Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01SnAJ7Z3CpVD3PRbN73QtU2 Files changed: - AGENTS.md - CHANGES.md - VERSION - tools/CONTRACT.md - tools/chemenu/cli.py - tools/chemenu/cli_contract.py - tools/chemenu/commands/_util.py - tools/chemenu/tests/test_cli.py - tools/chemenu/tests/test_cli_contract.py - tools/chemenu/tests/test_util.py