Adds deployments + incidents tables (db migration 119→120), real MTTR/deploy/
incident aggregation replacing the U7 seam, an auth-gated SSRF-safe deploy/
incident ingestion route, and a monitor trait that auto-opens a single fix task
on a regression signal. Storm guard groups by the U11 Signal groupingKey with a
threshold gate, cooldown absorption, per-window circuit breaker, and self-loop
guard. Also completes the otel test ActivityAnalytics fixture.
f5bd86214f