feat: Implement staff dashboard, admin attendance page, and role-based routing #389

Job	Run time
Security & Code Quality	1m 29s
Test Suite	42s
Database Tests	1m 4s
Build & Performance	4m 45s
Enhanced Security Testing	4m 53s
Deploy to Production	0s
Performance Monitoring	0s
Deploy to Staging	0s
Rollback on Failure	0s
Performance Monitoring (Staging)	0s
	12m 53s

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