this work is 70% finished. just needs to be checked and completed Before starting check everything has been done correctly and working with the original features. (Original features in file section) 1. check all features work that are from docuemnt 2. Communicate with http link POST /functions/ea-heartbeat { "symbol": "EURUSD", "last_seen": "2026-03-23T14:09:09.487Z" }