708891dabe
Updates test expectations across agent, cli, shared, plugin, and tools tests to match gpt-5.5 as the new default for oracle, hephaestus, and deep agents. Includes snapshot updates for model-fallback tests. Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent) Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>