completion

type Data struct {
	ProgramName string
	Flags       []FlagInfo
}

type FlagInfo struct {
	Name        string   // Flag name without dashes
	Description string   // Human-readable description
	HasValue    bool     // true for string flags, false for bool flags
	ValueHint   string   // Hint for value type (e.g., "DIR", "PATH", "NAME")
	Values      []string // Enumerated values for completion (e.g., theme names)
}