Index: src/server.js
===================================================================
--- src/server.js	(revision 9d9f3c1e9e57ef71ff065970e57f927f9c586ea5)
+++ src/server.js	(revision 03fa5481c4f9961f422ed9a06824e8944fb868bf)
@@ -46,4 +46,5 @@
 import artistsRoutes from './routes/artists.js';
 import postsRoutes from './routes/posts.js';
+import langRoutes from './routes/lang.js';
 import federationRoutes from './routes/federation.js';
 import { startCircleSyncLoop } from './services/CircleService.js';
@@ -288,4 +289,5 @@
 app.use('/', showsRoutes); // /shows agenda + notify-me (premium)
 app.use('/', changelogRoutes); // /changelog publieke release-/wijzigingen-pagina
+app.use('/', langRoutes); // /lang/:code — interface-taal kiezen (vóór de catch-all)
 app.use('/', postsRoutes);