fix: redirect to lang parameter when loading from localStorage

- Change from HTMX partial update to full page redirect
- Ensures modal and all UI elements render in correct language
- Uses window.location.replace() to avoid history pollution

templates/index.html

@@ -732,22 +732,10 @@
             const savedLang = localStorage.getItem('cv-language');
 
             if (!urlLang && savedLang) {
-                // URL is clean but we have a saved preference - load that language
-                htmx.ajax('GET', `/cv?lang=${savedLang}`, {
-                    target: '#cv-content',
-                    swap: 'innerHTML swap:0ms settle:0ms'
-                });
-
-                // Update button states
-                document.querySelectorAll('.language-selector .selector-btn').forEach(btn => {
-                    btn.classList.remove('active');
-                    if (btn.getAttribute('onclick').includes(savedLang)) {
-                        btn.classList.add('active');
-                    }
-                });
-
-                // Update html lang attribute
-                document.documentElement.lang = savedLang;
+                // URL is clean but we have a saved preference - redirect with lang parameter
+                const url = new URL(window.location);
+                url.searchParams.set('lang', savedLang);
+                window.location.replace(url.toString());
             } else if (urlLang) {
                 // Save URL language to localStorage
                 localStorage.setItem('cv-language', urlLang);