Cost Federation ADR-097 Phase 3 specifies a event bus that publishes one event per completion: . Cost-tracker is the declared consumer — it aggregates per-peer rolling windows (1h / 24h / 7d) and the federation breaker queries that aggregate to suspend peers exceeding the configured threshold. Phase 3 isn't landed upstream yet. This skill is the consumer-side wiring; it activates the moment upstream publishes events to the namespace. Until then it reports cleanly with a "no events found" notice. When to use - Before opening federation traffic to a new peer — establish baseline. - Periodically…