refactor: update sessions map

[harsh-98]

No description provided.

[zonyitoo]

This would be a breaking change. Keeping conv to be an async function should have no extra cost.

[harsh-98]

This would be a breaking change. Keeping conv to be an async function should have no extra cost.

Mark conv as async.

[zonyitoo]

You should run cargo fmt and cargo clippy to use Rust common coding style.

[zonyitoo]

What's the difference between your changed version and the older one?

[harsh-98]

This is just refactor now, removing common logic for adding new session.

[zonyitoo]

There are too many .unwrap() in your refactored code, which is not Rust-styled.