https://lahon.in/blog Stories, thoughts, and things worth writing down — engineering deep-dives and notes from building things. en-us Wed, 22 Jul 2026 00:00:00 GMT https://lahon.in/blog/coaching-center-management-system https://lahon.in/blog/coaching-center-management-system Wed, 22 Jul 2026 00:00:00 GMT What I built for Success Point Gogamukh wasn't just a website — it's a full operating system for a coaching business. Every feature, every screen, and what it would take to build one for your institute. https://lahon.in/blog/building-success-point-gogamukh https://lahon.in/blog/building-success-point-gogamukh Tue, 21 Jul 2026 00:00:00 GMT Next.js App Router and Server Actions, a Prisma/PostgreSQL schema built around live classes, phone+OTP auth with per-attempt SMS cost tracking, Web Push, an offline-ready PWA, and an immutable audit log — the full engineering breakdown of a real client platform. https://lahon.in/blog/why-digitalise-your-coaching-business https://lahon.in/blog/why-digitalise-your-coaching-business Fri, 17 Jul 2026 00:00:00 GMT A signboard and word of mouth used to be enough. For coaching centers and schools competing for the same batch of NEET, JEE, and ADRE aspirants, they no longer are. https://lahon.in/blog/building-wormhole-p2p-messaging https://lahon.in/blog/building-wormhole-p2p-messaging Sun, 05 Jul 2026 00:00:00 GMT A private tunnel between exactly two phones — WebRTC, NaCl encryption, no servers in the middle. Every diagram, flowchart, and hard-won lesson from building it. https://lahon.in/blog/why-im-building-innercast https://lahon.in/blog/why-im-building-innercast Fri, 03 Jul 2026 00:00:00 GMT Mental health is the one thing we track the least about ourselves, yet it shapes everything else. A private, on-device mood diary that checks in daily and writes the story back to you.