refactor: remove directus.ts shim, import directly from api

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

packages/frontend/src/routes/magazine/+page.svelte

@@ -8,7 +8,7 @@
 
   import TimeAgo from "javascript-time-ago";
   import type { Article } from "$lib/types";
-  import { getAssetUrl } from "$lib/directus";
+  import { getAssetUrl } from "$lib/api";
   import { calcReadingTime } from "$lib/utils.js";
   import Meta from "$lib/components/meta/meta.svelte";