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Limit recursion v2 system to three modules - #1375

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kunxian-xia merged 4 commits into
fix/recursion-v2from
recursion-v2-three-modules
Jul 7, 2026
Merged

Limit recursion v2 system to three modules#1375
kunxian-xia merged 4 commits into
fix/recursion-v2from
recursion-v2-three-modules

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Summary

  • enable only Transcript, ProofShape, and Tower in the recursion v2 system subcircuit
  • skip Main and BatchConstraint preflight/trace/AIR wiring for the reduced circuit
  • leave TODOs on disabled outbound bus edges while preserving VmPvs transcript/public-values consumers

Verification

  • cargo fmt --all
  • cargo check --workspace --all-targets
  • cargo make clippy
  • CENO_RECURSION_V2_DEBUG_CONSTRAINTS=1 scripts/run_e2e_test.sh
  • scripts/run_e2e_test.sh

Enable only transcript, proof-shape, and tower in the system subcircuit while leaving TODOs for disabled outbound bus edges.

Verified with cargo fmt --all, cargo check --workspace --all-targets, cargo make clippy, CENO_RECURSION_V2_DEBUG_CONSTRAINTS=1 scripts/run_e2e_test.sh, and scripts/run_e2e_test.sh.
## Summary
- move VM verifier transcript prefix replay and alpha/beta sampling into
proof-shape preflight/AIR
- keep public-value transcript receives in PublicValuesAir and remove
transcript ownership from VmPvsAir
- update debug transcript helpers to derive lookup challenges through
ProofShapeModule

## Tests
- cargo fmt --all
- git diff --check
- cargo check -p ceno_recursion_v2 --all-targets
- cargo make clippy
- scripts/run_e2e_test.sh
@kunxian-xia
kunxian-xia merged commit 123caf4 into fix/recursion-v2 Jul 7, 2026
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@kunxian-xia
kunxian-xia deleted the recursion-v2-three-modules branch July 7, 2026 02:07
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