fix tests. new product advisories enhancements

docs/notifications/operations/quotas.md

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+# Notification Quotas
+
+This document describes the quota system for notification delivery.
+
+## Overview
+
+Quotas ensure fair usage of the notification system across tenants.
+
+## Quota Types
+
+### Daily Limits
+- Maximum notifications per day per tenant
+- Maximum notifications per channel per day
+
+### Rate Limits
+- Maximum notifications per minute
+- Maximum notifications per second per channel
+
+### Size Limits
+- Maximum payload size
+- Maximum attachment count
+
+## Quota Enforcement
+
+Quota violations result in:
+1. Notification is queued for later delivery
+2. Tenant is notified of quota exceeded
+3. Admin alert is triggered if threshold is reached
+
+## Configuration
+
+Quotas are configured per tenant and can be overridden by administrators.