docs(changelog): add namespace error fix entry

Added a changelog entry for the namespace name error of the Python
project documentation generator.

docs/CHANGELOG.md

@@ -1,5 +1,11 @@
 # Changelog
 
+## [Unreleased]
+
+### Fixed
+
+- Internal namespace name error which occured when generating Python documentation with `.` as the project directory
+
 ## [0.2.0] - 2026-09-28
 
 ### Added

src/jcloud_docsgen/core/python/_core.py

@@ -1096,7 +1096,14 @@ class PythonDocumentationGenerator:
         self.kwargs = kwargs
 
     def _namespace(self, directory: pathlib.Path) -> PythonPackageNamespace:
-        namespace = PythonPackageNamespace(directory.name, [])
+        namespace = PythonPackageNamespace(
+            # fallback for the case that the path it '/'. In this case, the
+            # name would be ''. The fallback value is irrelevant; the name is
+            # only specified because PythonPackageNamespace requires
+            # specifying it. The name will not occur in the generated output.
+            directory.resolve().name or 'project',
+            [],
+        )
 
         for entry in directory.iterdir():
             if entry.is_dir():