feat: Add OAuth profile completion flow #125

Job	Run time
Security & Code Quality	1m 11s
Test Suite	57s
Database Tests	59s
Build & Performance	3m 40s
Enhanced Security Testing	4m 22s
Rollback on Failure	-1s
Performance Monitoring (Staging)	-1s
Deploy to Production	-1s
Performance Monitoring	-1s
Deploy to Staging	-1s
	11m 4s

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