Implement item comparison to prevent unnecessary re-renders when completion items
haven't actually changed. Optimize refresh logic to only trigger when workspace
files content changes. Improve completion menu stability and responsiveness.
refactor(vscode-ide-companion/handlers): remove SettingsMessageHandler and consolidate functionality
Move setApprovalMode functionality from SettingsMessageHandler to SessionMessageHandler
to reduce code duplication and simplify message handling architecture. Remove unused
settings-related imports and clean up message router configuration.
chore(vscode-ide-companion/ui): minor UI improvements and code cleanup
Consolidate imports in SessionSelector component.
Remove debug console log statement from FileMessageHandler.
Move getTimeAgo utility function to sessionGrouping file and remove obsolete timeUtils file.
Clean up completion menu CSS classes.
