Chhaya: A Shade-First Walking Map for Tropical Cities
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 1: Touch Grass TL;DR: Chhaya (ছায়া = "shade") is a live, open-source shade-first walking map + group hiking platform for Kolkata. It computes real building shadows in metric UTM, routes you through shade with dual-path "sun-minutes", lets you pick Club / Family / Trail mode, select any path, join any of 5 hiking groups, see + upload photo story cards on the map, and — hero feature — listens hands-free via ElevenLabs voice…