Use qwen3-asr throughout speech integrations

platform/hermes/config.yaml

@@ -133,8 +133,8 @@ display:
   language: "de"
   show_reasoning: false
 
-# Speech input stays local and private. A fixed German hint avoids Whisper
-# interpreting short utterances as English while retaining the fast base model.
+# Speech input stays local and private. The fixed German hint helps with
+# short utterances and product names.
 stt:
   enabled: true
   provider: "local"