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app.py

@@ -59,7 +59,7 @@ if not hasattr(torchaudio, "info"):
 
 from df.enhance import enhance, init_df, load_audio, save_audio
 
-# FORCE BUILD TRIGGER: 15:45:00 Jan 20 2026
+# FORCE BUILD TRIGGER: 15:58:00 Jan 20 2026
 
 # 🛠️ Monkeypatch torchaudio.load
 try:
@@ -150,6 +150,15 @@ def core_process(request_dict):
     elif action == "tts":
         text = request_dict.get("text")
         lang = request_dict.get("lang")
+        
+        if not text or not text.strip():
+            return {"error": "TTS Error: Input text is empty"}
+            
+        # 🧹 Normalize language code
+        if lang: 
+            lang = lang.strip().lower()
+            # Map complex codes to 2-letter codes if needed, e.g., 'fr-fr' -> 'fr'
+            if '-' in lang: lang = lang.split('-')[0]
         speaker_wav_b64 = request_dict.get("speaker_wav")
         speaker_wav_path = None
         if speaker_wav_b64: