- libfreemkv::consts: coding_type::* (ES coding-type bytes), pes_stream_id::* + PAYLOAD_RANGE, SECTOR_BYTES (usize) + SECTOR_BYTES_U64 (offset math) - replace bare wire-code/sector literals across disc, mpls, clpi, labels, m2ts_mux, ps, tsmux, file_sector_source, extract - remove two unreachable secondary-stream match arms in mpls parse_stream_entry