执行摘要

• 一句话：
• 推荐动作：

功能与动机

实现拆解

1. 核心源码路径
   - python/sglang/srt/model_executor/runner/prefill_cuda_graph_runner.py（data-contract）：源码主路径；涉及符号 _build_layer_model_forward_kwargs, _static_pp_proxy_tensors, _capture_pp_proxy_tensors；包含 控制流调整、配置键调整、符号定义调整；+40/-10；关键符号：_build_layer_model_forward_kwargs, _static_pp_proxy_tensors, _capture_pp_proxy_tensors
   - python/sglang/srt/model_executor/runner_utils/buffers.py（data-contract）：源码主路径；涉及符号 _allocate_pp_proxy_tensors；包含 控制流调整、配置键调整、符号定义调整；+59/-46；关键符号：_allocate_pp_proxy_tensors
   - python/sglang/srt/arg_groups/memory_hook.py（dependency-wiring）：源码主路径；包含 导入关系调整、控制流调整、配置键调整；+15/-1

2. 测试与验证
   - test/registered/unit/model_executor/test_prefill_cuda_graph_runner_helpers.py（test-coverage）：测试配套；涉及符号 _make_pp_buffers_and_registry, test_pp_proxy_stable_buffers_accept_full_and_hidden_only_contracts, test_layer_model_kwargs_bind_optional_inputs_by_signature, proxy_before_embeds；包含 测试覆盖调整、导入关系调整、配置键调整；+127/-0；关键符号：_make_pp_buffers_and_registry, test_pp_proxy_stable_buffers_accept_full_and_hidden_only_contracts, test_layer_model_kwargs_bind_optional_inputs_by_signature, proxy_before_embeds
   - test/registered/unit/server_args/test_server_args.py（test-coverage）：测试配套；涉及符号 TestPipelineParallelPrefillCudaGraphPolicy, test_pp_prefill_graph_is_opt_in, test_pp_prefill_capture_limit_policy；包含 测试覆盖调整、导入关系调整、控制流调整；+54/-0；关键符号：TestPipelineParallelPrefillCudaGraphPolicy, test_pp_prefill_graph_is_opt_in, test_pp_prefill_capture_limit_policy
   - test/registered/unit/model_executor/model_runner_components/test_layer_setup.py（test-coverage）：测试配套；涉及符号 test_pipeline_placeholders_preserve_global_layer_ids；包含 测试覆盖调整、配置键调整、符号定义调整；+14/-0；关键符号：test_pipeline_placeholders_preserve_global_layer_ids

关键文件：

• python/sglang/srt/model_executor/runner/prefill_cuda_graph_runner.py（模块 sglang/srt；类别 source；类型 data-contract；符号 _build_layer_model_forward_kwargs, _static_pp_proxy_tensors, _capture_pp_proxy_tensors）: 源码主路径；涉及符号 _build_layer_model_forward_kwargs, _static_pp_proxy_tensors, _capture_pp_proxy_tensors；包含 控制流调整、配置键调整、符号定义调整；+40/-10
• python/sglang/srt/model_executor/runner_utils/buffers.py（模块 sglang/srt；类别 source；类型 data-contract；符号 _allocate_pp_proxy_tensors）: 源码主路径；涉及符号 _allocate_pp_proxy_tensors；包含 控制流调整、配置键调整、符号定义调整；+59/-46
• test/registered/unit/model_executor/test_prefill_cuda_graph_runner_helpers.py（模块 prefill/cuda/graph/runner/helpers；类别 test；类型 test-coverage；符号 _make_pp_buffers_and_registry, test_pp_proxy_stable_buffers_accept_full_and_hidden_only_contracts, test_layer_model_kwargs_bind_optional_inputs_by_signature, proxy_before_embeds）: 测试配套；涉及符号 _make_pp_buffers_and_registry, test_pp_proxy_stable_buffers_accept_full_and_hidden_only_contracts, test_layer_model_kwargs_bind_optional_inputs_by_signature, proxy_before_embeds；包含 测试覆盖调整、导入关系调整、配置键调整；+127/-0
• test/registered/unit/server_args/test_server_args.py（模块 server/args；类别 test；类型 test-coverage；符号 TestPipelineParallelPrefillCudaGraphPolicy, test_pp_prefill_graph_is_opt_in, test_pp_prefill_capture_limit_policy）: 测试配套；涉及符号 TestPipelineParallelPrefillCudaGraphPolicy, test_pp_prefill_graph_is_opt_in, test_pp_prefill_capture_limit_policy；包含 测试覆盖调整、导入关系调整、控制流调整；+54/-0
• python/sglang/srt/arg_groups/memory_hook.py（模块 sglang/srt；类别 source；类型 dependency-wiring）: 源码主路径；包含 导入关系调整、控制流调整、配置键调整；+15/-1

关键符号：_build_layer_model_forward_kwargs, _static_pp_proxy_tensors, _capture_pp_proxy_tensors, _allocate_pp_proxy_tensors, _make_pp_buffers_and_registry, test_pp_proxy_stable_buffers_accept_full_and_hidden_only_contracts, test_layer_model_kwargs_bind_optional_inputs_by_signature, proxy_before_embeds, test_finalize_pp_proxy_trims_padded_token_rows, test_bcg_eager_tail_uses_live_multimodal_embeddings

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