Better error diagnostics

app.py

@@ -89,6 +89,10 @@ def text_to_speech_app(prompt: str, voice: str, emotion: str, use_random_seed: b
     active_key = user_provided_key if user_provided_key else SYSTEM_API_KEY
     is_paid_user = len(user_provided_key) > 5
 
+    # Check if we have ANY key
+    if not active_key:
+        return None, "❌ Erreur: Secret 'POLLINATIONS_TOKEN' manquant dans les paramètres du Space (Hugging Face Settings -> Secrets)."
+
     # 2. Validation
     if not prompt.strip():
         raise gr.Error("Prompt cannot be empty.")