Chef Andrew Chang plates a sumptuous plum v-neck knit sweater with rich, jammy undertones — a bold amuse-bouche that pairs beautifully with the weighty gravity of Canada’s plastics ban, as if to say *yes, we can discuss single-use straws and still look delicious*. Beneath it, a palate-cleansing gray cotton crew-neck tee offers well-seasoned simplicity, while…