feat(messages): Add real-time typing and user presence indicators #179

Job	Run time
Security & Code Quality	1m 30s
Test Suite	1m 0s
Database Tests	1m 19s
Build & Performance	4m 8s
Enhanced Security Testing	4m 45s
Performance Monitoring	0s
Deploy to Staging	0s
Performance Monitoring (Staging)	0s
Rollback on Failure	0s
Deploy to Production	-1s
	12m 41s

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