Handle `UnboundLocalError` in punctuation model lookup: add exception handling to ensure stability during transcription.

src/VoiceDialogue/services/speech/recognizers/models/funasr.py

@@ -57,7 +57,10 @@ class FunASRClient(ASRInterface):
         transcibed_texts = []
         for segment in segments:
             content = segment.get("preds", "")
-            content, _ = self.punc_model(content)
+            try:
+                content, _ = self.punc_model(content)
+            except UnboundLocalError as e:
+                print(f'[WARNING] Punctuation model failed: {e}')
             content = self._fix_spaced_uppercase(content)
             transcibed_texts.append(content)
         return " ".join(transcibed_texts)