Document several environment variables that n8n reads but the docs do not list

Bug Description We run n8n self-hosted in queue mode and set the variables below in production. The code reads them, but the environment-variable reference pages do not describe them. I checked against the n8n-io/n8n master branch and the n8n-io/n8n-docs repository at commit d833478 (2026-10-05). Not documented anywhere | Variable | Type | Default | Description (from the JSDoc in the source) | Source | |---|---|---|---|---| | N8N_EXECUTIONS_QUEUE_RECOVERY_INTERVAL | Number | 180 | How often (minutes) to check for queue recovery. Executions that a dead worker left as running get marked as crashed on this interval. | packages/@n8n/config/src/configs/executions.config.ts | | N8N_EXECUTIONS_QUEUE_RECOVERY_BATCH | Number | 100 | Size of the batch of executions to check on each queue-recovery run. | packages/@n8n/config/src/configs/executions.config.ts | | N8N_METRICS_INCLUDE_EXECUTION_DATA_METRICS | Boolean | false | Whether to include metrics for execution data reads and writes (execut…