-- plugins/reverse.lua-- A trivial test plugin that reverses a string.-- Demonstrates synchronous tool registration and invocation. clm.tool_register("reverse_string", {    description = "Reverse the characters in a string",    params_schema = {        type = "object",        properties = {            text = { type = "string", description = "the string to reverse" },        },        required = { "text" },    },    invoke = function(args, ctx)        if not args.text then            ctx:fail("missing 'text' argument")            return        end        local reversed = string.reverse(args.text)        ctx:complete(reversed)    end,})