Fix Cmake Path Issue

Author: Behemyth

cppython/plugins/cmake/builder.py

@@ -29,7 +29,7 @@ def generate_provider_preset(provider_data: CMakeSyncData) -> CMakePresets:
 
         if provider_data.toolchain:
             # Use the toolchainFile field for better integration
-            generated_configure_preset.toolchainFile = provider_data.toolchain
+            generated_configure_preset.toolchainFile = provider_data.toolchain.as_posix()
 
         if cache_variables:
             generated_configure_preset.cacheVariables = cache_variables

cppython/plugins/cmake/schema.py

@@ -59,7 +59,7 @@ class ConfigurePreset(CPPythonModel, extra='allow'):
         Field(description='The path to the output binary directory.'),
     ] = None
     toolchainFile: Annotated[
-        Path | None,
+        str | Path | None,
         Field(description='Path to the toolchain file.'),
     ] = None
     cacheVariables: dict[str, None | bool | str | CacheVariable] | None = None