AlgoCar — the invoice is raised off the work order itself
Our own product: not a handover, but vehicle service software whose upkeep we carry. The invoice is no separate module. A work order opens, the work done and the parts consumed are written into it, and the invoice is raised off that same record, so its lines never reach an accounting screen a second time. The field side sits in a React Native (Expo) app: a technician closes the job from the phone, and what the invoice rests on is ready then. The panel runs on Laravel, Inertia brings its screens, MySQL holds records and Redis the cache. The vehicle context is plain: what travels is not the screens but where the invoice comes from.
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