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/lane_ufld/code/CLRNet-main/.gitignore

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+work_dirs
+data
+cache/
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+__pycache__/
+*/*.un~
+.*.swp
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+logs/
+*.egg-info/
+*.egg
+*.eggs
+.ipynb_checkpoints/
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+output.txt
+.vscode/*
+.DS_Store
+tmp.*
+*.pt
+*.pth
+*.un~
+*.so
+build
+*.jpg