feat: notification cooldown dedup for events and problems (notif-31)

Store last notify time by dedup_key/fingerprint, gate dispatch before channels; config SAC_NOTIFY_*_COOLDOWN_SEC, migration 008. Co-authored-by: Cursor <cursoragent@cursor.com>
2026-05-29 16:24:01 +10:00
parent 1a70980920
commit 4167687dec
12 changed files with 309 additions and 14 deletions
@@ -48,6 +48,11 @@ SMTP_MIN_SEVERITY=high
 NOTIFY_MIN_SEVERITY=warning
 NOTIFY_CHANNELS=telegram,webhook,email

+# Cooldown оповещений SAC (секунды; 0 = выкл. для kind)
+SAC_NOTIFY_COOLDOWN_ENABLED=true
+SAC_NOTIFY_EVENT_COOLDOWN_SEC=90
+SAC_NOTIFY_PROBLEM_COOLDOWN_SEC=300
+
 # Статус хоста по agent.heartbeat
 SAC_HEARTBEAT_STALE_MINUTES=780