docs: output generated sources under docs/lib and docs/mcp

docforge/renderers/mkdocs_renderer.py

@@ -82,6 +82,7 @@ class MkDocsRenderer:
         project: Project,
         docs_dir: Path,
         module_is_source: bool | None = None,
+        readme_dir: Path | None = None,
     ) -> None:
         """
         Generate a `README.md` file from the root module docstring.
@@ -99,15 +100,20 @@ class MkDocsRenderer:
             docs_dir (Path):
                 Directory containing generated documentation sources.
 
-            module_is_source (bool, optional):
+            module_is_source (Optional[bool]):
                 Whether the module is treated as the project source root.
+
+            readme_dir (Optional[Path]):
+                Directory where the generated README.md should be written.
+                Defaults to the parent of `docs_dir`.
         """
 
         if not module_is_source:
             # Future: support README generation per module
             return
 
-        readme_path = docs_dir.parent / "README.md"
+        readme_root = readme_dir if readme_dir is not None else docs_dir.parent
+        readme_path = readme_root / "README.md"
 
         root_module = None
         for module in project.get_all_modules():