Notification and delivery lifecycle

Path

1. 1

   A domain event creates a notification candidate.

2. 2

   Policy and preference select a channel.

3. 3

   The template is localized without secrets.

4. 4

   The delivery provider returns a result.

5. 5

   Attempt and failure are recorded.

Noise control

Deduplication, rate limits, quiet hours, and digests reduce repetition. Critical security events may have separate mandatory policy.