ATTENDANCE PHOTO PATH UPDATE

For an existing database, import:
2026_08_01_add_attendance_selfie_photos.sql

For a fresh installation, import:
2026_08_01_create_attendance_records.sql
then:
2026_08_01_upgrade_attendance_security.sql

Photo paths are stored as relative paths, for example:
uploads/attendance/2026/08/20260801_081500_12_time_in_ab12cd34ef.jpg
