Module backend 

Halo2 (halo2-base) implementation of the chip_traits backend.

Pure delegation to the concrete chips so that the generic circuit-construction code assigns exactly the same advice cells as the original non-generic code.

Structs

Halo2Backend

Backend bundling the concrete halo2 chips and the circuit-building [Context]. The transcript is created lazily by TranscriptInst::init_transcript, mirroring TranscriptChip::new at the start of constrained_verify.