fix: crash on bad model_specs from audio.cpp, sanitized

1 files changed, 12 insertions, 4 deletions

diff --git a/app/ui/hub.py b/app/ui/hub.py
index 24c779f..ef41d0b 100644
--- a/app/ui/hub.py
+++ b/app/ui/hub.py
@@ -1163,17 +1163,25 @@ def _audiocpp_fields(stdscr, api_url: Optional[str] = None,
             entry.get("id") or "")
 
     def reset_voice(fields) -> None:
-        """Re-point the Voice field at the newly selected model's voice."""
+        """Re-point the Voice field at the newly selected model's voice.
+
+        A model switch that keeps the same voice list (two clone entries
+        sharing one server's voices) keeps the current pick: only a value
+        the new list cannot offer is re-pointed at its default.
+        """
         voice_field = next(f for f in fields
                            if f.get("key") == prefix + "audiocpp_voice")
         capability = model_capability(fields)
         if capability == AUDIOCPP_VOICE_DESIGN:
             voice_field["value"] = None
-        elif capability == AUDIOCPP_VOICE_SPEAKER:
-            voice_field["value"] = QWEN3_TTS_SPEAKERS[0]
+            return
+        if capability == AUDIOCPP_VOICE_SPEAKER:
+            voices = QWEN3_TTS_SPEAKERS
         else:  # clone
             voices = voices_for(_field_value(fields, prefix + "model_id"))
-            voice_field["value"] = voices[0] if voices else ""
+        if voice_field.get("value") in voices:
+            return  # the new list still offers the pick: keep it
+        voice_field["value"] = voices[0] if voices else ""
 
     def voice_choices(fields) -> list:
         capability = model_capability(fields)