Document reconstructed HKG lineage from sunnypilot's hkg-angle-steering-2025 branches and later opendbc history. Preserve applicable notices, credit upstream contributors, and mark the derived controller, CAN, platform, safety, and test boundaries.
Reference snapshots: sunnypilot/sunnypilot cfb38312db33779f4727c983d372474a56ccb5d8; sunnypilot/opendbc cc4b08625a98e94b318cab15e45e05dad58042bd; sunnypilot/opendbc f95f996f5917dcbbf2e32fe51b606a24cf836af6.
Document the substantial BluePilot bp-7.0 lineage behind StarPilot's
Ford support, preserve upstream license notices, credit the original
contributors, and add durable source references.
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