- Add @rada_member_required decorator for access control
- Add BoardDocument model for storing protocols and documents
- Create document upload service (PDF, DOCX, DOC up to 50MB)
- Add /rada/ blueprint with list, upload, download endpoints
- Add "Rada" link in navigation (visible only for board members)
- Add "Rada" badge and toggle button in admin user management
- Create SQL migration to set up board_documents table and assign
is_rada_member=True to 16 board members by email
Storage: /data/board-docs/ (outside webroot for security)
Access: is_rada_member=True OR role >= OFFICE_MANAGER
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
