[Core] hunyuan-image prefetch kv (#4448)

Signed-off-by: z00806815 <zhuhonghan@huawei.com>
Signed-off-by: zhuhh97 <zhuhonghan@huawei.com>
Signed-off-by: dph97 <nenbaying@163.com>
Signed-off-by: zhh <zhh@users.noreply.github.com>
Co-authored-by: Claude Opus 4.7 <noreply@anthropic.com>
Co-authored-by: zhuhh97 <zhuhh97@users.noreply.github.com>

tests/diffusion/test_diffusion_model_runner.py

@@ -80,6 +80,7 @@ def _make_request(skip_cache_refresh: bool = True):
         num_inference_steps=4,
     )
     return SimpleNamespace(
+        request_id="req-test",
         prompts=["a prompt"],
         sampling_params=sampling_params,
         skip_cache_refresh=skip_cache_refresh,
@@ -104,8 +105,9 @@ def _make_runner(cache_backend, cache_backend_name: str, enable_cache_dit_summar
     runner.kv_transfer_manager = SimpleNamespace(
         receive_kv_cache=lambda req, target_device=None: None,
         receive_multi_kv_cache=lambda req, cfg_kv_collect_func=None, target_device=None: None,
-        receive_multi_kv_cache_distributed=lambda req, cfg_kv_collect_func=None, target_device=None: None,
+        receive_multi_kv_cache_distributed=lambda *a, **k: None,
     )
+    runner._kv_prefetch_enabled = False
     return runner