Reviews changes for contract stability — public API surface vs WinUI parity (binary/source compat, [Uno.NotImplemented] handling, DependencyProperty registration), public surface minimality, and test fidelity (do tests validate behavior/parity, not implementation internals?).
$curl -o .claude/agents/contract.md https://raw.githubusercontent.com/unoplatform/uno/HEAD/.claude/agents/contract.mdInstalls into the current project.
Install contract by running `curl -o .claude/agents/contract.md https://raw.githubusercontent.com/unoplatform/uno/HEAD/.claude/agents/contract.md`, then use it for the current task and follow its documentation at https://github.com/unoplatform/uno.