I built my own event bus for a sustainability app — here's what I learned about agent automation using OpenClaw

This is a submission for the OpenClaw Challenge. What I Built PlanetLedger is a sustainability finance dashboard that turns your bank statements into environmental intelligence. You upload a CSV or PDF statement, and the app automatically categorises every transaction, calculates a planet impact score, and fires off a chain of automated workflows — all powered by an event bus I called OpenClaw. The idea is simple: most people have no idea whether their everyday spending is environme...