Fix SmolVLM setup dependencies

Add Moondream Photon and universal VLM acceleration

COMPATIBILITY.md

@@ -173,6 +173,15 @@ python -m pip install llama-cpp-python \
   --extra-index-url https://abetlen.github.io/llama-cpp-python/whl/vulkan
 ```
 
+If an Apple Metal wheel is unavailable or fails archive validation, build the
+same optional requirement from source:
+
+```bash
+CMAKE_ARGS="-DGGML_METAL=on" python -m pip install \
+  --no-cache-dir --no-binary llama-cpp-python \
+  -r ComfyUI/custom_nodes/ComfyUI_VLM_nodes/requirements-llama-cpp.txt
+```
+
 The official Windows HIP Radeon index is:
 
 ```powershell

pyproject.toml

@@ -14,6 +14,7 @@ dependencies = [
   "huggingface-hub>=1.5,<2",
   "httpx>=0.27,<1",
   "jsonschema>=4.22,<5",
+  "num2words>=0.5.14,<1",
   "openai>=2,<3",
   "pydantic>=2.7,<3",
   "qwen-vl-utils>=0.0.14",

requirements.txt

@@ -9,6 +9,7 @@ einops>=0.8,<1
 huggingface-hub>=1.5,<2
 httpx>=0.27,<1
 jsonschema>=4.22,<5
+num2words>=0.5.14,<1
 openai>=2,<3
 pydantic>=2.7,<3
 qwen-vl-utils>=0.0.14

tests/test_nodes.py

@@ -120,6 +120,10 @@ def test_dependency_metadata_matches_installer_requirements():
         if line.strip() and not line.lstrip().startswith("#")
     }
     assert project_requirements == installer_requirements
+    assert any(
+        Requirement(value).name == "num2words"
+        for value in metadata["project"]["dependencies"]
+    )
 
     bitsandbytes = next(
         Requirement(value)