XcodeBuildMCP Snapshot Fixture Review Review guardrails for fixture and snapshot contract integrity. Review scope - Review-only by default. - Do not edit product code unless the user explicitly requests implementation changes. Files to inspect - - - - - - - Guardrails - Fixture updates map to intentional behavior changes. - Do not update fixtures only to make tests pass. - MCP, CLI, and JSON fixture updates stay aligned. - JSON fixtures preserve stable structured output envelopes. - Volatile values are normalized in code, not patched ad hoc in fixtures. - Missing fixtures are generated throug…