Update model card: remove stub, add duration note

README.md

@@ -46,20 +46,12 @@ This repository contains an MLX-native 4-bit conversion of MOSS SoundEffect for
 Command-line generation with [`mlx-speech`](https://github.com/appautomaton/mlx-speech):
 
 ```bash
-python scripts/generate_moss_sound_effect.py \
+python scripts/generate/moss_sound_effect.py \
   --ambient-sound "rolling thunder with steady rainfall on a metal roof" \
   --duration-seconds 8 \
   --output outputs/thunder.wav
 ```
 
-Minimal Python usage:
-
-```python
-from mlx_speech.generation import MossSoundEffectModel
-
-model = MossSoundEffectModel.from_path("mlx-4bit")
-```
-
 ## Notes
 
 - This repo contains the quantized MLX runtime artifact only.