with this command you git clone agama - but explicitly just the pkg_automation_electrum branch (therefore --single-branch) which we also use for the release packages.
In dev mode backend is configured to send/receive messages from/to http://127.0.0.1:3000 address. If you open it as http://localhost:3000 sockets server will reject any messages.
In dev mode backend is configured to send/receive messages from/to http://127.0.0.1:3000 address. If you open it as http://localhost:3000 sockets server will reject any messages.