[6.x] TemplateCaches service

[riasvdv]

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[Copilot]

Pull request overview

This PR introduces a new Laravel-scoped TemplateCaches service in src/ with a collector-based architecture for caching template fragments (dependencies, resources, and legacy Yii2 asset bundles), and migrates legacy Yii2-adapter services/tests to use or integrate with it.

Changes:

• Added CraftCms\Cms\View\TemplateCaches plus a CacheCollectorInterface, TemplateCacheContext, and RegisterTemplateCacheCollectors event to support pluggable cache payload collection/apply.
• Implemented core collectors (DependencyCollector, ResourceCollector) and a Yii2-adapter collector (LegacyAssetBundleCollector) wired via Yii2ServiceProvider.
• Updated Twig cache node compilation output and added unit tests + Yii2-adapter tests to validate collector registration and replay behavior.

Reviewed changes

Copilot reviewed 29 out of 29 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
src/View/TemplateCaches.php	New template fragment cache service; stores collector payloads and dependency info.
src/View/CacheCollectors/DependencyCollector.php	New dependency/tag+expiry collection and nesting merge behavior.
src/View/CacheCollectors/ResourceCollector.php	Captures/reapplies HtmlStack buffered resources for cached fragments.
src/View/Contracts/CacheCollectorInterface.php	Collector contract for begin/end/apply.
src/View/Data/TemplateCacheContext.php	Context passed to collectors (cacheKey/global/resources).
src/View/Events/RegisterTemplateCacheCollectors.php	Event to register additional collectors.
src/Twig/Nodes/CacheNode.php	Compiles to resolve cache service from the container.
tests/Unit/View/TemplateCachesTest.php	Unit tests for collector event dispatch, payload application, and scoping.
tests/Unit/View/DependencyCollectorTest.php	Unit tests for dependency collector nesting and expiry selection.
tests/Unit/View/ResourceCollectorTest.php	Unit tests for capturing and replaying buffered resources.
tests/Unit/Http/RequestMixinTest.php	Tests for Request macro behavior after moving to a mixin class.
src/Providers/AppServiceProvider.php	Replaces inline Request macros with RequestMixin.
src/Http/Mixins/RequestMixin.php	Centralizes Request macro implementations.
yii2-adapter/legacy/services/TemplateCaches.php	Deprecates legacy service and delegates to new TemplateCaches.
yii2-adapter/legacy/services/Elements.php	Routes element cache info collection through DependencyCollector.
yii2-adapter/src/View/LegacyAssetBundleCollector.php	Collector to capture/replay legacy Yii2 asset bundle registrations.
yii2-adapter/src/Yii2ServiceProvider.php	Registers legacy collector via RegisterTemplateCacheCollectors event.
yii2-adapter/tests-laravel/View/*.php	Yii2-adapter tests covering collector registration and asset bundle replay.
yii2-adapter/tests-laravel/Pest.php	Includes new View test folder.
tests/.pest/snapshots/...CacheNodeTest/*.snap	Snapshot updates for new compiled cache service resolution.
src/Element/Queries/Concerns/HydratesElements.php	Uses DependencyCollector for expiry date collection while hydrating.
src/Element/Queries/Concerns/CollectsCacheTags.php	Uses DependencyCollector for collecting query cache tags.

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