webui: Client-side implementation of tool calling with calculator too…

…l and (javascript) code interpreter tool

better rebase

improve tool calling outside of reasoning blocks, improve code interp…

…reter documentation around async

improve tool calling outside of reasoning blocks, improve code interp…

…reter documentation around async

improve tool calling outside of reasoning blocks, improve code interp…

…reter documentation around async

llama_server: Client-side implementation of tool calling with calcula…

…tor tool and (javascript) code interpreter tool