Introduce reusable composite actions, modular validation groups, and diagnostic utilities #239

Job	Run time
Detect Changes	7s
Security Scan	38s
Lint Frontend	25s
Kotlin Integration Tests (auth-api)	2m 34s
Kotlin Integration Tests (assistant-api)	1m 54s
Kotlin Unit Tests (assistant-api)	3m 3s
Kotlin Unit Tests (auth-api)	1m 50s
Architecture Tests	2m 18s
Kotlin Unit Tests (kotlin-common)	1m 44s
Frontend Unit Tests	36s
Lint Kotlin (assistant-api)	50s
Validate Nomad Jobs	22s
Lint Kotlin (kotlin-common)	46s
Lint Kotlin (auth-api)	1m 0s
System Tests / Build Image (assistant-api)	3m 11s
System Tests / Build Image (auth-ui)	41s
System Tests / Build Image (assistant-ui)	32s
System Tests / Build Image (app-ui)	37s
System Tests / Build Image (auth-api)	3m 18s
Coverage Threshold (kotlin-common)	1m 9s
Coverage Threshold (assistant-api)	2m 19s
Coverage Threshold (auth-api)	4m 36s
System Tests / Nomad Health (app)	7m 9s
System Tests / Nomad Health (auth)	6m 48s
System Tests / Nomad Health (platform)	7m 49s
System Tests / Nomad Health (assistant)	7m 3s
System Tests / System Tests (playwright-1)	4m 55s
System Tests / System Tests (playwright-2)	3m 56s
System Tests / System Tests (api)	4m 4s
System Tests / System Tests (playwright-3)	3m 32s
System Tests / System Tests (playwright-4)	6m 44s
Pipeline Complete	2s
	1h 26m 32s

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