increase time for L40s

app.py

@@ -174,7 +174,7 @@ def validate_file_structure():
     print("✅ All required files found")
     return True
 
-@spaces.GPU(duration=600) # H200 on ZeroGPU is free for 25mins, for compatibility on A10G large and L40s
+@spaces.GPU(duration=900) # H200 on ZeroGPU is free for 25mins, for compatibility on A10G large and L40s
 def generate_music_spaces(lyrics: str, genre: str, mood: str, theme: str, progress=gr.Progress()) -> str:
     """
     Generate music using YuE model with high-performance Spaces configuration