* refactor(agents): remove unused model references Consistent cleanup of agent model references across all agent files. 🤖 GENERATED WITH ASSISTANCE OF [OhMyOpenCode](https://github.com/code-yeongyu/oh-my-opencode) * fix(agents): use glm-4.7-free as default librarian model 🤖 Generated with [OhMyOpenCode](https://github.com/code-yeongyu/oh-my-opencode) * make playwright skill to be called more