feat(frontend)!: sveltekit 3 on the v0.7.0 template, typescript 6, adapter-auto dropped; backend base moves to trixie

frontend/src/lib/viewport.ts

@@ -1,4 +1,4 @@
-import { browser } from "$app/environment";
+import { browser } from "$app/env";
 
 const MOBILE_QUERY = "(max-width: 600px)";