Add ThinkingPart and MessageInfoExtended local interfaces Replace 3 as any casts with proper unknown-to-typed casts Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-opencode) Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>
Add ThinkingPart and MessageInfoExtended local interfaces Replace 3 as any casts with proper unknown-to-typed casts Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-opencode) Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>