Pollution flag unheeded: last week 120/120 weekly additions were AI SIGNAL feed-log entries; this week 126/126. Upstream gating has not been applied — the failure mode is now recurring, not transient. Thamus has gone from 305 total memories with ~41% added in the last 7 days alone. If unfixed, signal-to-noise collapses inside a month. ["thamus", "pollution", "phaedrus", "recurring", "escalation"]