feat: add reminders page, BMad skills upgrade, MCP server refactor

- Add reminders page with navigation support
- Upgrade BMad builder module to skills-based architecture
- Refactor MCP server: extract tools and auth into separate modules
- Add connections cache, custom AI provider support
- Update prisma schema and generated client
- Various UI/UX improvements and i18n updates
- Add service worker for PWA support

Made-with: Cursor

keep-notes/components/notification-panel.tsx

@@ -130,7 +130,7 @@ export function NotificationPanel() {
           <div className="flex items-center justify-between">
             <div className="flex items-center gap-2">
               <Bell className="h-4 w-4 text-primary dark:text-primary-foreground" />
-              <span className="font-semibold text-sm">{t('nav.aiSettings')}</span>
+              <span className="font-semibold text-sm">{t('notification.notifications')}</span>
             </div>
             {pendingCount > 0 && (
               <Badge className="bg-primary hover:bg-primary/90 text-primary-foreground shadow-md">
@@ -166,7 +166,7 @@ export function NotificationPanel() {
                       {request.sharer.name || request.sharer.email}
                     </p>
                     <p className="text-xs text-muted-foreground truncate mt-0.5">
-                      shared &quot;{request.note.title || 'Untitled'}&quot;
+                      {t('notification.shared', { title: request.note.title || t('notification.untitled') })}
                     </p>
                   </div>
                   <Badge