There is no need to vote via CLI or web UI, just setup a bot with your validator or wherever you want to get notifications with vote options, and vote directly in telegram!
LAVA_BADGE_SERVER - whereby a user inputs their badge server address, or it is auto-populated by Lava’s default badge server.
Obviously, the application would have to check if LAVA_PRIV_KEY or LAVA_BADGE_ID were set and decide which one to use. Alternatively, you could have them set it in the config.toml (probably a better approach if you go this route!)