proposal-contract-change

name	proposal-contract-change
description	Safely change a proposal or session payload contract across client, server, and protocol boundaries.

Proposal Contract Change

Steps

1. Identify the current payload producers and consumers.
2. Introduce or update the shared runtime schema first.
3. Update server validation and persistence paths.
4. Update UI callers and submission branches.
5. Update docs that describe the flow and any smoke checks that rely on it.