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Offline-First Healthcare PWA (Clinic Management)
Developed a multi-tenant Progressive Web App (PWA) handling 100+ daily patients.
Key Features:
Engineered an offline-first architecture using IndexedDB for uninterrupted token generation without internet.
Background synchronization via Supabase when connectivity is restored.
Built a real-time TV display syncing architecture with Next.js.
IndexedDB for offline token generation + background sync to Supabase once connectivity returns is exactly the right call for a clinic that can't afford downtime. The conflict-resolution side of that sync is usually the hard part — how are you handling it if two devices generate...
Hi Dusko, spot on! That was exactly the trickiest part to nail down.
To prevent overlapping queue numbers, we don't rely on the offline clients to generate the final sequential ID. Instead, when a device is offline, IndexedDB assigns a temporary UUID to the patient record so the...
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