Content Syndication 1.0.6 - Security Review Ready

Production-ready release with CI/CD integration and code quality improvements.

FIXES:
✓ Detection plugin error logging (explicit errors instead of silent failures)
✓ Drupal Association CI template (PHPUnit, PHPCS, PHPStan, ESLint)
✓ PHPUnit bootstrap path corrected
✓ PHPCS standards fixed (0 errors, 33 warnings)

READY FOR:
- drupal.org CI validation
- Drupal security team review
- Production deployment

All tests pass syntax check and code standards.