Personal Earth Assistant: Weekend Challenge - Earth Day Edition

This is a submission for Weekend Challenge: Earth Day Edition What I Built Personal Earth Assistant is a small full-stack app that helps people think about lower-impact everyday choices —commute, home size, diet, flights, and energy habits—without pretending to be a full carbon calculator. Goals: Give users a simple “Private Earth Score” (0–100) from a transparent rubric, not a black box. Offer a chat coach that reads their saved profile and can update habits via server-side tools (so the model