fixes for VAD. after good deployment

pipeline/orchestrator.py

@@ -144,8 +144,8 @@ class MockVADListener:
 
 try:
     from pipeline.vad_listener import VADListener
-except (ImportError, ModuleNotFoundError) as e:
-    logger.warning(f"VADListener import failed ({e}) — will use MockVADListener")
+except Exception as e:
+    logger.warning(f"VADListener import failed ({type(e).__name__}: {e}) — will use MockVADListener")
     VADListener = MockVADListener
 
 

pipeline/vad_listener.py

@@ -45,6 +45,8 @@ try:
     _SILERO_AVAILABLE = True
 except ImportError:  # pragma: no cover
     torch = None
+    VADIterator = None
+    load_silero_vad = None
     _SILERO_AVAILABLE = False
 
 from config import (
@@ -87,6 +89,12 @@ class VADListener:
     """
 
     def __init__(self):
+        if not _SILERO_AVAILABLE or load_silero_vad is None:
+            raise RuntimeError(
+                "Silero VAD is unavailable. Install torch and silero-vad "
+                "or use the MockVADListener fallback."
+            )
+
         logger.info("Loading Silero VAD model (ONNX, CPU)…")
         self._model = load_silero_vad(onnx=True)     # ONNX = no PyTorch GPU mem