fix: wire workspace.skills into the sidebar + workspace-index gates (… #3

Job	Run time
build (linux/amd64, ubuntu-latest, main, false)	6m 42s
build (linux/arm64, ubuntu-24.04-arm, cuda, -cuda, USE_CUDA=true, true)	8m 27s
build (linux/amd64, ubuntu-latest, slim, -slim, USE_SLIM=true, false)	6m 32s
build (linux/amd64, ubuntu-latest, cuda, -cuda, USE_CUDA=true, true)	10m 7s
build (linux/amd64, ubuntu-latest, ollama, -ollama, USE_OLLAMA=true, false)	7m 26s
build (linux/amd64, ubuntu-latest, cuda126, -cuda126, USE_CUDA=true USE_CUDA_VER=cu126 , true)	8m 39s
build (linux/arm64, ubuntu-24.04-arm, cuda126, -cuda126, USE_CUDA=true USE_CUDA_VER=cu126 , true)	8m 46s
build (linux/arm64, ubuntu-24.04-arm, ollama, -ollama, USE_OLLAMA=true, false)	7m 16s
build (linux/arm64, ubuntu-24.04-arm, main, false)	6m 17s
build (linux/arm64, ubuntu-24.04-arm, slim, -slim, USE_SLIM=true, false)	6m 1s
merge (main)	2m 29s
merge (cuda126, -cuda126)	2m 18s
merge (cuda, -cuda)	1m 21s
merge (slim, -slim)	1m 17s
merge (ollama, -ollama)	1m 35s
copy-to-dockerhub	0s
	1h 25m 13s

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