Module wizard 

Interactive onboarding wizard for Ralph initialization.

Responsibilities:

• Display welcome screen and collect user preferences.
• Guide users through runner, model, and phase selection.
• Optionally create a first task during setup.

Not handled here:

• File creation (see super::writers).
• CLI argument parsing (handled by CLI layer).

Invariants/assumptions:

• Wizard is only run in interactive TTY environments.
• User inputs are validated before returning WizardAnswers.

Structs

WizardAnswers

Answers collected from the interactive wizard.

Functions

print_completion_message

Print completion message with next steps.

run_wizard

Run the interactive onboarding wizard and collect user preferences.