https://vinitchuri.me/writing Vinit Churi is an engineer in Mumbai who builds products and AI agents for real problems: TraceSarkar for civic accountability, Hookline and ReelForge for short-form video, and Fillmore, a form-filling agent. en-in Wed, 14 Oct 2026 00:00:00 GMT https://vinitchuri.me/writing/tracesarkar-bands-not-percentages https://vinitchuri.me/writing/tracesarkar-bands-not-percentages Wed, 14 Oct 2026 00:00:00 GMT How TraceSarkar matches a photo of a pothole to the ward that owns the road and the contract that paid for it — and why every gate is built to ask rather than guess. Building Vinit Churi https://vinitchuri.me/writing/viharsync-ledger-in-paise https://vinitchuri.me/writing/viharsync-ledger-in-paise Wed, 14 Oct 2026 00:00:00 GMT Why ViharSync keeps a real double-entry ledger, stores every rupee as an integer, and lets Postgres refuse any journal entry that doesn’t add up. Building Vinit Churi https://vinitchuri.me/writing/reelforge-39-experiments https://vinitchuri.me/writing/reelforge-39-experiments Wed, 14 Oct 2026 00:00:00 GMT WebCodecs, WebGPU, OPFS and on-device AI: how we’re de-risking an editor that runs entirely in the browser — and where the agentic part of ReelForge will come from. Building Vinit Churi, Kenil Joshi https://vinitchuri.me/writing/tracesarkar-no-model-in-the-path https://vinitchuri.me/writing/tracesarkar-no-model-in-the-path Wed, 14 Oct 2026 00:00:00 GMT TraceSarkar uses AI to read a photograph. It refuses to use AI to write a sentence about anyone. Here’s where we drew that line, and why. Principles Vinit Churi https://vinitchuri.me/writing/viharsync-rebuilt-with-agents https://vinitchuri.me/writing/viharsync-rebuilt-with-agents Wed, 14 Oct 2026 00:00:00 GMT We chose a stack for AI agents to write, then built guardrails so strict that an agent can’t finish while anything is broken. What that looked like in practice. Building Vinit Churi https://vinitchuri.me/writing/reelforge-one-filter-graph https://vinitchuri.me/writing/reelforge-one-filter-graph Wed, 14 Oct 2026 00:00:00 GMT From a canvas preview in the browser to an .ass subtitle file and one filter_complex on the server — the render pipeline behind every ReelForge export. Building Kenil Joshi, Vinit Churi https://vinitchuri.me/writing/tracesarkar-safe-by-construction https://vinitchuri.me/writing/tracesarkar-safe-by-construction Wed, 14 Oct 2026 00:00:00 GMT Faces destroyed before any model sees them, locations snapped instead of jittered, and database constraints that make the unsafe path impossible rather than unlikely. Building Vinit Churi https://vinitchuri.me/writing/viharsync-the-law-in-the-software https://vinitchuri.me/writing/viharsync-the-law-in-the-software Wed, 14 Oct 2026 00:00:00 GMT Billing bases, a 12% interest cap, complaint clocks and refuge floors that must never become flats. What we learned turning bye-laws into types and constraints. Product Vinit Churi, Kenil Joshi, Abhilash Pal, Abhishek https://vinitchuri.me/writing/reelforge-free-tier-that-pays https://vinitchuri.me/writing/reelforge-free-tier-that-pays Wed, 14 Oct 2026 00:00:00 GMT Geo-priced plans in rupees and dollars, payments confirmed twice and activated once, and the quiet cost controls that let a video product offer a free plan at all. Launch Vinit Churi, Kenil Joshi https://vinitchuri.me/writing/viharsync-launch-checklist https://vinitchuri.me/writing/viharsync-launch-checklist Wed, 14 Oct 2026 00:00:00 GMT ViharSync V2 runs end to end on a demo society. Here is the honest list of what still stands between that and real money moving through it. Launch Vinit Churi, Kenil Joshi, Abhilash Pal, Abhishek