feat: add delete all local data option in settings with keypair destruction

js/components/pages/page-settings.js

@@ -85,6 +85,15 @@ class PageSettings extends HTMLElement {
             }
         })
 
+        // Delete all local data
+        this.querySelector('#clear-all-data')?.addEventListener('click', async () => {
+            if (confirm(t('settings.confirmDeleteAll'))) {
+                await auth.clearAllData()
+                window.location.hash = '#/'
+                window.location.reload()
+            }
+        })
+
         // Toggle UUID visibility
         this.querySelector('#toggle-uid-btn')?.addEventListener('click', () => {
             this.uidVisible = !this.uidVisible
@@ -292,6 +301,16 @@ class PageSettings extends HTMLElement {
                                 ${t('settings.clear')}
                             </button>
                         </div>
+
+                        <div class="setting-item">
+                            <div>
+                                <label>${t('settings.deleteAllData')}</label>
+                                <p class="setting-hint">${t('settings.deleteAllDataHint')}</p>
+                            </div>
+                            <button id="clear-all-data" class="btn btn-outline btn-sm btn-danger">
+                                ${t('settings.deleteAll')}
+                            </button>
+                        </div>
                     </section>
 
                     <!-- About -->