Sources & Maintenance

Web Sources

Source	Author/Org	URL	Last Verified
Plugin API Overview	Drupal.org	https://www.drupal.org/docs/drupal-apis/plugin-api	2026-02-12
Services and DI	Drupal.org	https://www.drupal.org/docs/drupal-apis/services-and-dependency-injection	2026-02-12
Service Tags	Drupal.org	https://www.drupal.org/docs/drupal-apis/services-and-dependency-injection/service-tags	2026-02-12
Entity Bundle Plugins	Drupal.org	https://www.drupal.org/project/entity	2026-02-12
Event API	Drupal.org	https://www.drupal.org/docs/creating-modules/subscribe-to-and-dispatch-events	2026-02-12
PHPUnit in Drupal	Drupal.org	https://www.drupal.org/docs/automated-testing/phpunit-in-drupal	2026-02-12
Service Container Deep Dive	SparkFabrik	https://tech.sparkfabrik.com/en/blog/drupal-service-container-deep-dive-part-1/	2026-02-12
Tagged Services Use Cases	Drupal.com.ua	https://drupal.com.ua/135/practical-use-cases-tagged-services-drupal	2026-02-12
Drupal at your Fingertips	Selwyn Polit	https://www.drupalatyourfingertips.com/	2026-02-12
Capturing Webhooks	Aten Design	https://atendesigngroup.com/articles/capturing-webhooks-drupal-8	2026-02-12
Webhooks vs APIs	Axelerant	https://www.axelerant.com/blog/decoupled-drupal-webhooks-vs-apis	2026-02-12
REST API Endpoints	DrupalZone	https://drupalzone.com/tutorial/headless-drupal/100-creating-custom-api-endpoints	2026-02-12

Code Sources

Module/Library	Path	Version
Drupal Core Plugin API	~/workspace/contrib/web/core/lib/Drupal/Core/Plugin/	11.x
Commerce Payment	~/workspace/contrib/web/modules/contrib/commerce/modules/payment/	contrib
AI Module	~/workspace/contrib/web/modules/contrib/ai/	1.2.x
Orchestration Module	~/workspace/contrib/web/modules/contrib/orchestration/	contrib

Drupal Research Install: ~/workspace/contrib/web/

Version History

• v3.0 (2026-02-12): Reformatted to atomic-ready with PARTITION markers; added TOC routing table, Security and Performance best practices, Sources & Maintenance Manifest