Update the architecture diagram and env var table to reflect the
ContributionStore tier and incremental fetch, document the
graph:contributions:refetch command, and note composer phpstan next to
the existing test commands.
Fix "Prever" typo, add Windows WSL test runner command, and align
Markdown table columns for readability.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Covers testing file conventions, Red→Green→Refactor cycle with
example prompts, common anti-patterns, test runner commands, and
the auto-run hook setup.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
haylan
