Required for token-based tunnel startup.
 CLOUDFLARE_TUNNEL_TOKEN=replace-with-cloudflare-tunnel-token
 
-# --- backup workflow helpers ---
-# Used by deploy/backup/create_postgres_backup.sh
-BACKUP_DIR=./data/backups
-BACKUP_RETENTION_DAYS=14
-# Optional mounted Synology destination path for replicated dumps
-# SYNOLOGY_BACKUP_DIR=/mnt/synology/transcription-backups
+# --- deployment wiring helpers ---
+# Runtime Settings writes target this file path inside the app container.
+RUNTIME_SETTINGS_ENV_FILE=/app/.env.production