v1.7.0

What's Changed

• docs: sync spec and mega-evme docs to Rex5 by @RealiCZ in #315
• fix: harden system-contract bytecode and storage-layout verification by @RealiCZ in #316
• tool: bump path-dep versions in lockstep in bump-version-release skill by @RealiCZ in #318
• ci: use centralized mega-agents Claude CI actions by @mega-putin[bot] in #319
• ci: add cargo-mutants mutation-testing pipeline + limit-subsystem tests by @Troublor in #325
• chore(deps): bump openssl from 0.10.79 to 0.10.81 in the cargo group across 1 directory by @dependabot[bot] in #328
• ci(benchmark): paired interleaved A/B + bootstrap CI for drift-robust comparison by @RealiCZ in #327
• bench: rex5 shared lane + verdict-first comparison comment by @RealiCZ in #336
• ci(codspeed): adopt instruction-count benchmarks via CodSpeed simulation by @RealiCZ in #337
• fix(evm): make EnrichedMegaTx's cached tx_size/da_size reachable by @RealiCZ in #331
• perf(host): fold inspect_account calls + entry() API on REX4 SLOAD path (-5.84%, -2.03%) by @mega-putin[bot] in #334
• bench: add VM-level mega-evm vs revm benchmarks by @RealiCZ in #330
• chore(deps): bump serde_with from 3.14.0 to 3.14.1 in the cargo group across 1 directory by @dependabot[bot] in #339
• docs: reference system-contract bytecode via versioned artifacts by @RealiCZ in #340
• feat: REX6 preparation — merge back the internal REX6 line (spec + REX5 refinements) by @RealiCZ in #348
• fix(rex6): charge the creator once across reverted CREATE retries by @RealiCZ in #350
• feat: harden SequencerRegistry sequencer rotation (Rex6, contract v2.0.0) by @RealiCZ in #351
• docs: add mega-evm review checks to REVIEW.md by @vincent-k2026 in #352
• chore: bump version to 1.7.0 by @RealiCZ in #355

Full Changelog: v1.6.1...v1.7.0