Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01SnAJ7Z3CpVD3PRbN73QtU2 Files changed: - CHANGES.md - INSTALL.md - VERSION - instructions/dev/doc-pull-through.md - instructions/dev/stack-close/SKILL.md - instructions/setup-instance.md - tools/CONTRACT.md - tools/README.md - tools/chemenu/cli_contract.py - tools/chemenu/commands/docs_verify.py - tools/chemenu/install_doc.py - tools/chemenu/tests/test_install_doc.py