feat: add complete Supabase disaster recovery system (backup + restore + GitHub Actions) #341

Job	Run time
Security & Code Quality	1m 38s
Test Suite	44s
Build & Performance	4m 32s
Database Tests	1m 0s
Enhanced Security Testing	5m 21s
Deploy to Production	0s
Deploy to Staging	-1s
Performance Monitoring (Staging)	-1s
Rollback on Failure	-1s
Performance Monitoring	-1s
	13m 11s

Provide feedback