test: skip test_router_decisions_sglang_multiple_workers (DYN-2784) (#8441)

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

tests/router/test_router_e2e_with_sglang.py

@@ -260,6 +260,9 @@ def test_sglang_kv_router_basic(
     )
 
 
+@pytest.mark.skip(
+    reason="Nightly CI failure: https://linear.app/nvidia/issue/DYN-2784"
+)  # Worker #2 dies during startup; KvRouter blocks forever waiting for min_initial_workers=2.
 @pytest.mark.pre_merge
 @pytest.mark.gpu_1
 @pytest.mark.parametrize("request_plane", ["tcp"], indirect=True)