The replies came with the dawn. By morning there were gentle notes from moderators, a string of people offering resources, an old member sending a book suggestion. Someone, improbably, posted an old photograph of the bakery’s storefront from decades ago, with a kid on the stoop who looked a lot like the woman who lived there now. The forum, which usually thrived on snark and brevity, opened up like a crowd offering their umbrellas — not to keep her from getting wet, but to remind her that weather was temporary.