docs: auto-update generated documentation [skip ci]

Author: actions-user

docs/metrics/available-metrics.md

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+# Available Metrics
+
+This document lists metrics available in the Magento 2 Prometheus Exporter.
+
+## Metric Categories
+
+### Order Metrics
+- Order counts by status
+- Revenue metrics
+- Order item counts
+
+### Product Metrics
+- Product counts by type
+- Category metrics
+- Inventory levels
+
+### Customer Metrics
+- Customer registration counts
+- Customer activity
+
+### System Metrics
+- Cron job status
+- Indexer status
+- Cache metrics
+
+### CMS Metrics
+- CMS page counts
+- CMS block counts
+
+## Metric Collection
+
+Metrics are collected via cron jobs and aggregated for performance.
+The `/metrics` endpoint serves data in Prometheus format.
+
+## Aggregator Classes
+
+### ActivePaymentMethodsCountAggregator
+**Source**: `src/Aggregator/Payment/ActivePaymentMethodsCountAggregator.php`
+
+### AttributeSetCountAggregator
+**Source**: `src/Aggregator/Eav/AttributeSetCountAggregator.php`
+
+### AttributeCountAggregator
+**Source**: `src/Aggregator/Eav/AttributeCountAggregator.php`
+
+### ModuleCountAggregator
+**Source**: `src/Aggregator/Module/ModuleCountAggregator.php`
+
+### CmsPagesCountAggregator
+**Source**: `src/Aggregator/Cms/CmsPagesCountAggregator.php`
+
+### CmsBlockCountAggregator
+**Source**: `src/Aggregator/Cms/CmsBlockCountAggregator.php`
+
+### ActiveShippingMethodsCountAggregator
+**Source**: `src/Aggregator/Shipping/ActiveShippingMethodsCountAggregator.php`
+
+### OrderCountAggregator
+**Source**: `src/Aggregator/Order/OrderCountAggregator.php`
+
+### OrderAmountAggregator
+**Source**: `src/Aggregator/Order/OrderAmountAggregator.php`
+
+### OrderItemCountAggregator
+**Source**: `src/Aggregator/Order/OrderItemCountAggregator.php`
+
+### OrderItemAmountAggregator
+**Source**: `src/Aggregator/Order/OrderItemAmountAggregator.php`
+
+### CronJobCountAggregator
+**Source**: `src/Aggregator/CronJob/CronJobCountAggregator.php`
+
+### BrokenCronJobCountAggregator
+**Source**: `src/Aggregator/CronJob/BrokenCronJobCountAggregator.php`
+
+### AdminUserCountAggregator
+**Source**: `src/Aggregator/User/AdminUserCountAggregator.php`
+
+### ProductCountAggregator
+**Source**: `src/Aggregator/Product/ProductCountAggregator.php`
+
+### ProductByTypeCountAggregator
+**Source**: `src/Aggregator/Product/ProductByTypeCountAggregator.php`
+
+### ShipmentCountAggregator
+**Source**: `src/Aggregator/Shipment/ShipmentCountAggregator.php`
+
+### CustomerGroupCountAggregator
+**Source**: `src/Aggregator/Customer/CustomerGroupCountAggregator.php`
+
+### CustomerAddressesCountAggregator
+**Source**: `src/Aggregator/Customer/CustomerAddressesCountAggregator.php`
+
+### CustomerCountAggregator
+**Source**: `src/Aggregator/Customer/CustomerCountAggregator.php`
+
+### CategoryCountAggregator
+**Source**: `src/Aggregator/Category/CategoryCountAggregator.php`
+
+### IndexerChangelogCountAggregator
+**Source**: `src/Aggregator/Index/IndexerChangelogCountAggregator.php`
+
+### IndexerBacklogCountAggregator
+**Source**: `src/Aggregator/Index/IndexerBacklogCountAggregator.php`
+
+### StoreCountAggregator
+**Source**: `src/Aggregator/Store/StoreCountAggregator.php`
+
+### WebsiteCountAggregator
+**Source**: `src/Aggregator/Store/WebsiteCountAggregator.php`
+
+
+*Last updated: Fri Jun 13 14:09:45 UTC 2025*