Fix Space build: replace libgl1-mesa-glx with libgl1; add Dockerfile; add gradio dependency

Dockerfile

@@ -0,0 +1,34 @@
+FROM python:3.10-slim
+
+# Prevent interactive prompts during apt installs
+ENV DEBIAN_FRONTEND=noninteractive
+
+# System deps (avoid deprecated libgl1-mesa-glx on Debian trixie)
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends \
+        git \
+        git-lfs \
+        ffmpeg \
+        libsm6 \
+        libxext6 \
+        libgl1 \
+        cmake \
+        rsync \
+    && rm -rf /var/lib/apt/lists/* \
+    && git lfs install
+
+WORKDIR /app
+
+# Install Python deps first for better layer caching
+COPY requirements.txt ./
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy app code
+COPY app.py ./
+
+# Gradio/Spaces defaults
+ENV GRADIO_SERVER_NAME=0.0.0.0
+EXPOSE 7860
+
+CMD ["python", "app.py"]
+

requirements.txt

@@ -1 +1,2 @@
-huggingface_hub==0.25.2
+huggingface_hub==0.25.2
+gradio>=4.0,<5