Publish ITWorx Pulse source

internal/database/migrations/0009_alert_hysteresis.sql

@@ -0,0 +1,8 @@
+ALTER TABLE alert_rules
+    ADD COLUMN cooldown_seconds integer NOT NULL DEFAULT 0 CHECK (cooldown_seconds BETWEEN 0 AND 2592000);
+
+ALTER TABLE alert_instances
+    ADD COLUMN cooldown_until timestamptz;
+
+CREATE INDEX alert_instances_cooldown_idx ON alert_instances (cooldown_until, current_state, id)
+    WHERE cooldown_until IS NOT NULL;