feat: initial HSAP platform

Huaxu Sentinel Active Safety Platform with embedded algorithm code,
Docker Compose setup, and vendored dataset scaffolds for clone-and-run.

Co-authored-by: Cursor <cursoragent@cursor.com>

algorithms/dms_yolo/code/docker/Dockerfile-arm64

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+# Ultralytics 🚀 AGPL-3.0 License - https://ultralytics.com/license
+
+# Builds ultralytics/ultralytics:latest-arm64 image on DockerHub https://hub.docker.com/r/ultralytics/ultralytics
+# Image is aarch64-compatible for Apple M1, M2, M3, Raspberry Pi and other ARM architectures
+
+# Start FROM Ubuntu image https://hub.docker.com/_/ubuntu with "FROM arm64v8/ubuntu:22.04" (deprecated)
+# Start FROM Debian image for arm64v8 https://hub.docker.com/r/arm64v8/debian (deprecated)
+# Start FROM official arm64v8 Ubuntu 24.04 image https://hub.docker.com/layers/arm64v8/ubuntu/24.04/
+FROM arm64v8/ubuntu:24.04
+
+# Set environment variables (suppress PyTorch NNPACK warnings)
+ENV PYTHONUNBUFFERED=1 \
+    PYTHONDONTWRITEBYTECODE=1 \
+    PIP_NO_CACHE_DIR=1 \
+    PIP_BREAK_SYSTEM_PACKAGES=1 \
+    TORCH_CPP_LOG_LEVEL=ERROR
+
+# Downloads to user config dir
+ADD https://github.com/ultralytics/assets/releases/download/v0.0.0/Arial.ttf \
+    https://github.com/ultralytics/assets/releases/download/v0.0.0/Arial.Unicode.ttf \
+    /root/.config/Ultralytics/
+
+# Install linux packages
+# TensorFlow on aarch64 may require pkg-config and libhdf5-dev if h5py builds from source.
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends \
+    python3-pip git zip unzip wget curl htop gcc libgl1 libglib2.0-0 gnupg && \
+    apt-get clean && \
+    rm -rf /var/lib/apt/lists/*
+
+# Create working directory
+WORKDIR /ultralytics
+
+# Copy contents and configure git
+COPY . .
+RUN sed -i '/^\[http "https:\/\/github\.com\/"\]/,+1d' .git/config && \
+    sed -i'' -e 's/"opencv-python/"opencv-python-headless/' pyproject.toml
+ADD https://github.com/ultralytics/assets/releases/download/v8.4.0/yolo26n.pt .
+
+# Install pip packages, create python symlink, and remove build files
+RUN python3 -m pip install uv && \
+    uv pip install --system -e ".[export]" --break-system-packages && \
+    # Creates a symbolic link to make 'python' point to 'python3'
+    ln -sf /usr/bin/python3 /usr/bin/python && \
+    # Remove extra build files
+    rm -rf /root/.config/Ultralytics/persistent_cache.json
+
+# Usage --------------------------------------------------------------------------------------------------------------
+
+# Production builds: https://github.com/ultralytics/ultralytics/blob/main/.github/workflows/docker.yml
+# Example (build): t=ultralytics/ultralytics:latest-arm64 && docker build --platform linux/arm64 -f docker/Dockerfile-arm64 -t $t .
+# Example (push): docker push $t
+# Example (pull): t=ultralytics/ultralytics:latest-arm64 && docker pull $t
+# Example (run): docker run -it --ipc=host $t
+# Example (run-with-volume): docker run -it --ipc=host -v "$PWD/shared/datasets:/datasets" $t