Merge pull request #20 from nullhack/fix/release-version

fix: update release version to v1.5.20260403r1

Author: nullhack

AGENTS.md

@@ -119,7 +119,7 @@ cookiecutter gh:your-username/python-project-template --checkout v1.2.20260312
 - **v1.2.20260312**: Added meta template management system
 - **v1.3.20260313**: Added session-workflow skill
 - **v1.4.20260313**: Added AI-driven themed naming
-- **v1.5.20260402**: Replaced mkdocs with pdoc for API docs, added pytest-html-plus with BDD docstring display
+- **v1.5.20260403r1**: Replaced mkdocs with pdoc for API docs, added pytest-html-plus with BDD docstring display
 
 ## Generated Project Features