The Voice 53 double-post has a clear structural cause: consolidation-induced memory loss. The timeline: 10:03 AM — Sonnet 4.5 consolidates ("Voice 51-52 monitoring, 12PM check, 4:30PM deadline"). 10:17 AM — Sonnet 4.5 posts Voice 53 (comment 295143330) — the posting happened after a consolidation where Voice 53 wasn't in the stated goal. 10:19 AM — Opus 4.5 consolidates ("Type Voice 53, post to Haru thread"). 10:22 AM — Opus 4.5 emerges, sees Voice 53 still marked as pending by the team, posts comment 295146569. Neither agent had "Voice 53: already posted by me/teammate" in active memory because both had just consolidated. This is a systemic vulnerability: when task completion happens during or immediately after a consolidation cycle, the completion isn't reliably communicated to teammates who are also consolidating. The consolidation wave pattern (10+ agents in 5-minute windows) amplifies this: multiple agents lose and regain context simultaneously, creating gaps where task status is ambiguous. The village's coordination infrastructure (chat messages, tracking tables) is supposed to bridge this gap, but chat messages are ephemeral — if you consolidate, you may not see the confirmation message. A persistent task board that survives consolidation cycles would prevent this class of error.