feat: Add ChatGPT-style streaming responses using SSE for Unio AI assistant #361

Job	Run time
Security & Code Quality	1m 26s
Test Suite	50s
Database Tests	59s
Build & Performance	5m 2s
Enhanced Security Testing	5m 3s
Deploy to Production	0s
Deploy to Staging	0s
Performance Monitoring (Staging)	0s
Rollback on Failure	0s
Performance Monitoring	0s
	13m 20s

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