fix(a11y prompter): multi select defaults are readable

internal/prompter/accessible_prompter_test.go

@@ -147,6 +147,37 @@ func TestAccessiblePrompter(t *testing.T) {
 		assert.Equal(t, []int{1}, multiSelectValue)
 	})
 
+	t.Run("MultiSelect - default value is in prompt and in readable format", func(t *testing.T) {
+		console := newTestVirtualTerminal(t)
+		p := newTestAccessiblePrompter(t, console)
+		dummyDefaultValues := []string{"foo", "bar"}
+		options := []string{"1", "2"}
+		options = append(options, dummyDefaultValues...)
+
+		go func() {
+			// Wait for prompt to appear
+			_, err := console.ExpectString("Select a number (defaults: foo, bar)")
+			require.NoError(t, err)
+
+			// Don't select anything because the defaults should be selected.
+
+			// This confirms selections
+			_, err = console.SendLine("0")
+			require.NoError(t, err)
+		}()
+
+		multiSelectValues, err := p.MultiSelect("Select a number", dummyDefaultValues, options)
+		require.NoError(t, err)
+		var expectedIndices []int
+
+		// Get the indices of the default values within the options slice
+		// as that's what we expect the prompter to return when no selections are made.
+		for _, defaultValue := range dummyDefaultValues {
+			expectedIndices = append(expectedIndices, slices.Index(options, defaultValue))
+		}
+		assert.Equal(t, expectedIndices, multiSelectValues)
+	})
+
 	t.Run("Input", func(t *testing.T) {
 		console := newTestVirtualTerminal(t)
 		p := newTestAccessiblePrompter(t, console)

internal/prompter/prompter.go

@@ -121,6 +121,7 @@ func (p *accessiblePrompter) Select(prompt, defaultValue string, options []strin
 
 func (p *accessiblePrompter) MultiSelect(prompt string, defaults []string, options []string) ([]int, error) {
 	var result []int
+	prompt = p.addDefaultsToPrompt(prompt, defaults)
 	formOptions := make([]huh.Option[int], len(options))
 	for i, o := range options {
 		// If this option is in the defaults slice,