Arunabh Shrivastava — WritingEssays and notes on software.https://arunabhshrivastava.com/Building FotoCraft: real-time composition guidance on iOShttps://arunabhshrivastava.com/blog/building-fotocraft/https://arunabhshrivastava.com/blog/building-fotocraft/How I shipped a SwiftUI app that teaches photography composition with on-device camera overlays, haptics, and OpenAI Vision scoring.Sat, 20 Jun 2026 00:00:00 GMTSwiftSwiftUIOpenAI VisioniOSRunning LLMs locally and in the cloud: a fallback strategyhttps://arunabhshrivastava.com/blog/document-explainer-local-fallback/https://arunabhshrivastava.com/blog/document-explainer-local-fallback/Document Explainer supports OpenAI in the cloud and Ollama on your own machine. Here's how I architected the smart fallback between them.Fri, 08 May 2026 00:00:00 GMTNode.jsOpenAIOllamaSupabase