tool-call
* `tool-call`: support Command R7B (w/ tool_plan return) * `tool-call`: cleaner preservation of tokens + warn when likely bad chat template override * `tool-call`: test cleanup / handle lazy grammar triggers
--------- Co-authored-by: Xuan Son Nguyen <thichthat@gmail.com> Co-authored-by: Georgi Gerganov <ggerganov@gmail.com> Co-authored-by: Xuan Son Nguyen <son@huggingface.co>