DL-461
The gate threshold is one server-wide setting, COMPASS_MESSAGE_COST_THRESHOLD, compared to fanout_tokens, parsed at startup and defaulting to 100000 with 0 turning the gate off; every gate outcome is counted
Status: Active (proposed, pending Matt, 2026-10-11)
Record: ../../agent/compass-message-cost-gate/design.md#q3-threshold-and-its-default