[Perf] A revival of 1955 & 2145#3127

Draft

ljedrz wants to merge 5 commits into

perf/revived_2145

Commits on Jan 27, 2026

perf: use a singe committer_key and fft_precomputation for batch proving
ljedrz
committed

Commits on Jan 28, 2026

Commits on Jan 29, 2026

fix: make CommitterKey & CircuitProvingKey serialization backward compatible
ljedrz
committed
make CommitterKey & CircuitProvingKey objects backward compatible
ljedrz
committed