Fix cursor focus and selection in input box, add AWS env var warning box, and remove AWS Bedrock login banner

crates/galaxy_cli/src/lib.rs

@@ -4,10 +4,9 @@ use std::path::Path;
 use std::{env, fmt};
 
 use clap::{CommandFactory, Parser, Subcommand, ValueEnum};
-use url::Url;
-
 use galaxy_core::channel::ChannelState;
 use galaxy_core::features::FeatureFlag;
+use url::Url;
 
 use crate::agent::OutputFormat;