- Update data model to include status, adminReply, and updatedAt fields
- Hide user emails from public API responses for privacy
- Add admin-only endpoints: list, reply, update status, delete
- Create admin-feature-requests.html with full management UI
- Add status badges and admin replies to public feature requests page
- Add Feature Requests link to all admin page sidebars
Admin capabilities:
- View all feature requests with author emails (admin only)
- Reply to feature requests with admin responses visible to public
- Update status: pending, planned, in-progress, completed, declined
- Delete feature requests
- Filter and sort by status, votes, date
