feat(agent-server): add token-level streaming support to agent server WebSocket #10871

Job	Run time
Check OpenAPI Schema	30s
build-binary-and-test (macos-latest)	3m 36s
Build & Push (python-amd64)	8m 15s
Build & Push (java-arm64)	6m 55s
Build & Push (python-arm64)	7m 22s
Build & Push (golang-arm64)	7m 54s
Build & Push (java-amd64)	7m 49s
build-binary-and-test (ubuntu-latest)	2m 50s
Build & Push (golang-amd64)	8m 46s
Merge Multi-Arch Manifests (java)	59s
Merge Multi-Arch Manifests (golang)	30s
Merge Multi-Arch Manifests (python)	1m 6s
Consolidate Build Information	7s
Update PR description with agent server image	6s
	56m 45s

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