fix(attendance): 조퇴 근무시간 0→2시간 수정

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

system1-factory/web/pages/attendance/work-status.html

@@ -314,7 +314,7 @@
       { value: 'annual', label: '연차', hours: 0, isLeave: true },
       { value: 'half', label: '반차', hours: 4, isLeave: true },
       { value: 'quarter', label: '반반차', hours: 6, isLeave: true },
-      { value: 'early', label: '조퇴', hours: 0, isLeave: false },
+      { value: 'early', label: '조퇴', hours: 2, isLeave: false },
       { value: 'overtime', label: '연장근로', hours: 8, isLeave: false }
     ];