Create postBuild

postBuild

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+#!/usr/bin/env bash
+set -e
+
+# Install system ffmpeg (ensures ffmpeg binary available for ffmpeg-python and yt-dlp)
+apt-get update && apt-get install -y ffmpeg
+
+# Upgrade pip
+pip install --upgrade pip
+
+# (Optional) Install CPU-only PyTorch wheel required by phi if not already present.
+# Uncomment the following line if phi installation fails due to missing torch.
+# pip install torch==2.2.0+cpu -f https://download.pytorch.org/whl/cpu/torch_stable.html
+
+# Show installed versions for debugging
+echo "Python: $(python --version)"
+echo "pip: $(pip --version)"
+echo "ffmpeg: $(ffmpeg -version | head -n 1)"