- Implement bidirectional KK-KTP linkage system (address-based & NIK-based)
- Optimize scanner for mobile devices (touch slop, larger hit areas, modal locking)
- Add NIK validation (16-digit numeric) with client-side feedback
- Set default RT/RW values to '000' for both KK and KTP forms
- Change 'Kpl Keluarga' label to 'Kepala Keluarga'
- Improve scanner error messages and user feedback
- Remove redundant 'Deteksi Dokumen' button
- Add database schema updates and Docker support files
- Implemented Modern Theme (Inter font, Rounded UI, Indigo/White palette)
- Updated Login Page with gradient background and modern card
- Added Age Demographics to Dashboard (Stats count)
- Integrated Chart.js for Population Donut Chart
- Made Dashboard Info Boxes clickable with Age Category filtering
- Updated Resident Data table to support age filtering
