feat: add model/MODEL_NAME parameters

in order to allow for better efficiency and consistency

transcription.py

@@ -1,5 +1,11 @@
 import re
 
+try:
+    from settings import MODEL_NAME
+except ImportError:
+    print("settings.py nicht gefunden, verwende settings_example.py")
+    from settings_example import MODEL_NAME
+
 # Mapping von gesprochenen Buchstaben (deutsch) auf Zeichen
 SPOKEN_TO_CHAR = {
     "a": "a", "ah": "a",
@@ -60,9 +66,11 @@ def _normalize_transcription(raw_text):
             print(f"Unbekanntes Token: '{token}'")
     return ''.join(result)
 
-def transcribe_audio_with_whisper(mp3_path):
-    import whisper
-    model = whisper.load_model("small")
+def transcribe_audio_with_whisper(mp3_path, model=None):
+    if model is None:
+        import whisper
+        model = whisper.load_model(MODEL_NAME)
+
     result = model.transcribe(str(mp3_path), language='de')
     raw_text = result["text"]
     print("Raw transcription:", raw_text)