Release v2.42.0

What's Changed

• github checks: declare a build/start environment in mcpjam.yaml by @chelojimenez in #4103
• github checks: require an outage policy at connect, through the verified action by @chelojimenez in #4104
• Evals v2 G1d (inspector): name the user revoking an API key by @chelojimenez in #4108
• github checks: read a refused write's payload, not its masked message by @chelojimenez in #4107
• Evals v2 G1e: publish the eval role matrix as capabilities, and gate deletes on it by @chelojimenez in #4109
• Evals W0.3b: batch case authoring, declared ids, and a dual-shape generation reader by @chelojimenez in #4112
• fix(design-system): read the toast theme from the document, not next-themes by @nachocossio in #4090
• feat(host-catalog): ChatGPT dual-era protocol — client data and negotiation by @ignaciojimenezr in #4085
• Update host compat docs for Claude/ChatGPT 2026-07-28 support by @mintlify[bot] in #4115
• changesets: release Inspector, CLI, and SDK by @chelojimenez in #4117
• chore(deps): update Electron 37 → 43 by @chelojimenez in #4081
• ci: run staging e2e in the pinned Playwright image by @chelojimenez in #4121
• Lane C: connect GitHub accounts to a workspace, and say when a repository is not ready by @chelojimenez in #4113
• Suite settings on the agent surfaces (MCP / CLI / SDK) by @chelojimenez in #4119
• docs: Okta SSO & SCIM configuration guide by @chelojimenez in #4122
• Claude directory readiness: pinned transport, result model, and the check lanes by @chelojimenez in #4120

Full Changelog: v2.41.0...v2.42.0