[Recommendation] #1399868 - Add gally recommendation

[PierreGauthier]

Q	A
Branch?	master for features / current stable version branch for bug fixes
Tickets	#...
License	OSL-3.0

[Copilot]

Pull request overview

This PR introduces Gally-powered product and cart recommendations in the Sylius shop, backed by new channel-level configuration (recommendation type + max sizes) and SDK/indexer integration to sync association types as recommender types.

Changes:

• Add Twig components + templates to render recommendations on product pages (per association type) and in the cart.
• Add channel configuration fields (DB + admin form + translations) to control recommendation behavior.
• Add recommendation plumbing: RecommendationFinder, SDK RecommenderManager service wiring, and indexer provider/subscriber for recommender types.

Reviewed changes

Copilot reviewed 24 out of 24 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
src/Twig/GallyContext.php	Exposes cart recommendation type code + product association types to Twig.
src/Twig/Component/Product/RecommendationComponent.php	New product-page recommendation Twig component.
src/Twig/Component/Cart/RecommendationComponent.php	New cart recommendation Twig component.
src/Resources/views/shop/product/show/content/product_listing/recommendations.html.twig	Replaces default association rendering with Gally-aware recommendations block.
src/Resources/views/shop/product/show/content/product_listing/recommendation.html.twig	Renders a single association-type recommendation section.
src/Resources/views/shop/cart/index/content/recommendations.html.twig	Adds cart recommendations hook content with Gally fallback.
src/Resources/views/shop/cart/index/content/recommendations_content.html.twig	Renders recommended products grid for the cart.
src/Resources/views/admin/channel/form/sections/gally.html.twig	Adds admin UI fields for recommendation configuration.
src/Resources/translations/messages.en.yaml	Adds translations for recommendation section + form labels.
src/Resources/config/services/twig/component/product.xml	Registers the product recommendation Twig component service.
src/Resources/config/services/twig/component/cart.xml	Registers the cart recommendation Twig component service.
src/Resources/config/services/twig.xml	Injects product association type repository into GallyContext.
src/Resources/config/services/sdk.xml	Registers Gally\Sdk\Service\RecommenderManager.
src/Resources/config/services/indexers.xml	Adds recommender type provider + association type subscriber wiring.
src/Resources/config/services.xml	Imports cart twig-component services; wires ChannelTypeExtension + RecommendationFinder.
src/Resources/config/app/twig_hooks_shop.yml	Disables native hooks and mounts the new recommendation templates.
src/Recommendation/RecommendationFinder.php	Implements “hard associations first, then Gally recommendations” resolution.
src/Model/GallyChannelTrait.php	Adds new channel fields + typed properties + getters/setters for recommendations.
src/Model/GallyChannelInterface.php	Extends channel contract with recommendation-related getters/setters.
src/Migrations/Version20260709120000.php	Adds DB columns for recommendation configuration on sylius_channel.
src/Indexer/Subscriber/ProductAssociationTypeSubscriber.php	Syncs recommender types on association type create/update events.
src/Indexer/Provider/RecommenderTypeProvider.php	Builds Gally recommender types from Sylius association types.
src/Form/Extension/ChannelTypeExtension.php	Adds recommendation configuration fields to the channel form.
src/Command/StructureSync.php	Allows structure sync command to include recommenderType.

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