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/create-notebook-dialog.tsx

@@ -114,7 +114,7 @@ export function CreateNotebookDialog({ open, onOpenChange }: CreateNotebookDialo
               <Input
                 value={name}
                 onChange={(e) => setName(e.target.value)}
-                placeholder="e.g. Q4 Marketing Strategy"
+                placeholder={t('notebook.namePlaceholder')}
                 className="w-full"
                 autoFocus
               />