A courier-logistics SaaS across four platforms

Every courier company is an isolated workspace. All roles live in one User collection, and every database query is scoped by operatorId — isolation is a property of the data access layer, not a per-feature promise. Couriers and clients join through a short operator code instead of invites.

Why it matters: cross-tenant leaks are impossible by construction, and new features inherit isolation for free.

Order state propagates through Socket.io rooms per user. Every event carries a crypto-random _eventId so clients deduplicate replays; updates ship as deltas — only changed fields cross the wire. The mobile socket layer queues emits while offline and re-registers every listener after reconnecting, surviving up to 20 reconnect attempts with backoff.

Why it matters: a dispatcher sees a courier tap "picked up" within a second — with zero polling load on the server.

Couriers work in basements and dead zones. The entire delivery flow — accept, pick up, arrive, complete — runs against a local SQLite-backed action queue with connectivity-aware sync: actions execute instantly on-device and replay to the server in order when the network returns. Location tracking keeps working with the screen locked, tuned for battery.

Why it matters: the app never blocks a delivery on signal quality — the courier's day just works.

The pricing engine supports six modes — package, distance, weight combinations and polygon delivery zones drawn on the map with point-in-polygon detection. At the moment an order is created, the full pricing configuration and calculated breakdown freeze into the order as a pricingSnapshot.

Why it matters: prices can change tomorrow, but every historical order and invoice stays exactly as sold — pricing disputes end before they start.

rutalive.com/demo opens the real operator dashboard with no account and no backend: in demo mode the API layer is swapped client-side for a ~1,600-line in-browser router and deterministic data store. Orders, couriers, chat, analytics — even courier routes are computed over real roads. The demo can never be down and never needs seeding.

Why it matters: a prospect reaches the full product in one click — the strongest sales asset costs zero infrastructure.

Instead of GA4: a self-built visitor analytics pipeline with no cookies and no stored IPs — sessions are salted daily hashes, geo is derived on the fly, and server-side filters drop bots, HTTP clients, AI crawlers, prefetches and foreign-origin requests before they touch the data. Reports are shareable through revocable, expiring read-only links.

Why it matters: marketing decisions run on real humans only, and the analytics respects visitors by design.