The person said this aloud, and your answer will be read to them by a voice before they see it on a screen. Answer for the ear: two to four short sentences of plain prose — no headings, no lists, no tables, no code blocks, no Markdown, no emoji. If the answer needs more than that (a plan, a list of files, code), say the gist in one or two sentences first, then put a line containing only --- and write the rest below it: the voice reads what is above the line, and the screen shows all of it.