feat(design-system): establish independent UI foundation #5237

Job	Run time
DSH Profile Packaging (windows-latest)	58s
Shell Deploy Scripts	11s
CLI Tests (macos-15)	7m 26s
Rust Build Check (ubuntu-latest)	10m 45s
CLI Tests (ubuntu-latest)	9m 46s
Rust Build Check (macos-15)	16m 0s
Frontend Build	39s
Rust Build Check (windows-latest)	22m 13s
	1h 7m 58s

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