feat: DeepSeek V4 Flash DSpark C12 NVFP4 recipe + mod

mods/deepseek-v4-flash-dspark/overlay/vllm/models/deepseek_v4/__init__.py

@@ -0,0 +1,32 @@
+# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
+"""DeepSeek V4 model — hardware-isolated entry point.
+
+The actual implementation lives under ``nvidia/`` and ``amd/``; this module
+picks the right one for the current platform and re-exports the public
+classes used by the model registry and quantization config lookup.
+"""
+
+from typing import TYPE_CHECKING
+
+from vllm.platforms import current_platform
+
+from .quant_config import DeepseekV4FP8Config
+
+# Pick the per-platform implementation. The NVIDIA branch is the static
+# default that mypy sees; the ROCm branch overrides it at runtime and is
+# kept type-compatible via ``# type: ignore[assignment]``.
+if TYPE_CHECKING or not current_platform.is_rocm():
+    from .nvidia.dspark import DeepSeekV4DSpark
+    from .nvidia.model import DeepseekV4ForCausalLM
+    from .nvidia.mtp import DeepSeekV4MTP
+else:
+    from .amd.model import DeepseekV4ForCausalLM  # type: ignore[assignment]
+    from .amd.mtp import DeepSeekV4MTP  # type: ignore[assignment]
+
+__all__ = [
+    "DeepSeekV4DSpark",
+    "DeepSeekV4MTP",
+    "DeepseekV4FP8Config",
+    "DeepseekV4ForCausalLM",
+]