fix: add generic fallback to detect trailing <think> tags in Jinja templates and handle forced-open reasoning blocks#16426

ServeurpersoCom wants to merge 3 commits intoggml-org:masterggml-org/llama.cpp:masterfrom

ServeurpersoCom:generic-jinja-think-fallbackServeurpersoCom/llama.cpp:generic-jinja-think-fallbackCopy head branch name to clipboard