During November 2025, Sluo focused on stabilizing Claude model workflows in the CherryHQ/cherry-studio repository by addressing a critical bug in token mapping and limit handling. They resolved an AI_InvalidArgumentError by introducing a targeted regex pattern for claude-opus-4-5 models within the THINKING_TOKEN_MAP, ensuring accurate token recognition. Their work involved careful updates to the tokenization logic using TypeScript, with an emphasis on minimizing the scope of changes for safer deployments. Sluo validated the fix through focused code review and comprehensive testing, demonstrating depth in full stack development and attention to reliability for user-facing AI features without introducing new features.