`npm run backup` ran scripts/backup.mjs, which read process.env.DATABASE_URL
directly and exited when it was unset. On the production box DATABASE_URL is NOT
exported -- the connection is resolved (D19) -- so the backup command could never
reach the real data.
The dump now lives in apps/hq (src/backup.ts + a thin scripts/backup.ts CLI, the
same split the other maintenance scripts use, so it is typechecked and unit
tested) and resolves its target through the shared resolveDbUrl. It logs the
resolved host/db -- never the password -- before pg_dump runs, and a SQLite
outcome is a loud error naming backup-hq.sh instead of a dump of nothing.
Behaviour otherwise unchanged: -Fc dump under ./backups (or HQ_BACKUP_DIR),
rotation to the newest HQ_BACKUP_KEEP (default 14), same pg_dump discovery.
The .mjs entry could not import the TS resolver, and duplicating the resolution
would have re-introduced the copy of the production connection string that
6f50799 deliberately removed -- hence the move to TS. `npm run backup` is
unchanged for the operator; prod already runs `npx tsx apps/hq/scripts/...` for
maintenance (see DEPLOY-HQ.md), so tsx is on the box.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>