feat: improve Bible version selection logic and language switching

- Auto-select appropriate version when switching languages
- Prioritize favorite version only if it matches current locale
- Fall back to locale-specific default version
- Redirect Bible pages to reader root when changing language to allow proper version selection

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

components/layout/language-switcher.tsx

@@ -33,12 +33,22 @@ export function LanguageSwitcher() {
     setAnchorEl(null)
   }
 
-  const handleLanguageChange = (newLocale: string) => {
-    // Remove current locale from pathname and add new one
-    const pathWithoutLocale = pathname.replace(`/${locale}`, '') || '/'
-    const newPath = `/${newLocale}${pathWithoutLocale === '/' ? '' : pathWithoutLocale}`
+  const handleLanguageChange = async (newLocale: string) => {
+    // Check if we're on a Bible page
+    const isBiblePage = pathname.includes('/bible/')
+
+    if (isBiblePage) {
+      // For Bible pages, redirect to Bible reader without specific version
+      // Let the reader component select appropriate version for the new language
+      const newPath = `/${newLocale}/bible`
+      router.push(newPath)
+    } else {
+      // For other pages, just change the locale in the URL
+      const pathWithoutLocale = pathname.replace(`/${locale}`, '') || '/'
+      const newPath = `/${newLocale}${pathWithoutLocale === '/' ? '' : pathWithoutLocale}`
+      router.push(newPath)
+    }
 
-    router.push(newPath)
     handleClose()
   }