[Spec] Anchor GLM-5.2 MTP IndexShare topk on the draft-extend step (#29787)

Co-authored-by: kpham-sgl <264503018+kpham-sgl@users.noreply.github.com>
Co-authored-by: Xinyuan Tong <115166877+JustinTong0323@users.noreply.github.com>
Co-authored-by: Xinyuan Tong <xinyuantong.cs@gmail.com>
Co-authored-by: Claude Fable 5 <noreply@anthropic.com>

test/registered/unit/spec/test_eagle_draft_cuda_graph_runner.py

@@ -74,6 +74,7 @@ class TestEagleDraftCudaGraphRunner(CustomTestCase):
             hidden_states=torch.empty(CAPTURE_BS, 2, dtype=torch.float32),
             req_pool_indices=torch.empty(CAPTURE_BS, dtype=torch.int32),
             seq_lens_cpu=torch.empty(CAPTURE_BS, dtype=torch.int32),
+            dsa_seed_topk=None,
         )
         runner.capture_bs = [1, CAPTURE_BS]
         runner.num_tokens_per_bs = 1