drupal-ai

HTMX in Drupal 11.3+ core — the Htmx PHP fluent builder, dynamic forms with swapOob, partial routes with _htmx_route, response headers, and Drupal.behaviors integration. Use when building interactive UI without full-page reloads using Drupal's native HTMX support.

DDEV local development expertise. Use when working with DDEV projects, containers, configuration, or troubleshooting DDEV environments.

Custom Docker Compose local development patterns. Use when working with Docker-based local environments, container configuration, or troubleshooting Docker setups.

Drupal access control — permissions.yml, access callbacks, AccessResult, custom access checkers, and entity access.

Drupal Cache API — cache tags, contexts, max-age, cache bins, invalidation, and adding cache metadata to render arrays.

Drupal Composer management — requiring modules, updates, patches via composer-patches, and version constraints.

Drupal configuration management with Drush — import/export config, preview config changes before applying (e.g., seeing what would change without importing), config splits, and environment syncing.

Drupal contrib module upgrade triage — Drupal.org issue queue research, local patch creation (git diff), composer-patches workflows, Drupal 11 compatibility via core_version_requirement, Drupal Lenient handling, and upgrade_status analysis. Not for generic Composer dependency management.

Drupal debugging techniques — Devel module, Drush watchdog, Twig debug, XDebug, error logging, and common troubleshooting patterns.

Drush commands for Drupal — cache, config, module management, generators, field creation, and non-interactive scaffolding for AI-assisted development.

Drupal Test Traits (DTT) ExistingSite tests — testing against a live Drupal site, creating content, asserting pages, and running tests with DDEV.

Drupal Entity API — loading, creating, updating, and deleting entities using entity_type.manager. Node, User, Term, Media patterns.

Drupal event subscribers — Symfony events (PSR-14), KernelEvents, services.yml tags, and hooks vs events decision guide.

Drupal fields — field types, widgets, formatters, drush field:create, field storage/config, and accessing single-value and multi-value field values in PHP code.

Drupal AJAX form callbacks,

Drupal form alter patterns — hook_form_alter, hook_form_FORM_ID_alter, OOP hooks, hiding fields with access, changing required/default values, and adding validate or submit handlers.

Drupal Form API — building forms with FormBase/ConfigFormBase, form elements, validate/submit handlers, DI, and generating forms with Drush including routes.

Drupal form validation — validateForm(),

Drupal 11 OOP and procedural hooks — hook_form_alter, hook_node_presave, hook_theme,

Drupal JavaScript behaviors, libraries.yml, drupalSettings, attach_library(), and custom client-side AJAX commands using Drupal.AjaxCommands.prototype.

Drupal Kernel tests with KernelTestBase — testing services, database operations, hooks, and entity operations with minimal Drupal bootstrap.

Drupal menus — links.menu.yml, links.task.yml, links.action.yml, contextual links, and programmatic menu manipulation.

Drupal migration API — D7-to-D11 upgrades, CSV imports, JSON API imports, and custom source/process/destination plugins.

Drupal Paragraphs module — accessing paragraph entities, rendering, altering paragraph forms, and patterns for custom paragraph behavior.

Drupal plugin system — Block, Field, Condition, Filter plugins with PHP attributes and ContainerFactoryPluginInterface.

Drupal database queries — Select, Insert, Update, Delete using the database abstraction layer. Never concatenate SQL.

Drupal render arrays — structure, cache metadata (tags, contexts, max-age), render elements, and markup safety.

Drupal routing — routing.yml, admin routes, settings form routes, controllers, route parameters, title callbacks, entity upcasting, permissions, and URL/link generation.

Search API — index configuration, boost processors, field types, number field boosting, engagement metrics, and reindexing workflows.

Drupal security for routes, controllers, forms, and queries. Add route permissions, access checks, CSRF protection, XSS prevention, SQL injection prevention, and secure file upload validation.

Drupal services and dependency injection for controllers, forms, and plugins. Inject services into block plugins, custom plugins, and services using ContainerFactoryPluginInterface and services.yml.

Drupal State API — storing and retrieving runtime state that persists across requests but is not configuration.

Drupal Taxonomy — loading taxonomy terms, vocabularies, term hierarchy, taxonomy term reference fields, and Twig or PHP patterns for taxonomy entities.

Drupal Twig templates — best practices, auto-escaping, translation, library attaching, debugging, and SDC components.

Drupal Unit tests with UnitTestCase — testing isolated PHP logic with no Drupal bootstrap, mocking dependencies.