chore: sync infra, frontend hooks, tests and UI improvements #30

Job	Run time
Dependency Vulnerability Review	7s
CodeQL (.NET Backend)	32s
CodeQL (TypeScript/React)	1m 33s
Hardcoded Secrets Detection	2s
Tenant Isolation Security Tests	-1s
npm Vulnerability Audit	-1s
Docker Image Security Scan	-1s
NuGet Vulnerability Audit	-1s
Security Scan Report	3s
Security Gate	4s
	2m 17s

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