Function handle_command 

pub async fn handle_command(
    __arg0: State<AppState>,
    __arg1: Query<FormatParams>,
    headers: HeaderMap,
    __arg3: Json<StatementRequest>,
) -> Result<Response, AppError>

Execute a write command.

Commands include INSERT, UPDATE, and DELETE statements.

Authentication

Supported via one of:

• Authorization: Bearer <token> header
• No credentials (anonymous access)