NewManager creates a new UI manager.

RenderBox renders text in a box.

RenderError formats an error message in a bold red style using errorStyle.

RenderHighlight renders text in the highlight style.

RenderInfo formats an informational message in blue using color.BlueString.

RenderSuccess formats a success message in a bold green style using successStyle.

RenderTable creates a textual table from headers and rows.

RenderTitle renders a title with an optional subtitle.

RenderTitleWithBorder renders a title enclosed in a decorative border using titleStyle.

RenderWarning formats a warning message in yellow using color.YellowString.

RenderWelcome returns the welcome message.

Manager handles UI interactions and progress tracking.

ProgressTracker defines the interface for tracking progress.