<?php

declare(strict_types=1);

/**
 * Hourly artwork metric snapshots (heat, rising, windowed leaderboards).
 *
 * Default retention is 30 days so monthly leaderboards and Studio 30d KPIs
 * have a complete window after warm-up. Override with env; never hardcode.
 * Studio 30d KPIs use MAX-MIN of cumulative counters, never SUM.
 */
return [

    'hourly_snapshot_retention_days' => (int) env('ARTWORK_METRIC_HOURLY_RETENTION_DAYS', 30),

    'hourly_snapshot_prune_chunk' => (int) env('ARTWORK_METRIC_HOURLY_PRUNE_CHUNK', 5000),

    'hourly_snapshot_prune_sleep_ms' => (int) env('ARTWORK_METRIC_HOURLY_PRUNE_SLEEP_MS', 50),

];