task 002: restore Gemini fallback output and add failure coverage

2 files changed, 20 insertions, 1 deletions

diff --git a/internal/audio/fallbacks.go b/internal/audio/fallbacks.go
index bd0c86e..0c3ed83 100644
--- a/internal/audio/fallbacks.go
+++ b/internal/audio/fallbacks.go
@@ -22,7 +22,6 @@ func RunWithVoiceFallbacks(initialVoice string, generate func(voice string) erro
 		}
 
 		lastErr = err
-		fmt.Printf("Warning: Gemini returned no audio for voice %s\n", voice)
 	}
 
 	return "", fmt.Errorf("Gemini returned no audio for voices %s: %w", strings.Join(attempted, ", "), lastErr)
diff --git a/internal/audio/voices_test.go b/internal/audio/voices_test.go
index 5e940d0..3d936d1 100644
--- a/internal/audio/voices_test.go
+++ b/internal/audio/voices_test.go
@@ -105,4 +105,24 @@ func TestRunWithVoiceFallbacks(t *testing.T) {
 			t.Fatalf("attempted voices = %#v, want %#v", got, want)
 		}
 	})
+
+	t.Run("wraps exhausted Gemini voices", func(t *testing.T) {
+		var attempted []string
+		usedVoice, err := RunWithVoiceFallbacks("Charon", func(voice string) error {
+			attempted = append(attempted, voice)
+			return ErrGeminiNoAudioData
+		})
+		if !errors.Is(err, ErrGeminiNoAudioData) {
+			t.Fatalf("error = %v, want wrapped ErrGeminiNoAudioData", err)
+		}
+		if usedVoice != "" {
+			t.Fatalf("used voice = %q, want empty", usedVoice)
+		}
+		if got, want := attempted, []string{"Charon", "Kore", "Leda"}; !reflect.DeepEqual(got, want) {
+			t.Fatalf("attempted voices = %#v, want %#v", got, want)
+		}
+		if got := err.Error(); got != "Gemini returned no audio for voices Charon, Kore, Leda: no audio data returned from Gemini" {
+			t.Fatalf("error text = %q, want wrapped attempted-voices summary", got)
+		}
+	})
 }