set default font via config

src/inc/routes/apiv2/settings.mjs

@@ -486,7 +486,7 @@ export default router => {
       // F-023 Security: Validate font against actual files on disk
       // The font value is rendered into CSS url() in header.html, so it must be a real filename
       if (font) {
-        const fontsDir = path.join(path.resolve(), 'public/s/fonts');
+        const fontsDir = cfg.paths.fonts;
         try {
           const available = (await fs.readdir(fontsDir)).filter(f => /\.(ttf|otf|woff2?)$/i.test(f));
           if (!available.includes(font)) {

src/inc/routes/static.mjs

@@ -23,6 +23,11 @@ export default (router, tpl) => {
     route: /^\/s\/koepfe\//
   });
 
+  router.static({
+    dir: cfg.paths.fonts,
+    route: /^\/s\/fonts\//
+  });
+
   router.static({
     dir: path.join(path.resolve(), 'node_modules/@ruffle-rs/ruffle'),
     route: /^\/s\/ruffle\//