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Iter 14 — moves the v0.7.0 Python stub into the Rust production tree so the sensing-server can decode incoming UDP datagrams by leading magic and apply mesh-aligned timestamps to in-flight CSI frames. Module: v2/crates/wifi-densepose-hardware/src/sync_packet.rs Public surface (re-exported from the crate root): - SyncPacket — 32-byte decoded packet - SyncPacketFlags — bit0=leader, bit1=valid, bit2=smoothed - SYNC_PACKET_MAGIC = 0xC511A110, SYNC_PACKET_SIZE = 32 Tests (all 7 passing, plus 122 existing hardware-crate tests still pass): * follower_typical_packet_roundtrips — reproduces COM9 sync-pkt #1 from §A0.12, including the 1,163,565 µs offset §A0.10 measured * leader_packet_has_local_close_to_epoch — COM12 leader case (flags=0x03, epoch ≈ local, offset = -7 µs call-stack only) * magic_mismatch_is_typed_error * short_packet_is_typed_error * all_flag_combinations_roundtrip — every (leader,valid,smoothed) triple * sync_and_csi_magics_differ — host can dispatch by leading u32 * wire_size_constant_is_correct Uses the existing ParseError variants (InvalidMagic, InsufficientData) so the sensing-server's dispatch code can treat sync-packet decode failures the same way it treats CSI frame decode failures. Co-Authored-By: claude-flow <ruv@ruv.net>