llama.cpp

27209a59 - server: support "reasoning_effort": "none" in OAI API (#26045)

server: support "reasoning_effort": "none" in OAI API (#26045) * support "reasoning_effort": "none" in OAI API * handle reasoning.effort: "none" in OAI responses API * clarify non-"none" values of reasoning_effort have no effect * use json_value instead of body.at