Function handle_ws 

pub(crate) async fn handle_ws(
    ws: WebSocketUpgrade,
    __arg1: State<AppState>,
) -> impl IntoResponse

Upgrades an HTTP request into a WebSocket export session.

The session runs process_socket; its errors are logged, not returned.

Arguments

• ws - Axum WebSocket upgrade extractor.
• state - Shared exporter state.