feat/add-infection-mutation-testing
dev
- Add infection/infection ^0.29 to require-dev - Create infection.json5 with sensible defaults matching phpstan source dirs - Add composer mutate script for running mutation tests - Add infection/extension-installer to allowed plugins - Update .gitignore for infection output files Fixes #34 Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Add larastan/larastan ^3.0 to require-dev and create phpstan.neon config at level 5 covering all source directories. Adds a `composer analyse` script shortcut. Fixes #26 Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>