Phase 3-4 of maintenance reminders.
scripts/maintenance-reminders.ts: thin CLI that opens the same
pg pool as the app and calls runRemindersOnce. Flags:
--soon-days N (default 7), --company <id> (default all),
--dry-run (count without firing), --backfill (mark all currently
due as already-sent, mutually exclusive with --dry-run). Prints a
single-line JSON summary so journald/jq handles it cleanly.
package.json: + reminders:check script.
DEPLOYMENT.md: documents the systemd .service + .timer pair for
06:00 daily, with Persistent=true so a missed run during host
downtime still fires on next boot. Includes the first-deploy
protocol (--dry-run to scope, then either let day-one alert or
--backfill for a clean slate).
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
grabowski
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