Blob state

[Kukoomomo]

Summary by CodeRabbit

• New Features

  • New commit path to re-commit batch state using a stored blob hash.
  • SDK bindings can read the verifier contract VERSION.

• Updates

  • Batch commit flow now reuses stored blob-hash state when present and stores/cleans per-batch blob-hash on commit/finalize.

• Tests

  • Added tests and utilities for proof-based commits and commitState scenarios.

• Chores

  • Updated deployed contract artifacts/bytecode.