dedup-pruning-uses-2x-lateness

Status: IN

The dedup registry evicts entries older than `2 * allowed_lateness` on watermark advance, meaning dedup coverage extends beyond the late-event acceptance window.

Source: entries/2026/06/05/ad-click-event-aggregation-click_aggregator.md

Depended on by

• dedup-outlives-aggregation-window
• eviction-timing-has-no-codebase-convention

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