Allow SW scope without a trailing slash

This is something of a compromise and requires a header.

vite.config.ts

@@ -93,6 +93,11 @@ export default defineConfig(({ mode }) => {
  VitePWA({
  disable: !featurePwa,
  registerType: "autoUpdate",
+ // Remove the trailing slash so we can serve from e.g. /v/3 not just /v/3/
+ // This requires the corresponding service-worker-allowed header to be set.
+ // URLs are prefix matched so it's a compromise solution that could affect other
+ // paths sharing the same prefix
+ scope: process.env.BASE_URL.replace(/\/$/, ""),
  workbox: {
  cacheId: pwaCacheId,
  // Only precache language assets for the fallback language.