feat(tui): add interactive TUI elements with charmbracelet/huh

[CalvinAllen]

Summary

Add interactive TUI elements to enhance user experience using the charmbracelet/huh library.

Proposed Features

Interactive Selection Menus

Version selection for install/uninstall commands:

• dtvem install python could show a filterable/searchable list of available versions
• dtvem uninstall node could present installed versions to choose from
• Arrow key navigation with type-ahead filtering

Interactive Confirmations

Better UX for destructive operations:

• Styled confirmation dialogs replacing simple y/n prompts
• Multi-select for batch operations (e.g., uninstalling multiple versions)

Implementation Notes

• Could be opt-in via flags (e.g., --interactive or -i)
• Should gracefully degrade in non-TTY environments
• Builds on the existing internal/tui package from Add TUI styled output with lipgloss #104

Recommended Library

charmbracelet/huh - Interactive forms and prompts from the Charm ecosystem.

Related

• Add TUI styled output with lipgloss #104 - TUI styled output (prerequisite)