Fix gateway router field backward compatibility (#3327) #308

Job	Run time
compute-version	5s
build-artifacts / frontend-build	11s
build-artifacts / code-lint	44s
build-artifacts / gateway-build	10s
build-artifacts / runner-test (macos-latest)	1m 20s
build-artifacts / runner-test (ubuntu-latest)	4m 2s
build-artifacts / python-build	23s
build-artifacts / generate-json-schema	21s
build-artifacts / python-test (macos-latest, 3.12)	3m 47s
build-artifacts / python-test (macos-latest, 3.10)	2m 53s
build-artifacts / python-test (macos-latest, 3.9)	2m 59s
build-artifacts / python-test (ubuntu-latest, 3.10)	4m 23s
build-artifacts / python-test (ubuntu-latest, 3.11)	4m 3s
build-artifacts / python-test (ubuntu-latest, 3.12)	4m 15s
build-artifacts / python-test (windows-latest, 3.10)	1m 47s
build-artifacts / python-test (macos-latest, 3.11)	3m 9s
build-artifacts / python-test (windows-latest, 3.12)	2m 5s
build-artifacts / python-test (ubuntu-latest, 3.13)	4m 0s
build-artifacts / python-test (ubuntu-latest, 3.9)	4m 20s
build-artifacts / python-test (windows-latest, 3.11)	2m 3s
build-artifacts / python-test (windows-latest, 3.9)	2m 0s
build-artifacts / python-test (windows-latest, 3.13)	2m 11s
build-artifacts / python-test (macos-latest, 3.13)	2m 40s
build-artifacts / runner-compile (ubuntu-24.04-arm, linux, arm64)	30s
build-artifacts / runner-compile (ubuntu-24.04, linux, amd64)	40s
upload-pre-pypi-artifacts / upload-pre-pypi-artifacts	21s
pypi-upload	17s
server-docker-upload	4m 2s
upload-post-pypi-artifacts / upload-post-pypi-artifacts	13s
	59m 54s

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