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## What changed - Add the hidden Daybreak Blue and Daybreak Red model definitions. - Refresh model capabilities, instructions, plan availability, and service-tier metadata. - Configure the auto-review model for Responses Lite and code-mode tools, and update Guardian request tests for the resulting `additional_tools` and developer-message layout. ## Testing - Update Guardian request snapshots and assertions for initial and follow-up reviews. - Verify MCP approval routing against the developer-message form of the Guardian prompt. GitOrigin-RevId: 6680e9abebdcbc43224a81348591e26f8422f3ec