Gemini CLI v0.32.0

Generalist Agent: The generalist agent is now enabled to improve task delegation and routing ( #19665 by @joshualitt).

Model Steering in Workspace: Added support for model steering directly in the workspace ( #20343 by @joshualitt).

Plan Mode Enhancements: Users can now open and modify plans in an external editor, and the planning workflow has been adapted to handle complex tasks more effectively with multi-select options ( #20348 by @Adib234, #20465 by @jerop).

Interactive Shell Autocompletion: Introduced interactive shell autocompletion for a more seamless experience ( #20082 by @mrpmohiburrahman).

Parallel Extension Loading: Extensions are now loaded in parallel to improve startup times ( #20229 by @scidomino).