Task — engineering-spec@1

"Retention policy engine + reaper (per-kind TTLs, archive not delete)"

draftTASK-MEMORY-239
module memory · class product · priority p1 · created 2026-07-08 · shipped null
depends on TASK-MEMORY-212 · blocks none

TASK-MEMORY-239: Retention policy engine + reaper (per-kind TTLs, archive not delete)

1. Description

versioned+chained policy table; reaper archives below-threshold rows out of serving indexes; L1 untouched inside legal window

Migrated 2026-07-08 from the memory improvement backlog, folded into the task system as class: improvement. Source report refs: R81, R32, F22.

Acceptance criteria