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

app/src/ai/blocklist/input_model.rs

@@ -8,6 +8,7 @@
 use std::sync::Arc;
 
 use futures::stream::AbortHandle;
+use galaxy_completer::completer::CompletionContext;
 use galaxy_core::features::FeatureFlag;
 use galaxyui::{AppContext, Entity, EntityId, ModelContext, ModelHandle, SingletonEntity};
 use input_classifier::util::{is_agent_follow_up_input, is_one_off_natural_language_word};
@@ -17,7 +18,6 @@ use parking_lot::FairMutex;
 use serde::{Deserialize, Serialize};
 use session_sharing_protocol::common::{InputMode, InputType as ProtocolInputType};
 use settings::Setting as _;
-use galaxy_completer::completer::CompletionContext;
 
 /// The source of the final input type decision applied to the user input.
 #[derive(Debug, Copy, Clone, PartialEq, Eq, Serialize, Deserialize)]