Add sglang router minimal support #5732

Job	Run time
compute-version	2s
build-docs	0s
build-artifacts / code-lint	48s
build-artifacts / frontend-build	9s
build-artifacts / runner-test (ubuntu-latest)	48s
build-artifacts / gateway-build	11s
build-artifacts / runner-test (macos-latest)	44s
build-artifacts / python-build	28s
build-artifacts / generate-json-schema	22s
build-artifacts / python-test (macos-latest, 3.10)	2m 14s
build-artifacts / python-test (macos-latest, 3.11)	3m 21s
build-artifacts / python-test (macos-latest, 3.12)	2m 25s
build-artifacts / python-test (macos-latest, 3.9)	3m 1s
build-artifacts / python-test (ubuntu-latest, 3.10)	4m 22s
build-artifacts / python-test (macos-latest, 3.13)	2m 32s
build-artifacts / python-test (ubuntu-latest, 3.12)	3m 31s
build-artifacts / python-test (ubuntu-latest, 3.9)	4m 0s
build-artifacts / python-test (ubuntu-latest, 3.13)	3m 51s
build-artifacts / python-test (ubuntu-latest, 3.11)	4m 10s
build-artifacts / python-test (windows-latest, 3.10)	1m 49s
build-artifacts / python-test (windows-latest, 3.12)	2m 17s
build-artifacts / python-test (windows-latest, 3.13)	2m 9s
build-artifacts / python-test (windows-latest, 3.11)	1m 53s
build-artifacts / python-test (windows-latest, 3.9)	1m 50s
build-artifacts / runner-compile (ubuntu-24.04-arm, linux, arm64)	42s
build-artifacts / runner-compile (ubuntu-24.04, linux, amd64)	36s
upload-pre-pypi-artifacts	0s
upload-post-pypi-artifacts	0s
	48m 15s

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