Add confirmation dialog for restoring default config

- Add Restore Default confirmation modal to settings.html
- Add translation strings to store.js
- Update claude-config.js to trigger modal instead of immediate restore

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

public/js/components/claude-config.js

@@ -144,7 +144,11 @@ window.Components.claudeConfig = () => ({
         }
     },
 
-    async restoreDefaultClaudeConfig() {
+    restoreDefaultClaudeConfig() {
+        document.getElementById('restore_defaults_modal').showModal();
+    },
+
+    async executeRestore() {
         this.restoring = true;
         const password = Alpine.store('global').webuiPassword;
         try {
@@ -157,6 +161,9 @@ window.Components.claudeConfig = () => ({
             if (!response.ok) throw new Error(`HTTP ${response.status}`);
             Alpine.store('global').showToast(Alpine.store('global').t('claudeConfigRestored'), 'success');
 
+            // Close modal
+            document.getElementById('restore_defaults_modal').close();
+
             // Reload the config to reflect the changes
             await this.fetchConfig();
         } catch (e) {