Add Space files

Dockerfile

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+# HuggingFace Spaces Dockerfile for Stack 2.9
+# Use this for free inference hosting on HF Spaces
+# https://huggingface.co/docs/hub/spaces-sdks-docker
+
+FROM python:3.11-slim
+
+# Set environment
+ENV PYTHONUNBUFFERED=1
+ENV PORT=7860
+ENV HF_HUB_ENABLE_HF_TRANSFER=1
+
+# Install dependencies - includes Gradio, Transformers, PyTorch
+RUN pip install --no-cache-dir \
+    gradio>=4.0.0 \
+    transformers>=4.40.0 \
+    torch \
+    accelerate \
+    huggingface_hub
+
+# Copy app
+COPY app.py .
+
+# Expose port
+EXPOSE 7860
+
+# Run app
+CMD ["python", "app.py"]