How accidentally exhausting Firestore's free-tier limit transformed a rushed MVP into a more resilient anti-proxy attendance system. Introduction When I started building an attendance system for my university's UBA (Unnat Bharat Abhiyan) club, I had one clear instruction from our coordinator: "B...
Source: [Dev.to](https://dev.to/siddarthpatelkama/i-didnt-plan-to-build-an-offline-first-attendance-system-firestore-forced-me-to-259a)