After this module, you will have:
- Configured a local development environment with AI tools and the AGENTS.md ruleset; created a reproducible prompt checklist/playbook with doc/API citations 
- Either created a new extension from the template with at least one user-visible feature, or contributed a meaningful enhancement to an existing extension; shipped it by publishing to PyPI/GitHub or opening a PR with passing tests 
- Confidence to continue exploring extension ideas primarily by prompting, while being able to understand and edit the generated code