Update Dockerfile

Dockerfile

@@ -16,7 +16,7 @@ RUN pip install --no-cache-dir -r requirements.txt
 # GGUF model (gemma3 architecture, compatible)
 RUN mkdir models && \
     curl -L -o models/Sam-reason-S2.1.Q4_K_S.gguf \
-    https://huggingface.co/TheBloke/Mistral-7B-v0.1-GGUF && \
+    https://huggingface.co/TheBloke/Mistral-7B-v0.1-GGUF/blob/main/mistral-7b-v0.1.Q4_K_S.gguf && \
     test $(stat -c%s models/Sam-reason-S2.1.Q4_K_S.gguf) -gt 300000000 || (echo "Model download failed or incomplete" && exit 1)
 
 COPY agent.py .